WO2005066031A1 - 圧縮袋の製造方法及び圧縮袋 - Google Patents
圧縮袋の製造方法及び圧縮袋 Download PDFInfo
- Publication number
- WO2005066031A1 WO2005066031A1 PCT/JP2004/001212 JP2004001212W WO2005066031A1 WO 2005066031 A1 WO2005066031 A1 WO 2005066031A1 JP 2004001212 W JP2004001212 W JP 2004001212W WO 2005066031 A1 WO2005066031 A1 WO 2005066031A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- seat
- compression bag
- air passage
- valve
- Prior art date
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Classifications
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- 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
- B65D81/18—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 providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—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 providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2155/00—Flexible containers made from webs
- B31B2155/002—Flexible containers made from webs by joining superimposed webs, e.g. with separate bottom webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/74—Auxiliary operations
- B31B70/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
- B31B70/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts
- B31B70/85—Applying patches or flexible valve inserts, e.g. applying film-like valves
Definitions
- the present invention relates to a compression bag for storing articles therein and evacuating the inside of the bag for use.
- a bag body is formed by adhering required portions of a flexible resin sheet by heat sealing or the like to form article storage sections 102 and 202 having a space surrounded by the sheet.
- Compression bags 101 and 201 are widely used.
- the compression bags 101 and 201 are provided with openings 103 and 203 for allowing articles M to enter and exit the article storage sections 102 and 202, respectively.
- the openings 103 and 203 are provided with closing means 104 and 204 such as chucks for sealing the openings 103 and 203 in a sealed state.
- closing means 104 and 204 such as chucks for sealing the openings 103 and 203 in a sealed state.
- FIG. 11 A simple illustration of this is a compression bag 101 having a check valve 105 as shown in FIG.
- the check valve 105 used for the compression bag 101 is made of a resin having flexibility so that the space of the article storage portion 102 and the outside of the compression bag 101 are continuous.
- An outer cylindrical portion 107 having a flat cylindrical shape, and a flexible resin sheet provided inside the outer cylindrical portion 107 as shown in FIG. 11 (B).
- Valve seat 106 Valve seat 106.
- the above-mentioned valve sheet 106 allows the airflow F1 from the article storage section 102 to the outside of the compression bag 101, and blocks the airflow F2 in the opposite direction.
- the compressed bag 101 is closed with the closing means 104, and the air in the article storage section 102 is transmitted through the check valve 105. After being discharged out of the bag, the degassing state can be maintained.
- the compression bag 101 in which M is stored can be compactly stored. Therefore, the compressed bag 101 is suitable as a storage bag for clothes or a travel organizer bag.
- this check valve 105 is manufactured separately from the bag sheets 102 a and 102 b constituting the article storage section 102, and is used when the article storage section 102 is formed later. Therefore, the process of manufacturing the check valve 105 and the process of mounting it in the article storage unit 102 are required, which complicates the manufacturing process of the compression bag 101. In addition, special manufacturing equipment must be used for this purpose, and this is also a factor that increases manufacturing costs.
- a heat seal 108 as shown in FIG. 11B is performed, and the article storage section 102 is closed.
- the bag sheets 102 a and 102 b that make up are bonded to the outer cylinder 107 of the check valve 105.
- the heat seal 108 is placed on both sides of the bag sheets 102 a and 102 b with the check valve 105 sandwiched between the bag sheets 102 a and 102 b. It is formed by pressing with a heated mold and crossing the check valve 105.
- the valve body sheet 106 may be The surface 106a on the side opposite to the inner surface of the outer cylinder portion 107 has a coating 106 for preventing the surface 106a from being melted by heat generated during heat sealing. b is applied. However, even when the paint 106 b is applied in this way, the inner surface of the outer cylinder 107 to which the paint 106 b is not applied is melted due to the heat at the time of heat sealing, and the actual In this case, the outer cylinder portion 107 and the valve body sheet 106 are lightly heat-sealed (light heat seal 109).
- this light heat seal 109 can be detached by a weak external force, when this light heat seal 109 is detached when the compression bag 101 is used for the first time, the outer cylinder part is removed. Until the check valve 1 105 is opened by separating the valve seat 1 106 from the valve body sheet 106, the internal pressure of the article storage unit 102 becomes high, so that the resistance at the time of degassing is increased. However, there is a drawback in that the bag sheets 102a and 102b of the article storage unit 102 may be ruptured in some cases. These were particularly noticeable problems when depressurizing the article storage unit 102 by hand. On the other hand, another form of the compression bag 201 is shown in FIG.
- a check valve 205 is formed as a degassing air passage between the first valve 206 and the second valve 206. The check valve 205 performs a check operation when the bag sheets 202a and 202b and the intermediate sheet 206 come into close contact with each other.
- the check valve 205 is integrally formed from the beginning, and unlike the compressed bag 101, there is an advantage that it can be manufactured in one step. Further, there is no problem that a light heat seal 109 is formed when the separate check valve 105 is assembled as described above.
