US20050003121A1 - Air passage structure and air-filling cushioning material using the same - Google Patents
Air passage structure and air-filling cushioning material using the same Download PDFInfo
- Publication number
- US20050003121A1 US20050003121A1 US10/880,538 US88053804A US2005003121A1 US 20050003121 A1 US20050003121 A1 US 20050003121A1 US 88053804 A US88053804 A US 88053804A US 2005003121 A1 US2005003121 A1 US 2005003121A1
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- Prior art keywords
- air
- air passage
- cells
- bag
- cushioning material
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/18—Resilient soles
- A43B13/20—Pneumatic soles filled with a compressible fluid, e.g. air, gas
- A43B13/203—Pneumatic soles filled with a compressible fluid, e.g. air, gas provided with a pump or valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Definitions
- the present invention relates to, in an air-filling cushioning material for packing so as to prevent damaging an article to be protected, an air passage structure and an air-filling cushioning material using the same.
- an air-filling cushioning material manufactured by overlapping soft resin sheets and forming an air-filling portion having a space where air can be filled between the sheets has been widely used.
- the article to be protected in contact with the air-filling portion of the air-filling cushioning material By bringing the whole or part of the article to be protected in contact with the air-filling portion of the air-filling cushioning material, the article can be protected against an external shock.
- an air-filling cushioning material by the applicant of the present application as disclosed in Japanese Published Unexamined Patent Application No. H07-285581 exists.
- cells of air-filling portions in this cushioning material are the same in a planar view are formed in a sectioned manner by adhering airtight soft resin sheets. An article brought in contact with the air-filling cushioning material is protected by a cushioning effect of the cells where air is filled.
- the cells are plurally formed in parallel, and an air passage is formed at one side end thereof so as to be orthogonal to the respective cells.
- This air passage is closed at one side end in the longitudinal direction and is opened at the other side end.
- air can be supplied through a nozzle inserted into this opening end portion and filled in the cells via the air passage.
- This conventional air passage is, however, a flat air passage formed by one and the other sheets constituting an air-filling cushioning material. It is necessary to have a space between the overlapped sheets by separating them in inserting an air-supplying nozzle into the opening end portion of the air passage. In the case the sheets closely contact, the supply of air can be hindered, causing a decline in production efficiency.
- a cylindrical body made of a hard resin or the like is disposed at the opening end portion of the air passage in some cases.
- the supply of air into the air passage can be easily carried out in comparison with the above-described case, attachment of a cylindrical body like that may increase the production costs and is not preferable in the end.
- an object of the present invention to provide an air passage structure and an air-filling cushioning material using the same which facilitates the supply of air into an air passage and leads to a decrease in the production costs in comparison with the conventional one.
- an aspect of the present invention provides an air passage structure provided for a bag 1 that is formed with flexible sheets 1 a , 1 b by adhering the overlapped sheets 1 a , 1 b at predetermined spots, comprising a closed portion 2 having a space where air can be circulated, and an air passage 3 for passing air between the outside of the bag 1 and the closed portion 2 .
- the air passage 3 is provided with an enlarged portion 31 having an opening portion 3 a opened to the outside of the bag 1 .
- the enlarged portion 31 is formed by enlargement of the air passage 3 by deforming at least one of the sheets.
- an aspect of the present invention provides an air passage structure provided for a bag 1 that is formed with flexible sheets 1 a , 1 b by adhering the overlapped sheets 1 a , 1 b at predetermined spots, comprising a closed portion 2 having a space where air can be circulated, and an air passage 3 for passing air between the outside of the bag 1 and the closed portion 2 .
- the air passage 3 is provided with an enlarged portion 31 having an opening portion 3 a opened to the outside of the bag 1 and a flat portion 32 .
- the enlarged portion 31 and the flat portion 32 are situated from the opening portion 3 a in this order.
- the side length L2 of the enlarged portion 31 is formed longer than the side length L1 of the flat portion 32 .
- the “side length” referred hereinto in the present invention as claimed in the application means, in the air passage 3 on which seals 4 have been formed by heat-sealing or the like to form the sheets in a sectioned manner, a path length along the sheets between one seal 4 and the other seal 4 .
