Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1981-03-23
1983-07-12
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72 98, B21B 1906
Patent
active
043923690
ABSTRACT:
Diagonal rolls for stretching hollows are of a truncated-cone-like configuration, each with two shoulders and a recess in between, for cooperation with a cylindrical mandrel rod in order to obtain a two-stages-in-one reduction in wall thickness; the shoulders merge in smoothing surfaces.
REFERENCES:
patent: 817796 (1906-04-01), Nicholson
patent: 1897770 (1933-02-01), Severin
patent: 2060768 (1936-11-01), Assel
Brensing Karl-Heinz
Knauf Walter
Kummerling Rolf
Ramdohr Detlef
Larson Lowell A.
Mannesmann Aktiengesellschaft
Siegemund Ralf H.
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