Title:
DEVICE AND METHOD FOR RIPPING GUM OF CONVEYOR BELT
Document Type and Number:
WIPO Patent Application WO/2002/068162
Kind Code:
A1
Abstract:
A device and a method for ripping the gum of a conveyor belt capable of separating steel cords from each other and ripping and removing the gum around the separated steel cords efficiently, generally completely through the entire length of a specified portion, and sufficiently uniformly when the endless connection of the conveyor belt having steel cords buried therein is performed; the device for ripping the gum, comprising a ripper having a cutter of three blade structure formed by holding, in the state of the tip of the thin blade projected from the tip of the holder, a thin blade having a blade tip portion formed in an inverse chevron shape between two combination holder blades having a blade tip portion formed in an inverse chevron shape, or a ripper having a cylindrical cutting blade formed by holding a linear thin blade between semi-cylindrical two combination cutting blades so as to be projected upward and downward detachably installed in a two blade combination holder continued to the linear thin blade.
Inventors:
ARITA KATSUO (JP)
Application Number:
PCT/JP2002/001612
Publication Date:
September 06, 2002
Filing Date:
February 22, 2002
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
ARITA KATSUO (JP)
ARITA KATSUO (JP)
International Classes:
B26D1/00; B26D1/02; B26D1/03; B26D1/04; B26D3/28; B29B17/02; B29B17/04; (IPC1-7): B26F3/00
Foreign References:
| JPH0231694U | 1990-02-28 | |||
| JPS6254696A | 1987-03-10 | |||
| JPS63267193A | 1988-11-04 |
Other References:
See also references of EP 1371463A4
Attorney, Agent or Firm:
Hirota, Koichi (NAGARE & ASSOCIATES Shin-Yoyogi Bldg. 206 19-1, Yoyogi 1-chome Shibuya-ku Tokyo, JP)
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