Invention Grant
- Patent Title: Apparatus for boring webs of steel sections
- Patent Title (中): 用于镗削钢筋网的设备
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Application No.: US860933Application Date: 1997-07-09
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Publication No.: US5938378APublication Date: 1999-08-17
- Inventor: Shohei Omi , Chikayuki Urashima , Taro Ishikawa
- Applicant: Shohei Omi , Chikayuki Urashima , Taro Ishikawa
- Applicant Address: JPX
- Assignee: Omi Kogyo Co. Ltd.
- Current Assignee: Omi Kogyo Co. Ltd.
- Current Assignee Address: JPX
- Priority: JPX7-317516 19951109
- Main IPC: B23B41/00
- IPC: B23B41/00 ; B23B45/08 ; E01B31/06 ; B23B39/00
Abstract:
The apparatus for boring a web of a section. The apparatus is provided with a boring device which is opposed perpendicular to the web of a clamped section and arm plates for supporting the boring device. The apparatus further has a clamping mechanism for clamping the section from each side thereof along the direction substantially parallel to the rotational axis of the boring device.
Public/Granted literature
- US5359671A Character-recognition systems and methods with means to measure endpoint features in character bit-maps Public/Granted day:1994-10-25
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