[특허]Methods for manufacturing sheets from hydraulically settable compositions

Methods for manufacturing sheets from hydraulically settable compositions 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-059/00 B29C-067/20 B28B-011/16 B29D-031/00
출원번호	US-0475366 (1995-06-07)
발명자 / 주소	Andersen Per Just Hodson Simon K.
출원인 / 주소	E. Khashoggi Industries
대리인 / 주소	Workman, Nydegger & Seeley
인용정보	피인용 횟수 : 43 인용 특허 : 0

초록 ▼

Compositions and methods for manufacturing sheets having a hydraulically settable matrix are disclosed. Suitable compositions are prepared by mixing together a hydraulic binder, water, and appropriate additives (such as aggregates, fibers, and rheology-modifying agents) which impart predetermined properties so that a sheet formed therefrom has the desired performance criteria. The compositions are formed into sheets by first extruding them into a sheet and then calendering the sheet using a set of rollers. The calendered sheets are dried in an accelerated manner to form a substantially hardened sheet. The drying is performed by heated rollers and/or a drying chamber. The hydraulically settable sheets so formed may have properties substantially similar to sheets made from presently used materials like paper, cardboard, polystyrene, or plastic. Such sheets can be rolled, pressed, scored, perforated, folded, and glued. They have especial utility in the mass production of containers, particularly food and beverage containers.

대표청구항 ▼

[ What is claimed and desired to be secured by United States Letters Patent is:] [1.] A method for manufacturing a sheet having a hydraulically settable matrix, the method comprising the steps of:mixing together a hydraulically settable binder, fibers, a rheology-modifying agent, and aggregate filler, and water to form a hydraulically settable mixture that is capable of being formed into a cohesive sheet;forming the hydraulically settable mixture between at least one pair of counter-rotating rollers into a sheet having a thickness less than 2 cm and having sufficient cohesive strength while still in a green state and prior to drying such that the sheet does not rupture as the sheet exits the counter-rotating rollers; anddrying the sheet to a significant degree in an accelerated manner such that the sheet is substantially dried in less than about 10 minutes after the hydraulically mixture is formed into the sheet.

이 특허를 인용한 특허 (43)

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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Methods for manufacturing sheets from hydraulically settable compositions 원문보기

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Methods for manufacturing sheets from hydraulically settable compositions 원문보기

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이 특허를 인용한 특허 (43)

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