Title:
WASHER, NUT, BOLT, AND FASTENING METHOD
Document Type and Number:
Japanese Patent JP2018003945
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a washer capable of being easily manufactured and obtaining a strong looseness prevention effect, a nut, a bolt, and a fastening method.SOLUTION: A washer 10 used in fastening of an object A to be fixed and having a looseness prevention effect, includes a washer body 12, and a particle adhesion part 16 that is formed on a front face 13 and rear face 14 of the washer body 12 and to which a plurality of ultrahard particles 15 such as diamond, tungsten carbide or silicon carbide adhere.SELECTED DRAWING: Figure 1
Inventors:
FUJITA SHOGO
Application Number:
JP2016130794A
Publication Date:
January 11, 2018
Filing Date:
June 30, 2016
Export Citation:
Assignee:
FS TECHNICAL CORP
International Classes:
F16B39/24; F16B35/00; F16B37/00; F16B39/282; F16B43/00
Attorney, Agent or Firm:
Shinryo International Patent Office