Apparatus for manufacturing a fiber reinforced inorganic hardene

Details Apparatus for manufacturing a fiber reinforced inorganic hardene Apparatus for manufacturing a fiber reinforced inorganic hardene

1992-12-15

1995-02-28

Nguyen, Khanh

Plastic article or earthenware shaping or treating: apparatus

Air felting type shaping means

Means forming stratified products

425 831, 425197, 425199, 425224, 425257, 425447, 264112, 264113, B29C 3920

Patent

active

053932145

ABSTRACT:
A fiber reinforced inorganic hardened body is manufactured from raw material consisting of a mixture of reinforcing fiber such as bamboo fiber, water-hardening inorganic binder and water by a manufacturing apparatus for stirring and mixing such raw material and forming it into a mat configuration laminated with the thin layers of fine fibers on both the front and rear sides of the thick layer of the normal raw material. The fine fiber material adhered with the water-hardening binder is partially separated from the main raw material at both the material supply side and material discharge side of a set of pin-type rolls. The portion of the fine fiber separated from the main raw material is first supplied to the upstream side of the forming conveyor to form a first layer of fine fiber. The remaining raw material is supplied onto this first layer of fine fiber on the forming conveyor to form a second layer of main raw material, and the other part of the fine fiber separated from the raw material at the material supply side is dropped onto the second main layer of the raw material to form a third layer of fine fiber, to thereby form a mat of raw material of the first and third layers of fine fiber and of a second layer of the main raw material therebetween. The laminated three layers of the mat are then compressed and cured to form a fiber reinforced inorganic hardened body.

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