CN106081357B - Square fluid packaging device - Google Patents
Square fluid packaging device Download PDFInfo
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- CN106081357B CN106081357B CN201610612981.4A CN201610612981A CN106081357B CN 106081357 B CN106081357 B CN 106081357B CN 201610612981 A CN201610612981 A CN 201610612981A CN 106081357 B CN106081357 B CN 106081357B
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- packaging
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- 239000012530 fluid Substances 0.000 title claims abstract description 434
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 106
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 136
- 238000007789 sealing Methods 0.000 claims abstract description 53
- 238000005452 bending Methods 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000001223 reverse osmosis Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 80
- 210000004027 cell Anatomy 0.000 description 52
- 238000000926 separation method Methods 0.000 description 20
- 230000003139 buffering effect Effects 0.000 description 15
- 239000010410 layer Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000002708 enhancing effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 210000000352 storage cell Anatomy 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
- B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
A square fluid packing device for cushioning at least one object to be packed with fluid, comprising: the fluid buffer body is formed by at least two layers of fluid storage films and comprises a plurality of fluid storage units, each fluid storage unit is subjected to plastic sealing and bending, and after being filled with fluid, the square fluid packaging device formed by the fluid storage units can be respectively provided with two reinforcing walls with top ends connected at the top side or the bottom side, and the reinforcing walls enhance the buffer performance of the square fluid packaging device.
Description
Technical Field
The present invention relates to an air-packing device, and more particularly, to a square fluid-packing device having a reinforcing wall which can enhance the cushioning property of the square fluid-packing device.
Background
In modern logistics, the most widely used are packaging boxes (boxes). However, the conventional package does not provide the function of preventing collision and falling. That is, the packing box or case is thrown away during transportation or storage, easily causing deformation thereof, and thus possibly causing damage to or deformation of the packed item. Therefore, for some articles with high packaging requirements, such as electronic digital products, plastic ceramics, biochemical products, food and medicine, etc., it is necessary to provide a buffering function for the packaged articles to prevent the packaged articles from being damaged during transportation and storage. Existing solutions, such as traditional paper packaging boxes, may be to fill the interior of the paper packaging box with a cushioning material, such as a foam material, to achieve the purpose of providing cushioning. However, the cost of shipping and storing such packages and filled cushioning materials is very expensive when they are shipped to the packaging site. And the buffering foam material pollutes the environment and is not environment-friendly.
Another improvement is the presently available air-filled package formed from four films through a series of heat-sealing processes, wherein the two outer films form an inflatable chamber therebetween and the two inner films form a one-way inflation valve for inflating a corresponding inflatable chamber and preventing the air in the inflatable chamber from leaking out. Wherein two-layer outer film forms the chamber that holds that can hold packing article through a series of folding back, like this, packing article can receive gas packaging bag's buffering in each side to prevent that external impact stress from acting on to packing article, thereby prevent packing article's damage. However, the single-layer type air packing bag formed by two outer films still has limited cushioning performance, for example, when one side wall of the air packing bag is impacted, air in the air packing bag cannot be effectively dispersed, and the side wall of the air packing bag cannot be timely restored to the shape, so that impact stress is locally excessively concentrated, and the stress is transmitted to the packed article, thereby causing damage to the packed article.
Disclosure of Invention
The object of the present invention is to provide a square fluid packing device, wherein the square fluid packing device provides a square receiving space.
Another object of the present invention is to provide a square fluid packaging device, wherein the square fluid packaging device has a fluid containing cavity, wherein a fluid is disposed in the fluid containing cavity, and wherein the fluid in the fluid containing cavity can provide a buffer effect to protect a packaged object of the fluid packaging bag.
It is another object of the present invention to provide a square fluid packing device, wherein the square fluid packing device includes a reinforcing wall capable of enhancing a cushioning property of the square fluid packing device.
Another object of the present invention is to provide a square fluid packing device, wherein the reinforcing wall of the square fluid packing device is provided at the bottom of the square fluid packing device, the reinforcing wall being capable of enhancing the cushioning property of the bottom of the square fluid packing device.
Another object of the present invention is to provide a square fluid packing device, wherein the reinforcing wall of the square fluid packing device is provided at the top of the square fluid packing device, the reinforcing wall being capable of enhancing the top cushioning property of the square fluid packing device.
Another object of the present invention is to provide a square fluid packing device in which the reinforcing walls of the square fluid packing device are joined together by heat-sealing or adhesion to enhance the cushioning property of the fluid packing bag.
Another object of the present invention is to provide a square fluid packing device, wherein the reinforcing wall of the square fluid packing device and a bottom wall of a packing wall of the square fluid packing device are in a cross-lapping arrangement, which can enhance the cushioning property of the bottom of the square fluid packing device.
Another object of the present invention is to provide a square fluid packing device, wherein the reinforcing wall of the square fluid packing device and the top wall of a top side wall of a packing wall of the square fluid packing device are in a cross-lapping arrangement, which can enhance the cushioning property of the bottom of the square fluid packing device.
It is another object of the present invention to provide a square fluid packing device, wherein the reinforcing walls of the square fluid packing device are heat-sealed together by connecting heat-seal points to form a grip portion, wherein the grip portion is convenient for a user to carry the square fluid packing device.
In order to achieve at least one of the above objects, the present invention provides a square fluid packing device for cushioning at least one object to be packed with fluid, comprising: the fluid buffer body is formed by at least two layers of fluid storage films and comprises a plurality of fluid storage units, each fluid storage unit is subjected to plastic sealing and bending and is filled with fluid to form at least one packaging wall of the square fluid packaging device, the packaging wall comprises a bottom wall and a peripheral wall to form at least one square accommodating cavity for packaging the to-be-packaged object, the packaging wall further comprises two reinforcing walls overlapped with the bottom wall, and the two reinforcing walls are connected to enhance the buffer performance of the square fluid packaging device.
In some embodiments, the ends of the reinforcing wall are formed by heat sealing or adhesive bonding and are triangular in shape.
