Metal deforming – By pulling workpiece through closed periphery die – Producing a non-uniform product
Patent
1980-06-20
1982-02-02
Larson, Lowell A.
Metal deforming
By pulling workpiece through closed periphery die
Producing a non-uniform product
72283, 72370, B21C 3720
Patent
active
043133282
ABSTRACT:
A hollow, tubular blank is provided with annular, radially inwardly and/or outwardly extending protrusions by means of rolling or upsetting. These protrusions are provided with gearing teeth by means of an annular drawing die and a plug, one of these or both being provided with a gearing-forming profile.
REFERENCES:
patent: 2258242 (1941-10-01), Ditzel et al.
patent: 3744290 (1973-07-01), Sirois
Austermann Karl
Janssen Manfred
Schmidt Volker
Larson Lowell A.
Mannesmann Aktiengesellschaft
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