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System for injecting particulate material into the combustion chamber of a repetitive combustion coating apparatus

  • US 3,967,761 A
  • Filed: 11/04/1974
  • Issued: 07/06/1976
  • Est. Priority Date: 04/08/1974
  • Status: Expired due to Term
First Claim
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1. A system for injecting predetermined quantities of particulate coating material into a chamber from an elongated tape forming a plurality of discrete tubular capsules each encapsulating a predetermined quantity of particulate coating material, each capsule having an inlet face and an outlet face at opposite ends of the tubular capsule, said system comprising:

  • means for forming a seal around the tubular capsule to seal the inlet face from the outlet face,inlet manifold means including valve means for applying a pneumatic pulse to the inlet face, said inlet manifold means being separable from said means for forming a seal around the tubular capsule, andoutlet manifold means including an outlet port communicating with the outlet face of the capsule and the chamber wherein the particulate coating material can be co-mingled with a hot gas to heat and accelerate it against a work piece.

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