U.S. patent application number 10/830992 was filed with the patent office on 2005-10-27 for vacuum sealing bag.
Invention is credited to Ping, Lau Kong.
Application Number | 20050238263 10/830992 |
Document ID | / |
Family ID | 35136489 |
Filed Date | 2005-10-27 |
United States Patent
Application |
20050238263 |
Kind Code |
A1 |
Ping, Lau Kong |
October 27, 2005 |
Vacuum sealing bag
Abstract
A vacuum sealing bag includes first and second bag panels
overlappedly affixed in an edge to edge manner to form a storing
cavity between the first and second bag panels and an opening
communicating with the storing cavity, and an air sealing
arrangement having a plurality of first air channels longitudinally
formed on an inner side of the first bag panel and a plurality of
second air channels transversely formed on an inner side of the
second bag panel in such a manner that when the inner side of the
first bag panel is overlapped on the inner side of the second bag
panel, the first air channels are communicatively intersected with
the second air channels for guiding air within the storing cavity
to outside, so as to air-seal the storing cavity in a vacuum
manner.
Inventors: |
Ping, Lau Kong; (Kowloon,
HK) |
Correspondence
Address: |
RAYMOND Y. CHAN
108 N. YNEZ AVE., SUITE 128
MONTEREY PARK
CA
91754
US
|
Family ID: |
35136489 |
Appl. No.: |
10/830992 |
Filed: |
April 22, 2004 |
Current U.S.
Class: |
383/100 ;
383/105 |
Current CPC
Class: |
B65D 81/2038
20130101 |
Class at
Publication: |
383/100 ;
383/105 |
International
Class: |
B65D 033/01; B65D
033/00 |
Claims
What is claimed is:
1. A vacuum sealing bag, comprising: first and second bag panels
overlappedly affixed in an edge to edge manner to form a storing
cavity between said first and second bag panels and an opening
communicating with said storing cavity; and an air sealing
arrangement having a plurality of first air channels longitudinally
formed on an inner side of said first bag panel and a plurality of
second air channels transversely formed on an inner side of said
second bag panel in such a manner that when said inner side of said
first bag panel is overlapped on said inner side of said second bag
panel, said first air channels are communicatively intersected with
said second air channels for guiding air within said storing cavity
to outside, so as to air-seal said storing cavity in a vacuum
manner.
2. The vacuum sealing bag, as recited in claim 1, wherein said
first and second air channels are perpendicular to each other when
inner side of said first bag panel is overlapped on said inner side
of said second bag panel such that when said first air channels are
intersected with said second air channels, said air sealing
arrangement is adapted for guiding said air within the storing
cavity to efficiently flow between said first and second air
channels.
3. The vacuum sealing bag, as recited in claim 1, wherein said
first air channels are parallelly extended on said inner side of
said first bag panel from edge to edge and said second air channels
are parallelly extended on said inner side of said second bag panel
from edge to edge such that when said inner side of said first bag
panel is overlapped on said inner side of said second bag panel,
said first air channels are intercommunicated with said second air
channels in a crisscross manner so as to allow said air to flow
therebetween.
4. The vacuum sealing bag, as recited in claim 2, wherein said
first air channels are parallelly extended on said inner side of
said first bag panel from edge to edge and said second air channels
are parallelly extended on said inner side of said second bag panel
from edge to edge such that when said inner side of said first bag
panel is overlapped on said inner side of said second bag panel,
said first air channels are intercommunicated with said second air
channels in a crisscross manner so as to allow said air to flow
therebetween.
5. The vacuum sealing bag, as recited in claim 1, wherein a
plurality of grooves are longitudinally and transversely indented
on said inner sides of said first and second bag panels to form
said first and second air channels respectively, such that said
first and second air channels are integrally formed on said inner
sides of said first and second bag panels respectively.
6. The vacuum sealing bag, as recited in claim 2, wherein a
plurality of grooves are longitudinally and transversely indented
on said inner sides of said first and second bag panels to form
said first and second air channels respectively, such that said
first and second air channels are integrally formed on said inner
sides of said first and second bag panels respectively.
7. The vacuum sealing bag, as recited in claim 4, wherein a
plurality of grooves are longitudinally and transversely indented
on said inner sides of said first and second bag panels to form
said first and second air channels respectively, such that said
first and second air channels are integrally formed on said inner
sides of said first and second bag panels respectively.
