Title:
APPARATUS FOR BORING WEB OF SHAPE STEEL
Document Type and Number:
WIPO Patent Application WO/1997/017156
Kind Code:
A1
Abstract:
An apparatus for boring a web of shape steel, comprising a boring unit (24) squarely facing a web of cramped shape steel (19), and an arm plate (11) for supporting the boring unit (24). The apparatus is further provided with a fastening unit (18) fixed to the arm plate (11) to support the shape steel (19) on the opposite side of the boring unit (24) by urging it in the direction substantially parallel to the axis of rotation of the boring unit (24).
Inventors:
OMI SHOHEI (JP)
URASHIMA-CHIKAYUKI (JP)
ISHIKAWA TARO (JP)
URASHIMA-CHIKAYUKI (JP)
ISHIKAWA TARO (JP)
Application Number:
PCT/JP1996/003255
Publication Date:
May 15, 1997
Filing Date:
November 07, 1996
Export Citation:
Assignee:
OMI KOGYO KK (JP)
OMI SHOHEI (JP)
URASHIMA CHIKAYUKI (JP)
ISHIKAWA TARO (JP)
OMI SHOHEI (JP)
URASHIMA CHIKAYUKI (JP)
ISHIKAWA TARO (JP)
International Classes:
B23B41/00; B23B45/08; E01B31/06; (IPC1-7): B23B41/00
Foreign References:
| JPH05345210A | 1993-12-27 | |||
| JPS5969841U | 1984-05-11 |
Other References:
See also references of EP 0806259A4
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