Pipe joints or couplings – With casing – lining or protector – Lined
Patent
1982-04-22
1984-05-08
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
Lined
285179, 285336, 285363, F16L 914
Patent
active
044470762
ABSTRACT:
The invention pertains to conduit assemblies, such as pipeline assemblies. A first conduit section comprises a first tubular conduit body. A second conduit section comprises a second tubular conduit body connected in end-to-end relation with the first conduit body. The bodies have opposed end faces. The second conduit section further comprises a tubular lining disposed within the second conduit body and having an inner diameter substantially equal to the inner diameter of the first conduit section. An annular seal sealingly engages between the opposed end faces of the conduit body, the seal being sufficiently rigid to maintain an axial gap between said end faces. The tubular lining extends beyond the end face of its respective conduit body into said axial gap and abuts the first conduit section at its inner diameter. Such extending portion of the tubular lining is preferably beveled on its outer side to form a lip at its inner diameter for noncompressive abutment with the first conduit section.
REFERENCES:
patent: 2374763 (1945-05-01), Martin
patent: 2699344 (1955-01-01), Bissell
patent: 3142499 (1964-07-01), Lang
patent: 3429588 (1969-02-01), Nelson
patent: 3551006 (1970-12-01), James
patent: 3794359 (1974-02-01), Fiser
patent: 4117201 (1978-09-01), Keifert
patent: 4130300 (1978-12-01), Sheridan
Arola Dave W.
Oreco III, Inc.
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