8. The vacuum sealing bag, as recited in claim 1, wherein said
first bag panel has a plurality of longitudinal guiding portions
and a plurality of longitudinal sealing portions each formed
between each two longitudinal guiding portions, wherein each of
said longitudinal sealing portions of said first bag panel forms as
a flat sealing surface and said first air channels are spacedly
formed at said longitudinal guiding portions of said first bag
panel for guiding said air extracted from said longitudinal sealing
portions thereof.
9. The vacuum sealing bag, as recited in claim 4, wherein said
first bag panel has a plurality of longitudinal guiding portions
and a plurality of longitudinal sealing portions each formed
between each two longitudinal guiding portions, wherein each of
said longitudinal sealing portions of said first bag panel forms as
a flat sealing surface and said first air channels are spacedly
formed at said longitudinal guiding portions of said first bag
panel for guiding said air extracted from said longitudinal sealing
portions thereof.
10. The vacuum sealing bag, as recited in claim 7, wherein said
first bag panel has a plurality of longitudinal guiding portions
and a plurality of longitudinal sealing portions each formed
between each two longitudinal guiding portions, wherein each of
said longitudinal sealing portions of said first bag panel forms as
a flat sealing surface and said first air channels are spacedly
formed at said longitudinal guiding portions of said first bag
panel for guiding said air extracted from said longitudinal sealing
portions thereof.
11. The vacuum sealing bag, as recited in claim 8, wherein a width
of each said longitudinal guiding portion of said first bag panel
is larger than a width of each said longitudinal sealing portion
thereof for preventing air bubble being formed within said
longitudinal sealing portion of said first bag panel.
12. The vacuum sealing bag, as recited in claim 9, wherein a width
of each said longitudinal guiding portion of said first bag panel
is larger than a width of each said longitudinal sealing portion
thereof for preventing air bubble being formed within said
longitudinal sealing portion of said first bag panel.
13. The vacuum sealing bag, as recited in claim 10, wherein a width
of each said longitudinal guiding portion of said first bag panel
is larger than a width of each said longitudinal sealing portion
thereof for preventing air bubble being formed within said
longitudinal sealing portion of said first bag panel.
14. The vacuum sealing bag, as recited in claim 8, wherein said
second bag panel has a plurality of transverse guiding portions and
a plurality of transverse sealing portions each formed between each
two transverse guiding portions, wherein each of said transverse
sealing portions of said second bag panel forms as a flat sealing
surface and said second air channels are spacedly formed at said
transverse guiding portions of said second bag panel for guiding
said air extracted from said transverse sealing portions
thereof.
15. The vacuum sealing bag, as recited in claim 10, wherein said
second bag panel has a plurality of transverse guiding portions and
a plurality of transverse sealing portions each formed between each
two transverse guiding portions, wherein each of said transverse
sealing portions of said second bag panel forms as a flat sealing
surface and said second air channels are spacedly formed at said
transverse guiding portions of said second bag panel for guiding
said air extracted from said transverse sealing portions
thereof.
16. The vacuum sealing bag, as recited in claim 11, wherein said
second bag panel has a plurality of transverse guiding portions and
a plurality of transverse sealing portions each formed between each
two transverse guiding portions, wherein each of said transverse
sealing portions of said second bag panel forms as a flat sealing
surface and said second air channels are spacedly formed at said
transverse guiding portions of said second bag panel for guiding
said air extracted from said transverse sealing portions thereof,
wherein a width of each said transverse guiding portion of said
second bag panel is larger than a width of each said transverse
sealing portion thereof for preventing air bubble being formed
within said transverse sealing portion of said second bag
panel.
17. The vacuum sealing bag, as recited in claim 13, wherein said
second bag panel has a plurality of transverse guiding portions and
a plurality of transverse sealing portions each formed between each
two transverse guiding portions, wherein each of said transverse
sealing portions of said second bag panel forms as a flat sealing
surface and said second air channels are spacedly formed at said
transverse guiding portions of said second bag panel for guiding
said air extracted from said transverse sealing portions thereof,
wherein a width of each said transverse guiding portion of said
second bag panel is larger than a width of each said transverse
sealing portion thereof for preventing air bubble being formed
within said transverse sealing portion of said second bag
panel.
18. The vacuum sealing bag, as recited in claim 1, wherein each of
said first and second bag panels is made of air impermeable
material to prevent said air entering into said storing cavity
after said storing cavity is air-sealed between said first and
second bag panels.
