Title:
PIPE CONNECTION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/163252
Kind Code:
A1
Abstract:
According to the present invention, a connection structure is configured to include: the base end-side region 46 of a bending piece 24 located nearest a base end and having a center axis O; the front end-side region 50 of a connection fitting 35, which has a smaller outer diameter than the base end-side region 46 of the bending piece 24 nearest the base end and which can slide along the center axis O into the base end-side region 46 of the bending piece 24 nearest the base end; the head section 47b of a rivet 47, which is affixed so as to protrude in the direction of the center axis O from the inner peripheral surface of the base end-side region 46 of the bending piece 24 nearest the base end; a first groove section 52a which is provided in the front end-side region 50 of the connection fitting 35, contains the head section 47b of the rivet 47, and allows the head section 47b to slide from the front end side to the base end side; and a second groove section 52b which is in communication with the first groove section, contains the head section 47b of the rivet 47, allows the head section 47b to slide in a direction intersecting the direction of the center axis O, and has an end surface against which the slid head section 47b is caused to abut.
Inventors:
KOBAYASHI KEI (JP)
Application Number:
PCT/JP2018/044757
Publication Date:
August 29, 2019
Filing Date:
December 05, 2018
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
F16L21/08; A61B1/00; G02B23/24
Foreign References:
| JP2006180933A | 2006-07-13 | |||
| JPS4890076U | 1973-10-30 | |||
| JPS57187909U | 1982-11-29 | |||
| JPS57116610U | 1982-07-20 | |||
| JPS59171168U | 1984-11-15 | |||
| JP2017148300A | 2017-08-31 | |||
| JP2013202304A | 2013-10-07 |
Attorney, Agent or Firm:
ITOH Susumu (JP)
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