Metal deforming – By pulling workpiece through closed periphery die – Utilizing specified work moving means
Patent
1977-08-29
1978-09-12
Keenan, Michael J.
Metal deforming
By pulling workpiece through closed periphery die
Utilizing specified work moving means
B21C 128
Patent
active
041127307
ABSTRACT:
In a carriage drawing machine for uniformly drawing elongated material to drawn, having two drawing carriages reciprocatingly displaceable in mutually opposite directions, a drawing jaw vise on each carriage for alternately gripping the material to be drawn, each of the vises having two drawing jaws held in a housing by a wedge structure with bearing rollers interposed which serves to self-lock during the drawing, both of said drawing jaw vises being disposed to receive and simultaneously draw two bars of the material to be drawn, at least one of the two drawing jaws being engageable in common with both of the bars, and including an equalizing support in association with the other of the two drawing jaws.
REFERENCES:
patent: 2380277 (1945-07-01), Weightman
patent: 2492544 (1949-12-01), Vetter
patent: 3416350 (1968-12-01), Eagleson et al.
patent: 3690133 (1972-09-01), Hilgers
patent: 3712104 (1973-01-01), Goeke
Greven Johann
Mostert Johann
Keenan Michael J.
Lerner Herbert L.
Schumag Schumacher Metallwerke Gesellschaft mit beschrankter Haf
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