Mold release technique for solid propellant casting tooling

Details Mold release technique for solid propellant casting tooling Mold release technique for solid propellant casting tooling

1991-04-01

1992-11-03

Stoll, Robert L.

Static molds

Including coating or adherent layer

249115, 249134, 264 31, 264130, 264219, B28B 736, B29C 3356

Patent

active

H00011118

ABSTRACT:
Tooling for solid propellant casting consisting essentially of a shaped, filled polymer or copolymer article having an outer layer of cured polyvinyl butyral. The casting tooling is used extensively throughout the solid propellant industry to mold or form the solid propellant grain of rocket motors. The cured polyvinyl butyral layer provides improved mold release properties to the tooling.

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