Title:
道路用伸縮継手
Document Type and Number:
Japanese Patent JP6681621
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an expansion joint for road which improves a cutoff performance in connecting expansion joints that are adjacent in a length direction of a joint part of a road bridge or the like, with each other in accordance with a simple method, suppresses water leakage from a connection location and is capable of easily connecting the adjacent expansion joints with each other in field work.SOLUTION: Each of a pair of joint members 21 constituting an expansion joint 20 includes side plate parts 30, in both side ends, for connecting with a joint member 21 that is adjacent in a length direction of a joint part. A packing groove 30a is formed in at least any one of the adjacent side plate parts 30, and a packing 31 including a wrapped part 31a that protrudes towards an opposite joint member side is disposed in the packing groove 30a. Between the opposing joint members, an elastic sealing material 32 wrapping the wrapped part 31a of the packing is provided.SELECTED DRAWING: Figure 5
Inventors:
Osamu Umemoto
High Osamu Osamu
Norio Shinohara
High Osamu Osamu
Norio Shinohara
Application Number:
JP2016155731A
Publication Date:
April 15, 2020
Filing Date:
August 08, 2016
Export Citation:
Assignee:
Hinode Water Supply Equipment Co., Ltd.
International Classes:
E01C11/02; E01D19/06
Domestic Patent References:
| JP2013064305A | ||||
| JP2001140206A | ||||
| JP2008069596A | ||||
| JP2006257720A | ||||
| JP2008063789A |
Foreign References:
| US4784516 |
Attorney, Agent or Firm:
Eiwa patent office