- an aspect of the present invention according to claim 3 provides the air passage structure as set forth in claim 1 or 2 , wherein, viewing a cross sectional shape of the air passage 3 , the side length L2 of the other sheet 1 b is formed longer than the side length L3 of the one sheet 1 a where the enlarged portion 31 of the air passage 3 is constituted.
- an aspect of the present invention according to claim 4 provides an air-filling cushioning material having the air passage 3 as set forth in any of claims 1 through 3 , wherein a closed portion 2 is composed of a plurality of cells formed in a manner so as to be in parallel. And the respective cells 21 are formed so as to branch off in a direction to cross the air passage 3 and have a space closed except for a communicating portion 5 that communicates with the air passage 3 .
- the communicating portion 5 is provided with a check valve 51 for permitting an air-flow from the air passage 3 to the cells 21 and checking an air-flow in a reverse direction.
- the respective cells 21 are filled with air supplied from an opening portion 3 a via the air passage 3 , thus producing a cushioning effect to an article which is brought into contact with the inflated cells 21 .
- the present invention as claimed in the application can provide an air passage structure, wherein an opening portion 3 a is provided at an enlarged portion 31 formed by enlarging the air passage 3 , thus the supply of air from the enlarged portion 3 a into the air passage 3 is efficient. Moreover, since the air-filling cushioning material 1 , contrary to the conventional one, does not need to be disposed with a cylindrical body made of a hard resin or the like at the opening portion 3 a , the production costs will not increase.
- FIG. 1 is a plan view showing an air-filling cushioning material
- FIGS. 2 (A) to 2 (C) are explanatory drawings of sectional views exemplifying the shapes of an enlarged portion of an air passage
- FIG. 2 (D) is an explanatory drawing of a sectional view exemplifying the shape of a flat portion of the air passage.
- airtight sheets 1 a , 1 b which are deformable in response to the later-described cells 21 (a closed portion 2 ) when air is filled therein.
- soft resin sheets concretely, two flat sheets of a multi-layer structure by way of sticking polyethylene, non-stretch nylon or the like together are used.
- the cells 21 formed in the present embodiment as shown in FIG. 1 are strip-like cells that are long and thin in the vertical direction and are adjacent to each other in the horizontal direction.
- the present invention is not limited to these cells, a single closed portion 2 may be formed without being divided.
- the shape of the cells 21 is not limited to the illustrated mode.
- the present invention can be carried out in various modes, such as circular or elliptic connecting cells, or cells 21 which widths are different depending on the position.
- the cell 21 of the present embodiment is opened at its upper end portion of the drawing as a communicating portion 5 , and its lower end portion is closed by a seal 4 .
- a check valve 51 is provided at the communicating portion 5 , and the cell 21 and the air passage 3 to be described later are communicated via this check valve 51 .
- a check valve 51 may be provided in the vicinity of the enlarged portion 31 of the air passage 3 .
- a check valve 51 is not necessarily provided.
- the communicating portion 5 may be closed by means of heat-sealing or the like. That is, it is sufficient to provide a closing means for closing the communicating portion 5 after filling air in the cell 21 so that the filled air does not escape outside the air-filling cushioning material.
- a concrete means is not limited thereto accordingly.
- the check valve 51 used in the present embodiment is made of a small piece of a soft resin sheet and has a flat and cylindrical shape where both ends are opened, thereby permitting an air-flow from one side end portion to the other, namely, an air-flow from the air passage 3 to the respective cells 21 in the present embodiment, and checking an air-flow in the reverse direction.
- a check valve disposed with a valve body seat capable of closing an air passage inside the check valve 51 or a check valve formed with a partial seal so as to increase resistance against an air-flow in certain direction becomes large in comparison with one in the reverse direction.
- the mode for carrying out the check valve 51 is, however, not limited to these examples, and various check valves can be provided.
