Title:
BOLT CAP AND CORROSION-PREVENTION METHOD OF BOLT
Document Type and Number:
Japanese Patent JP2019194491
Kind Code:
A
Abstract:
To provide a bolt cap and a corrosion-prevention method of a bolt capable of facilitating workability for a corrosion preventive measure to bolts and nuts, and maintainability, improving adhesion to prevent falling of the bolt and the nut, and obtaining a significantly high rust preventive effect to the bolt and the nut.SOLUTION: A cylindrical bolt cap mounted on a bolt is constituted of a first cap having a cylindrical body formed into a cylindrical shape so as to cover the bolt, and made of a resin material impregnated with rust preventive oil in the inside, and a female screw portion having a female screw screwed to a male screw portion of the bolt, on an inner peripheral face of the cylindrical body.SELECTED DRAWING: Figure 1
Inventors:
ASA HIROSHI
Application Number:
JP2018241768A
Publication Date:
November 07, 2019
Filing Date:
December 25, 2018
Export Citation:
Assignee:
TOKYO DENSETSU SERVICE KK
International Classes:
F16B37/14; F16B41/00
Domestic Patent References:
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| JPS4836257U | 1973-05-01 | |||
| JPH0444513U | 1992-04-15 | |||
| JPS5747014A | 1982-03-17 | |||
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Attorney, Agent or Firm:
Yasushi Matsunuma
Junichi Kobayashi
Kazunori Onami
Matsumoto
Hiroyuki Matsumoto
Junichi Kobayashi
Kazunori Onami
Matsumoto
Hiroyuki Matsumoto