[특허]Pouch with pour spout

Magna Technologies, Inc.

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특허 상세정보

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Pouch with pour spout

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B65D-065/28 B65D-027/34 B65D-047/10
미국특허분류(USC)	206/620; 206/634; 222/092; 222/107; 222/541; 426/115; 428/035; 156/069; 156/261; 156/293
출원번호	US-0256081 (1981-04-21)
발명자 / 주소	Franco, Gino
출원인 / 주소	Magna Technologies, Inc.
대리인 / 주소	Blakely, Sokoloff, Taylor & Zafman
인용정보	피인용 횟수 : 76 인용 특허 : 3

초록

A plastic laminated pouch, suitable for containing food, beverages or other pourable contents, with an integrally formed generally cylindrical pour spout. Application of force directed radially inwardly upon the sidewalls of the pour spout causes the top of the spout to fracture generally along lines of reduced structural integrity provided thereon, permitting the contents of the pouch to be easily and neatly emptied therethrough.

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1. A flexible container comprising: a plastic laminate pouch having an aperture defined through a wall thereof; a pour spout having flexible sides fitted within said aperture, said pour spout including an open end communicating with the interior of said pouch and a closed end protruding from said pouch; said open end having an outwardly extending flange disposed about the edge thereof, said flange having a diameter greater than the diameter of said aperature, and said closed end having a plurality of lines of reduced structural integrity extending across the surface thereof, whereby the application of a force directed inwardly against the sides of said spout transverse to the longitudinal axis thereof deforms the peripheral edge of said closed end which deforms the planer surface of said closed end, such that stresses induced therein cause said closed end to fracture generally along said lines of reduced structural integrity. 2. The container as claimed in claim 1 wherein said spout is resistent to fracture from the application of force axial to the general plane of said closed end. 3. The container as claimed in claim 2 wherein said sides of said spout are sufficiently long to accomodate human fingers for squeezing said sides. 4. The container as claimed in claim 3 wherein said pour spout is of unitary plastic construction. 5. The container as claimed in claim 4 wherein said pour spout is comprised of polystyrene. 6. The container as claimed in claim 4 wherein said lines of reduced structural integrity extend radially from the centerpoint of said closed end. 7. The container as claimed in claim 4 wherein said pour spout is generally cylindrical. 8. The container as claimed in claim 4 wherein said spout is generally frustoconical. 9. The container as claimed in claim 1 wherein said laminate structure of said pouch comprises: (a) an outer layer of polyester; (b) a middle layer of polypropylene; and (c) an inner layer of aluminum. 10. The container as claimed in claim 9, wherein said laminate structure further comprises an innermost layer of polyester. 11. The container as claimed in claim 1 wherein said flange is sealably secured to said wall of said pouch between lamination layers. 12. The container as claimed in claim 1 wherein said flange is sealably secured to said wall on the interior surface of the innermost layer of said laminate. 13. A method for forming a pouch which incorporates a pour spout comprising the steps of: (a) fabricating a first sheet of laminate material; (b) fabricating a second sheet of laminate material; (c) defining at least one aperature through said first sheet of laminate material for mateably receiving a flange thereagainst; (d) forming a flexible plastic pour spout having an open end and a closed end; (e) forming an integral flange along the open end of said pour spout extending outwardly perpendicular to the longitudinal axis of said pour spout; (f) reducing the structural integrity of said closed end along at least one line defined at least some distance across the plane of said closed end whereby said closed end is frangible when force is applied inwardly against the sides of said spout perpendicular to the longitudinal axis thereof, and whereby said closed end is resistent to puncture from forces applied axially thereagainst; (g) positioning said spout within said aperature such that said flange abuts the shoulder of said aperture; (h) sealably securing said flange to said shoulder of said aperature; and (i) sealably engaging the surfaces of said first sheet of laminate material and said second sheet of laminate material such that a sealed storage volume in communication with said open end of said pour spout is defined therein. 14. The method of claim 13 wherein the step of sealably securing said flange to said shoulder comprises the steps of: (a) applying an adhesive between the mating surfaces of said flange and said first sheet of laminate material; (b) pressing said mating surfaces together; and (c) curing said adhesive such that said mating surfaces form a sealed union. 15. The method as claimed in claim 13 wherein the step of fabricating said first sheet of laminate material comprises the steps of: (a) providing an outer layer of polyester, a middle layer of polypropylene, and an inner layer of aluminum; (b) stacking said layers atop one another; and (c) bonding said outer layer, said middle layer, and said inner layer together. 16. The method as claimed in claim 13 wherein the step of fabricating said second sheet of laminated material comprises the steps of: (a) providing an outer layer of polyester, a middle layer of polypropylene, and an inner layer of aluminum; (b) stacking said layers atop one another; and (c) bonding said outer layer, said middle layer, and said inner layer together. 17. The method of forming a pouch which incorporates a pour spout comprising the steps of: (a) forming a flexible plastic pour spout having an open end and a closed end; (b) forming an integral flange along the open end of said pour spout extending outwardly perpendicular to the longitudinal axis of said pour spout; (c) fabricating a first sheet of laminate material by providing an outer layer of polyester, a middle layer of polypropylene, and an inner layer of aluminum, stacking said layers atop one another, forming an aperture through said layers, interposing said flange between two of said layers, adhesively securing said flange to adjacent layers, and bonding said outer layer, said middle layer, and said inner layer together; (d) reducing the structural integrity of said closed end along at least one line defined at least some distance across the plane of said closed end whereby said closed end is frangible when force is applied inwardly against the sides of said spout perpendicular to the longitudinal axis thereof, and whereby said closed end is resistent to puncture from forces applied axially thereagainst; (e) fabricating a second sheet of laminate material by bonding together an outer layer of polyester, a middle layer of polypropylene, and an inner layer of aluminum; and (f) sealably engaging the surfaces of said first sheet of laminate material and said second sheet of laminate material such that a sealed storage volume in communication with said closed end of said pour spout is defined therein. 18. A method of forming a pouch which incorporates a pour spout comprising: (a) forming a pouch of plastic laminate material with an aperature defined therein; (b) forming a flexible plastic pour spout having an open end and a closed end such that said closed end opens upon the application of force applied inwardly against the sides of said spout perpendicular to the longitudinal axis thereof; and (c) securing said pour spout to said pouch such that said open end is in communication with the interior of said pouch.

이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 76

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특허 상세정보

Pouch with pour spout

초록

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이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 76

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Pouch with pour spout

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이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 76

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IPC 상세정보(version : 201201)

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