Title:
ボルトキャップ
Document Type and Number:
Japanese Patent JP6742810
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a bolt cap capable of being easily attached to a bolt fastening part, and surely sealing the bolt fastening part to suppress corrosion at the part.SOLUTION: Provided are a bolt cap attached to a bolt fastening part and hermetically covering the outside of a bolt includes an air flow passage communicating between the inside and outside of the bolt cap in attaching/detaching, and sealing means of preventing communication of the flow passage in fixing; and an attaching/detaching method for the bolt cap hermetically covering the outside of the bolt. The bolt cap communicates between the inside and outside of the bolt cap in attaching/detaching, and intentionally prevents communication of the flow passage in fixing.SELECTED DRAWING: Figure 4A
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Inventors:
Toshio Yasuda
Kenya Ohashi
Yuji Tanaka
Kenya Ohashi
Yuji Tanaka
Application Number:
JP2016100954A
Publication Date:
August 19, 2020
Filing Date:
May 20, 2016
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
F16B37/14; F16B41/00
Domestic Patent References:
| JP48038137Y1 | ||||
| JP6257611A | ||||
| JP2013019512A |
Foreign References:
| US6135691 | ||||
| WO2015025130A1 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation