Quick-release coupling for pipes

Details Quick-release coupling for pipes Quick-release coupling for pipes

2007-09-18

2007-09-18

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

Movable jaw

C285S249000, C285S257000, C285S319000

Reexamination Certificate

active

10496398

ABSTRACT:
A quick-action coupling for coupling pipes includes a tubular inner part having an outer surface for supporting a pipe to be coupled; an inner sleeve and a clamping ring, each surrounding at least a portion of the tubular inner part for clamping the pipe to be coupled between the outer surface of the tubular inner part and the clamping ring; a toothed ring between the inner sleeve and the clamping ring; and an outer sleeve surrounding at least a portion of the inner sleeve, the toothed ring and the clamping ring, the outer sleeve comprises a cylindrical region having at least two inside diameters (d1, d2) and a conical region, wherein the clamping ring is received in the conical region.

REFERENCES:
patent: 1802572 (1931-04-01), Phillips
patent: 3214200 (1965-10-01), Carlson et al.
patent: 3376056 (1968-04-01), Linstead
patent: 4275907 (1981-06-01), Hunt
patent: 4712810 (1987-12-01), Pozzi
patent: 4722558 (1988-02-01), Badoureaux
patent: 5553901 (1996-09-01), Serot
patent: 5775742 (1998-07-01), Guest

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