- the check valve 51 is provided for each cell 21 in the air-filling cushioning material 1 of the present embodiment 1, even if one of the cells 21 is damaged, deflation arises only on the damaged cell 21 . No influence is exerted on the other cells 21 , and a cushioning effect of the air-filling cushioning material 1 can be maintained.
- the air passage 3 in the present embodiment is a band-like passage positioned at an upper side of the cells 21 in the drawing and formed in the horizontal direction so as to be orthogonal to each of the respective cells 21 .
- This air passage 3 is opened at the right end side thereof in the drawing as an opening portion 3 a , and is closed at the left end side 3 b thereof by a seal 4 .
- This opening portion 3 a serves as an inlet to supply air in the internal space of the cells 21 .
- the cells 21 are formed so as to branch off from the air passage 3 , and air is filled in the cells 21 from the opening portion 3 a of the air passage 3 . Air can thus be simultaneously filled in the plurality of cells 21 via the air passage 3 , achieving the efficient supply of air.
- the air passage 3 has a space thereinside where air can be circulated between the respective sheets 1 a , 1 b that are overlapped one sheet 1 a and the other sheet 1 b constituting an air-filling cushioning material 1 .
- the air passage 3 is composed of an enlarged portion 31 and a flat portion 32 , and the above-mentioned opening portion 3 a corresponds to an end opening part of this enlarged portion 31 .
- the air passage 3 may be composed only of the enlarged portion 31 without the flat portion 32 .
- the flat portion 32 is a portion simply formed by overlapping the flat sheets 1 a , 1 b like that of the conventional air-filling cushioning material.
- the enlarged portion 31 is a portion formed continuously to the flat portion 32 , and the internal space of the air passage 3 is formed at this enlarged portion 31 in an enlarged manner. That is, the air passage 3 has in this enlarged portion 31 the side length L2 (illustrated in FIG. 2 (A)) of the enlarged portion 31 formed longer than the side length L1 (illustrated in FIG. 2 (D)) of the flat portion 32 in terms of a cross sectional view. Since the side length is longer as such, the sheet 1 b at the enlarged portion 31 is disposed in a slackening state in comparison with the flat portion 32 .
- FIG. 2 (A) shows a shape formed in combination with a flat sheet 1 a and the other sheet 1 b deformed in a semicircular form.
- FIG. 2 (B) shows a shape formed in combination with a flat sheet 1 a and the other sheet 1 b deformed by bending in an approximately V-shape so that the side length L2 of the other sheet 1 b becomes longer compared to the side length L3, viewing a cross sectional shape of the air passage 3 .
- FIG. 2 (C) shows a shape formed in combination with one sheet 1 a and the other sheet 1 b deformed in a semicircular shape respectively.
- the shape of the enlarged portion 30 is, however, not limited to these examples. As long as a deformed sheet is used for at least either one sheet 1 a or the other sheet 1 b in the enlarged portion 31 and the internal space of the enlarged portion 31 is formed in an enlarged manner, the present invention may be modified and carried out in various modes.
- the dimensions can be set corresponding to an air-supplying nozzle.
- the enlarged portion 31 is formed with a depth dimension of approximately 50 mm and a width dimension of approximately 20 mm so as to suit for a nozzle with a diameter of approximately 8 mm to 10 mm.
- the present invention can be carried out by various methods, such as a method of closely fitting, by suction or the like, at least either sheet to a metal mold having a concavity in a position where the enlarged portion 31 is to be formed and overlapping, in this condition, one sheet 1 a and the other sheet 1 b and forming seals 4 .
- the planar air-filling cushioning material 1 formed as shown in FIG. 1 can be utilized in various modes. Air can be filled into the cells 21 while maintaining this planar form. Also, an envelop-like or box-like three-dimensional shape may be utilized by folding up the air-filling cushioning material 1 .
- the present invention can be carried out in various modes as usage.
- the check valve 51 may be attached so as to be operable to open from the outside of the air-filling cushioning material 1 , or an opening and closing means such as a fastener may be provided on the respective cells 21 , whereby some usage can be possible, such as inflating the cells 21 only at necessary portion, or deflating the air-filling cushioning material 1 by deaering the air-filled cells 21 after use and refilling air in using the same again.
