Nipple insert

Details Nipple insert Nipple insert

1983-03-24

1986-07-22

Husar, Cornelius J.

Pipe joints or couplings

With fluid pressure seal

Flexible lip

285347, 285351, 285379, F16L 1700

Patent

active

046014942

ABSTRACT:
A nipple for use in a Christmas tree bypass tool has an outer, molded rubber sleeve thereon and an inner steel insert, a portion of which forms a seal against a skirt on the rubber sleeve. The seal between the insert and the skirt prevents high pressure in the tool from reaching and acting on the bond between the rubber sleeve and the nipple.

REFERENCES:
patent: 1173211 (1916-02-01), O'Donnell
patent: 2031754 (1936-02-01), Bacigalupi
patent: 2245963 (1941-06-01), Crickmer
patent: 2477533 (1949-07-01), Whiting
patent: 2935343 (1960-05-01), Ellis
patent: 3226137 (1965-12-01), Trnka
patent: 3573871 (1971-04-01), Warner
patent: 3791678 (1974-02-01), De Putter
Composite Catalog of Oil Field Equipment & Sales, 33rd Revision, 1978-1979, published by World Oil, pp. 72-73.

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