Laminated material and process for manufacturing the same

Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...

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144333, 428109, 428110, 428114, 428218, 428220, 428375, 428376, 428532, 428534, 4285371, B32B 512, B32B 902, E04C 216

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active

054569648

ABSTRACT:
A laminated material comprises a plurality of straight portions of vegetable stalks, each having an epidermis mainly of lignocellulose and a porous core. These vegetable stalks straight portions are impregnated with a thermal hardener solution of high-molecularizable liquid compound, resinified liquid, or mixtures thereof, arranged in parallel to form a layer of a sheet-like material, piling these sheet-like materials and pressing them to make these layers come to contact closely in flat condition. It is possible to make the directions of vegetable stalks in the sheet-like material different from the neighboring layers in order to strengthen a bending strength and other physical strength of the piled multi-layer laminated material, such as a pillar-like laminated material. Such pillar-like material is made by using a pair of pressing female mold and male mold, vegetable stalks being placed in the female mold and hot-pressed. After these vegetable stalks are laminated, the resin compound in the thermal hardener solution is set or harden.

REFERENCES:
patent: 225735 (1980-03-01), Townsend
patent: 3464881 (1969-09-01), Miller
patent: 3919017 (1975-11-01), Shoemaker
patent: 5248541 (1993-09-01), Tilby

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