Corrugated hose coupling

Details Corrugated hose coupling Corrugated hose coupling

1992-12-21

1994-05-03

Arola, Dave W.

Pipe joints or couplings

Flexible joint, rigid members

Bellows

285351, 285370, 285903, 285304, F16L 2102

Patent

active

053081234

ABSTRACT:
A coupling for coupling a corrugated hose to a socket having a cylindrical body with a "U"-shaped annular recess therein. The hose has an outside surface with parallel grooves therein. The parallel grooves have slanted or tapered sides. Flexible "O"-rings are stretched over the outside surface and placed in the parallel grooves near one end of the hose. The hose with the "O"-rings thereon is pushed into the socket so that the "O"-rings contact the "U"-shaped recess. Each "O" ring provides a seal between each of the tapered sides of the groove in which it is positioned and the "U"-shaped annular recess to provide a three point contact air seal between the hose and the socket.

REFERENCES:
patent: 2551393 (1951-05-01), Pinger
patent: 3394954 (1968-07-01), Sarns
patent: 3565464 (1971-02-01), Wolf
patent: 3667785 (1972-06-01), Kapeker
patent: 3796447 (1974-03-01), de Putter
patent: 4006922 (1977-02-01), Bartholemew
patent: 4141576 (1979-02-01), Lupke et al.
patent: 4437691 (1984-03-01), Laney
patent: 4560189 (1985-12-01), Lang et al.
patent: 4702502 (1987-10-01), Shade et al.
patent: 4946206 (1990-08-01), Roe et al.
patent: 4995832 (1991-02-01), Thommen et al.
patent: 5053097 (1991-10-01), Johansson et al.

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