19. The vacuum sealing bag, as recited in claim 7, wherein each of
said first and second bag panels is made of air impermeable
material to prevent said air entering into said storing cavity
after said storing cavity is air-sealed between said first and
second bag panels.
20. The vacuum sealing bag, as recited in claim 17, wherein each of
said first and second bag panels is made of air impermeable
material to prevent said air entering into said storing cavity
after said storing cavity is air-sealed between said first and
second bag panels.
Description
BACKGROUND OF THE PRESENT INVENTION
[0001] 1. Field of Invention
[0002] The present invention relates to a packing bag, and more
particularly to a vacuum sealing bag, wherein air can be completely
extracted from the vacuum sealing bag so as to pack the item in the
vacuum sealing bag in a vacuum manner.
[0003] 2. Description of Related Arts
[0004] Vacuum packing bags are commonly used for sealedly packing
an item, such as food or cloth, such that the item can be packed in
a vacuum manner. A conventional vacuum packing bag comprises two
bag panels overlappedly mounted edges to edges to form a storing
chamber such that when the item is disposed in the storing chamber,
a vacuuming device is arranged to connect to the vacuum packing bag
to extract the air within the storing chamber.
[0005] Accordingly, since the air within the storing chamber is
extracted, the vacuum packing bag provides a vacuum environment for
the item to minimize the size of the item and prevent the growth of
bacterial. For example, the volume of the cloth can be minimized by
extracting the air therefrom for easily storage. Another usage for
the storing chamber is to pack the food such that when the air is
extracted from the vacuum packing bag, the food is preserved to
prevent the growth of bacterial.
[0006] However, the conventional vacuum packing bag has a major
drawback that the air cannot be completely extracted from the
storing chamber. Due to the irregular shape of the item, a certain
amount of air is trapped within a corner or between the bag panel
and the item during vacuuming. It is difficult for the user to
remove the air bubble within the storing chamber while the air
bubble is formed between the bag panels in an air sealed manner.
Therefore, it is unsafe to preserve the food once the air is stayed
within the storing chamber. In other words, the vacuum packing bag
cannot achieve its original function to pack the item in a vacuum
manner.
[0007] U.S. Pat. No. 4,756,422, owned by Kristen, discloses an
improved vacuum packing bag which comprises two bag panels defining
the storing chamber therebetween wherein a plurality of
protuberances having a waffle shaped formed on one of the bag
panels to define a plurality of intercommunicating channels in such
a manner that the air within the storing chamber can be extracted
through the intercommunicating channels to prevent the air bubble
forming between the bag panels.
[0008] However, due to the waffle shaped protuberances, the air
will be extracted from the storing chamber turbulently along the
intercommunicating channels. Therefore, the time required for
completely extracting the air will be substantially prolonged. In
addition, another bag panel without the protuberances will seal on
the surface of the item such that air bubble will formed between
the surface of the item and the bag panel.
SUMMARY OF THE PRESENT INVENTION
[0009] A main object of the present invention is to provide a
vacuum sealing bag, wherein air can be completely extracted from
the vacuum sealing bag so as to pack the item in the vacuum sealing
bag in a vacuum manner.
[0010] Another object of the present invention is to provide a
vacuum sealing bag, wherein a plurality of first air channels are
longitudinally formed on one of the bag panel while a plurality of
second channels are transversely formed on the other bag panel in
such a manner that when the two bag panels are overlapped, the
first and second air channels are communicated with each other
while the air within the vacuum sealing bag can be completely
extracted to outside along the first and second air channels.
[0011] Another object of the present invention is to provide a
vacuum sealing bag, wherein when an item is packed between the two
bag panels, the first and second air channels are either
communicated with each other or in contact with the surfaces of the
item. Therefore, no air bubble is formed either at the corner of
the storage cavity or between the surface of the item and the bag
panel.
[0012] Another object of the present invention is to provide a
vacuum sealing bag, wherein the air is guided to flow along the
first and second air channels to outside such that no turbulent
flow is formed between the bag panels so as to effectively extract
the air from the storing cavity.
[0013] Another object of the present invention is to provide a
vacuum sealing bag, which is adapted for incorporating with any
vacuum device to extract the air from the vacuum sealing bag.
[0014] Another object of the present invention is to provide a
vacuum sealing bag, which does not require altering the original
structure of the bag panel so as to reduce the manufacturing cost
of the vacuum sealing bag with built-in first and second air
channels.