- this compressed bag 201 has an intermediate sheet between the bag sheets 202a and 202b.
- An object of the present invention is to provide a method of manufacturing a compressed bag which can be securely held and has a small resistance even when degassing by hand, and which is easy to handle. Disclosure of the invention
- the invention described in claim 1 of the present application is directed to a flexible resin sheet or the like, and includes a plurality of constituent members 11, 1 2 which are continuous in the longitudinal direction and are continuous. , 3 1, 3 2 are supplied continuously in the longitudinal direction, and the above-mentioned components 11 1, 12, 3 1, 3 2 are superimposed on each other and bonded at predetermined positions, so that articles can be stored.
- At least one valve seat 3 1 with a smaller width dimension than 1 2 and front seat 1 1 It is arranged between at least one of the face sheets 1 and 2 and the valve body sheet 3 1, and uses a pedestal member 3 2 having a smaller width dimension than the valve body sheet 3 1.
- the above-mentioned sheets 11, 1, 2, 3 1, and 3 2 are bonded together.
- side seals 33 and S42 as side walls of the air passage 3 are formed, and a method for manufacturing a compressed bag is provided.
- the invention according to claim 2 of the present application is characterized in that the constituent members 11, 12, 31, and 32 are formed of a plurality of laminated resin films,
- the sheet 31 is a part of at least one of the front sheet 11 and the rear sheet 12, and among the laminated resin films constituting the front sheet 11 and the rear sheet 12, 2.
- the pedestal member 32 is formed of a thread.
- the invention described in claim 4 of the present application is characterized in that the bonding of each of the above-mentioned constituent members 11, 12, 31, 32 is such that a heated mold is pressed against each of the constituent members. At the position where the air passage 3 is formed, the above-mentioned mold is not pressed against each of the sheets 11, 12, 31, 32.
- the invention described in claim 5 of the present application is characterized in that a plurality of flexible resin sheets 11, 12, 31, 32 are overlapped and adhered at predetermined positions,
- a compression bag 1 formed with an article storage section 2 having a space capable of storing articles and an air passage section 3 having a space continuous with the space of the article storage section 2, a front sheet 11 and a front sheet A part of the back sheet 12 arranged opposite to 11 is bonded to the front sheet 11 or the back sheet 12 between the above-mentioned two sheets 11 1 and 12, and this part is attached.
- the front seat 11 or the rear seat 12 At least one valve body seat 3 1 positioned so that it can be approached and separated, and a front seat
- the pedestal member 32 is a valve seat.
- a compression bag characterized by maintaining a predetermined interval between the valve seat 31 and the front sheet 11 or the rear sheet 12 on the side to which the valve body sheet 31 is bonded.
- the invention according to claim 6 of the present application provides the compression bag according to claim 5, wherein the pedestal member 32 is formed of a thread.
- the invention described in claim 7 of the present application is characterized in that at least one end of the front sheet 11 and the rear sheet 12 is separately formed into two sheets, 6.
- a part of the base end side of the valve sheet 31 on the side of the article storage section 2 is the adhesive section 31b.
- the bonded portion 31b is bonded to the front sheet 11 or the rear sheet 12 described above, and the movable portion, which is a portion closer to the distal end than the bonded portion 31b of the valve body sheet 31.
- 3 1 c is movable inside the air passage 3
- the base member 3 2 is Of the movable portion 3 1 c in the direction from the distal end portion to the proximal end portion of the valve seat 31.
- valve sheet 31 in the air passage section 3, the valve sheet 31 is attached to the front sheet 11 or the rear sheet 12 by the above-mentioned bonding portion 3 1b and The pedestal member 32 is not adhered to the front sheet 11 or the rear sheet 12 except for the side seal 33 except for the side seal 33 which is the side wall of the air passage.
- the compression bag according to claim 8 is provided.
- two valve body sheets 31 are used, one of the valve body sheets 31 is bonded to the front sheet 11, and the other The valve body sheet 31 is adhered to the rear sheet 12, and the pedestal member 32 is provided between the front sheet 11 and the valve body sheet 31 on one side, and the rear sheet 12 and the other side. 6.
- the compression bag according to claim 5 characterized in that the compression bag is arranged between the valve body sheet 31 and the valve body sheet 31.
- the invention described in claim 11 of the present application is characterized in that a seat having a thickness greater than that of the valve body sheet 31 and having air permeability is used as the base member 32.
- a compression bag according to the fifth aspect is provided.
- the invention according to claim 12 of the present application provides the compression bag according to claim 5, wherein at least one air passage portion 3 is formed.
- the invention according to claim 13 of the present application is the valve seat 31, wherein the contact surface is a surface that is in close contact with any of the front seat 11, the rear seat 12, and the valve seat 31.
- an inert liquid 5 such as silicone oil is coordinated to 31a.
- FIG. 1 (A) is a plan view showing a compression bag according to an example of the embodiment of the present invention
- FIGS. 1 (B) and (C) are end views taken along the line AA of FIG. 1 (A). .
