Title:
HOLE PLUG
Document Type and Number:
Japanese Patent JP2020003040
Kind Code:
A
Abstract:
To provide a hole plug capable of suppressing creep deformation at a seal flange part due to thermal load, to maintain sealability.SOLUTION: A hole plug 10 has a body part 30 and a seal flange part 50. The body part 30 has a closing part 31, an inside wall part 33, and an outside wall part 35 having an engaging part 39. The seal flange part 50 has a first flange part 51, and a second flange part 53 that is connected to the tip of the first flange part 51 via an angle changing part 55, and extends further so as to incline toward the insertion direction F with respect to the first flange part 51. The angle changing part 55 is provided with a thin part 57 having the smallest thickness in the normal direction of the outer surface of the seal flange part 50.SELECTED DRAWING: Figure 3
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Inventors:
NAMBU ERI
Application Number:
JP2018124717A
Publication Date:
January 09, 2020
Filing Date:
June 29, 2018
Export Citation:
Assignee:
PIOLAX INC
International Classes:
F16J13/14
Domestic Patent References:
| JP2011121575A | 2011-06-23 |
Foreign References:
| WO2012014531A1 | 2012-02-02 |
Attorney, Agent or Firm:
Shigeru Matsui