[특허]Method for pressing a composite assembly

[미국특허] Method for pressing a composite assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D04H-001/16
출원번호	US-0547574 (1983-11-01)
발명자 / 주소	Churchland Mark T. (Vancouver CAX)
출원인 / 주소	MacMillan Bloedel Limited (Vancouver CAX 03)
인용정보	피인용 횟수 : 18 인용 특허 : 10

초록 ▼

The present invention relates to a process of forming an extended elongate product from a plurality of strands by subjecting the strands to heat and pressure. The improvement of the present invention comprises a method for compressing the strands in a manner to reduce internal stresses imparted to the product during its subjection to pressure. The method includes the steps of: (a) transporting in a longitudinal direction the strands in a generally parallel and overlapping relationship through a compressing zone of a press assembly; (b) increasing the pressure on the strands as they pass from an inlet end to an outlet end of the compressing zone by gradually converging facing walls of the press assembly so that: (i) the strands being compressed move relative to one another through at least a portion of the compressing zone; and (ii) the strands being compressed lock up so that they no longer move relative to one another but rather only compress relative to one another at a point in the compressing zone where the radius of curvature in the longitudinal direction on either side of a central reference plane of the mat being compressed is at least about 30 feet to provide a low remembered internal stress.

대표청구항 ▼

In a continuous process of forming an extended elongate product from a plurality of elongate strands by subjecting the strands to heat and pressure wherein the improvement comprises a method of compressing the strands in a manner to reduce internal stresses imparted to the product during compressing, including the steps of: (a) transporting a mat containing generally parallel strands in a generally random overlapping relationship through a compressing zone of a press assembly; and (b) increasing the pressure on the strands as they pass from an inlet end to an outlet end of the compressing zone by gradually converging facing walls of the press assembly so that: (i) the strands being compressed move relative to one another through at least a portion of the compressing zone, and (ii) the strands being compressed lock-up so that they no longer move relative to one another but rather only compress relative to one another at a point in the compressing zone where the radius of curvature in the longitudinal direction on either side of a central reference plane of the mat being compressed is at least about 30 feet to provide a low remembered internal stress.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Ahrweiler Karl-Heinz (Krefeld DT) Quoos Kurt (Krefeld DT) Kusters Eduard (Krefeld-Forstwald DT) Appenzeller Valentin (Kempen ; Niederrhein DT), Continuous press having improved anti-friction rollers.
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Kerttula Into (Solymar Benalmadena Costa ESX), Continuously operating board press.
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De Mets Albert (Izegem BE), Continuously operating press.
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Pfeiffer Heinrich (Eppingen DEX), Continuously operating press.
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Ahrweiler Karl-Heinz (Krefeld DEX), Method and apparatus for the continuous manufacture of extruded materials.
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Ahrweiler Karl-Heinz (Krefeld DEX), Press for compacting material to form a traveling web.
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Ahrweiler Karl-Heinz (Krefeld DT), Press for exerting flat pressure.
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Sitzler Hans-Dietrich (Nettetal-Hinsbeck DEX), Press for the continuous production of pressedboard.
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Platte ; Friedrich ; Wiedemann ; Wolfgang, Process for the compression of black powder.
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Barnes Derek (Vancouver CA), Products of converted lignocellulosic materials.
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이 특허를 인용한 특허 (18) 인용/피인용 타임라인 분석

Heinzen,Thomas E.; Finkowski,James W.; Demars,Jimmy A., Apparatus and method for forming food products by gradual compression.
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Walter Karl (Kempen DEX), Apparatus for hot pressing mats used in the manufacture of chipboard, fiberboard and similar pressed board.
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Cucchi, George; Liang, Bei-Hong; MacDonald, Michael, Automated door assembly and methods, press used therewith, and adhesive therefor.
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Cucchi, George; Liang, Bei-Hong; MacDonald, Michael, Automated door assembly and methods, press used therewith, and adhesive therefor.
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Tyler, Kenneth Charles, Automated door assembly system and method.
상세보기
Tyler, Kenneth Charles, Automated door assembly system and method.
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Cucchi, George; Liang, Bei-Hong, Automated door assembly, press, and adhesive therefor.
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Liang, Bei-Hong; Cucchi, George, Automated door assembly, press, and adhesive therefor.
상세보기
Liang, Bei-Hong; Cucchi, George, Automated door assembly, press, and adhesive therefor.
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Liang, Bei-Hong; MacDonald, Michael; Hardwick, Geoffrey; Ritchie, Robert; Cucchi, George; Fedio, Bruce, Automated door assembly, press, and adhesive therefor.
상세보기
Moss,William Harris, Belt press apparatus and method for high solids capture and high solids content.
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Bielfeldt Friedrich B. (Eppingen DEX), Continuously working press.
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van Eersel Johannes C.,NLX, Device for working a dough strand into a thin dough sheet.
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Wold Ted H. (Winnfield LA), Method for forming articles of reinforced composite material.
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Reetz William R., Method of forming a thermoactive binder composite.
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Churchland Mark T. (Vancouver CAX) Schilling Walter W. (Delta CAX), Oriented strand lay-up.
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Prihoda Peter J. (Burnaby CAX), Press for wood composites.
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Churchland, Mark T.; Buber, M. Tekamul, Systems and methods for manufacturing composite wood products to reduce bowing.
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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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[미국특허] Method for pressing a composite assembly 원문보기