- FIG. 2 is an end view taken along the line B--B in FIG. 1 (A).
- FIG. 2 (A) corresponds to the state shown in FIG. 1 (B), and FIG. This corresponds to the state shown in (C).
- FIG. 3 is an exploded perspective view showing a configuration of a compression bag according to an example of the embodiment of the present invention.
- FIGS. 4 (A) and 4 (B) are each an end view showing an air passage portion of a compression bag according to another example of the embodiment of the present invention.
- FIG. 5 (A) is an enlarged plan view of a main part showing an air passage portion of a compression bag according to another example of the embodiment of the present invention
- FIG. 5 (B) is a view taken along the line CC of FIG. 5 (A).
- FIGS. 6 (A) and 6 (B) are each an end view showing an air passage portion of a compression bag according to another example of the embodiment of the present invention.
- FIGS. 7A and 7B are explanatory views showing the configuration of the front sheet used in the degassing bag shown in FIG. 6A.
- FIGS. 8 (A) and 8 (B) are enlarged plan views of essential parts showing an air passage portion of a compression bag according to another example of the embodiment of the present invention.
- FIG. 9 (A) is a plan view showing a compression bag according to another example of the embodiment of the present invention
- FIGS. 9 (B) and (C) are end views taken along arrows D-D in FIG. 9 (A).
- FIG. 10 (A) is an explanatory view in a plan view showing a production process of a compression bag according to an example of the embodiment of the present invention
- FIG. 10 (B) is an explanatory view in the same front view.
- FIG. 11 (A) is a plan view showing a compression bag according to an example of the conventional embodiment
- FIG. 11 (B) is an end view taken along the line E-E of FIG. 11 (A).
- FIG. 12 is an exploded perspective view showing a configuration of a compression bag according to another example of the conventional embodiment.
- the compression bag 1 in this example has a vertically long rectangular front sheet 11 and a rear sheet 12, and a horizontally long rectangular sheet.
- a valve seat 31 having a smaller vertical dimension than the rear seat 12 and a pedestal member 32 which is a sheet having a smaller vertical dimension than the valve seat 31 are used.
- Each of the sheets 11, 12, 31, and 32, which are the above constituent members, has flexibility, and is a long sheet that is continuous without any break in the longitudinal direction.
- Predetermined positions 1, 1, 2, 3 1, 3 2 are glued by heat sealing or the like and then cut to form a bag body in which the article storage section 2 and the air passage section 3 are partitioned.
- a resin sheet is used for the front sheet 11, the rear sheet 12, and the valve body sheet 31.
- a plurality of resin films for example, a plurality of polyethylene films are used. Glued and laminated, polyethylene film and Examples thereof include those laminated by bonding with a nylon film.
- the polyethylene film has heat-sealing properties, but the nylon film does not have heat-sealing properties.Therefore, when performing heat-sealing as described below, the polyethylene films in the resin-made sheet must be opposed to each other. Need to be done.
- An outer portion of the compression bag 1 is constituted by the front sheet 11 and the rear sheet 12.
- the article storage section 2 is formed between the front sheet 11 and the rear sheet 12 and has a space in which articles M can be stored. When the air passage 3 is opened, an air flow passage space 3 a that is continuous from the space inside the article storage section 2 to the outside of the compression bag 1 is formed.
- the opening la is provided with a closing means 4 so that the opening 1a can be closed in an airtight state.
- the closing means 4 of this example is provided with a convex portion on one side of the front and rear sheets 11 and 12 and a concave portion on the other, and by fitting the convex portion and the concave portion, the opening 2 is formed.
- a resin chuck having a structure capable of closing 1 is employed, the closing means 4 is not limited to this, and various means can be used.
- the opening 1a may be adhered by heat sealing or the like, so that the article M cannot be opened.
- the valve body sheet 31 is arranged at the lower part of the compression bag 1 as shown in FIG. 1 (A), and has two sheets as shown in FIG. 1 (B). Is disposed between the front seat 11 and the rear seat 12.
- the air passage section 3 is formed with an air flow passage space 3a that is continuous from the space inside the article storage section 2 to the outside of the compression bag 1 when the air bag is opened.
- the air flow passage space 3a is a space between the two valve body sheets 31 as shown in FIG. 1 (B) and FIG. 2 (A).
- the upper side of the air passage section 3 is the article storage section 2
- the lower side is the lower end side of the compression bag 1
- the left and right sides are the front seat 11, the rear seat 12, and the valve seat 3 1.
- the four sides are defined by two side seals 33 formed upward and downward so that the base member 32 is put together.
- a part of the valve body sheet 31 arranged on one side, that is, the front side is adhered to the front sheet 11, and the valve body sheet 3 arranged on the other side, that is, the rear side.
- a part of 1 is adhered to the back sheet 12.
- the portion of the valve sheet 31 that is bonded to the front sheet 11 and the rear sheet 12 is the bonded portion 31 b.
- the base end of the valve sheet 31 (the end on the side of the article storage section 2 and the upper end shown in FIG. 1 (A)) is the bonded portion 3 lb.
