Title:
工具及び工法
Document Type and Number:
Japanese Patent JP7382153
Kind Code:
B2
Abstract:
To provide a tool which has a simple structure and has good work efficiency, and a method having good work efficiency.SOLUTION: A tool 2 forms a screw hole in a lying existing piping, and includes a boring member 10 forming a hole in piping P, a tap 20 forming a female screw, a downward rotary shaft 30 transmitting a rotary force to the boring member 10 and the tap 20, a downward cylinder 40 storing the downward rotary shaft 30 that can freely advance and retract, a transmission mechanism 50 transmitting power to the downward rotary shaft 30, an upward cylinder 70 storing the transmission mechanism 50, and an engaging arm 80 that can be engaged with the piping P.SELECTED DRAWING: Figure 2
Inventors:
Takayuki Sasaki
Application Number:
JP2019081728A
Publication Date:
November 16, 2023
Filing Date:
April 23, 2019
Export Citation:
Assignee:
Takayuki Sasaki
International Classes:
B23G1/52; B23B41/08; B23B45/14; B23G1/22; B23G1/24
Domestic Patent References:
| JP2011005593A | ||||
| JP62029208U | ||||
| JP62166912A |
Attorney, Agent or Firm:
Natsuki Kameyama
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