- a slit may be formed beforehand on the air-filling cushioning material 1 so that the cells 21 can be torn from the slit in dumping.
- a cover e.g. a detachable one, for a deaering opening portion may be provided on the cell 21 so as to deflate the cell 21 easily, reducing the same in volume.
- the structure of the air passage 3 in the present invention is not limited to such an air-filling cushioning material 1 as in the present embodiment.
- This structure of the air passage 3 is applicable to any type of a bag 1 as long as a closed portion 2 has been formed therein, such as a deaering bag or a balloon or an air mattress.
- a deaerating bag the air in the closed portion 2 having a space where air can be circulated, is discharged outside of the bag 1 .
Abstract
Description
- 1. Field of the Invention
- The present invention relates to, in an air-filling cushioning material for packing so as to prevent damaging an article to be protected, an air passage structure and an air-filling cushioning material using the same.
- 2. Description of Background Art
- Conventionally, an air-filling cushioning material manufactured by overlapping soft resin sheets and forming an air-filling portion having a space where air can be filled between the sheets has been widely used. By bringing the whole or part of the article to be protected in contact with the air-filling portion of the air-filling cushioning material, the article can be protected against an external shock.
- As an example of such an air-filling cushioning material as described above, an air-filling cushioning material by the applicant of the present application as disclosed in Japanese Published Unexamined Patent Application No. H07-285581 exists. Like the air-filing cushioning material shown in
FIG. 1 , cells of air-filling portions in this cushioning material are the same in a planar view are formed in a sectioned manner by adhering airtight soft resin sheets. An article brought in contact with the air-filling cushioning material is protected by a cushioning effect of the cells where air is filled. - Herein, the cells are plurally formed in parallel, and an air passage is formed at one side end thereof so as to be orthogonal to the respective cells. This air passage is closed at one side end in the longitudinal direction and is opened at the other side end.
- Accordingly, air can be supplied through a nozzle inserted into this opening end portion and filled in the cells via the air passage.
- This conventional air passage is, however, a flat air passage formed by one and the other sheets constituting an air-filling cushioning material. It is necessary to have a space between the overlapped sheets by separating them in inserting an air-supplying nozzle into the opening end portion of the air passage. In the case the sheets closely contact, the supply of air can be hindered, causing a decline in production efficiency.
- In order to prevent such a situation, a cylindrical body made of a hard resin or the like is disposed at the opening end portion of the air passage in some cases. Although the supply of air into the air passage can be easily carried out in comparison with the above-described case, attachment of a cylindrical body like that may increase the production costs and is not preferable in the end.
- In view of the above-described problem, it is an object of the present invention to provide an air passage structure and an air-filling cushioning material using the same which facilitates the supply of air into an air passage and leads to a decrease in the production costs in comparison with the conventional one.
- In order to achieve the above-described object, an aspect of the present invention according to
claim 1 provides an air passage structure provided for abag 1 that is formed withflexible sheets sheets portion 2 having a space where air can be circulated, and anair passage 3 for passing air between the outside of thebag 1 and the closedportion 2. Theair passage 3 is provided with an enlargedportion 31 having an opening portion 3 a opened to the outside of thebag 1. The enlargedportion 31 is formed by enlargement of theair passage 3 by deforming at least one of the sheets. - Also, an aspect of the present invention according to
claim 2 provides an air passage structure provided for abag 1 that is formed withflexible sheets sheets portion 2 having a space where air can be circulated, and anair passage 3 for passing air between the outside of thebag 1 and the closedportion 2. Theair passage 3 is provided with an enlargedportion 31 having an opening portion 3 a opened to the outside of thebag 1 and aflat portion 32. The enlargedportion 31 and theflat portion 32 are situated from the opening portion 3 a in this order. And, viewing a cross sectional shape of theair passage 3, the side length L2 of the enlargedportion 31 is formed longer than the side length L1 of theflat portion 32. - The “side length” referred hereinto in the present invention as claimed in the application means, in the