- the movable portion 31 c is located on the distal end side (the opposite side of the article storage portion 2 and lower side shown in FIG. 1A) than the bonding portion 3 lb.
- the movable portion 3 1 c has an air passage 3 opened, passes through an air flow passage space 3 a, passes from the article storage portion 2 to the outside of the compression bag 1.
- the surface opposite to the surface facing the front sheet 11 or the rear sheet 12 to which the valve body sheet 31 is bonded is the contact surface 31 a, and When the air passage section 3 is closed, as shown in FIG. 1 (C), the contact surface 31 a of the valve seat 31 on one side and the valve sheet 31 on the other side close. The surface 31a closely adheres.
- the close contact of the valve seat 31 when the air passage 3 is closed is shown in Fig. 1 (C).
- the air flow F2 which is going to flow backward from the outside of the compression bag 1 to the inside thereof, the front sheet 11 or the rear sheet 12 and the valve sheet bonded to each of these sheets 11 and 12
- the stationary air flow F2 presses the valve body sheet 31 by stagnating at the dead end portion 3b in the form of a blind alley between the valve body sheet 31 and the valve sheet 31.
- the contact surface 31a is formed by the close contact of each other.
- the airflow F1 which flows in the opposite direction to the outside from the article storage section 2, pushes out the space between the two valve body sheets 31 as shown in FIG. It flows so as to secure space 3a.
- a heated mold for heat sealing is not pressed against the air passage portion 3 as described later, Resistance can be minimized.
- the valve seats 31 are lightly heat-sealed with each other due to the heat generated during the heat sealing, which is a problem in the past, and an extra force is applied even when the air flow F 1 passes through the air passage 3. It can be prevented from becoming necessary.
- the article storage unit 2 when the article storage unit 2 is pressed by hand to evacuate the air present in the article storage unit 2 to the outside of the compression bag 1, a relatively weak person such as a child or an elderly person uses the air. In this case, there is almost no resistance and light degassing is possible. Further, the article storage section 2 does not burst.
- the release surface 31 d of the valve body sheet 31 opposite to the contact surface 3 la has a characteristic that it is harder to adhere than the contact surface 31 a.
- the valve sheet 31 may be easily lifted up with respect to the front sheet 11 or the rear sheet 12 to which the valve sheet 31 is adhered, or to a pedestal member 32 described later.
- unevenness is formed by, for example, finishing the separating surface 3 Id with a satin finish, or as shown in FIG. 4 (B),
- a method of applying a paint 7 for improving the releasability can be exemplified.
- the contact surface 31a is preferable to have a characteristic that makes it easy to adhere, contrary to the above, from the viewpoint of effectively closing the air passage portion 3.
- a characteristic that makes it easy to adhere contrary to the above, from the viewpoint of effectively closing the air passage portion 3.
- a pedestal member 32 is provided in the air passage portion 3 so as to overlap at least a part of the valve seat 31.
- the lower side of the valve sheet 31 shown in FIG. 1 (A), specifically, the tip side of the bonding portion 3 lb of the valve body sheet 31 is overlapped with the parallel sheet 31. It is a sheet-like body coordinated as follows.
- the distal end of the pedestal member 32 is movable in the direction from the distal end (lower side in FIG. 1 (A)) of the valve seat 31 to the base end (upper side). It is arranged at a position closer to the distal end than the position of 1/2, more preferably 3/4.
- the pedestal member 32 of the present example is provided within a range of 30 mm from the lower end side of the compression bag 1 toward the article storage section 2, and the front end of the base member 32 is the same as the front end of the valve body sheet 31. However, slight deviations may be provided. '
- the pedestal member 32 is attached to the front seat 11, the rear seat 12 and the valve seat 31 as shown in FIGS. 2 (A) and 2 (B). 3 Only glued by position 3. Therefore, no adhesion is made anywhere inside the air passage section 3, and the air passage section 3 is merely sandwiched between the front sheet 11 or the rear sheet 12 and the valve body sheet 31.
- the airflow passage space 3a is secured as shown in FIG. 1 (B) and FIG. 2 (A), and the airflow from the article storage 2 to the outside of the compression bag 1 is secured. F1 can pass without resistance.
- valve body sheet 31 As the base member 32, a sheet that is thicker than the front and rear seats 11 and 12 and the valve body sheet 31 is used, and one valve body sheet 31 is used as a reference and the other valve body sheet is used.
- the distance from one of the valve body sheets 31 such as 31 and the front and rear sheets 11 and 12 can be reduced by the thickness of the pedestal member 32. For this reason, the valve body sheet 31 can more easily close the air passage 3, so that the backflow of air in the air passage 3 can be effectively prevented, and the article storage section 2 is evacuated. The condition can be maintained for a long time.
