Metal deforming – By pulling workpiece through closed periphery die – Movable die
Reexamination Certificate
2008-03-25
2008-03-25
Crane, Daniel C (Department: 3725)
Metal deforming
By pulling workpiece through closed periphery die
Movable die
Reexamination Certificate
active
07347074
ABSTRACT:
A drawbench (11, 111) of a wire (13), unwinding from a reel (14) and pulled step by step by an utilizing machine (15) of drawn wire, said drawbench (11, 111) having an unusually high productivity and comprising a drawing die (17) guided in a mobile manner on a frame (16), a device (18, 118) for moving said die (17) along a drawing stroke, rearming means (19) of said device (18, 118), said rearming means (19) comprising the die (17).
REFERENCES:
patent: 2226400 (1940-12-01), Gaines
patent: 2337881 (1943-12-01), Gaines
patent: 2797799 (1957-07-01), Ehlert
patent: 3031068 (1962-04-01), Ware
patent: 3183699 (1965-05-01), Ehlert
patent: 3184943 (1965-05-01), Ware
patent: 3273372 (1966-09-01), Ehlert et al.
patent: 5724847 (1998-03-01), Hite
patent: 1 169 231 (1969-10-01), None
Akerman & Senterfitt
Crane Daniel C
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