U.S. patent application number 13/704682 was filed with the patent office on 2014-10-16 for body waste treating material, method for manufacturing body waste treating material, and apparatus for manufacturing the same.
The applicant listed for this patent is Yoshikazu Horihata, Shinichi Matsuo, Takashi Murakami, Koichi Narita, Susumu Okamoto, Hyunjin Seo, Toru Shimizu, Akihiro Sugiyama, Takashi Takahashi, Akio Takase, Hiroaki Takayanagi. Invention is credited to Yoshikazu Horihata, Shinichi Matsuo, Takashi Murakami, Koichi Narita, Susumu Okamoto, Hyunjin Seo, Toru Shimizu, Akihiro Sugiyama, Takashi Takahashi, Akio Takase, Hiroaki Takayanagi.
Application Number | 20140305608 13/704682 |
Document ID | / |
Family ID | 50277790 |
Filed Date | 2014-10-16 |
United States Patent
Application |
20140305608 |
Kind Code |
A1 |
Okamoto; Susumu ; et
al. |
October 16, 2014 |
BODY WASTE TREATING MATERIAL, METHOD FOR MANUFACTURING BODY WASTE
TREATING MATERIAL, AND APPARATUS FOR MANUFACTURING THE SAME
Abstract
An object of the present invention is in that a body waste
treating material can be manufactured by using a defective fibrous
material unsuitable for forming paper generated upon treating a
pulpable raw material without materials for complementing a water
absorptive property and a water retention property and a wasting
step in manufacturing at a low cost, and resources may be
efficiently used. [Solution to Problem] This invention is
characterized by molding a defective fibrous material unsuitable
for forming paper that is a fibrous material obtained by
defiberizing and dehydrating a pulpable raw material to a certain
shape. The defective fibrous material is characterized by including
thin and/or short fibers.
Inventors: |
Okamoto; Susumu;
(Shimada-shi, JP) ; Takahashi; Takashi;
(Shimada-shi, JP) ; Horihata; Yoshikazu;
(Shimada-shi, JP) ; Narita; Koichi; (Shimada-shi,
JP) ; Takase; Akio; (Shimada-shi, JP) ;
Matsuo; Shinichi; (Tokyo, JP) ; Shimizu; Toru;
(Tokyo, JP) ; Takayanagi; Hiroaki; (Tokyo, JP)
; Seo; Hyunjin; (Kowloon, HK) ; Sugiyama;
Akihiro; (Kowloon, HK) ; Murakami; Takashi;
(Kowloon, HK) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Okamoto; Susumu
Takahashi; Takashi
Horihata; Yoshikazu
Narita; Koichi
Takase; Akio
Matsuo; Shinichi
Shimizu; Toru
Takayanagi; Hiroaki
Seo; Hyunjin
Sugiyama; Akihiro
Murakami; Takashi |
Shimada-shi
Shimada-shi
Shimada-shi
Shimada-shi
Shimada-shi
Tokyo
Tokyo
Tokyo
Kowloon
Kowloon
Kowloon |
|
JP
JP
JP
JP
JP
JP
JP
JP
HK
HK
HK |
|
|
Family ID: |
50277790 |
Appl. No.: |
13/704682 |
Filed: |
September 12, 2012 |
PCT Filed: |
September 12, 2012 |
PCT NO: |
PCT/JP2012/073326 |
371 Date: |
December 2, 2013 |
Current U.S.
Class: |
162/218 ;
162/231; 162/242 |
Current CPC
Class: |
Y02W 30/648 20150501;
D21J 3/00 20130101; D21C 5/025 20130101; Y02W 30/64 20150501; D21C
5/02 20130101; A01K 1/0155 20130101 |
Class at
Publication: |
162/218 ;
162/231; 162/242 |
International
Class: |
D21J 3/00 20060101
D21J003/00 |
Claims
1. A body waste treating material obtained by molding a defective
fibrous material unsuitable for forming paper, which is a fibrous
material obtained by defiberizing and dehydrating pulpable raw
material to a certain shape.
2. The body waste treating material according to claim 1, wherein
the defective fibrous material includes thin and/or short
fibers.
