Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1972-12-08
1977-01-18
Arola, Dave W.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285231, 285345, 285369, 285379, 285383, 285423, F16L 1702
Patent
active
040035913
ABSTRACT:
Plastic socket of fibre reinforced thermosetting material comprising an inner push edge, a first recess at each end for positioning sealing means, which are held by means of a retaining ring which is accommodated in a second recess. The inner wall between the first recess and the push edge tapers outwardly.
REFERENCES:
patent: 1909478 (1933-05-01), Wilson
patent: 2245153 (1941-06-01), McWone
patent: 2991092 (1961-07-01), MccKay
patent: 3381715 (1968-05-01), Michael
patent: 3649053 (1972-03-01), Synder
patent: 3695639 (1972-10-01), Shire
patent: 3791678 (1974-02-01), Putter
patent: 3796447 (1974-03-01), Putter
Arola Dave W.
Industriele Onderneming Wavin N.V.
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