Pipe joints or couplings – With casing – lining or protector – Lined
Patent
1998-09-28
1999-11-23
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
Lined
28514813, 2852881, 285321, 285351, 285906, F16L 914
Patent
active
059886927
ABSTRACT:
The present invention provides an improved metal to plastic pipe transition fitting. The transition fitting basically comprises a metal sleeve having a pair of metal pipe sections attached thereto and an annular groove within the interior thereof. A plastic pipe is disposed within the metal sleeve which extends through one of the metal pipe sections. The end of the plastic pipe within the metal sleeve includes a plurality of spaced plastic retention rings and a snap ring attached thereto and the snap ring is engaged within the annular groove in the metal sleeve. At least one O-ring is disposed between the retention rings on the plastic pipe and a metal stiffening insert is disposed within the end portion of the plastic pipe within the metal sleeve.
REFERENCES:
patent: 3784235 (1974-01-01), Kessler
patent: 4094536 (1978-06-01), Cole et al.
patent: 4284297 (1981-08-01), Godkin
patent: 4482170 (1984-11-01), Jacobson et al.
patent: 4588214 (1986-05-01), Guest
patent: 4681351 (1987-07-01), Barthlolmew
patent: 4715624 (1987-12-01), Frye
patent: 4793638 (1988-12-01), Baldwin
patent: 4997214 (1991-03-01), Reese
patent: 5174611 (1992-12-01), Byrd et al.
patent: 5326137 (1994-07-01), Lorenz et al.
patent: 5609370 (1997-03-01), Szabo et al.
Arola Dave W.
Central Plastics Company
Dougherty, Jr. C. Clark
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