3. A method for manufacturing a body waste treating material,
comprising the steps of: defiberizing used paper as a pulpable raw
material to generate a dissolved material; deinking the dissolved
material generated in the defiberizing step; dehydrating the
dissolved material deinked in the deinking step to generate a
fibrous material; classifying the fibrous material generated in the
dehydrating step into a non-defective fibrous material suitable for
forming paper and a defective fibrous material unsuitable for
forming paper; and molding the defective fibrous material
unsuitable for forming paper classified in the classifying step to
form the body waste treating material with a certain shape.
4. The method for manufacturing the body waste treating material
according to claim 3, further comprising a coating step for coating
the molded body waste treating material with the non-defective
fibrous material after the molding step.
5. An apparatus for manufacturing a body waste treating material,
comprising: a disintegrator for defiberizing used paper as a
pulpable raw material to generate a dissolved material; a deinking
machine for deinking the dissolved material generated by the
disintegrator; a dehydrator for dehydrating the dissolved material
deinked by the deinking machine to generate a fibrous material; a
classifying machine for classifying the fibrous material generated
by the dehydrator into a non-defective fibrous material suitable
for forming paper and a defective fibrous material unsuitable for
forming paper; and a molding machine for molding the defective
fibrous material unsuitable for forming paper classified by the
classifying machine to form the body waste treating material with a
certain shape.
6. The apparatus for manufacturing the body waste treating material
according to claim 5, characterized by including a coating machine
for coating the molded body waste treating material with the
non-defective fibrous material after the molding machine.
Description
TECHNICAL FIELD
[0001] The present invention relates to a body waste treating
material, a method for manufacturing the body waste treating
material, and an apparatus for manufacturing the body waste
treating material. More particularly, the present invention relates
to a body waste treating material, a method for manufacturing the
body waste treating material, and an apparatus for manufacturing
the body waste treating material, in which the body waste material
treating material is manufactured from a defective fibrous material
unsuitable for forming paper by using a pulpable raw material.
BACKGROUND ART
[0002] As for a body waste treating material used for treating a
body waste of pets such as a cat and a dog bred in a housing or a
body waste in a simple toilet upon disasters, sand is
conventionally used. In recent years, however, a body waste
treating material in which paper powder or wood flour, tea grounds,
coffee grounds after exhaustion, water absorptive polymer, and the
like has been proposed.
[0003] For example, Japanese Patent Application Laid-Open No.
10-178951 discloses a body waste treating material for pets with a
structure in which corrugated paper is minced into plate paper
strips and surfaces of the minced plate paper strips are covered by
starch or absorptive agent such as water absorptive polymer.
CITATION LIST
Patent Literature
[PTL 1] Japanese Patent Application Laid-Open No. 10-178951
SUMMARY OF INVENTION
Technical Problem
[0004] The body waste treating material as disclosed in above
patent literature 1, however, has a problem in that it needs water
absorbing agent as a material for complementing a water absorptive
property and a water retention property of corrugated material
paper so that when a water absorptive polymer is used as the water
absorbing agent, the material cannot be flown to drainage to be
discarded, and thus needs to be incinerated or degraded.
Accordingly, it causes greater loads on an environment and a
problem severe to the environment. Further, the body waste treating
material as disclosed in above patent literature 1 uses the
corrugated material paper shaped as a plate, which paper is minced
to be used, causing a problem in that it needs an unnecessary step
in manufacturing process. Further, since the corrugated material
paper is a perfect material aimed at being used for a packaging
material or the like, there is a problem in that the use thereof as
a raw material for the body waste treating material may lead to
wasting of resources.
[0005] Accordingly, an object of the present invention is to
provide a body waste treating material, a method for manufacturing
the body waste treating material, and an apparatus for
manufacturing the body waste treating material, which can be
manufactured from a defective fibrous material unsuitable for
forming paper using a pulpable raw material without water absorbing
agent as a material for complementing water absorptive property and
a water retention property and a useless step in manufacturing
easily at a low cost, and efficiently use resources, and be well
dissolved and flown into drainage to be easily discarded, and be
environment-friendly with a high water absorptive property, and
reduce weight.
Solution to Problem
[0006] According to an aspect of the present invention, a fibrous
material is obtained by defiberizing and dehydrating a pulpable raw
material in which a defective fibrous material unsuitable for
forming paper is molded to be a certain shape.
