[특허]Method of introducing addivites to fibrous products

Method of introducing addivites to fibrous products 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C03B-037/00
출원번호	US-0755956 (1991-09-06)
발명자 / 주소	Thiessen Leo K. (Littleton CO)
출원인 / 주소	Manville Corporation (Denver CO 02)
인용정보	피인용 횟수 : 52 인용 특허 : 0

초록 ▼

A process for introducing additive particles to extruded fibers during production of the fibers. Particles are directed into a moving stream of fibers during or after the fiber attenuation process. The movement of the fibers intermingles the particles with the fibers prior to the intermingled material being collected on a moving support. If liquid binder is sprayed onto the fibers it is subsequently set in an oven to bind the fibers and the particles to each other. The fibers preferably are mineral fibers and the particles may be fibers or particles introduced for a variety of reasons, such as to increase the strength of the product or to serve as extenders or fillers.

대표청구항 ▼

A process for producing a fibrous body, comprising the steps of: heating material capable of being fiberized to its softening point to liquefy the same; introducing the liquefied material into a spinning rotor having a sidewall containing openings therein whereby the liquid material is extruded through the openings by centrifugal force to form primary fibers; attenuating the primary fibers by means of a gaseous blast to cause the attenuated fibers to move toward a support in a column; introducing solid particles of additive material to the moving column of fibers by hurling the particles from a point within the column substantially uniformly radially outwardly into the column to thereby intermingle the particles with the fibers; introducing heat curable liquid binder to the moving intermingled fibers and additive particles; collecting a layer of the intermingled fibers and additive particles on the support; and heating the layer of fibers, additive particles and liquid binder to cure the binder. A process for producing a fibrous body, comprising the steps of: heating material capable of being fiberized to its softening point to liquefy the same; introducing the liquefied material into a pot having holes in the bottom thereof; continuously pulling primary fibers through the holes and attenuating the primary fibers within a forming tube by means of expanding gases from an attenuating flame that move the fibers in a stream within the forming tube toward a support; introducing solid particles of additive material to the moving stream of fibers by entraining the particles in a stream of air having a major component of movement in the same direction as the direction of movement of the stream of attenuated fibers and introducing the stream of air into the stream of fibers in an area substantially adjacent the upstream end of the forming tube; whereby the velocity of the expanding gases mixes the particles with the fibers in the stream to generally uniformly intermingle the fibers and the particles; introducing heat curable liquid binder to the moving intermingled fibers and additive particles; collecting a layer of the intermingled fibers and additive particles on the support; and heating the layer of fibers, additive particles and liquid binder to cure the binder.

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Frost, George W.; Endle, James P.; Lalouch, Lahoussaine, Inorganic fiber webs and methods of making and using.
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Pellegrin Michael T. ; Souers Dennis C. ; Loftus James E., Method and apparatus for integrating organic fibers with mineral fibers.
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Malle, Edward M.; Hood, Jay J., Method and manufacturing a glass fiber reinforced article, and a glass fiber reinforced article.
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Malle, Edward M.; Hood, Jay J., Method and manufacturing a glass fiber reinforced article, and a glass fiber reinforced article.
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Hartman David R. ; Shipp David L. ; Woodside Andrew B. ; Muellerleile Joan T., Method for forming pre-impregnated fibers suitable for processing into a composite article.
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Malle, Edward M.; Hood, Jay J., Method for manufacturing a glass fiber reinforced article, and a glass fiber reinforced article.
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Loftus James E. (Newark OH) Pellegrin Michael T. (Newark OH), Method of alternate commingling of mineral fibers and organic fibers.
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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

Method of introducing addivites to fibrous products 원문보기

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Method of introducing addivites to fibrous products 원문보기

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이 특허를 인용한 특허 (52)

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