Pipe joints or couplings – Essential catch
Patent
1980-11-24
1983-09-20
Arola, Dave W.
Pipe joints or couplings
Essential catch
285315, 285322, 285332, 285DIG7, 285320, 604283, 604905, F16L 3708
Patent
active
044051638
ABSTRACT:
A coupling for connecting the ends of medical apparatus tubes. The coupling has male and female conical mating elements on first and second end pieces. Each end piece is adapted to receive the end of a tube. The end pieces are locked together to prevent unintentional separation. Locking is achieved by at least one finger extending from one end piece to the other end piece. The finger, in addition to its locking function, resists tension when tensile stress is applied to a coupled tube.
REFERENCES:
patent: 1043683 (1912-11-01), Fieser
patent: 1104955 (1914-07-01), Bellows
patent: 1113080 (1914-10-01), Wilson
patent: 2446599 (1948-08-01), Knaggs
patent: 2675829 (1954-04-01), Livers
patent: 2868564 (1959-01-01), Arras
patent: 3394950 (1968-07-01), Jensen
patent: 3724882 (1973-04-01), Dehar
patent: 3918679 (1975-11-01), Silvana
patent: 4068870 (1978-01-01), Whitney et al.
patent: 4108475 (1978-08-01), Fleischer
Haacke Claus
Heise Peter
Voges Karl-Friedrich
Arola Dave W.
Intermedicat GmbH
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