Multiple compartment pouch and beverage container with smooth curve frangible seal
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-025/08
B65D-025/04
출원번호
US-0454233
(2003-06-02)
발명자
/ 주소
Bourque,Raymond Anthony
Chung,Daniel Young Doo
Estabrook,Richard M.
Hahm,Diane McCauley
Henderson,James L.
Kornick,Joseph
Lee,I Hwa
Olivares Cordoba,Jose Tirso
Visioli,Donna Lynn
Kane, Jr.,J
출원인 / 주소
E. I. du Pont de Nemours and Company
Kornick Lindsay
Ocean Spray Cranberries, Inc.
인용정보
피인용 횟수 :
33인용 특허 :
32
초록▼
A polymeric film, multiple-compartment, pouch having an internal frangible seal for confining a fluid and related beverage container with a re-closable fitment for storing and delivering two different flavored liquids or the like. The frangible seal of the clear plastic pouch will burst when sustain
A polymeric film, multiple-compartment, pouch having an internal frangible seal for confining a fluid and related beverage container with a re-closable fitment for storing and delivering two different flavored liquids or the like. The frangible seal of the clear plastic pouch will burst when sustained squeezed thus allowing the flavors to swirl and mix within the pouch.
대표청구항▼
We claim: 1. A flexible multiple-compartment beverage pouch comprising: (a) a first sheet of polymeric film; (b) a second sheet of polymeric film superimposed on said first sheet of polymeric film wherein said first and second sheets of polymeric film are sealed to each other directly or indirectly
We claim: 1. A flexible multiple-compartment beverage pouch comprising: (a) a first sheet of polymeric film; (b) a second sheet of polymeric film superimposed on said first sheet of polymeric film wherein said first and second sheets of polymeric film are sealed to each other directly or indirectly through a third intervening polymeric film thus defining a generally rectangular sealed perimeter having a first end and a second end and two opposed sides, forming a closed pouch; (c) at least one smooth curve frangible seal internal to the sealed perimeter and said at least one smooth curve frangible seal divides said closed pouch into separated compartments comprising a first compartment and a second compartment; (d) the first compartment comprises or confines a liquid beverage; (e) the second compartment comprises or confines another ingredient; and (f) a fitment in said first end; wherein the second end is the end opposing the fitment and the at least one smooth curve seal extends from said first end to one of said opposed sides. 2. A flexible multiple-compartment beverage pouch of claim 1 wherein said another ingredient is a liquid flavoring concentrate. 3. A flexible multiple-compartment beverage pouch of claim 1 wherein said at least one smooth curve frangible seal delaminates upon sustained manual compression producing a pressure increase within the first compartment of up to 12 psig. 4. A flexible multiple-compartment beverage pouch of claim 1 wherein said at least one smooth curve frangible seal delaminates upon sustained manual compression producing a pressure increase within the first compartment of from 0.5 psig to 2.0 psig. 5. A flexible multiple-compartment beverage pouch of claim 1 wherein said at least one smooth curve frangible seal has a seal strength of front 130 grams per inch to 5,000 grams per inch. 6. A flexible multiple-compartment beverage pouch of claim 5 wherein said seal strength is from 400 grams per inch to 2,500 grams per inch. 7. A flexible multiple-compartment beverage pouch of claim 5 wherein said seal strength is from 1,000 grams per inch to 2,000 grams per inch. 8. A flexible multiple-compartment beverage pouch of claim 1 wherein said at least one smooth curve frangible seal experiences a seal breaking force of between 400 grams per inch and 6,000 grams per inch upon sustained manual compression producing a pressure increase within the first compartment of from 0.5 psig to 5.0 psig. 9. A flexible multiple-compartment beverage pouch of claim 1 wherein said at least one smooth curve frangible seal contains at least one force concentrating means for selectively exceeding seal strength of said at least one smooth curve frangible seal by experiencing a seal breaking force of from 1,500 grams per inch up to 10,000 grams per inch at a pressure increase within said first compartment of from 0.5 psig to 10 psig. 10. A flexible multiple-compartment beverage pouch as in claim 1, 2, 3, 4, 5, 6, 7, 8, or 9 wherein said at least one smooth curve frangible seal is produced by heat-sealing said first sheet of polymeric film to said second sheet of polymeric film and wherein the inner surface of at least one of said polymeric films comprises a blend of (a) 80 to 93 weight percent of an ethylene/acid ionomer wherein at least 50 weight percent of said ethylene/acid ionomer is derived from ethylene comonomer and wherein the degree of neutralization of acid is from 5 to 45 percent and (b) 20 to 7 weight percent of a propylene/α-olefin copolymer wherein the α-olefin comonomer comprises 1 to 12 weight percent of said copolymer. 