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Pipe connector

  • US 5,366,257 A
  • Filed: 12/30/1992
  • Issued: 11/22/1994
  • Est. Priority Date: 12/30/1992
  • Status: Expired due to Fees
First Claim
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1. An internally threaded, fluid-tight tubular connector device, comprising:

  • a tubular body of a plastic material;

    an annular insert situated within said body of said plastic material, said insert being made of a second material dissimilar to that of said tubular body;

    said insert having an internal thread;

    said insert having a thin annular flange means extending a substantial distance radially outward from the outer circumferential surface of said insert for locking said insert into the material of said tubular body;

    a measurable difference between the outer circumference of said annular flange means and said outer circumferential surface of said insert being substantially greater than the thickness of said annular flange means;

    said annular flange means providing at least one surface normal to said outer circumferential surface of said annular insert;

    said insert having an annular recess in said outer circumferential surface and a sealing O-ring positioned in said recess.

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