[0015] Another object of the present invention is to provide a
vacuum sealing bag, wherein no expensive or mechanical structure is
required to employ in the present invention in order to achieve the
above mentioned objects. Therefore, the present invention
successfully provides an economic and efficient solution not only
for providing a quick air-sealing configuration of the vacuum
sealing bag but also for enhancing the practice use of the vacuum
sealing bag.
[0016] Accordingly, in order to accomplish the above objects, the
present invention provides a vacuum sealing bag, comprising:
[0017] first and second bag panels overlappedly affixed in an edge
to edge manner to form a storing cavity between the first and
second bag panels and an opening communicating with the storing
cavity; and
[0018] an air sealing arrangement having a plurality of first air
channels longitudinally formed on an inner side of the first bag
panel and a plurality of second air channels transversely formed on
an inner side of the second bag panel in such a manner that when
the inner side of the first bag panel is overlapped on the inner
side of the second bag panel, the first air channels are
communicatively intersected with the second air channels for
guiding air within the storing cavity to outside, so as to air-seal
the storing cavity in a vacuum manner.
[0019] These and other objectives, features, and advantages of the
present invention will become apparent from the following detailed
description, the accompanying drawings, and the appended
claims.
BRIEF DESCRIPTION OF THE DRAWINGS
[0020] FIG. 1 is a perspective view of a vacuum sealing bag
according to a preferred embodiment of the present invention.
[0021] FIG. 2 is a partially perspective view of the air sealing
arrangement of the vacuum sealing bag according to the above
preferred embodiment of the present invention.
[0022] FIG. 3 is a partially perspective view of the vacuum sealing
bag according to the above preferred embodiment of the present
invention, illustrating an item paced in the vacuum sealing bag in
an air sealed manner.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0023] Referring to FIG. 1 of the drawings, a vacuum sealing bag
according to a preferred embodiment of the present invention is
illustrated, wherein the vacuum sealing bag comprises first and
second bag panels 10, 20 overlappedly affixed in an edge to edge
manner to form a storing cavity 101 between the first and second
bag panels 10, 20 and an opening 102 communicating with the storing
cavity 101.
[0024] The vacuum sealing bag further comprises an air sealing
arrangement 30 having a plurality of first air channels 31
longitudinally formed on an inner side 11 of the first bag panel 10
and a plurality of second air channels 32 transversely formed on an
inner side 21 of the second bag panel 20 in such a manner that when
the inner side 11 of the first bag panel 10 is overlapped on the
inner side 21 of the second bag panel 20, the first air channels 31
are communicatively intersected with the second air channels 32 for
guiding air within the storing cavity 101 to outside, so as to
air-seal the storing cavity 101 in a vacuum manner.
[0025] According to the preferred embodiment, each of the first and
second bag panels 10, 20 is made of air impermeable material to
prevent the air entering into the storing cavity 101 after the
storing cavity 101 is air-sealed between the first and second bag
panels 10, 20. As shown in FIG. 1, a peripheral edge portion of the
first bag panel 10 is sealedly affixed to a peripheral edge portion
of the second bag panel 20 to form the storing cavity 101 between
the inner sides 11, 21 of the first and second bag panels 10, 20
while one edge of the first bag panel 10 is unsealed to the second
bag panel 20 to form the opening 102 to communicate with the
storing cavity 101.
[0026] The first and second air channels 31, 32 are spacedly formed
on the inner sides 11, 21 of the first and second bag panels 10
respectively, wherein each of the first and second air channels 31,
32 is communicating with the storing cavity 101 for guiding the
direction of airflow within the storing cavity 101 to outside.
[0027] The first air channels 31 are parallelly extended on the
inner side 11 of the first bag panel 10 from edge to edge and the
second air channels 32 are parallelly extended on the inner side 21
of the second bag panel 20 from edge to edge such that when the
inner side 11 of the first bag panel 10 is overlapped on the inner
side 21 of the second bag panel 20, the first air channels 31 are
intercommunicated with the second air channels 32 in a crisscross
manner so as to allow the air to flow therebetween.
[0028] Accordingly, a plurality of grooves are longitudinally and
transversely indented on the inner sides 11, 21 of the first and
second bag panels 10, 20 to form the first and second air channels
31, 32 respectively, such that the first and second air channels
31, 32 are integrally formed on the inner sides 11, 21 of the first
and second bag panels 10, 20 respectively.
