[특허]Molded preform and container having integrated pour spout

Amcor Limited

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Molded preform and container having integrated pour spout

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-001/16
미국특허분류(USC)	222/111; 222/109; 222/571; 264/532; 264/539
출원번호	US-0804406 (2007-05-17)
등록번호	US-8177098 (2012-05-15)
발명자 / 주소	Penny, Michael E.
출원인 / 주소	Amcor Limited
대리인 / 주소	Harness, Dickey & Pierce, P.L.C.
인용정보	피인용 횟수 : 4 인용 특허 : 15

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A one-piece plastic container includes a body defining a longitudinal axis and having an upper portion, a sidewall portion and a base portion. The upper portion has a spout defining an opening into the container and a finish offset radially outwardly from the spout. A trough defines a passage into the body. The trough slopes toward the passage and defines a non-orthogonal angle relative to the longitudinal axis. According to other features, the sidewall portion is integrally formed with and extends from the upper portion to the base portion. The base por...

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1. A one-piece plastic container comprising: a body defining a longitudinal axis and having an upper portion, a sidewall portion and a base portion, said upper portion being injection molded and said sidewall portion and said base portion being stretch blow molded, said sidewall portion including a sidewall inner surface, said upper portion having a spout with a spout inner diameter surface defining an opening into the container and a finish offset radially outwardly from said spout, wherein a trough is formed at a first transition between said finish and said spout, said trough defining a passage into said body, said finish defining an annular sidewall having an inner diameter and an outer diameter, said outer diameter defining at least one thread and said inner diameter defining a threadless surface that transitions into an arcuate surface that forms part of said trough, said at least one thread and said threadless surface being on opposite sides of said annular sidewall, a second transition between said sidewall inner surface and said spout inner diameter surface being substantially smooth and continuous, said upper portion also including a support ring on an outer surface thereof, said support ring extending radially outward from said outer surface, said support ring being disposed along the longitudinal axis between said finish and said sidewall portion, said container configured to be supported by said support ring for stretch blow molding of said sidewall portion and said base portion, wherein the at least one thread extends radially outward from the outer diameter of the sidewall, and wherein the support ring has an equal diameter to the outer diameter of the sidewall. 2. The one-piece plastic container of claim 1 wherein said trough slopes toward said passage and defines a non-orthogonal angle relative to said longitudinal axis. 3. The one-piece plastic container of claim 2 wherein said sidewall portion is integrally formed with and extends from said upper portion to said base portion, said base portion closing off an end of the container. 4. The one-piece plastic container of claim 3 wherein said at least one thread of said finish is for attaching a closure thereon. 5. The one-piece plastic container of claim 3 wherein said spout includes a terminal lip defining a plane that extends generally perpendicularly to said longitudinal axis. 6. The one-piece plastic container of claim 5 wherein said terminal lip is offset entirely above said finish in a direction away from said base. 7. The one-piece plastic container of claim 6 wherein said spout defines a longitudinal slot extending from said terminal lip to said passage. 8. The one-piece plastic container of claim 7 wherein said terminal lip transitions to said longitudinal slot along arcuate surfaces. 9. The one-piece plastic container of claim 2 wherein said trough defines a first angle relative to a transverse line drawn through the container from said longitudinal axis to said passage and a second angle relative to the transverse line from said longitudinal axis to a diametrically opposed point relative to the passage, wherein said first angle is greater than said second angle. 10. The one-piece plastic container of claim 9 wherein said first angle is substantially about 5 degrees and said second angle is substantially about 2 degrees. 11. The one-piece plastic container of claim 1 wherein the container is composed of polyethylene terephthalate. 12. The one-piece plastic container of claim 11 wherein said sidewall portion and said base portion are both biaxially oriented. 