Metal deforming – With cutting
Patent
1976-06-22
1977-07-26
Duzan, James R.
Metal deforming
With cutting
72379, 113116V, 113116BB, B21D 4328
Patent
active
040374556
ABSTRACT:
Two metal rings are produced having a concave C-shaped cross section, open in an axial direction. In particular, annular sealing members are formed by deep-drawing a strip, the outside diameter of one ring being slightly smaller than the inside diameter of the other ring.
REFERENCES:
patent: 1912000 (1933-05-01), Kloss et al.
Audi NSU Auto Union Aktiengesellschaft
Duzan James R.
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