11. A flexible multiple-compartment beverage pouch as in claim 1, 2, 3, 4, 5, 6, 7, 8, or 9 wherein said at least one smooth curve frangible seal is produced by heat-sealing said first sheet of polymeric film to said second sheet of polymeric film and wherein the inner surface of at least one of said polymeric films at the frangible seal is a blend comprising (a) an acid modified ethylene vinyl acetate copolymer or acid modified ethylene methyl acrylate copolymer as the major component and (b) a partially neutralized ethylene acid ionomer as the minor component. 12. A flexible multiple-compartment beverage pouch as in claim 1, 2, 3,4, 5, 6, 7, 8, or 9 wherein said at least one smooth curve frangible seal is produced by heat-sealing said first sheet of polymeric film to said second sheet of polymeric film and wherein the inner surface of at least one of said polymeric films comprises a blend of (a) a partially neutralized ethylene acid ionomer as the major component and (b) polybutene-1 homopolymer or copolymers as the minor component. 13. A flexible multiple-compartment beverage pouch as in claim 1, 2, 3, 4, 5, 6, 7, 8, or 9 wherein said at least one smooth curve frangible seal is produced by heat-sealing said first sheet of polymeric film to said second sheet of polymeric film and wherein the inner surface of at least one of said polymeric films comprises a blend of (a) a metallocene polyethylene as the major component and (b) polypropylene or polybutene-1 homopolymer or copolymers as the minor component. 14. A flexible multiple-compartment beverage pouch as in claim 1, 2, 3, 4, 5, 6, 7, 8, or 9 wherein said perimeter forms a closed pouch and said pouch is a stand-up pouch. 15. A flexible multiple-compartment pouch comprising: (a) a first sheet of polymeric film; (b) a second sheet of polymeric film superimposed on said first sheet of polymeric film wherein said first and second sheets of polymeric film are scaled to each other directly or indirectly through a third intervening polymeric film thus defining a generally rectangular sealed perimeter having a bottom end; an end opposing the bottom; and two opposed sides, forming a closed stand-up pouch; (c) at least one smooth curve frangible seal internal to the sealed perimeter and said at least one smooth curve frangible seal divides said closed pouch into separated compartments comprising a first compartment and a second compartment; and (d) a fluid confined to the first compartment wherein the seal strength of said sealed perimeter is sufficient to withstand manual compression of the fluid and the seal strength of said at least one smooth curve frangible seal is insufficient to withstand manual compression of the fluid thus allowing said fluid to commingle with the contents of the second compartment; wherein the at least one smooth curve frangible seal extends from the end opposing the bottom to one of said opposed sides. 16. A flexible multiple-compartment pouch of claim 15 wherein said at least one smooth curve frangible seal delaminates upon sustained manual compression producing a pressure increase within said first compartment of up to 10 psig. 17. A flexible multiple-compartment pouch of claim 16 wherein the pressure increase is from 0.5 psig to 2.0 psig. 18. A flexible multiple-compartment pouch of claim 15 wherein said at least one smooth curve frangible seal has a seal strength of from 130 grams per inch to 5,000 grains per inch. 19. A flexible multiple-compartment pouch of claim 18 wherein the seal strength is from 1,000 grams per inch to 2,000 grams per inch. 20. A flexible multiple-compartment pouch of claim 15 wherein said at least one smooth curve frangible seal experiences a seal breaking force of between 400 grams per inch and 6,000 grams per inch upon sustained manual compression producing a pressure increase within said first compartment of from 0.5 psig to 5 psig. 21. A flexible multiple-compartment pouch of claim 15 wherein said pouch is a stand-up pouch. 