Title:
SEAL MEMBER, SEAL MECHANISM, LIQUID DISCHARGE DEVICE, AND METHOD FOR MANUFACTURING SEAL MECHANISM
Document Type and Number:
Japanese Patent JP2019100449
Kind Code:
A
Abstract:
To provide a seal mechanism capable of suppressing leakage of fluid resulting from welding, to obtain high sealability, at a seal portion where a plurality of members is connected and sealed.SOLUTION: A seal member 231, which is a resin molding connected to flow passage formation members 220, 230 constituting a flow passage in which fluid flows, has: a hole part 2310 constituting a part of the flow passage or including a part of the flow passage; a projection part 2311 enclosing an outer peripheral part of the hole part 2310; and a rib 2313 one portion of which is connected to a part of the projection part 2311, and the other portion of which is positioned inside or outside the projection part 2311. At a tip of the projection part 2311, a contact region 218 is provided so as to be pressure-welded to the flow passage formation members 220, 230.SELECTED DRAWING: Figure 1
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Inventors:
KONDO SOJI
Application Number:
JP2017231914A
Publication Date:
June 24, 2019
Filing Date:
December 01, 2017
Export Citation:
Assignee:
CANON KK
International Classes:
F16J15/10; B29C45/37; B41J2/175
Domestic Patent References:
| JP2013029204A | 2013-02-07 | |||
| JP2007277348A | 2007-10-25 | |||
| JP2016029136A | 2016-03-03 | |||
| JP2006027003A | 2006-02-02 | |||
| JP2014210418A | 2014-11-13 | |||
| JPH0791525A | 1995-04-04 | |||
| JPS5211356A | 1977-01-28 | |||
| JPS56130072A | 1981-10-12 |
Foreign References:
| EP0271984A2 | 1988-06-22 |
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata
Masaaki Ogata