Methods and systems for use in forming an article from a multi-layer sheet structure
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-043/00
B65D-085/804
B29C-051/00
A47J-031/40
B29C-043/52
B29C-051/08
B29C-043/20
B65D-001/26
B65D-001/28
B65D-021/02
B29C-051/04
B29C-051/14
B32B-007/12
B32B-027/08
B32B-027/20
B32B-027/32
B32B-027/36
B32B-001/08
B29L-031/00
출원번호
US-0804859
(2015-07-21)
등록번호
US-9669992
(2017-06-06)
발명자
/ 주소
Temple, Jr., Loren F.
Pramanik, Pranabes K.
출원인 / 주소
Polyone Designed Structures and Solutions LLC
대리인 / 주소
Armstrong Teasdale LLP
인용정보
피인용 횟수 :
0인용 특허 :
181
초록▼
A mold includes a forming insert that includes an upper portion and a lower portion. The upper portion includes a sidewall segment and a heel segment extending from a bottom of the sidewall segment. The sidewall segment has a sidewall radius, and the heel segment has a heel radius that is less than
A mold includes a forming insert that includes an upper portion and a lower portion. The upper portion includes a sidewall segment and a heel segment extending from a bottom of the sidewall segment. The sidewall segment has a sidewall radius, and the heel segment has a heel radius that is less than the sidewall radius. The lower portion extends axially downward from the upper portion to define a base cavity. A forming base is positionable within the base cavity. The rim has a rim radius that is less than the heel radius and the step has a step radius that is less than the rim radius.
대표청구항▼
1. A method of forming a puncturable container, the container comprising a body that comprises a sidewall and a heel extending from a bottom of the sidewall, and a base coupled to the heel;the method comprising: (a) providing a multi-layer sheet structure comprising (i) a first layer comprising virg
1. A method of forming a puncturable container, the container comprising a body that comprises a sidewall and a heel extending from a bottom of the sidewall, and a base coupled to the heel;the method comprising: (a) providing a multi-layer sheet structure comprising (i) a first layer comprising virgin polypropylene and (ii) a second layer comprising virgin polypropylene and talc;(b) positioning a forming base within a base cavity defined by a lower portion of a forming insert, the forming base having a top surface;(c) extending the multi-layer sheet structure across an opening defined by an upper portion of the forming insert;(d) applying heat to the multi-layer sheet structure to facilitate softening the multi-layer sheet structure; and(e) pushing the multi-layer sheet structure with a plug towards at least one of the top surface and the upper portion to form the puncturable container wherein a desired amount of the multi-layer sheet structure is distributed to at least one of the sidewall, the heel, and the base;wherein the container withstands being punctured without being crushed. 2. The method of claim 1, wherein the second layer further comprises recycled material comprising unused ground-up multi-layer sheet structure. 3. The method of claim 2, wherein the first layer further comprises color concentrate. 4. The method of claim 1, wherein at least one of the first layer and the second layer further comprises a bioplastic material. 5. The method of claim 1, further comprising the step of providing the puncturable container for use in a single serve coffee maker configured to puncture the puncturable container, and wherein the puncturable container withstands being punctured without being crushed by the single serve coffee maker. 6. The method of claim 5, wherein the puncturable container permits a clean puncture in the base of the puncturable container by the single-serve coffee maker. 7. The method of claim 6, wherein the body of the puncturable container is substantially rigid. 8. A combination comprising: the puncturable container formed by the method of claim 1; anda single serve coffee maker configured to puncture the puncturable container;wherein the puncturable container withstands being punctured without being crushed by the single serve coffee maker. 9. The combination of claim 8, wherein the puncturable container permits a clean puncture in the base of the puncturable container by the single serve coffee maker. 10. The combination of claim 9, wherein the body of the puncturable container is substantially rigid. 11. A method of forming a puncturable container, the container comprising a body that comprises a sidewall and a heel extending from a bottom of the sidewall, and a base coupled to the heel;the method comprising: (a) providing a multi-layer sheet structure;(b) positioning a forming base within a base cavity defined by a lower portion of a forming insert, the forming base having a top surface;(c) extending the multi-layer sheet structure across an opening defined by an upper portion of the forming insert;(d) applying heat to the multi-layer sheet structure to facilitate softening the multi-layer sheet structure; and(e) pushing the multi-layer sheet structure with a plug towards at least one of the top surface and the upper portion to form the puncturable container wherein a desired amount of the multi-layer sheet structure is distributed to at least one of the sidewall, the heel, and the base;wherein the multi-layer sheet structure comprises: (a) an outer top layer of a first polypropylene composition;(b) an inner top layer of a second polypropylene composition;(c) a barrier layer having a first side and a second side;(d) a first adhesive layer disposed between the first side of the barrier layer and the inner top layer;(e) an inner bottom layer of a third polypropylene composition;(f) a second adhesive layer disposed between the second side of the barrier layer and the inner bottom layer; and(g) an outer bottom layer of a fourth polypropylene composition,wherein the first and fourth polypropylene compositions each comprises virgin polypropylene;wherein the second and third polypropylene compositions each comprises virgin polypropylene and talc; andwherein the container withstands being punctured without being crushed. 12. The method of claim 11, wherein the second and third polypropylene compositions each further comprises recycled material comprising unused ground-up multi-layer sheet structure. 13. The method of claim 12, wherein the first and fourth polypropylene compositions each further comprises color concentrate. 14. The method of claim 11, wherein at least one of the first, second, third, and fourth polypropylene compositions further comprises a bioplastic material. 15. The method of claim 11, further comprising the step of providing the puncturable container for use in a single serve coffee maker configured to puncture the puncturable container, and wherein the puncturable container withstands being punctured without being crushed by the single serve coffee maker. 16. The method of claim 15, wherein the puncturable container permits a clean puncture in the base of the puncturable container by the single-serve coffee maker. 17. The method of claim 16, wherein the body of the puncturable container is substantially rigid. 18. A combination comprising: the puncturable container formed by the method of claim 11; anda single serve coffee maker configured to puncture the puncturable container;wherein the puncturable container withstands being punctured without being crushed by the single serve coffee maker. 19. The combination of claim 18, wherein the puncturable container permits a clean puncture in the base of the puncturable container by the single-serve coffee maker. 20. The combination of claim 19, wherein the body of the puncturable container is substantially rigid.
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