In some embodiments, it further comprises at least one top sidewall connected to the package wall, the package wall and the top sidewall forming the sealable square-shaped containment chamber.
In some embodiments, it further comprises two reinforcing walls of a further top side arranged in a stack with said top side walls, and two of said reinforcing walls of the further top side are connected at their top ends.
In some embodiments, each of the fluid storage units further includes at least one packaging wall fluid unit and at least one top sidewall fluid unit which are communicated with each other after being plastically bent by a series of planar plastic sealing seams and three-dimensional plastic sealing seams, the packaging wall fluid units are connected to form the packaging wall, and the top sidewall fluid units are connected to form the top sidewall.
In some embodiments, the packaging wall flow cell further comprises at least one bottom wall flow cell, at least one perimeter wall flow cell, and at least one reinforcing wall flow cell in communication, each of the bottom wall flow cells being connected to form the bottom wall, each of the perimeter wall flow cells being connected to form the perimeter wall, each of the reinforcing wall flow cells being connected to form the reinforcing wall, wherein each of the reinforcing wall flow cells of the reinforcing wall and each of the bottom wall flow cells forming the bottom wall are in a cross-stacked arrangement.
In some embodiments, each of the reinforcing wall flow cells is disposed outside of the square-shaped containment chamber.
In some embodiments, each of the reinforcing wall flow cells is disposed within the square-shaped receiving cavity.
In some embodiments, the top sidewall further comprises at least one top wall and at least one top annular wall, the top annular wall being connected to the top wall, each of the reinforcement walls of the top side being connected to the top wall and being triangular in shape, and being in a stacked arrangement with the top wall.
In some embodiments, each of the fluid storage units further includes at least one packaging wall fluid unit and at least one top sidewall fluid unit which are communicated with each other after being plastically bent by a series of planar plastic sealing seams and three-dimensional plastic sealing seams, the packaging wall fluid units are connected to form the packaging wall, the top sidewall fluid units are connected to form the top sidewall, the top sidewall fluid unit further includes at least one top wall fluid unit, at least one top ring wall fluid unit and at least one reinforcing wall fluid unit which are communicated with each other, the top wall fluid units are connected to form the top wall, the top ring wall fluid units are connected to form the top ring walls, and the reinforcing wall fluid units are connected to form the reinforcing wall.
In some embodiments, each of the reinforcing wall fluid cells of the reinforcing wall and each of the top wall fluid cells forming the top wall are in a cross-plied arrangement.
In some embodiments, each of the reinforcing wall fluid cells of the reinforcing wall and each of the bottom wall fluid cells forming the bottom wall are each of different or the same size in diameter.
In some embodiments, each of the reinforcing wall fluid cells of the reinforcing wall and each of the top wall fluid cells forming the top wall are each of different or the same size in diameter.
In some embodiments, the peripheral wall, the bottom wall, and the reinforcing wall are integrally formed.
In some embodiments, the top wall, the top annular wall, and the reinforcing wall are integrally formed.
In some embodiments, the fluid buffer body is formed by heat sealing and folding a first fluid storage film and a second fluid storage film, the fluid buffer body forms at least one fluid inlet and at least one main channel, and at least one fluid filling valve is disposed in the fluid buffer body, fluid enters the main channel from the fluid inlet, and enters each fluid storage unit from the main channel through the fluid filling valve.
In some embodiments, the fluid filling valve includes two valve films heat-sealed to the first fluid storage film and the second fluid storage film of the fluid buffer, respectively, at least one fluid passage is formed between the two valve films, and inner surfaces of the two valve films automatically adhere to each other when the fluid storage unit is filled with fluid through the fluid passage, so as to prevent fluid entering the fluid storage unit from reversely permeating through the fluid passage.
Drawings
Fig. 1 is a schematic view showing an unfolded state of a square fluid-packing device according to a preferred embodiment of the present invention when not filled with fluid.
Fig. 2 is a schematic view showing a folded state of the square fluid-packing device according to the above preferred embodiment of the present invention when it is not filled with fluid.
Fig. 3 is a perspective view showing a finished product after the square fluid-packing device according to the above preferred embodiment of the present invention is folded and heat-sealed.
Fig. 4 is a schematic perspective view of a square fluid-packing device according to the above preferred embodiment of the present invention.
Fig. 5 is a schematic view showing the construction of a reinforcing wall and a bottom wall of a packing wall of the square fluid-packing device according to the above preferred embodiment of the present invention.
Fig. 6 is a schematic view showing the structure of a reinforcing wall and a bottom wall of a square fluid-packing device according to a modified embodiment of the above preferred embodiment of the present invention.
Fig. 7 is a schematic view showing a developed state of a square fluid-packing device according to another embodiment of the present invention when it is not filled with fluid.
Fig. 8 is a schematic view showing a folded state of the square fluid-packing device according to the above-described embodiment of the present invention when it is not filled with fluid.
Fig. 9 is a perspective view showing a finished product after the square fluid-packing device according to the above-described embodiment of the present invention is folded and heat-sealed.
Fig. 10 is a schematic perspective view of a square fluid-packing device according to the above-described embodiment of the present invention.
Fig. 11A is a schematic view showing a structure of a bottom reinforcing wall and a bottom wall of a packing wall of the square fluid packing device according to the above-described embodiment of the present invention.
Fig. 11B is a schematic structural view of a top reinforcing wall and a top wall of a top side wall of the square fluid-packing device according to the above-described embodiment of the present invention.
Fig. 12A is a schematic structural view of a fluid filling valve of the square fluid packing device according to the above-described embodiment of the present invention.
Fig. 12B is a schematic structural view of the fluid filling valve of the square fluid packing device according to the above embodiment of the present invention.
