[특허]Manufacturing apparatus and method of forming a preform

Manufacturing apparatus and method of forming a preform 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-065/00 B29C-053/80 B29C-070/86 B29C-053/58 B29C-063/10 B65H-081/00 B32B-027/00 C03B-029/00 B32B-018/00 B29C-047/00 B28B-021/42 B28B-021/22 B28B-021/52 B28B-021/78 B28B-021/72 B28B-001/42 B28B-021/48 C04B-035/117 C04B-035/563 C04B-035/565 C04B-035/63 C04B-035/636 C04B-035/80 C04B-035/64 C04B-035/626 C04B-035/622 C04B-035/76 C04B-035/10 B29K-105/06 B29K-105/12 B28B-021/24
출원번호	US-0149292 (2011-05-31)
등록번호	US-9283734 (2016-03-15)
발명자 / 주소	Anderson, Neil Kero, Matt
출원인 / 주소	GUNITE CORPORATION
대리인 / 주소	Howard & Howard Attorneys PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 62

초록 ▼

The present invention provides for a manufacturing apparatus for forming a ceramic preform from an extrudate having a first end and a second end. A cutter forms the first and second ends of the extrudate complementary to each other such that the first and second ends of the extrudate align with each other in a spaced relationship to define a preform having a substantially uniform exterior surface and a substantially uniform thickness. The present invention provides for a method of forming the preform from the extrudate having the first and second ends utilizing a mandrel. The method includes the step of aligning the second end complementary to the first end of the first layer in a spaced relationship to define the preform having the substantially uniform exterior surface and the substantially uniform thickness.

