Methods of and devices for cold drawing seamless metal tubes...

Details Methods of and devices for cold drawing seamless metal tubes... Methods of and devices for cold drawing seamless metal tubes...

B - Operations, Transporting

21

C

205/13, 205/40

B21C 25/02 (2006.01) B21C 1/24 (2006.01) B21C 37/16 (2006.01)

Patent

CA 1229068

METHODS OF AND DEVICES FOR COLD DRAWING SEAMLESS METAL TUBES EACH HAVING UPSET PORTIONS ON BOTH ENDS ABSTRACT OF THE DISCLOSURE A method of and draw bench for cold drawing seamless metal tubes each having a upset portion on both ends, which comprises 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 are movable with each other for changing a cross-sectional reducing area between the reducing die and the plug.

452075

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