Advantageous Effects of Invention
[0007] Since a body waste treating material according to the
present invention is manufactured using a pulpable raw material
from a defective fibrous material in the raw material unsuitable
for forming paper, water absorbing agent as a material for
complementing water absorptive property and a water retention
property is not separately necessary and a useless step for mincing
corrugated board raw material in the raw material as in the
conventional method is not performed, so that the body waste
treating material can be manufactured simply and easily at a low
cost. Further, since the defective fibrous material generated in
processing the pulpable raw material is used, resources can be
efficiently used. Moreover, the body waste treating material can be
well dissolved, flown into drainage to be easily discarded, be
environment-friendly with a high water absorptive property, and be
lightened.
BRIEF DESCRIPTION OF DRAWINGS
[0008] FIG. 1 is a flowchart showing a method for manufacturing a
body waste treating material (embodiment).
[0009] FIG. 2 is a configuration diagram showing an apparatus for
manufacturing a body waste treating material (embodiment).
[0010] FIG. 3 is a lateral view showing a body waste treating
material shaped as a short column (embodiment).
[0011] FIG. 4 is a lateral view showing a curved body waste
treating material shaped as a short column (embodiment).
[0012] FIG. 5 is a lateral view showing a spherically shaped body
waste treating material (embodiment).
[0013] FIG. 6 is a lateral view showing a body waste treating
material with a spherical surface in which a recess is formed
(embodiment).
[0014] FIG. 7 is a lateral view showing a body waste treating
material with a spherical surface on which a protrusion is formed
(embodiment).
[0015] FIG. 8 is a lateral view showing a body waste treating
material shaped as a spindle (embodiment).
[0016] FIG. 9 is a lateral view showing a spherically shaped body
waste treating material in which a hollow is formed
(embodiment).
[0017] FIG. 10(A) is a plan view showing a body waste treating
material having three legs. FIG. 10(B) is a lateral view showing a
body waste treating material having three legs (embodiment).
[0018] FIG. 11 is a lateral view showing a dual-structured body
waste treating material (embodiment).
[0019] FIG. 12 is a lateral view showing a body waste treating
material having four legs (embodiment).
[0020] FIG. 13(A) is lateral view showing a preformed fibrous
material. FIG. 13(B) is a lateral view showing a body waste
treating material expanded to be spherically formed with a certain
size (embodiment).
[0021] FIG. 14 is a flowchart showing a molding step of the body
waste treating material in FIG. 13 (embodiment).
[0022] FIG. 15(A) is cross sectional view showing a preformed
fibrous material. FIG. 15(B) is a cross sectional view showing a
body waste treating material with a surface on which surface fiber
is attached (embodiment).
[0023] FIG. 16 is a flowchart showing a molding step of the body
waste treating material in FIG. 15 (embodiment).
[0024] FIG. 17 is a cross sectional view showing a body waste
treating material with a hardened surface in FIG. 15(B).
DESCRIPTION OF EMBODIMENTS
[0025] In the present invention, a body waste treating material can
be manufactured from a defective fibrous material unsuitable for
forming paper, and an object of providing the body waste treating
material without water absorbing agent as a material for
complementing water absorptive property and a water retention
property separately and a useless step in manufacturing simply and
easily at a low cost, and efficiently using resources, and being
well dissolved and flown into drainage to be easily discarded, and
being environment-friendly with a high water absorptive property,
and reducing weight is achieved by using the pulpable raw material
such as used paper.
Embodiment
[0026] FIGS. 1-17 show embodiments of the present invention. As
shown in FIG. 2, an apparatus 1 for manufacturing a body waste
treating material F includes a disintegrator 2, a deinking machine
3, a dehydrator 4, a bleaching machine 5, a classifying machine 6,
and a molding machine 7, in which the body waste treating material
F is manufactured using a pulpable raw material. In the present
embodiment, used paper A is used as the pulpable raw material.
[0027] As for the pulpable raw material, pulp itself can be used
without using the used paper.
[0028] The disintegrator 2 includes agitating blades, adds, for
example, water to used paper A as the pulpable raw material, and
disintegrates the used paper A to generate a dissolved material
B.
[0029] The deinking machine 3 deinks the dissolved material B
generated by the disintegrator 2. The dehydrator 4 dehydrates the
dissolved material B deinked by the deinking machine 3 to generate
a fibrous material C. The bleaching machine 5 bleaches the fibrous
material C generated by the dehydrator 4. The classifying machine 6
classifies the fibrous material C (also referred to as "pulp")
bleached by the bleaching machine 5 into a non-defective fibrous
material D (also referred to as "wet" or "pulpa") suitable for
forming paper and a defective fibrous material E (also referred to
as "sludge") unsuitable for forming paper.
