U.S. patent number 3,563,371 [Application Number 04/832,755] was granted by the patent office on 1971-02-16 for wet towel package.
This patent grant is currently assigned to W. S. Kirkpatrick & Co., Inc.. Invention is credited to Edward L. Heinz.
United States Patent |
3,563,371 |
Heinz |
February 16, 1971 |
WET TOWEL PACKAGE
Abstract
A finely perforated sheet of nonwoven fabric composed of nylon
and cotton having a width and length of the order of 8 and 11
inches, respectively, is folded six times into superposed plies
that are impregnated with a scented liquid, for example, water and
lime fragrance, and enclosed between heat-sealed sheets each of
which comprises an innermost layer of vinyl compound, on one side
of a layer of aluminum on the other side of which is a coating of
polyethylene which has an outer layer of cellophane, the resulting
packet being capable of withstanding high temperatures to
420.degree. F. for 20 minutes and low temperatures to 38.degree. F.
for 10 minutes.
Inventors: |
Heinz; Edward L. (Montclair,
NJ) |
Assignee: |
W. S. Kirkpatrick & Co.,
Inc. (Upper Montclair, NJ)
|
Family
ID: |
25262541 |
Appl.
No.: |
04/832,755 |
Filed: |
June 12, 1969 |
Current U.S.
Class: |
206/361; 206/812;
206/484.2 |
Current CPC
Class: |
B65D
75/30 (20130101); A45D 37/00 (20130101); B65D
75/26 (20130101); A45D 2200/1036 (20130101); A45D
2200/1027 (20130101); Y10S 206/812 (20130101) |
Current International
Class: |
A45D
37/00 (20060101); B65D 75/26 (20060101); B65D
75/28 (20060101); B65D 75/30 (20060101); B65d
085/00 () |
Field of
Search: |
;206/46M,47 ;161/(Vinyl
Cellophane/ Metal/ Foil)/ |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Leclair; Joseph R.
Assistant Examiner: Caskie; John M.
Claims
I claim:
1. A wet towel package comprising a sheet of finely perforated
nonwoven fabric composed of 90 percent nylon and 10 percent cotton
which has its longitudinal edge portions folded in toward each
other and meeting on the longitudinal median of the sheet along
which the sheet is again folded, said sheet thus folded having a
fold along the transverse median thereof so that the end edges are
coincident with each other, said folded sheet having another
transverse fold between said end edges and the last-mentioned fold,
thereby providing a pile of coextensive plies, said pile being
enclosed in a tearable liquid-tight and gastight envelope including
two sheets of packaging material at opposite sides of said pile
having marginal portions heat-sealed together in bounding relation
to said pile, each sheet including an inner layer of a
heat-sealable vinyl compound on one side of a layer of aluminum
foil on the other side of which is a coating of polyethylene on the
outer side of which is a layer of cellophane, said pile of plies
being impregnated with a cleansing liquid, said package being
capable of withstanding for several minutes any temperature from
about 38.degree. to 420.degree. F. so as to serve either as a hot
towel or as a cold towel depending upon the temperature to which it
is heated.
2. A wet towel package as defined in claim 1 wherein said sheet
when unfolded is of a length and width of the order of 11 and 8
inches, respectively, and the coextensive plies of said pile have a
width and length of the order of 2 inches and 3 inches,
respectively.
3. A wet towel package as defined in claim 1 wherein said sheet
when unfolded is of a length and width of the order of 11 and 8
inches, respectively, and the coextensive plies of said pile have a
width and length of the order of 2 inches and 3 inches,
respectively, and wherein said cleansing liquid comprises a mixture
of water and lime scenting substance.
4. A wet towel package comprising a sheet of finely perforated
nonwoven fabric composed of 90 percent nylon and 10 percent cotton
which has been folded into a pile of superposed coextensive plies
and impregnated with a cleansing liquid, said pile being sealed in
a tearable liquid-tight and gastight envelope whose walls comprise
an inner layer of a heat-sealable vinyl compound on one side of a
layer of aluminum foil on the other side of which is a coating of
polyethylene on the outer side of which is a layer of cellophane,
said pile of plies being impregnated with a cleansing liquid, said
package being capable of withstanding for several minutes any
temperature from about 38.degree. to 420.degree. F. so as to serve
either as a hot towel or as a cold towel depending upon the
temperature to which it is heated.
Description
BACKGROUND OF THE INVENTION
The invention relates to a single use porous liquid impregnated
sheet folded and enclosed in a sealed liquid-tight and gastight
envelope having flexible walls which can be torn for removal of the
folded sheet, of the type disclosed in U.S. Pat. Nos. 3,057,467 and
3,286,435.
The prior art packages do not provide for unfolded sheets of
adequate size to serve effectively as a towel or for use of the
moist sheets at other than room temperatures.
