Pipe joints or couplings – With casing – lining or protector
Patent
1991-02-28
1992-07-07
Arola, Dave W.
Pipe joints or couplings
With casing, lining or protector
285 38, 285315, 285381, 156 86, F16L 5500
Patent
active
051276780
ABSTRACT:
Airhose coupling device including end fittings and quick disconnect release switches having protection for preventing damage to surfaces coming in contact therewith.
REFERENCES:
patent: 3052488 (1962-09-01), Bruning
patent: 4007909 (1977-02-01), Buseth et al.
patent: 4732412 (1988-03-01), Van de Linden et al.
patent: 4792162 (1988-12-01), Medvick
patent: 4896904 (1990-01-01), Gadsdem et al.
patent: 5058928 (1991-10-01), Watson
Arola Dave W.
Donahue B. A.
Gardner Conrad O.
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