Title:
内面接合装置および接合方法
Document Type and Number:
Japanese Patent JP7183001
Kind Code:
B2
Abstract:
To provide an inner surface joint device which enables reduction of the risk to a worker when the inner surface joint device is broken.SOLUTION: An inner surface joint device (1) includes: a first contact jig (12) which contacts with an insertion port side end surface of an existing pipe; a chain (30) which is connected to the first contact jig and applies tensile force, acting in a direction where a joint pipe is joined to the existing pipe, to the joint pipe to be joined to the existing pipe; and an auxiliary chain (14) which restricts movement of the chain if connection between the chain and the first contact jig is released.SELECTED DRAWING: Figure 1
Inventors:
Ayumi Kawase
Application Number:
JP2018211769A
Publication Date:
December 05, 2022
Filing Date:
November 09, 2018
Export Citation:
Assignee:
Kubota Corporation
International Classes:
F16L1/00
Domestic Patent References:
| JP9273660A | ||||
| JP2000249253A | ||||
| JP2005325580A | ||||
| JP7119864A | ||||
| JP2000055265A | ||||
| JP60146671U | ||||
| JP11141737A | ||||
| JP54047122A |
Attorney, Agent or Firm:
Patent business corporation HARAKENZO WORLD PATENT & TRADEMARK