대표청구항 ▼

1. A method of forming a preform from an extrudate having a first end and a second end utilizing a mandrel rotatable about an axis and having an outer surface spaced radially from the axis, said method comprising the steps of: forming the first end of the extrudate;wrapping the extrudate about the mandrel while rotating the mandrel about the axis to form a first layer having the first end abutting the outer surface of the mandrel;cooling the mandrel such that the first layer of the extrudate adheres to the outer surface of the mandrel and remains adhered to the outer surface as the mandrel rotates about the axis;applying pressure to the first layer during wrapping of the extrudate about the mandrel;forming the second end of the extrudate complementary in configuration to the first end;wrapping the extrudate about the mandrel while rotating the mandrel about the axis to form a second layer on top of the first layer with the second end spaced from the outer surface of the mandrel;applying pressure to the second layer during wrapping of the extrudate about the mandrel; andaligning the second end complementary to the first end of the first layer in a spaced relationship to define the preform having a substantially uniform exterior surface and a substantially uniform thickness. 2. The method as set forth in claim 1 wherein the extrudate includes a first side and a second side opposing the first side such that the first and second layers include the first and second sides and wherein the step of wrapping the extrudate about the mandrel to form a first layer is further defined as abutting the first side of the first layer to the mandrel. 3. The method as set forth in claim 2 wherein the step of wrapping the extrudate about the mandrel to form a second layer is further defined as abutting the first side of the second layer to the second side of the first layer. 4. The method as set forth in claim 2 wherein the first end of the extrudate defines a first angle relative to the first side and wherein the step of forming the first end is further defined as the step of cutting the first end to the first angle. 5. The method as set forth in claim 4 wherein the second end of the extrudate defines a second angle relative to the second side and wherein the step of forming the second end is further defined as the step of cutting the second end to the second angle. 6. The method as set forth in claim 5 wherein the first and second angles are each defined as less than 45 degrees. 7. The method as set forth in claim 1 further including the step of wrapping the extrudate about the mandrel to form a third layer on top of the second layer. 8. The method as set forth in claim 7 wherein the extrudate is defined as a continuous piece of extrudate between the first and second ends and wherein the steps of wrapping the extrudate about the mandrel is further defined as the steps of wrapping the continuous piece of extrudate about the mandrel to form the first, second, and third layers. 9. The method as set forth in claim 7 wherein the third layer has the second end and wherein the step of aligning the second end complementary to the first end of the first layer in a spaced relationship is further defined as the step of aligning the second end of the third layer complementary to the first end of the first layer in the spaced relationship to define the preform having the substantially uniform exterior surface and the substantially uniform thickness. 10. The method as set forth in claim 9 wherein the step of forming the first end occurs before the step of forming the second end. 11. The method as set forth in claim 9 further including a pressure-applying device adjacent the mandrel and wherein the steps of applying pressure to the first and second layers are further defined as the steps of applying pressure to the first, second, and third layers during wrapping of the extrudate about the mandrel. 12. The method as set forth in claim 11 wherein the step of applying pressure to the first layer occurs before the steps of applying pressure to the second and third layers. 13. The method as set forth in claim 1 wherein the second layer has the second end and wherein the step of aligning the second end complementary to the first end of the first layer in a spaced relationship is further defined as the step of aligning the second end of the second layer complementary to the first end of the first layer in the spaced relationship to define the preform having the substantially uniform exterior surface and the substantially uniform thickness. 14. The method as set forth in claim 1 wherein the extrudate is defined as a continuous piece of extrudate between the first and second ends and wherein the steps of wrapping the extrudate about the mandrel is further defined as the steps of wrapping the continuous piece of extrudate about the mandrel to form the first and second layers. 15. The method as set forth in claim 1 wherein the step of forming the first end occurs before the step of forming the second end. 16. The method as set forth in claim 1 wherein the step of forming the first end occurs before the step of wrapping the extrudate about the mandrel to form a second layer. 17. The method as set forth in claim 1 wherein the step of forming the second end occurs after the step of wrapping the extrudate about the mandrel to form a second layer. 18. The method as set forth in claim 1 wherein the step of applying pressure to the first layer occurs before the step of applying pressure to the second layer. 19. A method of forming a ceramic preform comprising ceramic particles and ceramic fibers having an aspect ratio of greater than or equal to 10:1 and the ceramic fibers substantially randomly orientated in three dimensions utilizing an extruder and a mandrel rotatable about an axis and having an outer surface spaced radially from the axis, said method comprising the steps of: extruding the ceramic particles and the ceramic fibers through the extruder to form an extrudate having a first end and a second end with the extrudate having a substantially rectangular cross-section between the first and second ends and having planar exterior surfaces;forming the first end of the extrudate;wrapping the extrudate about the mandrel while rotating the mandrel about the axis to form a first layer having the substantially rectangular cross-section and having the first end abutting the outer surface of the mandrel;applying pressure to the first layer during wrapping of the extrudate about the mandrel;forming the second end of the extrudate complementary in configuration to the first end;wrapping the extrudate about the mandrel while rotating the mandrel about the axis to form a second layer having the substantially rectangular cross-section on top of the first layer with the second end spaced from the outer surface of the mandrel;applying pressure to the second layer during wrapping of the extrudate about the mandrel; andaligning the second end complementary to the first end of the first layer in a spaced relationship to define the preform having a substantially uniform exterior surface and a substantially uniform thickness. 20. The method as set forth in claim 19 further including the step of wrapping the extrudate about the mandrel to form a third layer having the substantially rectangular cross-section on top of the second layer. 21. The method as set forth in claim 20 wherein the extrudate is defined as a continuous piece of extrudate between the first and second ends and wherein the steps of wrapping the extrudate about the mandrel is further defined as the steps of wrapping the continuous piece of extrudate about the mandrel to form the first, second, and third layers. 22. The method as set forth in claim 21 wherein the third layer has the second end and wherein the step of aligning the second end complementary to the first end of the first layer in a spaced relationship is further defined as the step of aligning the second end of the third layer complementary to the first end of the first layer in the spaced relationship to define the preform having the substantially uniform exterior surface and the substantially uniform thickness. 23. The method as set forth in claim 19 wherein the extrudate is formed from a composition comprising: the ceramic particles;the ceramic fibers having an aspect ratio of greater than or equal to 10:1;an organic binder comprising a cellulose ether;an inorganic binder comprising silica; andwater. 24. The method as set forth in claim 19 wherein the extrudate includes a first side and a second side opposing the first side such that the first and second layers include the first and second sides and wherein the step of wrapping the extrudate about the mandrel to form a first layer is further defined as abutting the first side of the first layer to the mandrel. 25. The method as set forth in claim 24 wherein the step of wrapping the extrudate about the mandrel to form a second layer is further defined as abutting the first side of the second layer to the second side of the first layer. 26. The method as set forth in claim 21 further including a pressure-applying device adjacent the mandrel and wherein the steps of applying pressure to the first and second layers are further defined as the steps of applying pressure to the first, second, and third layers during wrapping of the extrudate about the mandrel. 27. The method as set forth in claim 19 wherein the step of applying pressure to the first layer occurs before the step of applying pressure to the second layer.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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