Pipe coupling with auxiliary clamp

Details Pipe coupling with auxiliary clamp Pipe coupling with auxiliary clamp

2011-08-16

2011-08-16

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

With fluid pressure seal

Flexible lip

C285S369000, C285S223000

Reexamination Certificate

active

07997626

ABSTRACT:
A pipe coupling including at least one annular clamp housing at an end of a body, the at least one annular clamp housing having an opening for inserting therein a pipe and including clamp members and a tightening element that fastens and tightens the clamp members towards each other in a direction transverse to an axial length of the body so as to apply a radially-inward clamping force on a pipe inserted in the opening, at least one auxiliary clamp including auxiliary clamp members located near the at least one annular clamp housing, and an auxiliary tightening element that fastens and tightens the auxiliary clamp members towards each other in a direction transverse to the axial length of the body so as to apply a radially-inward clamping force on the pipe inserted in the opening.

REFERENCES:
patent: 1364529 (1921-01-01), Thomas, Jr.
patent: 3176064 (1965-03-01), Browne
patent: 5563374 (1996-10-01), Hubert
patent: 5941576 (1999-08-01), Krausz
patent: 6293556 (2001-09-01), Krausz
patent: 7219934 (2007-05-01), McMahon et al.
patent: 7243955 (2007-07-01), Krausz et al.
patent: 2007/0024056 (2007-02-01), Borland
patent: 2007/0273151 (2007-11-01), Krausz et al.

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