Preparation of laminated material

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156256, 156264, 144333, 144348, 144352, 144366, B32B 3118

Patent

active

048183210

ABSTRACT:
A process for the preparation of a laminated material including the steps of cutting open an annual lignocellulosic stalk in the fiber direction with a knife; flattening the lignocellulosic stalk by means of a roller press to form a compressed stalk, one face of which consists of its epidermis; arrangement a plurality of the compressed stalks in parallel with each other to form a sheet; coating the sheet with a resin adhesive; stacking a plurality of the sheets coated with the adhesive; and then bonding with heat and pressure by means of a hot press. The laminated material in the form of boards has an equal to or higher flexural strength than conventional plywood or also has excellent sound absorbing and heat insulating properties in comparison with conventional particleboard or fiberboard.

REFERENCES:
patent: 67320 (1867-07-01), Klein
patent: 1645812 (1927-10-01), Lane
patent: 1688569 (1928-10-01), Wensel
patent: 2256946 (1941-09-01), Hill

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