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.
Type:
Grant
Filed:
November 20, 2002
Date of Patent:
September 18, 2007
Assignee:
Georg Fischer Haustechnik AG
Inventors:
Michael Bamberger, Peter Heer, Renato Pinardi, Erasmo Porfido