air passage 3 on whichseals 4 have been formed by heat-sealing or the like to form the sheets in a sectioned manner, a path length along the sheets between oneseal 4 and theother seal 4. - In addition, an aspect of the present invention according to
claim 3 provides the air passage structure as set forth inclaim air passage 3, the side length L2 of theother sheet 1 b is formed longer than the side length L3 of the onesheet 1 a where the enlargedportion 31 of theair passage 3 is constituted. - Further, an aspect of the present invention according to
claim 4 provides an air-filling cushioning material having theair passage 3 as set forth in any ofclaims 1 through 3, wherein a closedportion 2 is composed of a plurality of cells formed in a manner so as to be in parallel. And therespective cells 21 are formed so as to branch off in a direction to cross theair passage 3 and have a space closed except for a communicatingportion 5 that communicates with theair passage 3. The communicatingportion 5 is provided with acheck valve 51 for permitting an air-flow from theair passage 3 to thecells 21 and checking an air-flow in a reverse direction. Therespective cells 21 are filled with air supplied from an opening portion 3 a via theair passage 3, thus producing a cushioning effect to an article which is brought into contact with the inflatedcells 21. - The present invention as claimed in the application can provide an air passage structure, wherein an opening portion 3 a is provided at an enlarged
portion 31 formed by enlarging theair passage 3, thus the supply of air from the enlarged portion 3 a into theair passage 3 is efficient. Moreover, since the air-fillingcushioning material 1, contrary to the conventional one, does not need to be disposed with a cylindrical body made of a hard resin or the like at the opening portion 3 a, the production costs will not increase. - Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
- The present invention will become more fully understood from the detailed description given hereinbelow and the accompanying drawings, which are given by way of illustration only, and thus are not limitative of the present invention, and wherein:
-
FIG. 1 is a plan view showing an air-filling cushioning material; - FIGS. 2(A) to 2(C) are explanatory drawings of sectional views exemplifying the shapes of an enlarged portion of an air passage, and
FIG. 2 (D) is an explanatory drawing of a sectional view exemplifying the shape of a flat portion of the air passage. - Hereinafter, an air-filling cushioning material with an air passage structure according to an embodiment of the present invention will be described together with the drawings.
- For the material of an air-filling
cushioning material 1 of this invention, used areairtight sheets - These
sheets seals 4 are formed thereon at a plurality of spots by means of heat-sealing or the like, whereby a closedportion 2 having a space where air can be circulated is formed. In the present embodiment, as shown inFIG. 1 , a plurality ofcells 21 paralleled in the horizontal direction are formed as a closedportion 2. And, together with anair passage 3 positioned above thecells 21 and communicating with thecells 21, a planar air-fillingcushioning material 1 is formed. - The
cells 21 formed in the present embodiment as shown inFIG. 1 are strip-like cells that are long and thin in the vertical direction and are adjacent to each other in the horizontal direction. However, the present invention is not limited to these cells, a single closedportion 2 may be formed without being divided. Also, the shape of thecells 21 is not limited to the illustrated mode. The present invention can be carried out in various modes, such as circular or elliptic connecting cells, orcells 21 which widths are different depending on the position. - The
cell 21 of the present embodiment is opened at its upper end portion of the drawing as a communicatingportion 5, and its lower end portion is closed by aseal 4. Acheck valve 51 is provided at the communicatingportion 5, and thecell 21 and theair passage 3 to be described later are communicated via thischeck valve 51. - Herein, without providing a
check valve 51 for eachcell 21 as in the present embodiment, for example, acheck valve 51 may be provided in the vicinity of the enlargedportion 31 of theair passage 3. - In the present invention, a
