Title:
PIPE INNER SURFACE TREATMENT DEVICE
Document Type and Number:
Japanese Patent JP2019118964
Kind Code:
A
Abstract:
To provide a pipe inner surface treatment device which can treat inner surfaces even for pipes with different inner diameters.SOLUTION: A pipe inner surface treatment device 1A comprises: an upper guide member 22a and a lower guide member 22b which are cantilevered, and have a second bearing 22c at a portion inserted in a pipe 30; a rotary shaft 21 of which a portion inserted in the pipe 30 is supported by the second bearing 22c; a rotary magnet 24 which is driven by the rotary shaft 21, and contacts an inner surface of the pipe 30; and a counter member 29 which is so provided as not to contact the inner surface of the pipe 30, and so makes a force against a reaction force from the inner surface of the pipe 30 contacting the rotary magnet 24 as to act on the rotary magnet 24, and which is different from the upper guide member 22a and the lower guide member 22b having the second bearing 22c.SELECTED DRAWING: Figure 1
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Inventors:
TOYAMA NORIYUKI
IDOMOTO YASUSHI
OTOSHI KIMIHIKO
KOBAYASHI JUNKO
IDOMOTO YASUSHI
OTOSHI KIMIHIKO
KOBAYASHI JUNKO
Application Number:
JP2017253133A
Publication Date:
July 22, 2019
Filing Date:
December 28, 2017
Export Citation:
Assignee:
KUBOTA KK
International Classes:
B24B5/40; B24B45/00
Attorney, Agent or Firm:
Harakenzo world patent & trademark