Method for sealing-in a gas in a bag with a gas filling compartment
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65B-055/20
B65B-031/04
B65D-081/03
출원번호
US-0675876
(2012-11-13)
등록번호
US-8661772
(2014-03-04)
우선권정보
JP-2005-310525 (2005-10-25)
발명자
/ 주소
Yasuhira, Masanori
출원인 / 주소
Toyo Jidoki Co., Ltd.
대리인 / 주소
DLA Piper LLP (US)
인용정보
피인용 횟수 :
20인용 특허 :
25
초록▼
A method for sealing-in a gas in a bag that has therein a gas filling compartment, including the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against a cut-in or a hole of the bag and holding the back surface side of the bag with a backing mem
A method for sealing-in a gas in a bag that has therein a gas filling compartment, including the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against a cut-in or a hole of the bag and holding the back surface side of the bag with a backing member; blowing a gas from the nozzle into the gas filling compartment of the bag through the cut-in or the hole; gripping and thus closing the gas flow path in sealed portions surrounding the periphery of the cut-in or the hole by a blocking gripper while the gas blow-in continues, thus cutting off the flow of the gas between the cut-in or the hole and the inside of the gas filling compartment; and then sealing the cut-in or the hole, thus allowing the gas to be sealed in the gas filling compartment.
대표청구항▼
1. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed togethe
1. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed together, on each side of respective bags, along upper edges thereof, and further both lateral side edges and lower edges of the films of the inner bag and the films of the outer bag are sealed together, thus forming gas filling compartments between the films of the inner bag and the films of the outer bag;means for introducing gas in the gas filling compartments are formed in the respective films of the outer bag; andthe films of the outer bag and the films of the inner bag are sealed together in the vicinity of said means for introducing gas, and sealed portions thereof surround peripheries of said means for introducing gas, leaving gas flow paths communicating to insides of said gas filling compartments; andsaid method comprising the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against said means for introducing gas and holding a back surface side of said bag with a backing member;blowing a gas from said nozzle into an inside of the gas filling compartment through said means for introducing gas;gripping and thus closing the gas flow path in the sealed portions surrounding a periphery of said means for introducing gas by a blocking gripper while the gas blow-in continues, thus cutting off a flow of gas between said means for introducing gas and an inside of the gas filling compartment; andsealing said means for introducing gas, thus allowing said gas to be sealed in the gas filling compartment. 2. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 1, wherein said sealing of said means for introducing gas is effected by sealing two surfaces of said bag at a location of said means for introducing gas. 3. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 1, wherein a supplemental sealed portion is formed by sealing the films of the outer bag and the films of the inner bag; andsaid supplemental sealed portion and an upper edge sealed portion and/or one of lateral side edge sealed portions form said sealed portions that surround the periphery of said means for introducing gas. 4. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 3, wherein said supplemental sealed portion is formed to be continuous to the upper edge sealed portion and/or one of the lateral side edge sealed portions. 5. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 3, wherein said supplemental sealed portions are formed in said bag by mutually sealing a part of the films of the outer bag and a part of the films of the inner bag on each side of respective bags. 6. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 5, wherein said means for introducing gas are formed respectively in the films of the outer bag so as to be located in the vicinity of upper edge side corners on mutually opposite lateral side edges. 7. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 1, wherein said means for introducing gas are formed respectively in the films of the outer bag so as to be located in the vicinity of upper edge side corners on mutually opposite lateral side edges. 8. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of and is smaller in width than the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed together, on each side of respective bags, along upper edges thereof, the films of the inner bag and the films of the outer bags are sealed together along lower edges thereof, and further the films of the outer bag are sealed together at upper and lower edges thereof on both lateral sides of the inner bag and along both lateral side edges thereof, thus forming a gas filling compartment between the films of the inner bag and outer bag;a means for introducing gas is formed in at least one side of the outer bag; andthe films of the outer bag are sealed together in the vicinity of said means for introducing gas, and sealed portions thereof surround a periphery of said means for introducing gas, leaving a gas flow path communicating to inside of said gas filling compartment, andsaid method comprising the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against said means for introducing gas and holding a back surface side of said bag with a backing member;blowing a gas from said nozzle into an inside of the gas filling compartment through said means for introducing gas;gripping and thus closing the gas flow path in the sealed portions surrounding a periphery of said means for introducing gas by a blocking gripper while the gas blow-in continues, thus cutting off a flow of gas between said means for introducing gas and an inside of the gas filling compartment; andsealing said means for introducing gas, thus allowing said gas to be sealed in the gas filling compartment. 9. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 8, wherein a supplemental sealed portion is formed by sealing a part of the films of the outer bag; andsaid supplemental sealed portion and one of upper edge sealed portions formed by films of the outer bag and/or one of lateral side edge sealed portions of the outer bag form said sealed portions that surround the periphery of said means for introducing gas. 10. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 9, wherein said supplemental sealed portion is formed so as to be continuous to upper edge sealed portion or one of the lateral side edge sealed portions. 11. The method for sealing-in a gas in a bag with a gas filling compartment according to claim 8, wherein said means for introducing gas formed in the films of the outer bag are located in the vicinity of upper edge side corners. 12. The method for sealing-in a gas in a bag with a gas filling compartment according to any one of claims 3 through 11, wherein said sealing of said means for introducing gas is effected by sealing two surfaces of said bag at a location of said means for introducing gas. 13. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed together, on each side of respective bags, along upper edges thereof, and further both lateral side edges and lower edges of the films of the inner bag and the films of the outer bag are sealed together, thus forming gas filling compartments between the films of the inner bag and the films of the outer bag;means for introducing gas in the gas filling compartments are formed in the respective films of the outer bag, said means for introducing gas are formed respectively in the films of the outer bag so as to be located in the vicinity of upper edge side corners on mutually opposite lateral side edges; andthe films of the outer bag and the films of the inner bag are sealed together in the vicinity of said means for introducing gas, and sealed portions thereof surround peripheries of said means for introducing gas, leaving gas flow paths communicating to insides of said gas filling compartments, andsaid method comprising the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against said means for introducing gas and holding a back surface side of said bag with a backing member;blowing a gas from said nozzle into an inside of the gas filling compartment through said means for introducing gas;gripping and closing the gas flow path in the sealed portions surrounding a periphery of said means for introducing gas by a blocking gripper while the gas blow-in continues, thus cutting off a flow of gas between said means for introducing gas and an inside of the gas filling compartment; andsealing a bag mouth of said bag from both surfaces and said means for introducing gas, thus allowing said gas to be sealed in the gas filling compartment. 14. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed together, on each side of respective bags, along upper edges thereof, and further both lateral side edges and lower edges of the films of the inner bag and the films of the outer bag are sealed together, thus forming gas filling compartments between the films of the inner bag and the films of the outer bag;means for introducing gas in the gas filling compartments are formed in the respective films of the outer bag, said means for introducing gas being formed respectively in the films of the outer bag so as to be located in the vicinity of upper edge side corners on mutually opposite lateral side edges;the films of the outer bag and the films of the inner bag are sealed together in the vicinity of said means for introducing gas, and sealed portions thereof surround peripheries of said means for introducing gas, leaving gas flow paths communicating to insides of said gas filling compartments;a supplemental sealed portion is formed by sealing the films of the outer bag and the films of the inner bag;said supplemental sealed portion and an upper edge sealed portion and/or one of lateral side edge sealed portions form said sealed portions that surround the periphery of said means for introducing gas;said supplemental sealed portion is formed in said bag by mutually sealing a part of the films of the outer bag and a part of the films of the inner bag on each side of respective bags, andsaid method comprising the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against said means for introducing gas and holding a back surface side of said bag with a backing member;blowing a gas from said nozzle into an inside of the gas filling compartment through said means for introducing gas;gripping and closing the gas flow path in the sealed portions surrounding a periphery of said means for introducing gas by a blocking gripper while the gas blow-in continues, thus cutting off a flow of gas between said means for introducing gas and an inside of the gas filling compartment; andsealing a bag mouth of said bag from both surfaces and said means for introducing gas, thus allowing said gas to be sealed in the gas filling compartment. 15. A method for sealing-in a gas in a bag with a gas filling compartment, said bag comprising an outer bag and an inner bag which is provided inside of and is smaller in width than the outer bag, wherein the inner bag has an opening along an upper edge thereof;films of the inner bag and films of the outer bag are sealed together, on each side of respective bags, along upper edges thereof, the films of the inner bag and the films of the outer bags are sealed together along lower edges thereof, and further the films of the outer bag are sealed together at upper and lower edges thereof on both lateral sides of the inner bag and along both lateral side edges thereof, thus forming a gas filling compartment between the films of the inner bag and outer bag;a means for introducing gas is formed in at least one side of the outer bag, said means for introducing gas being formed in the films of the outer bag are located in the vicinity of upper edge side corners; andthe films of the outer bag are sealed together in the vicinity of said means for introducing gas, and sealed portions thereof surround a periphery of said means for introducing gas, leaving a gas flow path communicating to inside of said gas filling compartment, andsaid method comprising the steps of: placing a blow-out port of a nozzle, which is connected to a pressurized gas supply source, against said means for introducing gas and holding a back surface side of said bag with a backing member;blowing a gas from said nozzle into an inside of the gas filling compartment through said means for introducing gas;gripping and closing the gas flow path in the sealed portions surrounding a periphery of said means for introducing gas by a blocking gripper while the gas blow-in continues, thus cutting off a flow of gas between said means for introducing gas and an inside of the gas filling compartment; andsealing a bag mouth of said bag from both surfaces and said means for introducing gas, thus allowing said gas to be sealed in the gas filling compartment.
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