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Patent Searching and Data


Title:
CLAMPING DEVICE OF GUIDE FOR ROLLING STEEL BAR
Document Type and Number:
Japanese Patent JP3863859
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a clamping device of a guide for rolling a steel bar which can enhance the space efficiency of a rolling facility, and at the same time, can realize the improvement of the efficiency of rolling work.
SOLUTION: The clamping device is composed of a direct acting hydraulic cylinder 1 stored in a storage hole 4a of a rest bar 4, a clamping plate 2 for fixing the guide G for rolling the steel bar, and a clamping lock 3 which is arranged on the side opposite to a fluid pressure cylinder 1 across the clamping plate. The clamping plate 2, which is fixed to the tip of a piston rod 1a of the hydraulic cylinder 1, is movable in the rolling direction following the operation of the piston rod. The back part side of the clamping plate 2 is held by a lock bolt 11 and a lock nut 12 constituting a jack of the clamping lock 3. The jack always supports the clamping plate 2 even if troubles occur in the hydraulic system. As a result, the fixing of the guide for rolling the steel bar can not be released.


Inventors:
Takayama Katsura
Kazuo Yajima
Katsumitsu Nakamura
Tetsuya Kono
Shoji Okada
Toru Ito
Application Number:
JP2003141335A
Publication Date:
December 27, 2006
Filing Date:
May 20, 2003
Export Citation:
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Assignee:
Nippon Steel Corporation
Kotobuki Sangyo Co., Ltd.
International Classes:
B21B39/14; B21B39/16; (IPC1-7): B21B39/14; B21B39/16
Domestic Patent References:
JP63157407U
JP3091108U
JP6277737A
Attorney, Agent or Firm:
Susumu Kodaira