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Patent Searching and Data


Title:
ROLLING EQUIPMENT TRAIN FOR SEAMLESS PIPE
Document Type and Number:
Japanese Patent JPH07185607
Kind Code:
A
Abstract:

PURPOSE: To produce product pipes of a wide range of outside diameters from a continuously cast hollow pipe stock at low cost.

CONSTITUTION: This rolling equipment train for seamless pipes is provided with an expansion rolling line for finishing continuously cast hollow pipe stock 2 to the final outside diameter larger than the outside diameter of the continuously cast hollow pipe stock 2 by expanding with an expansion rolling mill 4 and a reduction rolling line for finishing the continuously cast hollow pipe stock 2 to the final outside diameter smaller than the outside diameter of the continuously cast hollow pipe stock 2 by reduction with a reducing machine 3.


Inventors:
Shimizu, Tetsuo
Yorifuji, Akira
Toyooka, Takaaki
Application Number:
JP1993000348966
Publication Date:
July 25, 1995
Filing Date:
December 28, 1993
Export Citation:
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Assignee:
KAWASAKI STEEL CORP
International Classes:
B21B17/14; B21B19/06; B21B19/08; B21B45/04; (IPC1-7): B21B19/06; B21B17/14; B21B19/08; B21B45/04