Pipe joints or couplings – With means blocking release of holding means – Auxiliary latch
Patent
1990-03-28
1992-07-21
Reese, Randolph A.
Pipe joints or couplings
With means blocking release of holding means
Auxiliary latch
285233, 285261, 285348, 285 92, F16L 3500
Patent
active
051316897
ABSTRACT:
A flexible non-metallic coupling comprising an outer ring member having an internal bore with a pair of `O` rings carrying internal inserts slidable and rotatable within the bore, each insert being secured to a pipe end by a shape memory alloy ferrule and being retained in the bore by a nut.
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patent: 4886304 (1989-12-01), Kunsman
Aberle Timothy
Marston Palmer Limited
Reese Randolph A.
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