Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1995-08-28
1997-08-19
Nicholson, Eric K.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285367, F16L 1700
Patent
active
056580215
ABSTRACT:
A pipe joint for connecting water supply pipe together and which utilizes compression seals between the pipe and the joint, and is comprised of a holding housing having a band body that surround a seal ring and a holding ring. A locking bolt is threadably tightened onto the holding housing. The seal ring is embedded and sealed within outside surface of both ends of the separated pipes after the locking bolt is threadably tightened. The holding ring is positioned to engage and become fully engaged within the groove at each of outside of the separated pipes, and hold the separation pipes against being easily separated after the locking bolt is threadably tight-end onto the holding housing.
REFERENCES:
patent: 2451354 (1948-10-01), Ohls
patent: 2479960 (1949-08-01), Osborn
patent: 3003793 (1961-10-01), Pitt
patent: 3116078 (1963-12-01), Scherer
patent: 3156489 (1964-11-01), Deringer
patent: 3851901 (1974-12-01), Sills
Fukuda Nobuhisa
Fuse Kenji
Kanazawa Masao
Maruhashi Yasumi
Matsumoto Shigeyuki
Benkan Corporation
Nicholson Eric K.
Schellin Eric P.
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