Metal deforming – By use of tool acting during relative rotation between tool... – With tool surface orbiting around axis parallel to direction...
Patent
1992-11-23
1994-07-12
Jones, David
Metal deforming
By use of tool acting during relative rotation between tool...
With tool surface orbiting around axis parallel to direction...
140139, B21D 300, B21F 102
Patent
active
053277570
ABSTRACT:
The straightening jaw comprises a cubical chuck with a plane face end. The face end has an intake element and an exit element of a straightening groove. Between them is an opening arranged perpendicular to the face end. A straightening insert made of hard metal is inserted into the opening loosely but insured against twisting. On the face end, the straightening insert has a of saddle-shaped straightening indentation that connects the intake and exit elements. Because of this structure, long service lives of the straightening jaw and shorter down times of the straightening device causing low production costs are achieved.
REFERENCES:
patent: 1473256 (1923-11-01), Shuster
patent: 3335764 (1967-08-01), Pilling
patent: 4177843 (1979-12-01), Sarver
patent: 4920776 (1990-05-01), Denzler
Jones David
Pantex Stahl AG
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