Pipes and tubular conduits – Repairing
Patent
1978-06-12
1979-09-04
Stearns, Richard R.
Pipes and tubular conduits
Repairing
285 15, 285 55, F16L 5518
Patent
active
041664795
ABSTRACT:
An insertable plastic pipe liner and a blind locking service head including a means for installing the same in a damaged service pipe without removal or replacement thereof. The blind locking service head includes a pair of independent sealing gaskets arranged so as to permit pressure testing of the pipe liner after installation.
REFERENCES:
patent: 2543954 (1951-03-01), Barber
patent: 2784627 (1957-03-01), Mueller et al.
patent: 2926701 (1960-03-01), Campbell
patent: 3578360 (1971-05-01), Eliot
patent: 3696447 (1972-10-01), McKown
Cleavenger Associates Inc.
Stearns Richard R.
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