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Pressure-rupturable container seal having a fluid flow directing shield

  • US 5,100,028 A
  • Filed: 11/30/1990
  • Issued: 03/31/1992
  • Est. Priority Date: 09/01/1989
  • Status: Expired due to Term
First Claim
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1. A fluid dispenser, the dispenser including a flexible vessel for containing a fluid, the vessel including:

  • A. a top wall and a bottom wall,B. means comprising a seal for concentrating in a region thereof forces resulting from pressure generated in the fluid by applying a force to the vessel, said seal sealing the top wall to the bottom wall; and

    C. a shield for directing released fluid in a desired direction,said vessel being sufficiently strong that a weaker of the top wall or the bottom wall at the seal ruptures at the region of concentration in response to the applied force to form an opening through which the fluid is dispensed.

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