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Powder barrier bonding technique

  • US 4,009,231 A
  • Filed: 03/20/1975
  • Issued: 02/22/1977
  • Est. Priority Date: 03/20/1975
  • Status: Expired due to Term
First Claim
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1. In a method for loading a rocket motor which comprises casting and curing a solid propellant within a combustion chamber which is lined with a layer of cured silicone rubber insulator material, the improvement residing in casting and curing a barrier layer on said layer of insulator material before casting and curing the propellant grain to prevent materials in the propellant grain from migrating into the insulator layer as the propellant grain cures.

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