Wire drawing die assembly

Details Wire drawing die assembly Wire drawing die assembly

1993-01-12

1995-04-04

Crane, Daniel C.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

72282, B21C 314

Patent

active

054026644

ABSTRACT:
A wire drawing die assembly has removable pressure and draw nibs held in screw-together holders. The pressure nib projects somewhat from its holder and presses the draw nib into a converging passageway in the draw nib holder. A lubricant pressure chamber is formed between the nibs for lubricant which is introduced through the front end of the pressure nib. When the draw nib becomes worn, the holders can be separated and the worn nib can be readily replaced.

REFERENCES:
patent: 1684102 (1928-09-01), Leustig
patent: 1896674 (1931-01-01), Longwell
patent: 2028652 (1934-06-01), Mulatier
patent: 2109312 (1936-06-01), Dimmick
patent: 2539716 (1948-07-01), Bairstow et al.
patent: 3145832 (1964-08-01), Case
patent: 3526115 (1967-09-01), Armstrong et al.
patent: 3740990 (1973-06-01), Prajsnar et al.

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