Pipe joints or couplings – Packed – Wedge
Patent
1982-12-08
1986-05-06
Callaghan, Thomas F.
Pipe joints or couplings
Packed
Wedge
285 39, F16L 3708
Patent
active
045867348
ABSTRACT:
A first tubular member is coupled to a pipe fitting or the like having a specially adapted embracing tubular member thereon. The embracing member has an inner bore dimensioned for snugly receiving the first tubular member, and the inner bore is provided with first and second shoulders. An annular locking member is seated against the first shoulder within the bore and engages the first tubular member so as to prevent its withdrawal from the embracing member. A deformable annular sealing member is disposed between the locking member and the second shoulder for sealing the first tubular member to the embracing member. A rigid annular member is interposed between and engages the sealing member and the locking member and is formed to urge the locking member into tighter locking configuration when the sealing member is deformed thereagainst. An annular guard member is seated against the second shoulder within the bore and shaped to engage the sealing member and to define a concave region for receiving a portion of the sealing member under deformation.
REFERENCES:
patent: 2272811 (1942-02-01), Nathan
patent: 2341164 (1944-02-01), Shimek
patent: 3507505 (1970-04-01), Muhlner et al.
patent: 3679241 (1972-07-01), Hoffmann
patent: 3879065 (1975-04-01), Kobayashi
patent: 4084843 (1978-04-01), Gassert
patent: 4146254 (1979-03-01), Turner et al.
patent: 4288113 (1981-09-01), Saulnier
Callaghan Thomas F.
General Industries, Inc.
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