Fig. 12C is a schematic structural view of a fluid filling valve of the square fluid packing device according to the above-described embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
Referring to fig. 1 to 4, there is shown a square fluid packing device according to a preferred embodiment of the present invention, which has an inflatable structure for providing a gas buffering effect to various packing articles such as electronic products, foods, medical products, chemical materials, biomaterials, plastic ceramics, fast consumer goods, etc. after being inflated, and is convenient to store and transport without being filled with a fluid when not in use and to fill with a fluid on site when in use, thereby being very convenient to use. Since the fluid packing bag has fluid cushioning properties, it is suitable for providing a fluid cushioning effect to the article to be packed. It will be understood by those skilled in the art that the above-mentioned objects to be packaged are not limited to the examples given herein, and the square fluid packaging device of the present invention can be applied to the packaging of other objects according to the actual needs. The medium for providing a cushioning effect of the square fluid packaging device according to the present invention is a fluid, such as gas, liquid, or the like.
In this preferred embodiment of the present invention, the square-shaped fluid-packing device may be implemented as an air cushion material, i.e., the inflated gas is exemplified by air. Of course, it will be appreciated by those skilled in the art that other fluids are possible in the application as desired. In this preferred embodiment, it is inflated to form a three-dimensional package, thereby providing an air cushioning effect to a packaged item.
In order to form a square three-dimensional shape in the forming process of the square fluid packaging device, the square fluid packaging device provided by the invention is provided with at least two reinforcing walls, and the tops of the reinforcing walls are connected together in a heat sealing or bonding mode, so that the reinforcing walls not only can ensure the square three-dimensional configuration of the square fluid packaging device, but also can provide a multi-stage buffering effect for the packaged product.
Specifically, in the above preferred embodiment, the square fluid packaging device includes at least one fluid buffering body 10, that is, one three-dimensional packaging bag is formed by one fluid buffering body 10 or a plurality of fluid buffering bodies 10 are plastically connected, such as bonded or heat-sealed, to form the three-dimensional packaging bag. In the example of the invention shown in fig. 1 to 5, it is formed by one of said fluid cushion bodies 10. More specifically, referring to fig. 1, 2 and 12A, the fluid buffering body 10 includes at least two fluid storage films 11 and 12 formed into the three-dimensional packaging bag including one or more connected fluid storage units 13 through a series of planar plastic sealing seams 30 and three-dimensional plastic sealing seams 40, wherein each fluid storage unit 13 forms a fluid storage chamber 14 capable of storing fluid therein.
It will be understood by those skilled in the art that the planar plastic-sealing seam 30 is used for plastic-sealing the multi-layer film to form a planar cushion material as shown in fig. 3, and the three-dimensional plastic-sealing seam 40 is used for further plastic-sealing the planar cushion material to form the square fluid packing device into the three-dimensional packing device having a spatial three-dimensional configuration and capable of accommodating the packed article, as shown in fig. 3. The planar plastic seam 30 and the three-dimensional plastic seam 40 may be formed by bonding or heat-sealing the multilayer films together, and preferably, in this preferred embodiment, the planar plastic seam 30 and the three-dimensional plastic seam 40 may be formed by a heat-sealing process.
More specifically, as shown in fig. 1, the planar plastic sealing seam 30 includes a plurality of rows of dividing seams 31 that divide the two fluid storage films 11 and 12 into a plurality of fluid storage cells 13. That is, it is preferable that each row of the separation slits 31 is formed through a heat-sealing process that heat-seals two layers of the fluid storage films 11 and 12, thereby forming one row of the separation slits 31 between adjacent two fluid storage units 13. The separation seam 31 may be a continuous heat seal line so that a plurality of the fluid storage units 13 are independent of each other. In this way, when one of the fluid storage units 13 is damaged to leak fluid, the other fluid storage units 13 may not be affected. Of course, it should be noted that the fluid storage units 13 may also be in communication with each other, such that only one fluid filling valve 20 is required to fill all of the fluid storage units 13 with fluid. That is, the square fluid packing device of the present invention can form a plurality of the fluid storage cells 13 by heat-sealing the first fluid storage film 11 and the second fluid storage film 12.
It is understood that, as shown in fig. 1, the top and bottom rows of the separation slits 31 may be the top and bottom boundary slits of the fluid buffering body 10, respectively. It is worth mentioning that the top side and the bottom side are relative concepts, which are defined according to the relative position of the square fluid packing device to the horizontal line. That is, the separation slit 31 of the square fluid packing device is defined as a top side and a top side when it is relatively perpendicular to the horizontal line, but is defined as a left side and a right side when the separation slit 31 of the square fluid packing device is relatively parallel to the horizontal line. The separation seam 31 may be an intermittent heat seal line so that a plurality of the fluid storage units 13 communicate with each other. The fluid storage unit 13 may have various shapes such as a bar shape, a circular shape, a polygonal shape, or other irregular shapes. As shown in fig. 1 to 4, when the fluid cushion body 10 of the present invention is implemented as an inflatable material, the fluid cushion body 10 may include a plurality of inflatable columns arranged side by side and having the same size, or the fluid cushion body 10 of the present invention may include a plurality of inflatable columns arranged side by side and having different sizes. In addition, the arrangement of the large and small air columns may be varied, for example, they may be arranged alternately, small air columns may be formed in some areas, and the invention is not limited in this respect.
In the above preferred embodiment, as shown in fig. 12A to 12C, the structure of the fluid filling valve 20 of the square fluid packaging apparatus of the present invention is schematically shown. Referring to fig. 12A, the square fluid packing device further includes a fluid filling valve 20 formed of at least two valve films 21 and 22, the valve films 21 and 22 of the fluid filling valve 20 and the fluid storage films 11 and 12 are disposed to overlap each other, and a fluid passage 23 for inflating the fluid storage chamber 14 is formed between the valve films 21 and 22. It is understood that the valve films 21 and 22 are shorter in length than the fluid storage films 11 and 12. When the fluid storage chamber 14 is inflated through the fluid passage 23 and the air pressure in the fluid storage chamber 14 reaches a predetermined requirement, the air pressure in the fluid storage chamber 14 acts on the valve films 21 and 22 to make the valve films 21 and 22 adhere to one of the air chamber films, thereby closing the fluid passage 23 so that the fluid filling valve 20 functions as a check valve. When at least one fluid channel 23 is formed in each fluid storage unit 13 and the fluid storage units 13 are independent of each other, when one of the fluid storage units 13 is damaged and leaks air, the other fluid storage units 13 are not affected and can play a fluid buffering effect. As shown in fig. 12B, the fluid filling valve 20 may further include adding a valve membrane 25 between the two valve membranes 21 and 22 for enhancing sealing performance. As shown in fig. 12C, the fluid filling valve 20 may further include a valve membrane 26 between the air chamber membrane 12 and the valve membrane 22, i.e., outside the two valve membranes 21 and 22, thereby serving to prevent the joint of the valve membrane 22 and the air chamber membrane 12 from being torn, and to reinforce the stable joint thereof. It will be appreciated that the specific configuration of the fluid filling valve 20 described above is by way of example only and is not limiting to the present invention.
