Title:
OPTICAL SURFACE INSPECTION DEVICE FOR MILL ROLL
Document Type and Number:
WIPO Patent Application WO/1993/001488
Kind Code:
A1
Abstract:
An optical surface inspection device for use in obtaining a still image of the surface of a mill roll, wherein a housing box having a see-through window portion and disposed therein, a stroboscopic illuminating device and a television camera is provided with a mechanism for removing waterdrops from the periphery of the outside of the window portion, thereby making it possible to remove scattered waterdrops generated from cooling water for the roll from the periphery to thereby precisely recognize the surface condition of the mill roll with the roll kept rolling.
Inventors:
FUKUDA MAKOTO (JP)
AZUMA MAKOTO (JP)
DEJIMA KATSURO (JP)
MAEDA YUKIYOSHI (JP)
YOSHITAKE KUNIHIKO (JP)
AZUMA MAKOTO (JP)
DEJIMA KATSURO (JP)
MAEDA YUKIYOSHI (JP)
YOSHITAKE KUNIHIKO (JP)
Application Number:
PCT/JP1992/000617
Publication Date:
January 21, 1993
Filing Date:
May 14, 1992
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B21B27/10; B21B38/00; G01B11/30; G01N21/88; G01N21/89; B21B28/04; (IPC1-7): B05B1/00; B21B27/10; B21B28/02; G01N21/88
Foreign References:
| JPS59174204A | 1984-10-02 | |||
| JPS6329237A | 1988-02-06 | |||
| JPS6415951U | 1989-01-26 | |||
| JPS5512322B2 | 1980-04-01 |
Other References:
See also references of EP 0547227A4
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