Corrugated hose coupling

Details Corrugated hose coupling Corrugated hose coupling

1981-09-28

1984-01-03

Arola, Dave W.

Pipe joints or couplings

Essential catch

285331, 285DIG4, F16L 3708

Patent

active

044238916

ABSTRACT:
A random length of corrugated hose forms part of a male/female coupling. According to the preferred embodiment the male connector is formed around the corrugated hose itself. One or more O-rings are seated in the exterior grooves closest to the end of the hose to be sealed. A split lock ring is then placed in one of the grooves behind the O-ring seals. The combination comprises the male portion of the invention which is received in a cavity in the female connector. A spring-loaded retaining clip is carried by a pair of parallel grooves in the female connector and adapted to close behind the split lock ring thereby preventing the female connector from disengaging from the corrugated hose. According to an alternative embodiment the O-ring seal may be placed inside the corrugated hose, thereby making the corrugated hose the female portion of the coupling which is adapted to receive a complimentary male connector.

REFERENCES:
patent: 1242568 (1917-10-01), Loughridge
patent: 2438472 (1948-03-01), Calcott
patent: 2441344 (1948-05-01), Bosworth
patent: 2521127 (1950-09-01), Price
patent: 2535016 (1950-12-01), Launder
patent: 3314696 (1967-04-01), Ferguson et al.
patent: 3565464 (1971-02-01), Wolf
patent: 3625551 (1971-12-01), Branton
patent: 3667785 (1972-06-01), Kapeker
patent: 3929356 (1975-12-01), De Vincent et al.
patent: 4046451 (1977-09-01), Juds et al.
patent: 4141576 (1979-02-01), Lupke
patent: 4368904 (1983-01-01), Lanz

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