Metal deforming – Process – Tube making or reshaping
Patent
1993-06-28
1995-06-20
Crane, Daniel C.
Metal deforming
Process
Tube making or reshaping
72148, 72183, B21C 3706
Patent
active
054252610
ABSTRACT:
In a preferred embodiment, a method and apparatus for forming thin-wall tubing for later welding of the seam thereof which includes tightly rolling upon itself a sheet of thin metal stock about a roller between layers of a flexible fabric. When released from the roller, the sheet metal springs back to form a near-perfect tube without the kinks, scratches, and/or dents commonly caused by conventional rolling methods.
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Hellman, Sr. Robert R.
Mullen Peter J.
Crane Daniel C.
Crozier John H.
Hellman, Sr. Robert R.
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