- the pedestal member 32 has a breathable sheet shape to facilitate air to a dead end 3b formed between the front sheet 11 or the rear sheet 12 and the valve body sheet 31. It is preferable to use a nonwoven fabric, a net-like body, a woven fabric, and the like made of a thermoplastic resin fiber having heat sealing properties. In the case where the sheets 11, 12, 31, 32 are bonded by an adhesive or the like, a material such as paper that does not have heat sealing properties can be used. Further, in some cases, a sheet made of resin or the like having no air permeability, similar to the front sheet 11, the rear sheet 12, and the valve body sheet 31, may be used. Further, the pedestal member 32 may be formed of a thread as shown in FIGS. 9 (A) to 9 (C).
- the pedestal member 32 is preferably made of a thread-like body made of thermoplastic resin fiber such as polyester resin fiber having heat sealability, but is not heat-sealable, such as cotton. It is also possible to use a thread made of natural fibers.
- the pedestal member 32 attached to the front seat 11 and the pedestal member 32 attached to the rear seat 12 are alternately arranged. This allows the valve sheet 31 to protrude into the airflow passage space 3a at each position where the pedestal member 32 is provided, so that the check effect can be further enhanced.
- the base member 32 a thread-like body in this way, the movable portion 31c of the valve body seat 31 that is in contact with the base member 32 can be reduced. 3 1 It is possible to reduce the overall width dimension. Also, in producing the compression bag 1, unlike the case where the pedestal member 32 is formed into a sheet as described above, the pedestal member 32 is stacked on the front sheet 11 and the rear sheet 12 respectively, and Until the step where the valve seat 31 is superimposed on the front sheet (step [2] described later), the front seat 11, the rear seat 12 and the valve seat 31 are each long. It is not always necessary to supply the pedestal members 32 in a parallel manner, and the pedestal members 32 can be freely bent or bent, which is advantageous in the layout of the manufacturing apparatus.
- one threaded pedestal member 32 is arranged on the front sheet 11 and one is arranged on the rear sheet 12, but the invention is not limited to this.
- Two or more thread-like pedestal members 32 may be arranged on the front sheet 11 or the rear sheet 12.
- the front seat 11 or the rear seat 12 and the valve seat 31 are composed of separate sheets.
- the present invention is not limited to this, and the front seat 11 and the valve seat 3 are not limited to this. 1 and the rear seat 12 and the valve body seat 31 may be integrated.
- the front sheet 11 and the rear sheet 12 are formed by bonding and laminating a plurality of resin films such as a polyethylene film and a nylon film. For example, as shown in Fig.
- the back sheet 1 2 Used as The same applies to the back sheet 1 2 .
- the outer resin film 1 2 a is used as the one corresponding to the back sheet 12
- the inner resin film 12b is used as the one corresponding to the valve sheet 31.
- the valve body sheet 31 is made up of two planar sheets, each of which is attached to the front sheet 11 and the rear sheet 12, for example, as shown in FIG. As described above, the valve body sheet 31 may be used in a folded shape.
- one valve body sheet 31 may be used for one compression bag, and may be attached to only the front sheet 11 or the rear sheet 12. In this case, the mating surface 31 a of the valve body sheet 31 comes into contact with the front sheet 11 or the rear sheet 12 facing the contact surface 31 a.
- the valve body sheet 31 in the case shown in the drawing has an air passage portion 3 opened, passes through the air flow passage space 3 a, and flows from the article storage portion 2 to the outside of the compression bag 1.
- the air passage section 3 is in a range from the state in which the air passage section 3 can be closed to the state in which the valve body sheet 31 is in close contact with the front sheet 11 as shown in FIG.
- the compression bag 1 It is movable inside. Next, a method for manufacturing the compression bag 1 according to the present invention will be described.
- the front sheet 11, the rear sheet 12, the valve body sheet 31 and the pedestal member 32 are made of continuous sheets in the longitudinal direction. As indicated by the arrow in 10, it is continuously supplied to each step described below,
- the closing member 4 is attached to the upper end of the front sheet 11 and the rear sheet 12 by heat sealing, which is the portion that becomes the opening 1a of the compression bag 1 after completion (step [1]).
- the closing member 4 is a chuck in which a convex portion is arranged on one side of the front and rear sheets 11 and 12 and a concave portion is arranged on the other side. It is supplied to each process continuously in the direction
- the pedestal member 32 is superimposed on the front seat 11 and the rear seat 12 respectively, and the valve seat 31 is further superimposed (Ste [2]). Then, the valve element sheet 31 is adhered to the superposed front sheet 11 or rear sheet 12 by applying a valve element adhesive seal S1 by heat sealing (step [3]). ).
- the portion where the valve body adhesive seal S 1 has been applied is the bonded portion 31 b shown in FIG.
- the pedestal member 32 is merely sandwiched between the front sheet 11 or the rear sheet 12 and the valve body sheet 31 and has not yet been bonded.
- the front sheet 11 and the rear sheet 12 are separated from each other, and the valve body sheet 31 adhered to the front sheet 11 and the valve sheet adhered to the rear sheet 12
- the body sheet 31 is not affected by the heat of the heat seal.