[0030] The molding machine 7 molds the defective fibrous material E
unsuitable for forming paper generated by the classifying machine 6
to form the body waste treating material F with a certain
shape.
[0031] In the defiberizing step of the used paper A, the fibrous
material C containing therein fibers having a variety of
thicknesses and lengths is generated. In forming paper, since the
fibers are entwined and thinly molded, fibers with a thick and/or a
long property are suitable. As for short fibers with a thin and/or
a short property, however, since they are hard to be entwined and
unsuitable for forming paper, they are usually discarded.
Accordingly, the fibrous material C includes the non-defective
fibrous material D formed by the fibers with a thick and/or a long
property suitable for forming paper and a defective fibrous
material E formed by the fibers with a thin and/or a short property
unsuitable for forming paper.
[0032] Accordingly, the classifying machine 6 classifies the
fibrous material C containing therein fibers with different
properties into the non-defective fibrous material ID suitable for
forming paper and the non-defective fibrous material E unsuitable
for forming paper using a filter.
[0033] In the classifying step according to the present embodiment,
for example, a filter with a slit having a width (size) of 0.15 mm
is used to classify the fibrous material C into the non-defective
fibrous material D with a fiber diameter greater than 0.15 mm,
which remains on the filter and the defective fibrous material E
with a fiber diameter smaller than 0.15 mm, which passes through
the filter.
[0034] This numeral value tends to be adopted relatively
frequently.
[0035] Accordingly, the numeral value of the fiber diameter in the
present embodiment is merely an example and does not limit a scope
of the numeral values.
[0036] Next, a method for manufacturing the body waste treating
material F is described.
[0037] As shown in FIG. 1, upon manufacturing the body waste
treating material F, first, the used paper A as a pulpable raw
material is prepared, and the body waste treating material F is
manufactured according to the steps of defiberizing, deinking,
dehydrating, bleaching, classifying, and molding.
[0038] As for the pulpable raw material, pulp itself can be also
prepared.
[0039] Upon manufacturing the body waste treating material F,
first, in the preparing step (step S1), the used paper A as a
material is prepared and a foreign material is removed from the
used paper A.
[0040] In the defiberizing step (step S2), water and necessary
agents (such as sodium hydroxide, hydrogen peroxide, sodium
silicate) are added to the used paper A to be fed into the
disintegrator 2 and agitated according to rotation force of the
agitating blades rotating at a high speed to mix the water with the
used paper A and disintegrate the used paper A so as to generate
dissolved material B (step S3).
[0041] In the present embodiment, in principle, refining beating
used for forming paper is not performed. Accordingly, the fibers
are not compressed in vain so that the fibers are maintained as
flexible. Namely, the fibers themselves are not compressed, and the
fibers tangled with each other are not compressed as well.
Accordingly, upon forming the body waste treating material F,
porosity in an inside thereof can be increased and a water
absorptive property can be improved.
[0042] In this step S3, the refining beating may be performed on
the disintegrated fibers according to the needs.
[0043] In the deinking step (step S4), the dissolved material B
generated in the defiberizing step (step S2) is deinked using air
bubbles in the deinking machine 3. In this case, deinking agent
(chemical agent) is added into the deinking machine 3 to swell the
dissolved material B so as to allow an ink to be dissolved from and
be come off the fibers.
[0044] In the dehydrating step (step S5), the dissolved material B
deinked in the deinking step (step S4) is dehydrated by the
dehydrator 4 to generate the fibrous material C (step S6). In this
dehydrating step (step S5), most of moisture in the fibrous
material C is removed, but a certain amount of moisture is
contained in the fibrous material C.
[0045] In the bleaching step (step S7), bleach (such as sodium
hypochlorite, chlorine dioxide, and hydrogen peroxide) is added to
the fibrous material C generated in the dehydrating step (step S5)
to be fed into the bleaching machine 5 to be bleached. According to
the bleach, the fibrous material C is decolorized to be
substantially white as a whole.
[0046] In the classifying step (step S8), the fibrous material C
bleached in the bleaching step (step S7) is classified into the
non-defective fibrous material D suitable for forming paper and
defective fibrous material E unsuitable for forming paper by the
classifying machine 6 (step S9).