It is understood that the fluid storage films 11 and 12 of the fluid buffering body 10 and the valve films 21 and 22 of the fluid filling valve 20 may be made of various suitable film materials, such as polyethylene film, polypropylene film, polyvinyl chloride film, polyester film, polystyrene film or composite film, etc., and the present invention is not limited in this respect as long as it is a suitable flexible film. It is worth mentioning that the valve membranes 21 and 22 of the fluid filling valve 20 may also be self-adhesive films modified by adding chemical components to the above films in order to increase the one-way sealing effect.
The fluid buffering body 10 further includes a main channel unit 15 connected to each of the fluid storage units 13, preferably integrally extended from each of the fluid storage units 13. More specifically, in one embodiment, the main channel unit 15 is perpendicular to the extending direction of the fluid storage unit 13. For example, in one embodiment, each of the fluid storage units 13 extends in a longitudinal direction, and the main channel unit 15 extends in a transverse direction. The main passage unit 15 forms a main passage 151, and the main passage 151 has a fluid inlet 152, when the fluid inlet 152 is positioned with a fluid filling nozzle and a fluid filling operation is performed, fluid enters the main passage 151 from the fluid inlet 152 in a transverse direction and enters each of the fluid storage units 13 in a longitudinal direction, and when a predetermined air pressure is reached in each of the fluid storage chambers 14, the valve films 21 and 22 of the fluid filling valve 20 are attached to one of the fluid storage films 11 or 12, thereby achieving self-sealing to prevent the re-permeation of the filled gas into the main passage 151.
It is understood that the main passage unit 15 may be formed of two layers of the fluid storage films 11 and 12, two layers of the valve films 21 and 22, or one of the fluid storage films 11 or 12 and one of the valve films 21 or 22.
As shown in fig. 1, the planar plastic sealing seam 30 further includes a continuously sealed side sealing seam 32 and a continuously sealed main channel sealing seam 33 respectively located at the left and right sides of the fluid buffering body 10, wherein the main channel 151 is formed between the side sealing seam 32 at the left side and the main channel sealing seam 33 at the left side. It is to be understood that the edge sealing seam 32 is formed by a plastic molding process such as bonding or heat sealing and sealably connects the two fluid storage films 11 and 12, and the main channel sealing seam 33 is formed by a plastic molding process such as bonding or heat sealing and connects the two fluid storage films 11 and 12 and the two valve films 21 and 22, respectively, as shown in fig. 12A to 12C, and the main channel sealing seams 33 formed at the upper and lower sides, for example, by one heat sealing process, respectively heat-seal the fluid storage film 11 and the valve film 21 at positions corresponding to the fluid channels 23, and heat-seal the air chamber film 12 and the valve film 22, and other positions integrally heat-seal the multi-layered films and divide the fluid buffer 10 into the main channel unit 15 and the fluid storage unit 13.
As shown in fig. 12A to 12C, each of the fluid storage units 13 is in a position adjacent to the main passage 151, and the valve films 21 and 22 are further heat-sealed to the fluid storage film 11 by a plurality of connecting seams 35, so that when a predetermined fluid pressure is reached in the fluid storage chamber 14, the fluid pressure acts on the valve films 21 and 22, and is simultaneously pressed toward the fluid storage film 11 and finally attached to the fluid storage film 11 due to the provision of a connecting seam 35, thereby closing the fluid passage 23. That is, the joining seam 35 heat-seals two layers of the valve films 21 and 22 and one layer of the fluid storage film 11. In addition, as shown in fig. 12A to 12C, the shape of each of the connecting slits 35 is designed such that it further functions to prevent the backflow of fluid, that is, when the gas in the fluid storage chamber 14 is intended to flow back, it is blocked by the connecting slit 35 and cannot easily reverse into the main channel 151. In addition, in heat-sealing these planar plastic seams 30, the fluid passages 23 of the valve films 21 and 22 of the fluid-filled valve 20 may be formed by providing a heat-resistant barrier means that is removed after the heat-sealing process. In one embodiment, a heat resistant layer 24, such as heat resistant ink, is disposed between the valve films 21 and 22 of the fluid filling valve 20, as shown in fig. 12A to 12C, and is communicated against the main passage 151 without closing its inlet port by heat sealing. In one embodiment, the main channel 151 is formed by two fluid storage films 11 and 12, the heat-resistant layer 24 and the valve films 21 and 22 each have an extension entering the main channel 151, the planar plastic sealing seam 30 further includes a row of mutually spaced and longitudinally arranged joint seams 36 corresponding to the position of the extension of the heat-resistant layer 24, because of the arrangement of the heat-resistant layer 24, the joint seams 36 connect the two fluid storage films 11 and 12 and the two valve films 21 and 22 respectively, and the two valve films 21 and 22 are not heat-sealed, and the arrangement of the joint seams 36 is such that after the fluid cushion body 10 is filled with fluid and the fluid enters the main channel 151, the adjacent valve films 21 and 22 and the correspondingly connected fluid storage films 11 and 12 can expand together to open the corresponding fluid channel 23.
The fluid storage units 13 at both ends of the fluid cushion body 10 are folded and connected by a one-end plastic seam 41. A terminal edge 38 is arranged outside the terminal plastic sealing seam 41. The end pinch seal 41 and the end edge 38 together form a non-pneumatic end portion 106. The non-inflating end portion 106 includes a connecting heat seal 44.
