High-temperature laminated insulating member

Details High-temperature laminated insulating member High-temperature laminated insulating member

1986-11-12

1987-10-06

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428167, 428213, 428217, 428220, 428430, 428446, 428920, B32B 300, B32B 330, B32B 702, B32B 900

Patent

active

046982779

ABSTRACT:
An asbestos-free, unitary insulating member comprises two juxtaposed layers: a first layer of refractory material, and a thicker layer of thermoset resin filled with glass fibers. The first layer was fully cured separate from the second layer, and its inboard side has a relatively coarse surface. The two layers were joined to one another concurrently with the resin in the second layer being cured under pressure in a heated mold, whereby some of the resin penetrates the interstices of the coarse surface of the first layer to form a strong interlayer bond.

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patent: 4392335 (1983-07-01), Heiman
patent: 4605588 (1986-08-01), Simpson et al.

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