Pipe joint fixing ring

Details Pipe joint fixing ring Pipe joint fixing ring

1997-07-07

1999-02-09

Arola, Dave W.

Pipe joints or couplings

Packed

Flanged pipe

285411, F16L 1706

Patent

active

058684425

ABSTRACT:
The subject invention relates to a type of pipe joints fixing ring, comprising two master fixing blocks, an adjusting bolt connecting the two master fixing blocks, several slave fixing blocks, several connecting levers linking the master and slave fixing blocks, and several rollers fixed inside the master and slave fixing blocks, the inside two surfaces of said rollers are tapered planes, two pipe joints and a center ring with an O-ring that are clamped inside the master fixing blocks and the slave fixing blocks, the surfaces contacting the two joints and the rollers are tapered planes, so that by rotating to adjust the distance between the two master fixing blocks, the tapered planes on the rollers inside the master fixing blocks and the slave fixing blocks will push the tapered planes on the two joints, thus the two joints are securely tightened, to enable such integral features as evenly distributed tightening force, labor-saving tightening process and wider range of applications.

REFERENCES:
patent: 2640717 (1953-06-01), Scheuring
patent: 4781406 (1988-11-01), Hubener
patent: 5499849 (1996-03-01), Fend
patent: 5707089 (1998-01-01), Fend

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