check valve 51 is not necessarily provided. For example, after being filled with air in thecells 21, the communicatingportion 5 may be closed by means of heat-sealing or the like. That is, it is sufficient to provide a closing means for closing the communicatingportion 5 after filling air in thecell 21 so that the filled air does not escape outside the air-filling cushioning material. A concrete means is not limited thereto accordingly. - Although not described in detail, the
check valve 51 used in the present embodiment is made of a small piece of a soft resin sheet and has a flat and cylindrical shape where both ends are opened, thereby permitting an air-flow from one side end portion to the other, namely, an air-flow from theair passage 3 to therespective cells 21 in the present embodiment, and checking an air-flow in the reverse direction. Exemplified are a check valve disposed with a valve body seat capable of closing an air passage inside thecheck valve 51, or a check valve formed with a partial seal so as to increase resistance against an air-flow in certain direction becomes large in comparison with one in the reverse direction. The mode for carrying out thecheck valve 51 is, however, not limited to these examples, and various check valves can be provided. - Since the
check valve 51 is provided for eachcell 21 in the air-fillingcushioning material 1 of thepresent embodiment 1, even if one of thecells 21 is damaged, deflation arises only on the damagedcell 21. No influence is exerted on theother cells 21, and a cushioning effect of the air-fillingcushioning material 1 can be maintained. - The
air passage 3 in the present embodiment is a band-like passage positioned at an upper side of thecells 21 in the drawing and formed in the horizontal direction so as to be orthogonal to each of therespective cells 21. Thisair passage 3 is opened at the right end side thereof in the drawing as an opening portion 3 a, and is closed at theleft end side 3 b thereof by aseal 4. This opening portion 3 a serves as an inlet to supply air in the internal space of thecells 21. - In other words, the
cells 21 are formed so as to branch off from theair passage 3, and air is filled in thecells 21 from the opening portion 3 a of theair passage 3. Air can thus be simultaneously filled in the plurality ofcells 21 via theair passage 3, achieving the efficient supply of air. - The
air passage 3 has a space thereinside where air can be circulated between therespective sheets sheet 1 a and theother sheet 1 b constituting an air-fillingcushioning material 1. In the present embodiment, theair passage 3 is composed of anenlarged portion 31 and aflat portion 32, and the above-mentioned opening portion 3 a corresponds to an end opening part of thisenlarged portion 31. Theair passage 3 may be composed only of theenlarged portion 31 without theflat portion 32. - As shown in
FIG. 2 (D), theflat portion 32 is a portion simply formed by overlapping theflat sheets - The
enlarged portion 31 is a portion formed continuously to theflat portion 32, and the internal space of theair passage 3 is formed at thisenlarged portion 31 in an enlarged manner. That is, theair passage 3 has in thisenlarged portion 31 the side length L2 (illustrated inFIG. 2 (A)) of theenlarged portion 31 formed longer than the side length L1 (illustrated inFIG. 2 (D)) of theflat portion 32 in terms of a cross sectional view. Since the side length is longer as such, thesheet 1 b at theenlarged portion 31 is disposed in a slackening state in comparison with theflat portion 32. - Followings are examples of the shape of this
enlarged portion 31.FIG. 2 (A) shows a shape formed in combination with aflat sheet 1 a and theother sheet 1 b deformed in a semicircular form.FIG. 2 (B) shows a shape formed in combination with aflat sheet 1 a and theother sheet 1 b deformed by bending in an approximately V-shape so that the side length L2 of theother sheet 1 b becomes longer compared to the side length L3, viewing a cross sectional shape of theair passage 3.FIG. 2 (C) shows a shape formed in combination with onesheet 1 a and theother sheet 1 b deformed in a semicircular shape respectively. The shape of the enlarged portion 30 is, however, not limited to these examples. As long as a deformed sheet is used for at least either onesheet 1 a or theother sheet 1 b in theenlarged portion 31 and the internal space of theenlarged portion 31 is formed in an enlarged manner, the present invention may be modified and carried out in various modes. - With regard to a depth dimension W and a width dimension H of the
enlarged portion 31 shown inFIG. 1 , the dimensions can be set corresponding to an air-supplying nozzle. In the present embodiment, theenlarged portion 31 is formed with a depth dimension of approximately 50 mm and a width dimension of approximately 20 mm so as to suit for a nozzle with a diameter of approximately 8 mm to 10 mm. - As a method for forming the