As shown in fig. 1 and fig. 2, the fluid cushion body 10 is folded in half along a folding auxiliary line and then connected by the end plastic-sealed seam 41 to form the square fluid packaging device with a square space three-dimensional structure. Wherein the square fluid packaging device comprises a packaging wall 101 and a top side wall 102 after being filled with fluid. The package wall 101 further includes a bottom wall 1011, two reinforcing walls 1012 and a perimeter wall 1013. The package wall 101 and the top side wall 102 are formed by the fluid storage cells 13 formed by the planar plastic seams 30. As shown in fig. 5, the reinforcing wall 1012 is triangular in shape and is folded in two. The top end points of the two reinforcing walls 1012 in the triangular shape are heat-sealed by the joining heat-seal points 44. It is worth mentioning that the heat-seal connection of the two reinforcing walls 1012 can be made by the connecting heat-seal points 44 after folding before the fluid is not filled, or after folding and filling the fluid for forming. Of course, it will be understood by those skilled in the art that the present invention is not limited to the heat sealing connection, but may be other connection methods, and the present invention is not limited thereto.
Further, as shown in fig. 1, the planar plastic sealing seam 30 further includes a plurality of rows of folding seams 37 that are heat sealed intermittently, and the fluid cushion body 10 after being filled with fluid is adapted to be folded along the folding seams 37, so that the fluid cushion body 10 forms a plurality of side walls, i.e., the package wall 101 and the top side wall 102. These bent seams 37 do not separate adjacent fluid storage units 13, that is, at least one communication channel is formed between adjacent fluid storage units 13, so that when fluid is filled, fluid enters each fluid storage unit 13 through the communication channel. In the example shown in the figure, the central portion between the adjacent fluid storage units 13 is provided with the bending seam 37 formed by heat sealing, and communication channels are formed on both sides of the bending seam 37. In another embodiment, the two end portions of the fluid storage unit 13 may be heat sealed to form the bending seams 37, and the middle portion may form the communication channel.
More specifically, as shown in fig. 1, the fluid buffering body 10 has at least one pair of sub-wall bending slits 371 and at least one side wall separating slit 372, and the sub-wall bending slits 371 and the side wall separating slit 372 divide the fluid storage unit 13 into two or more packaging wall fluid units 131 and a top side wall fluid unit 132. The side wall separation seam 372 is used for separating the top side wall 102 and the packaging wall 101 of the square fluid packaging device, and the pair of sub-wall bending seams 371 is used for separating the bottom wall 1011, the reinforcing wall 1012 and the peripheral wall 1013 of the packaging wall 101. When the lid portion of the square fluid packaging device is opened, the top side wall 102 is folded along the wall dividing slit 372. It is worth mentioning that the sub-wall bending slits 371 and the side wall separating slits 372 provided at the plurality of fluid storage units 13 are arranged along a straight line, but are not continuous, thereby forming each side wall between the bending slits 37. Specifically, as shown in fig. 1, each of the top sidewall fluid cells 132 on the right side of the sidewall separation seam 372 is folded and filled with a fluid to form the top sidewall 102, and each of the packaging wall fluid cells 131 on the left side of the sidewall separation seam 372 is folded and filled with a fluid to form the packaging wall 101. More specifically, the peripheral wall fluid cell 1311 of the sub-wall bending slit 371 on the left side and the peripheral wall fluid cell 1311 of the sub-wall bending slit 371 on the right side form the peripheral wall 1013 of the packaging wall 101 after being folded and filled with fluid, and accordingly, the bottom fluid cell 1312 between the two sub-wall bending slits 371 forms the bottom wall 1011 and the reinforcing wall 1013 of the packaging wall 101.
Further, the fluid cushion body 10 further includes four folding lines 47. Each of the fold lines 47 extends obliquely between the connecting heat-seal points 44 and the sub-wall bending slits 371. Wherein the fold lines 47 connected to the same connecting heat seal point 44 are joined at the respective connecting heat seal points 44. The fold line 47 and the sub-wall bending seam 371 meet at a bending point 471. A bend line 48 is formed between the two corresponding bend points 471 of the fold lines 47. It is worth mentioning that the bending line 48 can be provided separately or can be folded through the separation slit 31.
After being folded along the respective fold lines 47 and the respective fold lines 48, the bottom fluid cell 1312 between the sub-wall fold lines 371 is divided into at least one bottom wall fluid cell 13121 and at least one reinforcing wall fluid cell 13122, i.e. the bottom wall fluid cell 13121 between the four fold points 471 forms the bottom wall 1011 of the packaging wall 101, as shown in fig. 3 to 5. The bend line 48 and the uninflated end portion 106 form the reinforced wall 1012 by folding along the bend line 48 and the sub-wall bend 371, that is, the reinforced wall fluid cell 13122 between the bend line 48 and the fold line 47 forms the reinforced wall 1012. The reinforcing wall 1012 on both sides is fixed to the lower end of the bottom wall 1011 by the connection of the connecting heat-seal points 44. The reinforcing wall 1012 and the bottom wall 1011 are arranged in a stacked and crossed manner, so that the cushioning performance of the bottom of the square fluid packaging bag is enhanced.
It is worth mentioning that the reinforcing wall 1012 may be made as a fluid column of reduced thickness, reducing the amount of fluid to be filled by adding heat sealing lines. That is, each reinforcing wall fluid cell 13122 forming the reinforcing wall 1012 may further reduce the amount of fluid charged in each reinforcing wall fluid cell 13122 by providing a plurality of secondary end seals, thereby reducing the thickness of the reinforcing wall 1012. The invention is not so limited.
It is understood that each of the reinforced wall fluid cells 13122 of the reinforced wall 1012 and the bottom wall fluid cells 13121 forming the bottom wall 1011 are in a crossed arrangement.
As shown in fig. 6, a modification of the preferred embodiment of the present invention is mainly modified in that the reinforcing wall 1012 is opposite to the bottom wall 1011, that is, the reinforcing walls 1012 are fixed to the upper end of the bottom wall 1011, that is, the bottom side of the square fluid packaging apparatus, unlike the preferred embodiment in which the reinforcing walls 1012 are fixed to the lower end of the bottom wall 1011.