[0047] Upon this, in the classifying step, a filter with a slit
having a width (size) of 0.15 mm, for example is used to classify
the fibrous material C into the non-defective fibrous material D
with a fiber diameter greater than 0.15 mm, which remains on the
filter and the defective fibrous material E with a fiber diameter
smaller than 0.15 mm, which passes through the filter.
[0048] This numeral value tends to be adopted relatively
frequently.
[0049] Accordingly, the numeral value of the fiber diameter in the
present embodiment is merely an example and does not limit a scope
of the numeral values.
[0050] The defective fibrous material E classified by the
classifying machine 6 is colored paler than the white non-defective
fibrous material D and the defective fibrous material E includes an
amount less than a large amount of the non-defective fibrous
material D.
[0051] In the molding step (step S10), the defective fibrous
material E classified in the classifying step (step S8) is molded
by the molding machine 7 to form a dry body waste treating material
F with a certain shape (step S11).
[0052] In this molding step (step S10), the defective fibrous
material E is, for example, packed into the mold to form the body
waste treating material F with a certain shape, or the defective
fibrous material E is extruded through a mold cavity by an
extruding mechanism to form the body waste treating material F with
a certain shape.
According to the present embodiment, this body waste treating
material F is formed to have a diameter of about 5 mm and a length
of about 5-10 mm. The size of the body waste treating material F
is, however, not limited to the above size.
[0053] By forming this molded body waste treating material F to
have a diameter of about 5 mm and a length of about 5-10 mm, for
example, the body waste treating material F may have a high
internal porosity, a high water absorptive property, and a high
resolvability upon absorbing water from a body waste. Thus, the
body waste treating material F is easily dissolved by the body
waste so as to be easily aggregated by being adhered to each
other.
[0054] Further, since this body waste treating material includes a
high internal porosity, weight per unit is small, namely it
includes a light property. Accordingly, it can be easily
conveyed.
[0055] Moreover, this body waste treating material F is used by
being put into a container configuring a toilet for a pet or a
simple toilet upon disasters, for example. In this case, since the
body waste treating material F is of light weight, it is easy to
convey the toilet.
[0056] Also, in the body waste treating material F used and
aggregated by absorbing water, since the fibers are easily
disintegrated with a high resolvability, the body waste treating
material F does not clog piping and flows smoothly. Accordingly,
the body waste treating material can be flown into drainage to be
discarded without an incinerating process or a dissolving process,
for example. Therefore, loads on an environment can be reduced, and
thus the body waste treating material is environment-friendly.
[0057] In the present embodiment, in the process of manufacturing
the body waste treating material F, the steps of defiberizing,
deinking, dehydrating, bleaching, and molding are performed in this
order, but these steps can be interchanged to be reordered.
[0058] Further, in the process of manufacturing the body waste
treating material F, it is possible to perform the step of
agitating the fibers or pulverizing the fibers.
[0059] As shown in FIGS. 3-17, in the molding step, the body waste
treating material F with a shape including a variety of types of
properties can be formed.
[0060] As shown in FIG. 3, for example, in the molding step, a body
waste treating material F1 with a short bar columnar shape can be
formed.
[0061] Since the shape of the body waste treating material F1 with
this short bar columnar shape is simple, manufacture thereof is
easy and it can be manufactured easily at a low cost.
[0062] As shown in FIG. 4, in the molding step, a body waste
treating material F2 with a short curved columnar shape can be
molded. This short curved columnar body waste treating material F2
is entwined with each other in the container of the toilet so that
it does not fly out of the container during a use by a pet, and the
body waste does not reach a bottom of the container through the
body waste treating material F2. Accordingly, absorption of the
body waste is excellent.
[0063] As shown in FIG. 5, in the molding step, a body waste
treating material F3 with a spherical shape can be formed. Even if
the pet steps on this spherical body waste treating material F3 in
the container of the toilet for a pet, the pet is not reluctant to
relieve nature so that it is easy to have the pet learn the way to
use the toilet.
[0064] As shown in FIG. 6, in the molding step, a body waste
treating material F4 with a spherical surface on which recesses R
are formed can be formed. In this body waste treating material F4
with the surface on which the recesses R are formed, the recesses R
are easy to receive the body waste, and the body waste treating
material F4 includes a high absorbing property according to an
enlarged surface area.