[0029] As shown in FIGS. 1 and 2, the first and second air channels
31, 32 are perpendicular to each other such that when the first air
channels 31 are intersected with the second air channels 32, the
air within the storing cavity 101 is allowed to efficiently flow
between the first and second air channels 31, 32.
[0030] The first bag panel 10 has a plurality of longitudinal
guiding portions 12 and a plurality of longitudinal sealing
portions 13 each formed between each two longitudinal guiding
portions 12 wherein each of the longitudinal sealing portions 13 of
the first bag panel 10 has a flat sealing surface for sealedly
contacting with an item within the storing cavity 101 while the
first air channels 31 are spacedly formed at the longitudinal
guiding portions 12 of the first bag panel 10 for guiding the air
extracted from the longitudinal sealing portions 13 thereof.
[0031] Accordingly, a width of each longitudinal guiding portion 12
of the first bag panel 10 is larger than a width of each
longitudinal sealing portion 13 thereof so as to prevent air bubble
being formed within the longitudinal sealing portion 13 of the
first bag panel 10.
[0032] In addition, the second bag panel 20 has a plurality of
transverse guiding portions 22 and a plurality of transverse
sealing portions 23 each formed between each two transverse guiding
portions 22 wherein each of the transverse sealing portions 23 of
the second bag panel 20 has a flat sealing surface for sealedly
contacting with an item within the storing cavity 101 while the
second air channels 32 are spacedly formed at the transverse
guiding portions 22 of the second bag panel 20 for guiding the air
extracted from the transverse sealing portions 23 thereof.
[0033] Likewise, a width of each transverse guiding portion 22 of
the second bag panel 20 is larger than a width of each transverse
sealing portion 23 thereof so as to prevent air bubble being formed
within the transverse sealing portion 23 of the second bag panel
20.
[0034] According to the preferred embodiment, in order to
manufacture the vacuum sealing bag of the present invention, an
elongated bag sheet is formed wherein a plurality of grooves are
longitudinally formed along the bag sheet. By cutting the bag sheet
into a plurality of first and second bag panels 10, 20 having a
corresponding size and shape, the grooves formed on the first bag
panel 10 are embodied as the first air channels 31 while the
grooves formed on the second panel 20 are embodied as the second
air channels 32. Therefore, the second panel 20 is alignedly folded
at a position that when the first bag panel 10 is overlapped on the
second bag panel 20, the first air channels 31 are intersected with
the second air channels 32. In other words, the manufacturing
process of the vacuum sealing bag of the present invention is
simplified and easy so as to reduce the manufacturing cost of the
present invention.
[0035] Therefore, in order to sealedly pack the item in the vacuum
sealing bag of the present invention, the user is able to dispose
the item within the storing cavity 101 such that the surfaces of
the item are respectively facing towards the inner sides 11, 21 of
the first and second bag panels 10, 20. Then, by using a
conventional vacuum pump to extract the air within the storing
cavity 101 through the opening 102, the air is sucked until the
surfaces of the item are contacted with the inner sides 11, 21 of
the first and second bag panels 10, 20. At the same time, the air
within the storing cavity 101 is guided to flow along the first and
second air channels 31, 32 to outside until the air is completely
extracted from the storing cavity 101.
[0036] It is worth to mention that when the surfaces of the item
are sealedly contacted with the inner sides 11, 21 of the first and
second bag panels 10, 20 respectively, no air bubble is formed
between the surfaces of the item and the first and second bag
panels 10, 20 because the air is guided to flow along the first and
second air channels 31, 32. In addition, when the inner sides 11,
12 of the first and second bag panels 10, 20 are overlapped to
intersect the first air channels 31 with the second air channels
32, the air is guided to flow therealong such that no air bubble is
formed between the first and second bag panels 10, 20, especially
at the corner of the vacuum sealing bag.
[0037] One skilled in the art will understand that the embodiment
of the present invention as shown in the drawings and described
above is exemplary only and not intended to be limiting.
[0038] It will thus be seen that the objects of the present
invention have been fully and effectively accomplished. It
embodiments have been shown and described for the purposes of
illustrating the functional and structural principles of the
present invention and is subject to change without departure from
such principles. Therefore, this invention includes all
modifications encompassed within the spirit and scope of the
following claims.
* * * * *