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Patent Searching and Data


Title:
DEVICE AND METHOD FOR CUTTING AND REMOVING ASBESTOS PIPE
Document Type and Number:
Japanese Patent JP2000314239
Kind Code:
A
Abstract:

To provide a device and a method for efficiently and safely cutting and removing an asbestos pipe installed in old buildings with a small amount of water.

This asbestos pipe cutting and removing device comprises a cylindrical bit 15 having a hole-saw type cutting blade 19 on one end face, a boring rod 14 to move the bit 15 straight, a means 12 to rotate the bit, and an injection port 18 to inject high-pressure water in the vicinity of the bit. A cylindrical guide member 21 to guide the bit 15 along an asbestos pipe is provided on an inner circumference of the cutting blade of the bit 15. Only a thick-walled portion is cut by rotating the bit 15 in an advancing direction while the cutting blade 19 is abutted on the thick-walled portion of the asbestos pipe 20, and beat generation caused by the cutting is suppressed.


Inventors:
YAMAJI MASUMI
Application Number:
JP12431299A
Publication Date:
November 14, 2000
Filing Date:
April 30, 1999
Export Citation:
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Assignee:
YAMAJI JIDOSHA KOGYO KK
International Classes:
B28D1/14; E04G23/08; (IPC1-7): E04G23/08; B28D1/14
Attorney, Agent or Firm:
Mayumi Ehado (1 person outside)