[0065] As shown in FIG. 7, in the molding step, a body waste
treating material F5 with a spherical surface on which protrusions
P are formed is formed. A surface area of this body waste treating
material F5 with the surface on which the protrusions P are formed
is enlarged by the protrusions P so that the body waste can easily
set and the body waste treating material F5 can be piled up to
reduce an amount of use thereof.
[0066] As shown in FIG. 8, in the molding step, a body waste
treating material F6 with a spindle shape can be formed. The body
waste treating material F6 with the spindle shape may be closely
arranged with the body waste treating material F6 adjacent to each
other and put into the container of the toilet. Further, the body
waste does not reach the bottom of the container through the body
waste treating material F6. The body waste treating material F6 can
absorb the body waste well.
[0067] As shown in FIG. 9, in the molding step, a spherical body
waste treating material F7 with a hollow C in an inside thereof is
formed. Since this body waste treating material F7 with the hollow
C in the inside thereof is of light weight according to the hollow
C, it is easily conveyed and can absorb the body waste well.
[0068] As shown in FIG. 10, in the molding step, a triangular star
shaped body waste treating material F8 on which three legs t1-t3
protruding in three directions in a plan view are formed can be
formed. A surface area of the triangular star shaped body waste
treating material F8 with the three legs t1-t3 can be enlarged by
the legs t1-t3 to improve an absorbing property, and the legs t1-t3
entwine with each other upon being fed into the container to
include space therebetween. Accordingly, the body waste treating
material F8 can be of light weight with respect to a volume
thereof, and easily conveyed.
[0069] As shown in FIG. 11, in the molding step, a dual-structured
body waste treating material F9 with a central side having the
defective fibrous material E and an outer peripheral side having
the non-defective fibrous material D can be formed. In the body
waste treating material F9 with the dual structure of the defective
fibrous material E and the non-defective fibrous material D, the
water absorptive property and the water retention property can be
further improved by the non-defective fibrous material D on the
outer peripheral side.
[0070] As shown in FIG. 12, in the molding step, a wave dissipating
block shaped body waste treating material F10 on which legs t1-t4
protruding in four directions are formed can be formed. A surface
area of the body waste treating material F10 with the four legs
t1-t4 can be enlarged by the legs t1-t4 to improve an absorbing
property, and the legs t1-t4 entwine with each other upon being fed
into the container to include space therebetween. Accordingly, the
body waste treating material F10 can be of light weight with
respect to a volume thereof, and easily conveyed.
[0071] As shown in FIGS. 13 and 14, in the molding step, a body
waste treating material F11 with a high internal porosity can be
formed.
[0072] As for this body waste treating material F11, in the molding
step, for example, the defective fibrous material E is preformed by
a mold (step S21), and this preformed defective fibrous material E
is expanded (decompression controlled) in a decompression container
(step S22).
[0073] This decompression control includes a vacuum state and is
performed between the vacuum state and an atmospheric pressure.
Further, the decompression control may be performed rapidly or
moderately.
[0074] In the decompression control of the defective fibrous
material E, a pressure in the decompression container is controlled
so that the defective fibrous material E (as shown in FIG. 13(A))
preformed to have a small diameter first is expanded to be the body
waste treating material F11 (as shown in FIG. 13(B)) as a spherical
fibrous material with a certain diameter.
[0075] As the preformed defective fibrous material E is expanded to
be the body waste treating material F11 (as shown in FIG. 13(B)) as
a spherical fibrous material with a certain diameter as described
above, many pieces of air are present in the inside of the body
waste treating material F11 to have a high internal porosity.
[0076] In this case, it is possible to heat the defective fibrous
material E by heating means or humidify the defective fibrous
material E by humidifying means to complement water according to
the needs so that the defective fibrous material E with fibers
having small diameters is easily expanded in a state where the
fibers are tangled with each other.
[0077] Then, the non-defective fibrous material D is taken out of
the decompression container to form the body waste treating
material F11 dried without moisture, which is of light weight, and
has a high water absorptive property (step S23).
[0078] As shown in FIGS. 15 and 16, in the molding step, a body
waste treating material F12 with a flexible outer surface and a
high water absorptive property can be formed.
[0079] As for this body waste treating material F12, in the molding
step, the defective fibrous material E is preformed by a mold (step
S31), an adhesive is applied to a surface of this preformed
defective fibrous material E (step S32), and then, a surface fiber
k is attached to the surface of the defective fibrous material E to
form a flexible layer N (step S33).
