B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
29/49
B23B 5/16 (2006.01)
Patent
CA 1332276
APPARATUS FOR TREATING ENDS OFLARGE-DIAMETER WELDED PIPE Abstract of the Disclosure: A large-diameter welded steel pipe having a straight seam and tab plates attached to its ends as extensions of the seam is laid along a setting line with the seam upward. An apparatus for treating the ends of such a pipe has a tab plate cutting unit and a bead removing unit. The tab plate cutting unit cuts the tab plates off with a torch. The bead removing unit removes the weld beads on the inner surface of the ends of the pipe by cutting them with a rotary cutter.
526214
Fukukawa Yoshitsugu
Nishida Atsushi
Nishioka Mamoru
Takemori Akio
Kashiwara Machine Manufacturing Co. Ltd.
Riches Mckenzie & Herbert Llp
Sumitomo Metal Industries Ltd.
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