Method for making a rib-reinforced ablative thermal barrier

Details Method for making a rib-reinforced ablative thermal barrier Method for making a rib-reinforced ablative thermal barrier

1985-02-05

1987-05-05

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156191, 156215, 156242, 156245, 156293, 1563041, 1563043, 1563066, 1563069, 428167, 428182, 428222, B32B 330, B32B 3106

Patent

active

046629645

ABSTRACT:
An ablative thermal barrier on the interior surface of a cylindrical combustor is made by first molding a silicone rubber strip with shaped edges. The strip is then laid inside the combustor so that it runs circumferentially either as a helix or as a series of circles. The adjacent turns are spaced apart by a gap into which is interposed a thermosetting polymer material. The rubber is then pressed radially outward so that the adjacent turns are caused to press laterally against each other. The thermosetting material is then cured while in its resultant compressed condition, to make the material into a circular or helical rib which better retains the rubber in place during use.

REFERENCES:
patent: 2703299 (1955-03-01), Seymour et al.
patent: 3769118 (1973-10-01), Tariel et al.
patent: 3770555 (1973-11-01), Gladston et al.
patent: 3991243 (1976-11-01), Biddell
patent: 4448742 (1984-05-01), Kromrey
patent: 4456496 (1984-06-01), Suter et al.

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