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Propellent grains

  • US 3,109,374 A
  • Filed: 12/07/1956
  • Issued: 11/05/1963
  • Est. Priority Date: 12/07/1956
  • Status: Expired due to Term
First Claim
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1. A SOLID PROPELLANT GRAIN, SAID GRAIN COMPRISING A SELF-OXIDANT, SOLID PROPELLANT MATRIX, THE COMBUSTION OF WHICH GENERATES PROPELLANT GASES, AND HAVING AT LEAST ONE INITIAL EXPOSED IGNITION SURFACE, SAID MATRIX CONTAINING EMBEDDED THEREIN AN ELONGATED METAL HEAT CONDUCTOR COATED WITH A SOLID, INERT, NON-METAL COMPOSITION CHARACTERIZED BY SUBSTANTIALLY LOWER HEAT CONDUCTIVITY THAN THAT OF THE METAL, SAID COATED MEMBER HEAT CONDUCTOR BEING POSITIONED SUBSTANTIALLY NORMAL TO THE PLANE OF SAID INITIAL

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