Cork-resin ablative insulation for complex surfaces and method f

Details Cork-resin ablative insulation for complex surfaces and method f Cork-resin ablative insulation for complex surfaces and method f

1978-09-12

1980-05-27

Lesmes, George F.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156213, 156285, 264118, 264119, 264124, 260 172, B29C 1700, B29C 1704

Patent

active

042048990

ABSTRACT:
Cork-resin ablative insulation material is prepared in a form suitable for application to complex curved surfaces by mixing finely divided cork with a B-stage curable thermosetting resin, forming the resulting mixture into a block, B-stage curing the resin-containing block and slicing the block into sheets. The B-stage cured sheet is shaped to conform to the surface being insulated, and further curing is then performed. Curing of the resin only to B-stage before shaping enables application of sheet material to complex curved surfaces and avoids limitations and disadvantages presented in handling of fully cured sheet material.

REFERENCES:
patent: 2671733 (1954-03-01), Ostermayer
patent: 3055057 (1962-09-01), Flotron
patent: 3284260 (1966-11-01), Best
patent: 3591447 (1971-07-01), Juhl
patent: 3784433 (1974-01-01), Garnish et al.
patent: 3821135 (1974-06-01), King
patent: 4053667 (1977-11-01), Smith

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