Device for cold drawing seamless metal tubes having upset portio

Details Device for cold drawing seamless metal tubes having upset portio Device for cold drawing seamless metal tubes having upset portio

1984-04-13

1986-08-19

Crane, Daniel C.

Metal deforming

By pulling workpiece through closed periphery die

Utilizing plural metal-deforming tools

72276, 72285, B21C 124

Patent

active

046062122

ABSTRACT:
A draw bench for cold drawing seamless middle tubes having upset portions on both ends. The draw bench includes a die control device, a plug control device including a plug having large and small diameter bearing portions and a draw unit. The die control device and the plug control device and the plug control device are moveable with respect to each other for changing the cross-sectional reducing area between the reducing die and the plug.

REFERENCES:
patent: 565726 (1896-08-01), De Los Rice
patent: 3290916 (1966-12-01), Louis et al.

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