B - Operations – Transporting – 21 – J
Patent
B - Operations, Transporting
21
J
78/27
B21J 5/10 (2006.01) B21C 23/01 (2006.01) B21C 23/22 (2006.01) B21J 9/04 (2006.01)
Patent
CA 1194348
ABSTRACT OF THE DISCLOSURE The invention is a process for forming a bimetallic pipe having an outer steel shell and an inner lining resistant to corrosive fluids passing through the pipe, involving upsetting a steel ingot having a generally square outer cross-section and housing a generally circular cylindrical core of the lining material, the billet having a generally circular cylindrical outer cross-section after the upsetting, the upset billet then being axially pierced by a hot perforating tool. Also claimed is the resultant compound metallic body.
419209
Bilbao Eguiguren Jesus Maria
Martinez Garin de Lazcano Jose Ignacio
Bilbao Eguiguren Jesus Maria
Gowling Lafleur Henderson Llp
Martinez Garin de Lazcano Jose Ignacio
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