Contracting rim clamp

Details Contracting rim clamp Contracting rim clamp

1988-05-11

1990-01-02

Crane, Daniel C.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72367, 269 43, 269287, 228 493, B21D 4100

Patent

active

048904732

ABSTRACT:
A clamp encircles the outer rim of an out-of-round tubular pipe to reform the cross-section of same into one that is substantially round, the clamp including a ring frame, a plurality of pivotally mounted roller assemblies each having a roller to engage the pipe rim, and drive means for pivoting the roller assemblies such that the rollers simultaneously rotate to contract radially inwardly or outwardly relative to a circle defining the locus of pivot axes, the rollers describing first and second circles and being adapted to close into a circle having a diameter sized to engage the pipe, when inserted therein. The clamp can include multiple sets of separately adjustable roller assemblies.

REFERENCES:
patent: 3602031 (1971-08-01), Graff
patent: 3952936 (1976-04-01), Dearman
patent: 4492015 (1985-01-01), Dearman
patent: 4666138 (1987-05-01), Dearman

Affiliated with

Also associated with

Rating

Contracting rim clamp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Contracting rim clamp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Contracting rim clamp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1377488