Metal deforming – Tool and/or tool holder – Tool comprising closed periphery deforming passageway
Patent
1977-06-20
1979-03-27
Mehr, Milton S.
Metal deforming
Tool and/or tool holder
Tool comprising closed periphery deforming passageway
B21C 304
Patent
active
041459105
ABSTRACT:
A reusable draw or ironing die includes a tool steel body having an axial hole therethrough. A first carbide insert is shrunk fit into the axial hole and a second carbide insert is press fit within the first carbide insert.
REFERENCES:
patent: 2602539 (1952-07-01), See
patent: 3178925 (1965-04-01), Nolan et al.
patent: 3918288 (1975-11-01), Verduzco et al.
Carmet Company
Dropkin Robert F.
Gioia Vincent G.
Mehr Milton S.
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