Pipe joints or couplings – Essential catch – Leaf spring
Patent
1993-02-22
1994-12-13
Nicholson, Eric K.
Pipe joints or couplings
Essential catch
Leaf spring
285307, 285346, 285 15, F16L 3708
Patent
active
053723910
ABSTRACT:
An attachment mechanism for repairing or extending fluid carrying pipes, casings, conduits, etc. utilizing one-way motion of spring tempered fingers to provide a mechanical connection between the attachment mechanism and the pipe. The spring tempered fingers flex to permit insertion into a pipe to a desired insertion depth. The mechanical connection is accomplished by reversing the insertion motion and the mechanical leverage in the fingers forces them outwardly against the inner wall of the pipe. A seal is generated by crushing a sealing assembly by the action of setting the mechanical connection.
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Bast Richard M.
Chesnut Dwayne A.
Henning Carl D.
Lennon Joseph P.
Pastrnak John W.
Gaither Roger S.
Moser William R.
Nicholson Eric K.
Sartorio Henry
The United States of America as represented by the United States
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