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Patent Searching and Data


Title:
EQUIPMENT FOR MANUFACTURING SEAMLESS STEEL TUBE
Document Type and Number:
Japanese Patent JP2001219206
Kind Code:
A
Abstract:

To obtain compact and inexpensive manufacturing equipment with which seamless steel tubes of from ordinary steel to high alloy steel are manufactured by a manufacturing line for seamless steel tubes using an inclined piercer.

In this equipment layout, the inclined piercer 2 which alone performs several times of piercing and elongating and a sizing machine 3 installed on the downstream side of the piercer are arranged.


Inventors:
Azuma, Shozo
Ariizumi, Takashi
Katsumura, Tatsuro
Oda, Tatsuharu
Application Number:
JP2000000033311
Publication Date:
August 14, 2001
Filing Date:
February 10, 2000
Export Citation:
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Assignee:
NKK CORP
International Classes:
B21B23/00; B21B17/14; B21B19/10; B21B45/00; B21B23/00; B21B17/00; B21B19/00; B21B45/00; (IPC1-7): B21B23/00; B21B17/14; B21B19/10; B21B45/00