Composite laminate insulating body

Details Composite laminate insulating body Composite laminate insulating body

1971-12-20

1976-05-25

McCamish, Marion E.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428251, 428257, 428304, 428310, 428312, 428332, B32B 700, B32B 1500, B32B 1700, B32B 1900

Patent

active

039595412

ABSTRACT:
A preformed laminate insulating body including an inner layer of a substantially rigid cellular ceramic or siliceous insulating material positioned adjacent the surface to be insulated, a layer of reinforcing material adhesively secured thereto by a bonding agent, and an outer layer of similar cellular ceramic or siliceous insulating material preferably having a thickness less than 2 inches. The reinforcing layer limits cracks and fissures in the first layer of cellular insulating material, caused by thermal stress, from propagating through the outer layer of cellular insulating material; and even though some cracks and fissures do occur in the outer layer of insulating material, the reinforcing layer bonds the two layers of insulating material so securely that the integrity and the insulating property of the laminate body are preserved.

REFERENCES:
patent: 2641561 (1953-06-01), Black
patent: 3325341 (1967-06-01), Shannon
patent: 3506534 (1970-04-01), Finan
patent: 3546061 (1970-12-01), Kraemer et al.
patent: 3614967 (1971-10-01), Royston

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