It is worth mentioning that according to the preferred embodiment of the present invention, the package walls 101 form a stacked cross arrangement structure, which enhances the cushioning properties of the bottom of the square fluid package device. However, it will be understood by those skilled in the art that such a structure may be formed not only at the bottom of the square fluid packing device but also at a fluid portion of the square fluid packing device, such as the top, the side, etc.
Thus, the square fluid-packing device forms a receiving chamber 100 for packing an article to be packed. The accommodating cavity 100 is square in shape and can be used for packaging square articles to be packaged.
Fig. 7 to 11 show the square fluid packing device according to another embodiment of the present invention. As shown in fig. 9, the above-described laminated cross arrangement structure of the preferred embodiment is not only provided at the bottom, enhancing the cushioning property of the bottom of the square fluid packaging device, but also applied at the top of the square fluid packaging device of this embodiment, thereby enhancing the cushioning property of the top of the square fluid packaging device.
That is, as shown in fig. 7 and 8, the fluid cushion body 10A is folded in half along a folding auxiliary line and then connected by the end plastic sealing seam 41A to form the square fluid packaging device having a square space three-dimensional structure. Wherein the square fluid packaging device comprises a packaging wall 101A and a top side wall 102A after being filled with fluid. The package wall 101A further includes a bottom wall 1011A, two bottom reinforcing walls 1012A and a perimeter wall 1013A. The top sidewall 102A further includes a top wall 1021A, two top reinforcing walls 1022A, and a top annular wall 1023A. The package wall 101A and the top side wall 102A are formed by each of the fluid storage cells 13A formed by each of the planar plastic seams 30A. As shown in fig. 9, the bottom reinforcing wall 1012A and the top reinforcing wall 1022A have a triangular shape, and are each folded in two parts. The top end points of the bottom reinforcing wall 1012A and the top reinforcing wall 1022A, which have a triangular shape, are heat-seal bonded by a bottom joining heat-seal point 441A and a top joining heat-seal line 442A, respectively. It is worth mentioning that the respective heat-seal connections of the bottom reinforcing wall 1012A and the top reinforcing wall 1022A may be heat-seal connected by the respective connecting heat-seal points after being folded before being filled with fluid, or may be heat-seal connected after being folded and filled with fluid for molding. Of course, it will be understood by those skilled in the art that the present invention is not limited to the heat sealing connection, but may be other connection methods, and the present invention is not limited thereto.
It is worth mentioning that a gap is provided between the top reinforcing wall 1022A and the top wall 1021A, which facilitates the operator to hold and operate the top side wall 102A of the square fluid packaging device, for example, the operator can open the top side wall 102A of the square fluid packaging device conveniently by holding the top reinforcing wall 1022A.
Specifically, as shown in fig. 7, the fluid buffer body 10A has at least one pair of sub-bottom wall bending seams 371A, at least one side wall separation seam 372A and at least one sub-top wall bending seam 373A, and the sub-bottom wall bending seam 371A and the side wall separation seam 372A divide the fluid storage unit 13A into two or more package wall fluid storage units 131A and a top wall fluid storage unit 132A. The side wall separation seam 372A is used for separating the top side wall 102A of the square fluid packaging device from the packaging wall 101A, and when the lid portion of the square fluid packaging device is opened, the top side wall 102A is bent along the wall separation seam 372A. Specifically, as shown in fig. 7, the pair of sub-bottom wall bending seams 371A on the left side is used to separate the bottom wall 1011A, the bottom reinforcing wall 1012A and the peripheral wall 1013A of the packaging wall 101A, and the pair of sub-top wall bending seams 373A on the right side is used to separate the top wall 1021A, the top reinforcing wall 1022A and the top annular wall 1023A of the top side wall 102A. Each of the top sidewall fluid cells 132A on the right side of the sidewall separation seam 372A is folded and filled with fluid to form the top sidewall 102A, and each of the packaging wall fluid cells 131A on the left side of the sidewall separation seam 372A is folded and filled with fluid to form the packaging wall 101A.
More specifically, the peripheral wall fluid unit 1311A located on the left side of the sub-bottom wall bending seam 371A on the left side and the peripheral wall fluid unit 1311A located on the right side of the sub-bottom wall bending seam 371A on the right side form the peripheral wall 1013A of the packaging wall 101A after being folded and filled with fluid, and accordingly, the bottom fluid unit 1312A between the two sub-bottom wall bending seams 371A forms the bottom wall 1011A and the bottom reinforcement wall 1013A of the packaging wall 101A.
Accordingly, the top annular wall fluid cell 1321A located on the right side of the sub-top wall bend seam 373A on the right side and the peripheral wall fluid cell 1321A located between the wall separation seam 372A and the sub-bottom wall bend seam 371A on the left side form the top annular wall 1023A of the top side wall 102A after being folded and filled with fluid, and the top fluid cell 1322A located between the two sub-top wall bend seams 373A forms the top wall 1021A of the top side wall 102A and the top reinforcing wall 1023A.
Further, the fluid cushion body 10A further includes two top folding lines 472A. Each of the top fold lines 473A extends obliquely between the top attachment heat seal points 442A and the sub-top wall crease 373A. Wherein the top fold lines 472A connected to the same top attachment heat seal point 442A are joined at the respective top attachment heat seal points 442A. The top fold line 472A meets the sub-top wall bend 373A at a top bend point 4712A. A top fold line 482A is formed between the top fold points 4712A of the two respective top fold lines 472A. It should be noted that the top bend line 482A may be separately provided, or may be folded by the separation slit 31A.
Further, the fluid cushion body 10A further includes two bottom folding lines 472A. Each of the bottom fold lines 472A extends obliquely between the bottom attachment heat seal point 441A and the sub-bottom wall fold line 371A. Wherein the bottom fold lines 473A connected to the same bottom attachment heat seal point 441A are joined at the respective bottom attachment heat seal points 441A. The bottom folding line 471A and the sub bottom wall bending seam 371A meet at a bottom bending point 471A. A bottom bending line 481A is formed between the bottom bending points 471A of the two corresponding bottom folding lines 471A. It is worth mentioning that the bottom bending line 481A may be separately provided, or may be folded by the separation slit 31A.