- the valve sheet 31 is adhered to each, and the front sheet 11 and the rear sheet 12 in a state where the pedestal members 32 are overlapped, and the valve sheet 31 is connected to each other. They are superposed so that they face each other.
- the stacked sheets 1 1, 1 2, 3 1 , 32, the center side seal S2 and the bag side seal S3 are formed and bonded (step [4]).
- the center side seal S 2 is a seal located in the center portion near the valve body sheet 31 in a state where the compression bag 1 is completed and formed in the longitudinal direction (the left and right direction in the drawing). Rows are formed side by side in the illustrated vertical direction. The upper one of them is to rectify the airflow from the storage part 2 to the outside of the compression bag 1 (shown as F1 in Fig. 1 (A))-and to make the front sheet 11 and the rear sheet 12 This is for reinforcement.
- the middle part is for partitioning the article storage part 2 and the air passage part 3.
- the lower one defines the lower end of the compression bag 1 and is for collecting the sheets 11, 12, 31, 32 together.
- the bag side seal S3 defines the left and right end portions of the compression bag 1, and is for collecting the sheets 11, 12, 31, and 32 together.
- left and right side seals S4 are formed on the left and right sides in the drawing of the center side seal S2 formed as described above (step [5]).
- the left and right side seal S4 includes a left and right direction seal S41 and a vertical direction seal S42, and the left and right direction seal S41 is formed in the longitudinal direction (left and right direction in the drawing) in this example.
- three rows are formed side by side in the upper and lower directions in the figure, and have the same function as the above-mentioned center side seal S2.
- the vertical seal S 42 is the side seal 33 described above, and when the compression bag 1 is completed, as shown in FIG.
- the left and right sides of the air passage 3 And a seal formed in the vertical direction in the figure. Therefore, the left and right sides of the air passage 3 are defined by the vertical seal S42.
- the upper end of the air passage 3 is defined by a position on the extension of the middle part of the left and right seals S41 of the center seal S2 and the left and right seals S4. In this example, this position coincides with the position of the upper end of the valve body sheet 31 and the position of the valve body adhesive seal S1, but it may be formed shifted, and may be implemented with various changes. Also, the air passage
- the lower end of 3 is defined by the lower ends of the front sheet 11 and the rear sheet 12 in this example.
- Each of the seals S1 to S4 described above is formed by pressing a heated mold against each of the sheets 11, 12, 31, and 32. Since the seals S1 to S4 are formed by the above-described procedure, a mold is formed on each of the sheets 11, 12, 31, and 32 in the portion corresponding to the position where the air flow passes in the air passage portion 3. Since it is not pressed and no heat sealing is performed, the heat of the heat sealing causes the valve sheets 31 to be lightly adhered to each other and the air passage 3 is closed, as in the conventional case.
- the article storage part 2 of the completed compression bag 1 is pressed by hand to remove the air present in the article storage part 2 from the compression bag 1.
- the front seat 11 and the valve seat 31 And the rear seat 12 and the valve seat 31 are separately provided, and at this time, the front seat 11 and the rear seat 12 are separated from each other. Therefore, heat generated when the valve body adhesive seal S1 is formed by heat sealing has no adverse effect on the formation of the air passage portion 3.
- the sheets 11, 12, 31, 32 and the closing means 4 are cut in the vertical direction in the drawing so as to equally divide the side seal S3, thereby completing the compression bag 1.
- the sheets (11, 12, 31, 32) and the closing means 4 which are continuous without any break in the longitudinal direction are used to continuously perform the steps ([1] to [6]).
- Compressed bags are sequentially supplied and processed by heat cutting, etc.
- the check valve 105 is manufactured separately from the sheet constituting the article storage section 102, and the Since a complicated manufacturing process of assembling when forming the storage portion 102 is not required, the manufacturing is relatively easy, and the manufacturing cost can be reduced.
- the present invention has the following excellent effects.
- the inventions described in claims 1 and 2 of the present application are based on a pedestal member 32 arranged between at least one of a front sheet 11 and a rear sheet 12 and a valve body sheet 31. Therefore, the distance between the valve seat 31 and the counterpart seat to which the valve seat 31 is in close contact can be reduced by the thickness of the pedestal member 32, whereby the valve seat 31 closes the air passage 3.
- the compression bag 1, which can hold the degassed state of the article storage section 2 more easily, can be extended to a plurality of sheets 1 1, 1 2, 3 1, 3 2 that are continuous in the longitudinal direction. The manufacturing cost can be reduced by being able to manufacture in one process by continuously supplying in the direction and manufacturing.
- the invention described in claim 3 of the present application is a movable part of the valve body sheet 31 that is a part that contacts the pedestal member 32 in addition to the effect of the invention described in claim 1. 31 c can be reduced, thereby reducing the overall width of the valve seat 31.
- the invention described in claim 4 of the present application in addition to the effect of the invention described in claim 1 above, further includes a sheet 11, 12, and 12, at a position where the air passage portion 3 is formed. Since the mold for heat sealing is not pressed against 3 1 and 3 2, the air passage 3 can be easily opened, and the resistance is low even when deaeration is performed by hand, and the compression allows smooth deaeration. Bag 1 can be manufactured.