[0080] The surface fiber k forming the flexible layer N is the
non-defective fibrous material D and/or defective fibrous material
E, for example as fibers in a detangled state.
[0081] Regarding an operation for attaching the surface fiber k
onto the defective fibrous material E, for example, detangled
surface fiber k is laid on a plate, and the preformed defective
fibrous material E is rolled over the plate to attach the detangled
surface fiber k onto the surface thereof.
[0082] Thereby, on the surface of the defective fibrous material E,
the flexible layer N with a high water absorptive property is
formed so that the body waste treating material F12 with a flexible
outer surface and a high water absorptive property can be formed
(step S34).
[0083] Further, the number of times of attaching the surface
fibrous material k onto this defective fibrous material E may not
be limited to once but several to form a multilayered structure so
that a thickness of the flexible layer N of the defective fibrous
material E can be enlarged.
[0084] Further, the attachment of the surface fiber k may be
applied to the above described respective body waste treating
materials F-F11.
[0085] As shown in FIG. 17, in the molding step, a body waste
treating material F13 having a high water absorptive property,
while maintaining a profile thereof can be formed. As shown in
FIGS. 15 and 16, in this body waste treating material F13, the
flexible layer N formed by the surface fiber k itself is maintained
in a flexible state, while merely a surface of the flexible layer N
is hardened by a hardener, for example to form a hardened surface
H. The body waste treating material F13 with the flexible layer N
having a surface on which the hardened surface H is formed
maintains its profile by the hardened surface H on the surface,
while a water absorptive property can be improved by the flexible
layer N with flexible contents and the body waste treating material
F13 may be of light weight with respect to a volume thereof so that
it can be easily conveyed.
[0086] As a result, the body waste treating material F according to
the present embodiment is manufactured by molding the defective
fibrous material E unsuitable for forming paper that is a fibrous
material C obtained by defiberizing, dehydrating, and bleaching
used paper A as a pulpable raw material to a certain shape.
[0087] Since the body waste treating material F according to the
present embodiment is manufactured by using the defective fibrous
material E generated upon treating the used paper A, it can be
manufactured easily at a low cost without separate materials for
complementing a water absorptive property and a water retention
property and a wasting step for mincing corrugated paper as a raw
material as in a conventional step. Further, since the body waste
treating material F is manufactured by using the defective fibrous
material E generated upon treating the used paper A, resources can
be efficiently used.
[0088] Moreover, in the body waste treating material F, the
porosity in an inside of each of the fibers can be improved and the
body waste treating material F includes a high water absorptive
property and can be of light weight, and the defective fibrous
material E with thin and short fibers are easily disintegrated into
water and has a high resolvability so that it can be flown into
drainage to be easily discarded. Accordingly, the body waste
treating material F is environment-friendly.
[0089] Also, this body waste treating material may be manufactured
by a manufacturing apparatus 1 with a simple structure.
[0090] The present invention is not limited to the above described
embodiment but can be modified for a variety of applications.
[0091] For example, in the above described embodiment, the used
paper A is illustrated as a pulpable raw material, but materials
such as wood as virgin pulp (e.g., a needle-leaved tree and a
broad-leaved tree) or non-wood pulp (such as linter and kenaf), and
synthetic fiber (e.g., chemosynthetic fiber) may be used solely, or
a plurality of the materials may be combined to be used. These
materials may be pulped by a mechanical system using a mechanical
device, or a chemical system using agents.
[0092] In the above described embodiment, the fibrous material C is
classified into the non-defective fibrous material D and the
defective fibrous material E by a filter of the classifying machine
6, but the defective fibrous material E can be classified according
to a pressurized flotation method using pressurized air, a
precipitation method using aggregating agent, and a ore floatation
method using air bubbles, for example. In the present embodiment, a
filter with a slit having a width (size) of 0.15 mm, for example is
used to classify the fibrous material C into the non-defective
fibrous material D with a fiber diameter greater than 0.15 mm,
which remains on the filter and the defective fibrous material E
with a fiber diameter smaller than 0.15 mm, which passes through
the filter.
[0093] This numeral value tends to be adopted relatively
frequently.
[0094] Accordingly, the numeral value of the fiber diameter in the
present embodiment is merely an example and does not limit a scope
of the numeral values.
