IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0281133
(2002-10-28)
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발명자
/ 주소 |
- Gumringer, Rodney Ross
- Jennings, Michael Todd
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출원인 / 주소 |
- The North Face Apparel Corp
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대리인 / 주소 |
Collier Shannon Scott, PLLC
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인용정보 |
피인용 횟수 :
4 인용 특허 :
7 |
초록
▼
In a method of forming an article of footwear, a shell is formed between at least two die portions. The shell has a flash line defined proximate an interface of the die portions and along a perimeter of the shell. The method may include coupling a component directly to the shell so that the flash li
In a method of forming an article of footwear, a shell is formed between at least two die portions. The shell has a flash line defined proximate an interface of the die portions and along a perimeter of the shell. The method may include coupling a component directly to the shell so that the flash line is at least in part disposed proximate or below an upper edge of the component, with the component selected from the group consisting of a midsole and an outsole. The flash line may be positioned to coincide with an edge of a ridge on the shell.
대표청구항
▼
1. A method of forming an article of footwear comprising:forming a shell between at least two die portions, the shell having a flash line defined proximate an interface of the die portions and along a perimeter thereof; coupling a component directly to the shell so that the flash line is at least in
1. A method of forming an article of footwear comprising:forming a shell between at least two die portions, the shell having a flash line defined proximate an interface of the die portions and along a perimeter thereof; coupling a component directly to the shell so that the flash line is at least in part disposed below an upper edge of the component, with the component selected from the group consisting of a midsole and an outsole. 2. The method of claim 1, further comprising:coupling the component directly to the shell so that the flash line is at least in part disposed proximate the upper edge of the component. 3. The method of claim 1, further comprising:coupling a midsole to a lower portion of the shell. 4. The method of claim 3, further comprising:disposing a shank between the midsole and shell. 5. The method of claim 3, further comprising:coupling an outsole to a lower portion of the midsole. 6. The method of claim 5, further comprising:disposing an insole inside the shell. 7. The method of claim 6, further comprising:disposing at least one cushion between the insole and shell. 8. The method of claim 7, wherein the at least one cushion comprises a cushion disposed proximate a heel region of the shell and a cushion disposed proximate a forefoot region of the shell.9. The method of claim 6, further comprising:coupling an upper to an upper portion of the shell. 10. The method of claim 1, wherein the flash line extends substantially around a perimeter of the shell.11. The method of claim 1, wherein at least a portion of the flash line coincides with an edge of a ridge on the shell.12. The method of claim 11, wherein the ridge is disposed proximate a heel end of the shell.13. The method of claim 1, wherein the flash line is disposed along a sidewall of the shell and defines a first surface above the flash line and a second surface below the flash line.14. The method of claim 13, wherein the first and second surfaces have different texturing.15. The method of claim 1, wherein the shell is formed of a polyurethane.16. The method of claim 1, wherein the shell is formed by injection molding.17. The method of claim 1, further comprising:bonding the component directly to the shell. 18. The method of claim 17, wherein the component and shell are adhesively bonded to each other.19. The method of claim 1, further comprising:disposing indicia on the shell. 20. The method of claim 19, wherein the indicia is integrally formed with the shell.21. The method of claim 1, wherein each die portion defines one of the group consisting of substantially the entirety of an upper portion of the shell and substantially the entirety of a lower portion of the shell.22. The method of claim 21, wherein the die portion defining the upper portion of the shell is disposed above the die portion defining the lower portion of the shell.23. The method of claim 21, wherein the die portions are disposed in side by side relation such that the die portion defining the upper portion of the shell is disposed adjacent the die portion defining the lower portion of the shell, each die portion having a toe end and a heel end with the toe ends of the die portions disposed above the heel ends of the die portions.24. The method of claim 1, further comprising:disposing at least one rib on the shell transverse to the flash line. 25. The method of claim 1, wherein a top portion of the shell is substantially smooth proximate a central longitudinal axis of the shell.26. The method of claim 1, wherein an inner mold portion is disposed in a cavity between the die portions when the shell is formed.27. A method of forming an article of footwear comprising:forming a shell between at least two cooperating die portions defining a cavity, the shell having a parting line defined proximate an interface of the die portions and extending around a perimeter thereof; coupling a lower portion of the shell to a component selected from the group consisting of a midsole and an outsole; wherein the component is coupled to the shell so that the parting line is at least in part disposed below an upper edge of the component. 28. The method of claim 27, wherein the component is coupled to the shell so that the parting line is in part disposed proximate the upper edge of the component.29. The method of claim 27, wherein the shell is formed by injection molding.30. The method of claim 29, wherein one of the at least two cooperating die portions defines a lower portion of the shell.31. The method of claim 30, wherein the shell is formed by injecting polymer through a plurality of runners each communicating with the cavity proximate a bottom face of the die portion that defines the lower portion of the shell.32. The method of claim 31, further comprising:forming sprues only proximate an outside bottom portion of the shell. 33. The method of claim 32, further comprising:substantially removing the sprues from the shell. 34. The method of claim 27, wherein each die portion defines one of the group consisting of substantially the entirety of an upper portion of the shell and substantially the entirety of a lower portion of the shell.35. The method of claim 34, wherein the die portions are disposed in side by side relation, each die portion having a toe end and a heel end with the toe ends of the die portions being disposed above the heel ends of the die portions.36. The method of claim 27, wherein the cooperating die portions comprise portions that mate in male-female relation when the die portions are aligned with respect to each other.37. The method of claim 27, further comprising:coupling an upper portion of the shell to an upper. 38. The method of claim 27, further comprising:disposing an inner mold portion in the cavity while forming the shell. 39. The method of claim 27, wherein the parting line coincides with an edge of a ridge on the shell.40. The method of claim 21, wherein the die portion defining the lower portion of the shell is disposed above the die portion defining the upper portion of the shell.41. The method of claim 34, wherein the die portion defining the upper portion of the shell is disposed above the die portion defining the lower portion of the shell.42. The method of claim 34, wherein the die portion defining the lower portion of the shell is disposed above the die portion defining the upper portion of the shell.
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