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Composite base for a pressure transducer

  • US 5,014,557 A
  • Filed: 06/06/1990
  • Issued: 05/14/1991
  • Est. Priority Date: 06/06/1990
  • Status: Expired due to Fees
First Claim
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1. An improved composite base for a pressure transducer used to sense the pressure of a fluid, comprising:

  • a thin walled metal component having a generally cup-shaped configuration with a cylindrical shaped end portion, a midportion and an opposite open ended portion;

    means associated with the cylindrical end portion to attach the transducer to a source of pressurized fluid;

    the metal component including a radially outwardly projecting flange which extends about the open end creating an annularly shaped structure, the flange having a substantially continuous edge extending in the circumferential direction;

    an elastomeric plastic component of the base being hot molded about the metal component, a relatively thick portion of the plastic component located radially outwardly about the edge whereby as the plastic component cools subsequent to being hot molded about the edge, a substantial radially inwardly directed force is produced by the relatively thick portion of the plastic component on the edge for generating a leak resistant seal between plastic and metal.

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