# US 5,701,996 A · Snap-fastener bag > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,701,996 A - Document ID: US5701996A - Status: Granted - Kind: A - Application number: 08/811,231 - Filed: 1997-03-03 - Granted: 1997-12-30 - Earliest claimed: 1994-05-17 - Assignees: Idemitsu Petrochemical Co., Ltd. - Inventors: Shuichi Goto; Kenichi Tanaka; Hiroshi Odaka - Web page: https://patentgrep.com/patent/US5701996A ## CPC - B65D 33/01: Ventilation or drainage of bags - 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 ## Abstract A snap-fastener bag according to the present invention is composed of a quadrilateral bag body, a deaerating passage provided along a bottom-seal and a snap fastener provided along the opening. The deaerating passage is provided by configurating a deaerating passage opening as a non-adhesive part through one side-seal and along the bottom-seal and by configurating an adhesive part near the bottom of the side-seal to near the other side-seal positioned at a predetermined interval from the bottom-seal in parallel to adhere between the top and bottom films. A paint film coated with a sticky substance having the kinematic-viscosity of 4-5,000.times.10.sup.-6 m.sup.2 /s (100.degree. C.) such as polybutene is applied in the deaerating passage. ## Claims ### Claim 1 A snap-fastener bag comprising a bag body having a storage space and having a deaerating passage therein, cloth goods being stored in said storage space and a resealant provided in said deaerating passage, said resealant having a kinematic-viscosity of 4.times.10.sup.-6 m.sup.2 /s to 5,000.times.10.sup.-6 m.sup.2 /s (100.degree. C.), said resealant consisting of at least one selected from a group consisting of: polybutene, silicon oil, glycerin, edible oil, and mineral oil, said resealant being adapted to open said deaerating passage in response to a pressure increase due to a compression of said bag body, said storage space and said cloth goods in said storage space. ### Claim 2 A snap-fastener bag comprising: a bag body formed from two flexible films that are selectively sealed together around the outer perimeter thereof to form a selectively expandable storage space, said storage space having cloth goods stored therein; a fastener assembly attached to said flexible films along opposed ends thereof for opening and closing said bag body; a deaerating passage formed in said bag body by opposed portions of said flexible films, said deaerating passage extending from said storage space to an outside opening; and a resealant applied to opposed surfaces of said flexible films that define said deaerating passage, said resealant being located adjacent to the outside opening of said deaerating passage, said resealant forming a seal that normally closes said deaerating passage and that opens said deaerating passage in response to a pressure increase within said storage space in response to a compression of said storage space in said bag body and said cloth goods in said storage space. ### Claim 3 (depends on 2) The snap-fastener bag according to claim 2, wherein said resealant has a kinematic-viscosity of 4.times.10.sup.-6 m.sup.2 /s to 5,000.times.10.sup.-6 m.sup.2 /s (100.degree. C.). ### Claim 4 (depends on 3) The snap-fastener bag according to claim 3, wherein said resealant consists of at least one selected from a group consisting of: polybutene, silicon oil, glycerin, edible oil and mineral oil. ### Claim 5 (depends on 2) The snap-fastener bag according to claim 2, wherein said deaerating passage is defined by a bottom seal in said bag body and a deaerating passage seal is spaced from said bottom seal. ### Claim 6 (depends on 2) The snap-fastener bag according to claim 2, wherein said deaerating passage is defined by a side seal in said bag body and a deaerating passage seal laterally spaced from said side seal. ### Claim 7 (depends on 2) The snap-fastener bag according to claim 2, further comprising multiple said deaerating passages that extend outwardly from a bottom seal of said bag body. ### Claim 8 (depends on 2) The snap-fastener bag according to claim 2, wherein said deaerating passage is a substantially linear passage. ### Claim 9 (depends on 2) The snap-fastener bag according to claim 2, wherein said resealant consists of at least one selected from polybutene, silicon oil, glycerin, edible oil, and mineral oil. ### Claim 10 (depends on 2) The snap fastener bag of claim 2, wherein said fastener assembly is located adjacent a first end of said bag body and said deaerating passage and said outside opening are formed in a second end of said bag body distal from said first end of said bag body. ### Claim 11 A snap-fastener bag comprising: a bag body formed from two side-by-side sections of flexible film, said film sections having a top edge, a bottom edge opposite said top edge, and opposed side edges, said film sections being adhered together along said bottom edges and said side edges thereof to define a storage space between said film sections, said storage space having cloth goods stored therein; a fastener attached to said top edges of said film sections to selectively open and close said bag body to allow access to said storage space; a deaerating passage formed in said bag body by selective adhesion of said film sections to each other, said deaerating passage extending from said storage space to a bottom or side edge of said bag body to an outside opening so as to open to the outside; and a resealant applied to opposed surfaces of said film sections that define said deaerating passage, said resealant being located adjacent the outside opening of said deaerating passage, said resealant forming a seal that normally closes said deaerated passage and that opens in response to a pressure increase due to a compression of said storage space in said bag body and cloth goods in said storage space. ### Claim 12 (depends on 11) The snap-fastener bag according to claim 11, wherein said resealant consists of at least one selected from polybutene, silicon oil, glycerin, edible oil, and mineral oil. ### Claim 13 (depends on 11) The snap fastener bag of claim 11, wherein said fastener is located adjacent a first end of said bag body and said deaerating passage is formed in a second end of said bag body distal from said first end of said bag body. ### Claim 14 (depends on 1) A snap-fastener bag according to claim 1, wherein said deaerating passage is configurated by at least one adhesive part formed between an upper film and a lower film that form the bag body.