- the invention described in claims 5, 7, 8, 10, and 12 of the present application is characterized in that at least one of the front sheet 11 and the rear sheet 12 and the valve body sheet 31
- the distance between the valve seat 31 and the counterpart seat to which the valve body sheet 31 is brought into close contact can be reduced by the thickness of the base member 32 by the base member 32 arranged between the valve members. It is possible to provide the compression bag 1 in which the air bag 3 can be more easily closed by 3 1 and the degassed state of the article storage 2 can be reliably held.
- the invention described in claim 6 of the present application provides the movable part of the valve body sheet 31, which is a portion that contacts the pedestal member 32, in addition to the effect of the invention described in claim 5. 31 c can be reduced, thereby reducing the overall width of the valve seat 31.
- the invention described in claim 9 of the present application provides the valve seat 31 in the air passage portion 3 with the front sheet 11 in addition to the effect of the invention described in claim 8.
- the rear sheet 12 is not bonded to the rear sheet 12 except for the adhesive section 3 1b and the side seal 3 3 which is the side wall of the air passage section 3.
- the air passage section 3 can be easily opened because it is not bonded to the rear sheet 1 or 1 except the side seals 3 3 except for the side seals 3 3. It is possible to provide a compression bag 1 that can be smoothly degassed.
- the invention described in claim 11 of the present application has the effect of the invention described in claim 5 in addition to the effect of the invention described in claim 5, in which the pedestal member 32 has a greater thickness than the valve body sheet 31, and
- the use of a sheet having the following features makes it easy to guide air to a dead end portion 3b formed between the front seat 11 or the rear seat 12 and the valve body seat 31 and reliably forms the air passage portion 3. It can be closed, and the degassed state of the article storage section 2 can be reliably maintained.
- the invention described in claim 13 of the present application has the effect of the invention described in claim 5, in addition to the effects of the invention described in claim 5, the front sheet 11, the rear sheet 12, An inactive liquid 5 such as silicon oil is arranged on the contact surface 31a, which is a surface that is in close contact with one of the valve body sheets 31, so that the close contact between the valve body sheets 31 is reduced. The backflow of air in the air passage 3 can be effectively prevented.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/496,678 US7448803B2 (en) | 2004-01-10 | 2004-02-05 | Process for producing compression bag and compression bag |
JP2005516801A JP4416738B2 (ja) | 2004-01-10 | 2004-11-09 | 密封袋の通気路の構造及び密封袋及び密封袋の製造方法 |
EP04799543A EP1702856B1 (en) | 2004-01-10 | 2004-11-09 | Structure of air vent passage of sealed bag, sealed bag, and method of manufacturing sealed bag |
AT04799543T ATE492484T1 (de) | 2004-01-10 | 2004-11-09 | Struktur für einen entlüftungsdurchgang für einen abgedichteten beutel, abgedichteter beutel und verfahren zur herstellung eines abgedichteten beutels |
PCT/JP2004/016566 WO2005066032A1 (ja) | 2004-01-10 | 2004-11-09 | 密封袋の通気路の構造及び密封袋及び密封袋の製造方法 |
DE602004030715T DE602004030715D1 (de) | 2004-01-10 | 2004-11-09 | Struktur für einen entlüftungsdurchgang für einen abgedichteten beutel, abgedichteter beutel und verfahren zur herstellung eines abgedichteten beutels |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004034225A JP3677515B1 (ja) | 2004-01-10 | 2004-01-10 | 圧縮袋の製造方法及び圧縮袋及び空気通路の構造 |
JP2004-034225 | 2004-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005066031A1 true WO2005066031A1 (ja) | 2005-07-21 |
Family
ID=34747399
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/001212 WO2005066031A1 (ja) | 2004-01-10 | 2004-02-05 | 圧縮袋の製造方法及び圧縮袋 |
