Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1976-02-05
1977-07-12
Aegerter, Richard E.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
138109, 285345, 285379, F16J 1510
Patent
active
040349942
ABSTRACT:
A pipe joint in which an inner pipe is telescoped in an outer pipe includes a first and second expanded portion on the outer pipe. A packing member is disposed in the annular space between the second expanded portion and the inner pipe and a ring element is disposed in aligned annular grooves in the inner circumferential wall of the second expanded portion and the packing member. The ring element has a radial thickness equal to approximately one-half the difference between the inner diameters of the first and second expanded portions and serves to divide the packing member into two rim parts such that the latter are acted upon independently as the inner pipe is telescopically inserted into the outer pipe with the ring element preventing the rim parts from being axially displaced as the inner pipe is telescopically inserted in the outer pipe.
REFERENCES:
patent: 2225472 (1940-12-01), Franklin
patent: 2445963 (1948-07-01), Montgomery
patent: 2722438 (1955-11-01), Kennison
patent: 2953398 (1960-09-01), Haugen et al.
patent: 2991092 (1961-07-01), MacKay
patent: 3347293 (1967-10-01), Clark
patent: 3460427 (1969-08-01), Baumgarten
patent: 3520541 (1970-07-01), Rohani
Kashihara Jyunji
Nakamoto Toshio
Ohta Ryozo
Sakaguchi Masayuki
Shibata Michio
Aegerter Richard E.
Bryant III James E.
Jordan Frank J.
Kubota Engineering Co, Ltd.
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