[0095] In the above described embodiment, the body waste treating
material F is manufactured by the defective fibrous material E
generated by processing the used paper A, but the body waste
treating material F may be manufactured by using a fibrous material
(sludge) obtained by aggregating and settling paper industry
drainage water with agent (aggregating agent) from which heavy
metals are removed.
[0096] Also, in manufacturing the body waste treating material F,
as shown by a dashed line in FIGS. 1 and 2, prior to the molding
step (step S10), a mixing step (step S9-1) of complementarily
mixing the non-defective fibrous material D suitable for forming
paper with the defective fibrous material E unsuitable for forming
paper by a mixing machine 8 may be performed.
[0097] By complementarily mixing the non-defective fibrous material
D with the defective fibrous material E, color of the manufactured
body waste treating material F may be whitened and the smell is
reduced so as to improve quality thereof.
[0098] Further, since the defective fibrous material E with the
thin and short fibers is easily disintegrated into water and has a
high resolvability, an amount of the non-defective fibrous material
D to be mixed with the defective fibrous material E can be
limited.
[0099] Moreover, as the non-defective fibrous material D to be
complementarily mixed with the defective fibrous material E, wood
(e.g., a needle-leaved tree and a broad-leaved tree), non-wood
(such as linter and kenaf), and synthetic fiber system (e.g.,
chemosynthetic fiber) descried above may be pulped and one, two, or
more types of them may be mixed to be used.
[0100] Furthermore, to control emission of smell after use, an air
refresher may be added to the defective fibrous material E, and to
allow the defective fibrous material E to be easily hardened upon
absorbing water, an adhesive may be added thereto. To notify a user
of absorbing water, dye may be added as well.
[0101] Also, in manufacturing the body waste treating material F,
as shown by an alternate long and short dash line in FIGS. 1 and 2,
after the molding step (step S10), a coating step (step S12) of
coating the molded body waste treating material F with the
non-defective fibrous material D by a coating machine 9 may be
performed.
[0102] Accordingly, as shown in FIG. 1, upon manufacturing the body
waste treating material F, in the coating step (step S12), a coated
body waste treating material Fc may be obtained (step S13) by
coating a surface of the body waste treating material F molded from
the defective fibrous material E with the white non-defective
fibrous material D without smell.
[0103] In the body waste treating material Fc with a surface coated
with the non-defective fibrous material D, the defective fibrous
material E is not exposed to the surface, and the surface can be
whitened to improve an appearance and leakage of smell of the
defective fibrous material E can be controlled.
[0104] Also, to the non-defective fibrous material D used in the
coating step, the air refresher may be added to control the
emission of the smell after use, and the adhesive may be added to
allow the body waste treating material to be easily hardened by
absorbing water, or the dye may be added to notify the user of
absorbing water.
[0105] Further, in the method for manufacturing the body waste
treating material F, to increase a degree of whiteness, calcium
carbonate may be mixed with the fibrous material.
[0106] Moreover, a micro bubble generator for generating micro
bubbles (fine air bubbles) may be added to the manufacturing
apparatus 1 and a step of allowing the fibrous material C to
contain the micro bubbles generated by the micro bubble generator
may be added to the manufacturing method so as to increase internal
porosity of the body waste treating material F.
[0107] Accordingly, the manufactured body waste treating material F
may be of light weight and easily conveyed with an improved water
absorptive property to be easily coagulated to be a mass and be
easily disintegrated by water to have a high resolvability to be
flown into drainage to be easily discarded and be
environment-friendly. Further, an amount of use of the defective
fibrous material E may be saved so that the body waste treating
material F can be manufactured at a low cost.
INDUSTRIAL APPLICABILITY
[0108] The body waste treating material manufactured according to
the present invention may not be limited to a use of a toilet for a
pet but used for a portable toilet or simple toilet used by a
person.
REFERENCE SIGNS LIST
[0109] 1: Manufacturing Apparatus [0110] 2: Disintegrator [0111] 3:
Deinking Machine [0112] 4: Dehydrator [0113] 5: Bleaching Machine
[0114] 6: Classifying Machine [0115] 7: Molding Machine [0116] A:
Used Paper [0117] B: Dissolved Material [0118] C: Fibrous Material
(Pulp) [0119] D: Non-Defective Fibrous Material (Wet or Pulp)
[0120] E: Defective Fibrous Material (Sludge) [0121] F: Body Waste
Treating Material
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