13. A one-piece plastic container comprising: an injection molded upper portion comprising:a spout defining an opening into the container, said spout including a spout inner diameter surface; anda finish offset radially outwardly from said spout;a support ring on an outer surface of the upper portion, said support ring extending radially outward from said outer surface;wherein a trough is formed at a first transition between said finish and said spout, said trough defining a passage into said body, said finish defining an annular sidewall having an inner diameter and an outer diameter, said outer diameter defining at least one thread and said inner diameter defining a threadless surface that transitions into an arcuate surface that forms part of said trough, said at least one thread and said threadless surface being on opposite sides of said annular sidewall;a shoulder region integrally formed with and extending from said upper portion; anda stretch blow molded sidewall portion defining a longitudinal axis and extending from said shoulder region to a base portion, said sidewall portion including a sidewall inner surface, said base portion closing off an end of the container and defining a first plane, a second transition between said sidewall inner surface and said spout inner diameter surface being substantially smooth and continuous, said support ring being disposed along the longitudinal axis between said finish and said sidewall portion;wherein said opening defines a second plane that is generally parallel to said first plane,wherein said container is configured to be supported by said support ring for stretch blow molding of said sidewall portion and said base portion, andwherein the at least one thread extends radially outward from the outer diameter of the sidewall, and wherein the support ring has an equal diameter to the outer diameter of the sidewall. 14. The one-piece plastic container of claim 13 wherein said trough slopes toward said passage and defines a non-orthogonal angle relative to said longitudinal axis. 15. The one-piece plastic container of claim 13 wherein said at least one thread of said finish is for attaching a closure thereon. 16. The one-piece plastic container of claim 14 wherein said spout includes a terminal lip defining a plane that extends generally perpendicularly to said longitudinal axis. 17. The one-piece plastic container of claim 16 wherein said terminal lip is offset entirely above said finish in a direction away from said base. 18. The one-piece plastic container of claim 17 wherein said spout defines a longitudinal slot extending from said terminal lip to said passage. 19. The one-piece plastic container of claim 18 wherein said terminal lip transitions to said longitudinal slot along arcuate surfaces. 20. A preform adapted to be stretch blow molded into a one-piece plastic container, the preform comprising: a body defining a longitudinal axis and having an upper portion, a sidewall portion and a base portion, said sidewall portion and said base portion configured to be stretch blow molded into the one-piece plastic container without substantially changing said upper portion, said sidewall portion including a sidewall inner surface, said upper portion having a spout defining an opening into said preform and a finish offset radially outwardly from said spout, said spout including a spout inner diameter surface, wherein a trough is formed at a first transition between said finish and said spout, said trough defining a passage into said body, said finish defining an annular sidewall having an inner diameter and an outer diameter, said outer diameter defining at least one thread and said inner diameter defining a threadless surface that transitions into an arcuate surface that forms part of said trough, said at least one thread and said threadless surface being on opposite sides of said annular sidewall, a second transition between said sidewall inner surface and said spout inner diameter surface being substantially smooth and continuous, said upper portion also including a support ring on an outer surface thereof, said support ring extending radially outward from said outer surface, said support ring being disposed along the longitudinal axis between said finish and said sidewall portion, said preform configured to be carried by the support ring for stretch blow molding of said sidewall portion and said base portion, wherein the at least one thread extends radially outward from the outer diameter of the sidewall, and wherein the support ring has an equal diameter to the outer diameter of the sidewall. 21. The preform of claim 20 wherein said trough slopes toward said passage and defines a non-orthogonal angle relative to said longitudinal axis. 22. The preform of claim 20 wherein said spout includes a terminal lip defining a plane that extends generally perpendicularly to said longitudinal axis. 23. The preform of claim 22 wherein said terminal lip is offset entirely above said finish in a direction away from said base. 24. The preform of claim 23 wherein said spout defines a longitudinal slot extending from said terminal lip to said passage. 25. The preform of claim 24 wherein said terminal lip transitions to said longitudinal slot along arcuate surfaces. 26. The preform of claim 20 wherein said trough defines a first angle relative to a transverse line drawn through the preform from said longitudinal axis to said passage and a second angle relative to the transverse line from said longitudinal axis to a diametrically opposed point relative to the passage, wherein said first angle is greater than said second angle.

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이 특허를 인용한 특허 피인용횟수: 4

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Molded preform and container having integrated pour spout

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Molded preform and container having integrated pour spout

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이 특허에 인용된 특허 (15)

이 특허를 인용한 특허 피인용횟수: 4

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