Laminated material and process for manufacturing the same

Details Laminated material and process for manufacturing the same Laminated material and process for manufacturing the same

B - Operations, Transporting

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B27G 11/00 (2006.01) B27J 7/00 (2006.01) B27N 3/00 (2006.01) B32B 3/00 (2006.01) B32B 5/12 (2006.01) B32B 9/02 (2006.01) D21B 1/02 (2006.01)

Patent

CA 2048388

A laminated material comprises a plurality of straight portions of vegetable stalks, each having an epidermis mainly of lignocellulose and a porous core. These straight portions of vegetable stalks are impregnated with a thermal hardener solution of a high-molecularisable liquid compound, resinified liquid, or mixture thereof. The stalks are then arranged in parallel to form a layer of a sheet- like material, the sheet-like materials are stacked on each other and pressed to cause the layers to come into close contact in a flat condition. It is possible to alternate the directions of vegetable stalks in adjacent sheet-like materials in order to increase the bending strength and other physical strength of the stacked multi- layer laminated material, such as a pillar-like laminated material. Such pillar-like material is made by using a female mold and male mold, pressed together, the vegetable stalks being placed in the female mold and hot-pressed. After the vegetable stalks are laminated, the resin compound in the thermal hardener solution can be set or hardened by heat treatment.

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