Multi-layer board

Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond

Patent

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Details

5230917, 156327, 428284, 428292, 428294, 428414, 428454, 428688, 428703, B32B 1312, B32B 1314

Patent

active

042923646

ABSTRACT:
A multi-layer load-bearing board comprising at least three layers of different composition includes a core or basic layer comprised of a cementitious inorganic material, a cover layer of a fiber-reinforced resin subjectable to forces and an intermediate layer of a hydrophilic and water-dilutable or water miscible resin interconnecting the core or basic layer and cover layers in a force-transmitting manner.

REFERENCES:
patent: 2451446 (1948-10-01), Parsons
patent: 3775240 (1973-11-01), Harvey
patent: 3809595 (1974-05-01), Nichols, Jr.
patent: 3922413 (1975-11-01), Reineman

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