PCT/JP2004/016566 WO2005066032A1 (ja) | 2004-01-10 | 2004-11-09 | 密封袋の通気路の構造及び密封袋及び密封袋の製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/016566 WO2005066032A1 (ja) | 2004-01-10 | 2004-11-09 | 密封袋の通気路の構造及び密封袋及び密封袋の製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7448803B2 (ja) |
EP (1) | EP1702856B1 (ja) |
JP (2) | JP3677515B1 (ja) |
CN (1) | CN100497105C (ja) |
AT (1) | ATE492484T1 (ja) |
DE (1) | DE602004030715D1 (ja) |
WO (2) | WO2005066031A1 (ja) |
Cited By (1)
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JPWO2007029292A1 (ja) * | 2005-09-02 | 2009-03-12 | 河合 修 | 脱気弁及びこの脱気弁を備えた圧縮袋 |
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US7674039B2 (en) * | 2003-02-19 | 2010-03-09 | Illinois Tool Works Inc. | Reclosable vacuum storage bag having flat resealable means |
US7748904B2 (en) * | 2005-05-12 | 2010-07-06 | Illinois Tool Works Inc. | Multicompartment evacuable storage bag |
EP1955960A1 (en) * | 2005-07-01 | 2008-08-13 | Miko Tanaka | Structure of airflow channel of sealing bag, sealing bag, and method of producing sealing bag |
US8419278B2 (en) * | 2005-09-02 | 2013-04-16 | Mikio Tanaka | Check valve and compression bag and air cushion bag equipped therewith |
US8328421B2 (en) * | 2008-01-30 | 2012-12-11 | S.C. Johnson & Son, Inc. | Push-down compressible pouch with one-way valves on sides |
JP4441575B2 (ja) * | 2008-07-24 | 2010-03-31 | 株式会社悠心 | 逆止機能ノズルを備えるフレキシブル包装袋および液状物充填包装構造体 |
JP4673929B1 (ja) * | 2010-06-17 | 2011-04-20 | 有限会社田中テクニカル | シート製の逆止弁構造 |
WO2012054897A2 (en) * | 2010-10-22 | 2012-04-26 | Illinois Tool Works Inc. | Compressible pouch with multiple collapsible channels across bottom |
US20130177266A1 (en) * | 2012-01-09 | 2013-07-11 | Curwood, Inc. | Readily Ventable Reclosable Flexible Containers |
CN102689743B (zh) * | 2012-03-06 | 2015-08-26 | 上海艾尔贝包装科技发展有限公司 | 自粘膜止回阀和空气包装装置 |
MY175020A (en) * | 2013-10-17 | 2020-06-03 | Sin Sheng Kuang M Sdn Bhd | Package with pressure venting seal carrying surface profile |
US9387524B2 (en) * | 2013-11-01 | 2016-07-12 | Danny Earp | Effluent containment device for cleaning fin fan coolers |
US20160221722A1 (en) * | 2015-02-03 | 2016-08-04 | 365-Sports, LLC | Sealable Storage Bag and Related Methods |
CN106079583B (zh) * | 2015-05-22 | 2021-03-09 | 聂会平 | 空气缓冲体的充气装置的操作系统及其操作方法 |
JP6168328B1 (ja) * | 2016-08-30 | 2017-07-26 | 共栄機械株式会社 | 逆止弁付製袋装置 |
NL2018192B1 (en) * | 2017-01-18 | 2018-07-26 | Daklapack Europe B V | Shipping envelope and method |
JP6359731B1 (ja) * | 2017-07-04 | 2018-07-18 | 株式会社柏原製袋 | 袋用閉止弁を備えた袋及び食品用脱気袋 |
CN110831865B (zh) * | 2017-07-04 | 2022-04-01 | 株式会社柏原制袋 | 片材制继流阀及带有继流阀的袋 |
KR101885315B1 (ko) * | 2017-08-09 | 2018-08-06 | 이승종 | 포장용 압축팩 |
JP7245602B2 (ja) * | 2017-09-27 | 2023-03-24 | 大王製紙株式会社 | 包装袋 |
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- 2004-01-10 JP JP2004034225A patent/JP3677515B1/ja not_active Expired - Fee Related
- 2004-02-05 US US10/496,678 patent/US7448803B2/en not_active Expired - Fee Related
- 2004-02-05 WO PCT/JP2004/001212 patent/WO2005066031A1/ja active Application Filing
- 2004-11-09 WO PCT/JP2004/016566 patent/WO2005066032A1/ja active Application Filing
- 2004-11-09 JP JP2005516801A patent/JP4416738B2/ja active Active
- 2004-11-09 DE DE602004030715T patent/DE602004030715D1/de active Active
- 2004-11-09 CN CNB2004800005086A patent/CN100497105C/zh not_active Expired - Fee Related
- 2004-11-09 AT AT04799543T patent/ATE492484T1/de not_active IP Right Cessation
- 2004-11-09 EP EP04799543A patent/EP1702856B1/en not_active Not-in-force
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JP4792035B2 (ja) * | 2005-09-02 | 2011-10-12 | 田中 幹雄 | 脱気弁及びこの脱気弁を備えた圧縮袋 |
Also Published As
Publication number | Publication date |
---|---|
CN1735538A (zh) | 2006-02-15 |
JP4416738B2 (ja) | 2010-02-17 |
US20050252816A1 (en) | 2005-11-17 |
WO2005066032A1 (ja) | 2005-07-21 |
DE602004030715D1 (de) | 2011-02-03 |
JP3677515B1 (ja) | 2005-08-03 |
EP1702856B1 (en) | 2010-12-22 |
WO2005066032A8 (ja) | 2005-10-20 |
JPWO2005066032A1 (ja) | 2007-12-20 |
EP1702856A4 (en) | 2009-07-29 |
CN100497105C (zh) | 2009-06-10 |
EP1702856A1 (en) | 2006-09-20 |
US7448803B2 (en) | 2008-11-11 |
JP2006305731A (ja) | 2006-11-09 |
ATE492484T1 (de) | 2011-01-15 |
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