Metal deforming – By extruding through orifice – With cutting
Patent
1976-02-03
1977-09-20
Yost, Frank T.
Metal deforming
By extruding through orifice
With cutting
225 93, B21C 2300
Patent
active
040488322
ABSTRACT:
A separating device for separating the ring-shaped press skin from a composite extrusion disc comprising a press disc and a stripper disc, especially for copper containing alloys and difficult to press metals and alloys, according to which the press disc is spaced from the stripper disc by an annular intermediate space for receiving the press skin. The device includes a separating head with a passage or recess into which project two blocks located opposite to each other. When the combined extrusion disc on its way through the passage passes between these blocks the projecting blocks enter the intermediate space for stripping off the press skin. The distance between the straight guiding means of the blocks is located within a range of from the length of the inner diameter of the combined extrusion disc to a length composed of the length of the inner diameter plus about the thickness of the press skin.
REFERENCES:
patent: 3112560 (1963-12-01), Wagoner
patent: 3373592 (1968-03-01), Robra et al.
patent: 3785036 (1974-01-01), Tada et al.
patent: 3808590 (1974-04-01), Hemmer et al.
patent: 3813756 (1974-06-01), Rigsby
Brand Herbert
Gast Leonard
Raab Richard
Spindler Kurt
Becker Walter
DIEHL
Yost Frank T.
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