Tube compressor

Details Tube compressor Tube compressor

1976-06-10

1977-08-23

Lanham, C.W.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72409, B21D 4104

Patent

active

040431720

ABSTRACT:
A device for use by plumbers and the like to compress the end of a length of hollow metal tubing such as a copper water pipe which has been expanded to a size greater than its normal diameter. The device allows such tubing to be compressed back to its normal diameter. A manually operable cam causes a hollow sleeve to move back and forth. The sleeve in turn causes a plurality of die members to move inwardly when the cam is activated. The sleeve is provided with a sloping inner surface and each of the plurality of die members is provided with a sloping outer surface having substantially the same angle of slope as the inner surface of the sleeve so that when the sleeve is moved by the cam, the plurality of die members will be uniformly forced inwardly to compress the end of a length of tubing inserted therebetween in a straight, uniform manner.

REFERENCES:
patent: 579214 (1897-03-01), Adams
patent: 3217519 (1965-11-01), Demler
patent: 3234776 (1966-02-01), Stoltz
patent: 3417598 (1968-12-01), Valente
patent: 3626450 (1971-12-01), Browne
patent: 3879834 (1975-04-01), Johnson

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