After folding along the respective bottom fold line 472A and the respective bottom fold line 481A, the bottom fluid cell 1312A between the sub-bottom wall bends 371A is separated into at least one bottom wall fluid cell 13121A and at least one bottom reinforcing wall fluid cell 13122A, i.e., the bottom wall fluid cell 13121A between the four bottom fold points 4711A forms the bottom wall 1011A of the package wall 101A, as shown in fig. 7-11. The bottom reinforcing wall 1012A is formed by being folded along the bottom folding line 481A and the sub bottom wall folding seam 371A, that is, the bottom reinforcing wall 1012A is formed by the bottom reinforcing wall fluid cell 13122A between the bottom folding line 481A and the bottom folding line 472A. The bottom reinforcing walls 1012A on both sides are fixed to the lower end of the bottom wall 1011A by the joining of the bottom joining heat-seal lands 441A. The bottom reinforcing wall 1012A and the bottom wall 1011A are arranged in a stacked and crossed manner, so that the cushioning performance of the bottom of the square fluid packaging bag is enhanced.
Accordingly, after folding along the respective top fold line 473A and the respective top bend line 482A, the top fluid cells 1322A between the sub-top wall bends 373A are separated into at least one top wall fluid cell 13221A and at least one top reinforcing wall fluid cell 13222A, i.e., the top wall fluid cells 13221A between the four top bend points 472A form the top wall 1021A of the top side wall 102A. The top reinforcing wall 1022A is formed by being folded along the top bend fold line 482A and the sub top wall bend seam 373A, that is, the top reinforcing wall fluid cells 13222A between the top bend fold line 482A and the top fold line 473A form the top reinforcing wall 1022A. The top reinforcing walls 1022A on both sides are fixed to the lower end of the top wall 1021A by the joining of the top connecting heat-seal lands 442A. The top reinforcing wall 1022A is arranged to be overlapped with the top wall 1021A in a crossing manner, so that the bottom of the square fluid packing bag is enhanced in cushioning performance.
It is worth mentioning that the bottom reinforcing wall 1012A and the top reinforcing wall 1022A can be made as a fluid column with a reduced thickness, with the addition of heat-seal lines to reduce the amount of fluid to be charged. That is, each bottom reinforcing wall fluid cell 13122A and each top reinforcing wall fluid cell 13222A forming the bottom reinforcing wall 1012A and the top reinforcing wall 1022A may further reduce the amount of charged fluid by providing a plurality of secondary end seals, thereby reducing the thickness of the bottom reinforcing wall 1012A and the top reinforcing wall 1022A. The invention is not so limited.
It is understood that each bottom reinforced wall fluid cell 13122A of the bottom reinforced wall 1012A and the bottom wall fluid cell 13121A forming the bottom wall 1011A are in a crossed arrangement. Accordingly, each top reinforcing wall fluid cell 13222A of the top reinforcing wall 1022A and the top wall fluid cell 13221A forming the top wall 1021A are in a crossed arrangement.
Therefore, the square fluid packing device of the present invention forms a containing chamber 100A for packing the articles to be packed. The shape of the containing cavity 100A is square, and the containing cavity can be used for packaging square articles to be packaged, but it is understood that other shapes of articles to be packaged can be packaged, and the invention is not limited thereto.
It is worth mentioning that in this embodiment of the present invention, the top side wall 102A has a self-resilient force when the lid of the square fluid packaging device is opened and is acted on by the fluid. Thus, when the product to be packaged is placed in the containing cavity 100A, the top sidewall 102A automatically springs back to the closed state of the square fluid packaging device.
It will be appreciated by those skilled in the art that, in the modified embodiment based on the above embodiment, the main modifications may be the relative positions of the bottom reinforcing wall 1012A and the bottom wall 1011A, and the top reinforcing wall 1022A and the top wall 1021A. That is, the bottom reinforcing wall 1012A may be further fixed to the upper end of the bottom wall 1011A, and the top reinforcing wall 1022A may be further fixed to the lower end of the top wall 1021A, that is, the bottom reinforcing wall 1012A and the top reinforcing wall 1022A are located at the bottom side of the inside of the square fluid packaging apparatus. The invention is not so limited.
It is to be understood that the reinforcing wall 1012 of the above preferred embodiment, the bottom reinforcing wall 1012A and the top reinforcing wall 1022A of the other embodiment are the same, and are all implementations of the reinforcing wall structure for enhancing cushioning performance of the present invention, except that the position of the reinforcing wall structure is different in the square fluid-packing device, and the present invention is not limited thereto.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (19)
1. A square fluid packaging apparatus for cushioning at least one object to be packaged by fluid, comprising: the fluid buffer body is formed by at least two layers of fluid storage films and comprises a plurality of fluid storage units, each fluid storage unit is subjected to plastic sealing and bending and is filled with fluid to form at least one packaging wall of the square fluid packaging device, each packaging wall comprises a bottom wall and a peripheral wall to form at least one square accommodating cavity for packaging the to-be-packaged object, the packaging wall further comprises two reinforcing walls overlapped with the bottom wall, the two reinforcing walls are connected to enhance the buffer performance of the square fluid packaging device, and a gap is formed between the reinforcing walls and the bottom wall.
2. A square fluid packaging device of claim 1, wherein the end of said reinforcing wall is formed by heat sealing or adhesive bonding and has a triangular shape, wherein the side edges of said reinforcing wall are arc-shaped to fit the hand.
3. The square fluid packaging device of claim 1, further comprising at least one top sidewall connected to said package wall, said package wall and said top sidewall forming said square containment well that is sealable.
4. A square fluid packaging device of claim 3, further comprising two reinforcing walls of another top side arranged in a stack with said top side walls and connected at their top ends, wherein said reinforcing walls of the top side have a gap with said top side walls.