SUMMARY
One object of the invention is to provide a single use porous sheet
of a size adequate to serve as a towel, for example, about 8 by 11
inches folded in a novel manner compactly into a pile of multiple
superposed plies of a width and length, respectively, of about 2
and 3 inches, said pile being impregnated with a liquid, preferably
water and a scenting substance, and sealed between sheets of
packaging material that are liquid-tight and gastight when
subjected to temperatures of from about 38.degree. F. to about
420.degree. F. so that the sheet can be used effectively as a hot
towel or a cold towel.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a plan view of a package embodying the invention;
FIG. 2 is a greatly enlarged fragmentary sectional view on the
plane of the line 2-2 of FIG. 1;
FIG. 3 is a similar view on the plane of the line 3-3 of FIG. 1;
and
FIG. 4 is a plan view on a reduced scale of the porous sheet before
the folding thereof, the dot and dash lines indicating the lines of
folding of the sheet into a pile comprising multiple plies.
DESCRIPTION OF THE PREFERRED EMBODIMENT
Specifically describing the invention, FIG. 1 shows the normal size
of the package which comprises a moistened porous sheet folded into
a pile A of superposed plies enclosed in an envelope B which
comprises two opposed layers 1 and 2 of packaging material having
their edge portions heat sealed and crimped together as indicated
at 3 in bounding relation to the folded sheet.
The sheet 4 shown in unfolded condition in FIG. 4 is of adequate
size and shape to serve as a towel, and preferably is about 8
inches wide and 11 inches long. The material of the sheet is a
nonwoven fabric comprising about 90 percent nylon and about 10
percent cotton, and the sheet is finely perforated by a large
number of apertures 5, for example, about 104 apertures per square
inch.
One feature of the invention is the manner of folding the sheet
into a multiple plied pile A the length and width of which are
preferably 3 inches and 2 inches, respectively. In making the pile
of plies, the sheet is first folded along the longitudinal lines a
and b equidistantly from the longitudinal edges of the sheet and
inwardly upon the sheet, so that the longitudinal edges of the
sheet are coincident with the longitudinal medial line c. The sheet
is then folded longitudinally along the line c after which the
partially folded sheet is again folded transversely along the line
d that is disposed at the middle of the length of the sheet. This
fold brings the transverse fold lines e and f into juxtaposition
with each other, whereupon the sheet is finally folded along said
juxtaposed lines. The pile A thus completed comprises 16 superposed
plies as clearly shown in FIGS. 2 and 3.
The sheet is impregnated with a suitable liquid at any suitable
time and in any suitable manner, but preferably prior to or during
the folding of the sheet. A liquid such as a mixture of water and a
scenting substance, for example, lime fragrance has been found to
be satisfactory. The lime portion is preferably .08 percent
expressed from the fresh peel of citrus limen and contains 1-A
Pinine, B Pinine, Camphene Y, and Turpentine.
As hereinbefore indicated, the invention contemplates a package
that is capable of withstanding temperatures of the order of
420.degree. F. for periods up to 20 minutes to provide a hot towel,
and which will withstand low temperatures of the order of
40.degree. F. for periods of from 5 to 10 minutes to serve as a
cold towel. It is therefore necessary that the envelope, the sheet
itself and the liquid shall withstand such temperatures and that
the envelope be liquid-tight and gastight to prevent the escape of
the moisture from the folded sheet.
Preferably the layers of packaging material 1 and 2 comprise sheets
6 of metal foil, preferably aluminum the inner sides of which have
a layer 7 of a vinyl compound that is inert to the liquid and the
metal and is also heat-sealable. The opposite side of the metal
layer has a coating 8 of polyethylene and over the polyethylene
layer is applied a layer 9 of cellophane. The polyethylene
constitutes a bonding agent between the cellophane and the aluminum
and adds stability to the package, while the cellophane is
resistant to water vapor, and prevents the escape of the liquid
through the aluminum which ordinarily is not impervious to water.
The cellophane also reinforces the aluminum which has an inherent
relatively poor mechanical strength.
It is, of course, important that the sheet 4 be thin and formed of
liquid absorbent material, and which can be moistened and folded
without structural or chemical deterioration. The sheet should also
have adequate strength when moistened to serve as a towel or wiper
and yet be sufficiently soft to prevent any harm to the skin during
use. A suitable material has been found in what is known as
Chicopee -AK 650-2926 nonwoven fabric.
The invention thus provides a single use porous sheet of a size
adequate to serve as a towel and folded into a compact pile of
superposed plies, the pile being moistened preferably by a mixture
of water and a scenting substance and sealed between sheets of
packaging material each of which comprises a plurality of layers of
material such that the package is liquid-tight and gastight when
subjected to temperatures of from 38.degree. F. to about
420.degree. F., so that the sheet when removed from the envelope
and unfolded can be used either as a hot towel or as a cold towel,
depending upon whether the package is heated or chilled prior to
use. The packaging layers 1 and 2 are easily tearable to permit
removal of the folded sheet from the envelope.
* * * * *