Pipes and tubular conduits – Repairing
Patent
1976-11-04
1980-02-05
Lanham, C. W.
Pipes and tubular conduits
Repairing
137 15, 138118, 29446, 2940212, 285 2, 285 31, 285 15, 285223, 285225, B23P 700
Patent
active
041864751
ABSTRACT:
Method and means of rapidly repairing damaged portions of conduits and pipes which are difficult or impossible to weld, whereby in the vicinity of the pipes to be maintained prepared replacement pipe sections are stored each together with two associated quick-action unions which comprise an annular coupling body bridging the pipe ends to be joined and having at least one threaded portion and a sealing insert which may be compressed by means of plugs adapted to be screwed into the threaded portion, and after cutting out a portion of the pipe which includes the damaged area and the length of which corresponds substantially to the length of the prepared replacement pipe section the latter is inserted into the pipe line and sealed by tightening and quick-action unions.
REFERENCES:
patent: 398526 (1889-02-01), McCloskey
patent: 1997845 (1935-04-01), Adams
patent: 2068876 (1937-01-01), Snyder, Jr.
patent: 2543954 (1951-03-01), Barber
patent: 2595705 (1952-05-01), Rosecranz, Sr.
patent: 2673100 (1954-03-01), Shumaker
patent: 3488072 (1970-01-01), Allen et al.
patent: 3552781 (1971-01-01), Helland
patent: 3837685 (1974-09-01), Miller
patent: 3865410 (1975-02-01), Chen
Lanham C. W.
NYBY Bruk AB
Rising V. K.
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