5. A square fluid packaging apparatus as defined in claim 3, wherein each of the fluid storage units further comprises at least one packaging wall fluid unit and at least one top sidewall fluid unit in communication after being plastically bent by a series of planar and three-dimensional plastic sealing seams, the packaging wall fluid units being connected to form the packaging wall, and the top sidewall fluid units being connected to form the top sidewall.
6. The square fluid packaging device as claimed in claim 5, wherein said packaging wall fluid cells further comprise at least one bottom wall fluid cell, at least one perimeter wall fluid cell and at least one reinforcing wall fluid cell in communication, said bottom wall fluid cells being connected to form said bottom wall, said perimeter wall fluid cells being connected to form said perimeter wall, said reinforcing wall fluid cells being connected to form said reinforcing wall, wherein said reinforcing wall fluid cells of said reinforcing wall and said bottom wall fluid cells forming said bottom wall are in a cross-laminated arrangement.
7. The square fluid packaging device according to claim 6, wherein each of the reinforcing wall fluid cells is disposed outside the square-shaped housing chamber.
8. The square fluid packaging device according to claim 6, wherein each of the reinforcing wall fluid cells is disposed within the square-shaped receiving cavity.
9. A square fluid packaging apparatus as defined in claim 4, wherein said top side wall further comprises at least one top wall and at least one top annular wall, said top annular wall being connected to said top wall, each of said reinforcing walls of the top side being connected to said top wall and being triangular in shape and being in a stacked arrangement with said top wall, wherein the sides of said reinforcing walls are arcuate in shape to fit the hand.
10. The square fluid packaging device according to claim 9, wherein each fluid storage unit further comprises at least one packaging wall fluid unit and at least one top sidewall fluid unit which are communicated with each other after being plastically bent by a series of flat plastic sealing seams and three-dimensional plastic sealing seams, the packaging wall fluid units are connected to form the packaging wall, the top sidewall fluid units are connected to form the top sidewall, the top sidewall fluid unit further comprises at least one top wall fluid unit, at least one top ring wall fluid unit and at least one reinforcing wall fluid unit which are communicated with each other, the top wall fluid units are connected to form the top wall, the top ring wall fluid units are connected to form the top ring walls, and the reinforcing wall fluid units are connected to form the reinforcing wall.
11. The square shaped fluid packaging device of claim 10, wherein each of said reinforcing wall fluid cells of said reinforcing wall on the top side and each of said top wall fluid cells forming said top wall are in a cross-ply arrangement.
12. A square fluid packaging device according to claim 10, wherein each of said reinforcing wall fluid cells is disposed outside said square-shaped containment chamber.
13. A square shaped fluid packaging device as claimed in claim 10, wherein each of said reinforcing wall fluid cells is disposed within said square shaped containment chamber.
14. The square shaped fluid packaging device as claimed in any one of claims 6 to 8, wherein each of said reinforcing wall fluid cells of said reinforcing wall and each of said bottom wall fluid cells forming said bottom wall are each of different or same size in diameter, wherein the size in diameter of said reinforcing wall fluid cells fits the grip of a human hand.
15. The square shaped fluid packaging device as claimed in any one of claims 10 to 13, wherein each of the reinforcing wall fluid cells of the reinforcing wall and each of the top wall fluid cells forming the top wall are each of different or same size in diameter, wherein the size in diameter of the reinforcing wall fluid cells fits the grip of a human hand.
16. The square fluid packaging device as claimed in any one of claims 1 to 13, wherein the peripheral wall, the bottom wall and the reinforcing wall are integrally formed.
17. The square shaped fluid packaging device as claimed in any one of claims 9 to 13, wherein the top wall, the top ring wall and the reinforcing wall are integrally formed.
18. The square fluid packaging device according to any one of claims 1 to 13, wherein the fluid cushion body is formed by heat-sealing and folding a first fluid storage film and a second fluid storage film, the fluid cushion body forms at least one fluid inlet and at least one main channel, and at least one fluid filling valve is provided in the fluid cushion body, fluid enters the main channel from the fluid inlet, and enters each of the fluid storage units from the main channel via the fluid filling valve.
19. The square fluid packaging device of claim 18, wherein said fluid filling valve comprises two valve films heat sealed to said first fluid storage film and said second fluid storage film of said fluid cushion body, respectively, said two valve films forming at least one fluid passage therebetween, inner surfaces of said two valve films automatically adhering together when said fluid storage unit is filled with fluid through said fluid passage to prevent reverse osmosis of fluid entering said fluid filling storage unit from said fluid passage.
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| CN201510465011 | 2015-07-31 | ||
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| CN205998396U (en) * | 2015-07-31 | 2017-03-08 | 张嘉盈 | Square fluid packing device |
| CN108609279B (en) * | 2018-04-19 | 2020-04-24 | 中国民用航空总局第二研究所 | Emergency or preventive disposal bag for lithium battery and electronic equipment containing lithium battery |
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| CN205998396U (en) * | 2015-07-31 | 2017-03-08 | 张嘉盈 | Square fluid packing device |
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| EP0352321A4 (en) * | 1988-01-15 | 1991-12-11 | Free Flow Packaging Corporation | Improved bubble-type cushioning and packaging sheet and method of manufacture |
| CN2841559Y (en) * | 2005-07-11 | 2006-11-29 | 上海尼禄国际贸易有限公司 | O-type self-sticking film refused air stereo packing bag |
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| CN205998396U (en) | 2017-03-08 |
| CN106081357A (en) | 2016-11-09 |
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Effective date of registration: 20240815 Address after: 312000 Building B, 1st Floor, Wangdou Road (Intelligent Home Appliance Industrial Park), Doumen Street, Yuecheng District, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG YINGNAWEI PACKAGING MATERIALS CO.,LTD. Country or region after: China Address before: 5th Floor, Gaoxiang Building, No. 355 Futexi 1st Road, Waigaoqiao Free Trade Zone, Pudong, Shanghai Patentee before: Zhang Jiaying Country or region before: Canada Patentee before: Nie Huiping Country or region before: China |
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