Pipe joints or couplings – With casing – lining or protector – Lined
Patent
1997-04-14
1999-09-21
Knight, Anthony
Pipe joints or couplings
With casing, lining or protector
Lined
2853345, 138109, 138114, 138140, 264269, F16L 914, F16L 2500, B29C 3106
Patent
active
059543710
ABSTRACT:
Plastic-lined fittings and their method of manufacture. The fittings are capable of being joined without flanges to plastic-lined piping systems. The fittings feature a zero tolerance fit between the liner and the metal portion of the fitting, and an outward expansion of the portion of the liner which extends past the metal portion.
REFERENCES:
patent: 4377894 (1983-03-01), Yoshida
patent: 5199153 (1993-04-01), Schulte-Ladbeck
Koke Mark A.
Krause Brian W.
Miller Gerald A.
Yanacek James A.
Crane & Co.
Grafel Gary
Knight Anthony
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