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Safety valve

  • US 4,527,588 A
  • Filed: 12/14/1983
  • Issued: 07/09/1985
  • Est. Priority Date: 12/14/1983
  • Status: Expired due to Fees
First Claim
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1. A safety valve for permitting the flow of fluid through a resilient tube operatively associated with a fluid flow device comprises:

  • a valve body formed with a fluid passageway therethrough having an inlet and an outlet;

    a valve head formed with a peripheral land and connected to said valve body with the outlet intermediate the inlet and said valve head;

    a resilient tube attached to said valve body for fluid communication with said outlet and disposed around said valve head for fluid sealing engagement between the inside surface of said tube and the surface of said land on said valve head when said tube is disengaged from the fluid flow device;

    means for fixedly connecting said valve body relative to the fluid flow device; and

    means for engaging said tube with the fluid flow device to distort said tube in a direction transverse to the surface of said land to disengage a portion of the inner surface of said tube from said land to permit fluid flow through said tube.

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