enlarged portion 31 in the present embodiment, while inserting a pipe or a stick-like body between onesheet 1 a and theother sheet 1 b in a position where theenlarged portion 31 is to be formed,seals 4 to adhere bothsheets enlarged portion 31 is to be formed and overlapping, in this condition, onesheet 1 a and theother sheet 1 b and formingseals 4. - Filling air into the
cells 21 of the air-fillingcushioning material 1 wherein theenlarged portion 31 has been formed as such is carried out like the conventional art by inserting a nozzle or the like into the opening portion 3 a. Thereby, air supplied by a nozzle or the like passes through theair passage 3 and reaches therespective cells 21 via thecheck valves 51. In the present embodiment, since thecheck valves 51 are provided for therespective cells 21, thecells 21 can maintain an inflated condition after being filled with air. - The planar air-filling
cushioning material 1 formed as shown inFIG. 1 can be utilized in various modes. Air can be filled into thecells 21 while maintaining this planar form. Also, an envelop-like or box-like three-dimensional shape may be utilized by folding up the air-fillingcushioning material 1. The present invention can be carried out in various modes as usage. - In order for the cells to be inflatable or deflatable cell by cell, the
check valve 51 may be attached so as to be operable to open from the outside of the air-fillingcushioning material 1, or an opening and closing means such as a fastener may be provided on therespective cells 21, whereby some usage can be possible, such as inflating thecells 21 only at necessary portion, or deflating the air-fillingcushioning material 1 by deaering the air-filledcells 21 after use and refilling air in using the same again. - A slit may be formed beforehand on the air-filling
cushioning material 1 so that thecells 21 can be torn from the slit in dumping. Or a cover, e.g. a detachable one, for a deaering opening portion may be provided on thecell 21 so as to deflate thecell 21 easily, reducing the same in volume. - Application of the structure of the
air passage 3 in the present invention is not limited to such an air-fillingcushioning material 1 as in the present embodiment. This structure of theair passage 3 is applicable to any type of abag 1 as long as aclosed portion 2 has been formed therein, such as a deaering bag or a balloon or an air mattress. As for a deaerating bag, the air in theclosed portion 2 having a space where air can be circulated, is discharged outside of thebag 1. - The invention being thus described, it will be obvious that the same may be varied in many ways. Such variations are not to be regarded as a departure from the spirit and scope of the invention, and all such modifications as would be obvious to one skilled in the art are intended to be included within the scope of the following claims.
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003189933A JP2005022696A (en) | 2003-07-02 | 2003-07-02 | Structure of air passage, and air-sealed shock-absorbing material using the same |
JP2003-189933 | 2003-07-02 |
Publications (1)
Publication Number | Publication Date |
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US20050003121A1 true US20050003121A1 (en) | 2005-01-06 |
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ID=33549801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/880,538 Abandoned US20050003121A1 (en) | 2003-07-02 | 2004-07-01 | Air passage structure and air-filling cushioning material using the same |
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US (1) | US20050003121A1 (en) |
JP (1) | JP2005022696A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070170609A1 (en) * | 2004-11-10 | 2007-07-26 | Hyosung Corporation | Method for producing cellulose fiber |
US20070211234A1 (en) * | 2003-06-19 | 2007-09-13 | Nikon Corporation | Exposure apparatus, and device manufacturing method |
US20220104582A1 (en) * | 2020-10-07 | 2022-04-07 | Reebok International Limited | Vacuum Pump Assembly For Article Of Footwear |
-
2003
- 2003-07-02 JP JP2003189933A patent/JP2005022696A/en active Pending
-
2004
- 2004-07-01 US US10/880,538 patent/US20050003121A1/en not_active Abandoned
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070211234A1 (en) * | 2003-06-19 | 2007-09-13 | Nikon Corporation | Exposure apparatus, and device manufacturing method |
US20070170609A1 (en) * | 2004-11-10 | 2007-07-26 | Hyosung Corporation | Method for producing cellulose fiber |
US20220104582A1 (en) * | 2020-10-07 | 2022-04-07 | Reebok International Limited | Vacuum Pump Assembly For Article Of Footwear |
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JP2005022696A (en) | 2005-01-27 |
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