22. A flexible multiple-compartment pouch as recited in claim 15, 16, 17, 18, 19, 20, or 21 wherein said at least one smooth curve frangible seal seals said first sheet of polymeric film to said second sheet of polymeric film and is produced by heat-seating or zone coating and the inner surface of at least one of said polymeric films comprises a blend of (a) 80 to 93 weight percent of an ethylene/acid ionomer wherein at least 50 weight percent of said ethylene/acid ionomer is derived from ethylene comonomer and wherein the degree of neutralization of acid is from 5 to 45 percent and (b) 20 to 7 weight percent of a propylene/α-olefin copolymer wherein the α-olefin comonomer comprises 1 to 12 weight percent of said copolymer. 23. A flexible multiple-compartment pouch as recited in claim 15, 16, 17, 18, 19, 20, or 21 wherein said at least one smooth curve frangible seal seals said first sheet of polymeric film to said second sheet of polymeric film and is produced by heat-sealing or zone coating and the inner surface of at least one of said polymeric films at the frangible heat seal is a blend comprising (a) an acid modified ethylene vinyl acetate copolymer or acid modified ethylene methyl acrylate copolymer as the major component and (b) a partially neutralized ethylene acid ionomer as the minor component. 24. A flexible multiple-compartment pouch comprising a first sheet of polymeric film sealed to a second sheet of polymeric film with at least one smooth curve frangible seal produced by heat sealing or zone coating internal to the perimeter of said pouch wherein said pouch is a stand-up pouch; said at least one smooth curve frangible seal divides said pouch into separated compartments comprising a first compartment and a second compartment and experiences seal breaking force of from 400 grams per inch up to 6,000 grams per inch at a pressure increase of from 0.5 psig to 5 psig within the first or second compartment; the stand-up pouch is generally rectangular having a bottom, an opposing end to the bottom, and opposed sides to the bottom and the opposing end; and the at least one smooth curve frangible seal extends from the opposing end to one of said opposed sides. 25. A flexible multiple-compartment pouch comprising a first sheet of polymeric film sealed to a second sheet of polymeric film with at least one smooth curve frangible seal produced by heat sealing or zone coating internal to the perimeter of said pouch wherein said pouch is a stand-up pouch; said at least one smooth curve frangible seal divides said pouch into separated compartments comprising a first compartment and a second compartment and comprises at least one force concentrating means for selectively exceeding seal strength of said at least one smooth curve frangible seal by experiencing a seal breaking force of from 1,500 grams per inch up to 10,000 grams per inch at a pressure increase of from 0.5 psig to 10 psig within the first or second compartment; the stand-up pouch is generally rectangular having a bottom, an opposing end to the bottom, and opposed sides to the bottom and the opposing end; and the at least one smooth curve frangible seal extends from the opposing end to one of said opposed sides. 26. The flexible multiple-compartment pouch of claim 24 or 25 wherein the inner surface of at least one of said polymeric films comprises a blend of (a) 80 to 93 weight percent of an ethylene/acid ionomer wherein at least 50 weight percent of said ethylene/acid ionomer is derived from ethylene comonomer and wherein the degree of neutralization of acid is from 5 to 45 percent and (b) 20 to 7 weight percent of a propylene/α-olefin copolymer wherein the α-olefin comonomer comprises 1 to 12 weight percent of said copolymer. 27. The flexible multiple-compartment pouch of claim 24 or 25 wherein the inner surface of at least one of said polymeric films at the at least one smooth curve frangible seal is a blend comprising (a) an acid modified ethylene vinyl acetate copolymer or acid modified ethylene methyl acrylate copolymer as the major component and (b) a partially neutralized ethylene acid ionomer as the minor component. 28. The flexible multiple-compartment pouch of claim 24 or 25 wherein the inner surface of at least one of said polymeric films at the at least one smooth curve frangible seal is a blend comprising (a) a partially neutralized ethylene acid ionomer as the major component and (b) polybutene-1 homopolymer or copolymers as the minor component. 29. The flexible multiple-compartment pouch of claim 24 or 25 wherein the inner surface of at least one of said polymeric films at the at least one smooth curve frangible seal is a blend comprising (a) a metallocene polyethylene as the major component and (b) polypropylene or polybutene-1 homopolymer or copolymers as the minor component.
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