Compression tool

Details Compression tool Compression tool

1992-06-08

1993-05-11

Crane, Daniel C.

Metal deforming

By tool-couple embodying nonplanar tool-face

With complementary tool-faces

72402, 29237, B21D 3904

Patent

active

052091007

ABSTRACT:
A compression tool for joining tubular workpieces is provided with two or more arcuate compression jaws displaceable relative to each other in such a manner that the jaws can be opened for placement o a tubular segment of the workpiece. The compression tool (121) comprises compression jaw supports (132, 133) pivotally mounted on pivot bolts (134, 135). Two compression jaws (142-145) of each jaw support are guided along guide surfaces (138-141) which subtend an angle symmetrical to the center of the compression space when the compression jaws are in a closed state. The compression jaws are biased by a spring (146-149) along the guide surfaces (138-141) toward terminal end stops (150-153). Movement of the jaw supports about the pivot bolts (126, 127) permits opening and closing of the compression jaws.

REFERENCES:
patent: 2381748 (1945-08-01), Howe
patent: 3154981 (1964-11-01), McDurmont
patent: 3706219 (1972-12-01), Hoffman
patent: 3744114 (1973-07-01), Melsom
patent: 3792603 (1974-02-01), Orain
patent: 4276765 (1981-07-01), Yoneda

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