B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
19/1
B30B 7/00 (2006.01) B27N 3/06 (2006.01) B30B 11/26 (2006.01)
Patent
CA 1227915
APPARATUS FOR FORMING STRUCTURAL SHEETS FROM FIBROUS BIOLOGICAL WASTE Bolek (nmi) Dvorak Inventor Abstract of the Disclosure The apparatus accepts dry stripped crude fiber such as straw or sugar cane wastes, coconut husks, or elephant grass, compacts them into a relatively dense sheet, and bonds a strong surfacing material such as a heavy paper to the faces and edges. The sheet, continuously flowing from the apparatus, is cut into standard lengths and the cut ends are capped with the same sur- facing material. A precompactor near the end of an entrance chute into the apparatus uniformly predensifies the incoming fiber prior to its compaction by means of a ram. The ram is carried an roller bearings especially adapted to withstand the weight and other forces associated with the continuous movement of the ram. The compacted material is continuously propelled by the ram and enters a press, where heat and pressure produce a dimensionally stable sheet bonded together partially by natural resins released from the fibers by the heat, and partially by mechanical interlinking between fibers. In the following opera- tion, the sheet is covered with the surfacing material, which is successively folded over and bonded to the edges of the sheet. The surfacing material, provided in discrete rolls, is continuously available from a feeder station which facilitates the substitution of a fresh roll as the material is consumed. In the following sawing and end sealing operations, fully surfaced sheets of standard lengths are produced.
426455
Moerman Richard A.
Smart & Biggar
Sullivan Barry
LandOfFree
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