Stress reducing liner and method of fabrication

Details Stress reducing liner and method of fabrication Stress reducing liner and method of fabrication

1972-04-28

1980-01-29

Lechert, Jr., Stephen J.

Ammunition and explosives

Igniting devices and systems

1491088, 264 3R, F42B 100

Patent

active

041855574

ABSTRACT:
A stress reducing liner for a solid rocket motor comprising a first layer polybutadiene based material, a second layer of perforated silicone rubber and a third layer of polybutadiene based material is fabricated by (1) coating the inner surface of a rocket motor casing with a curable polybutadiene based first layer material, (2) simultaneously heating and spinning the casing to cure the material in an even layer, (3) placing perforated silicone rubber over the cured first layer, (4) coating the silicone rubber layer with another uncured polybutadiene based material and (5) repeating the simultaneous heating and spinning procedure of step (2).

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patent: 3489714 (1970-01-01), Sayles
patent: 3578520 (1971-05-01), Dolan et al.
patent: 3649389 (1972-03-01), Barron

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