Title:
BOLT REMOVAL PREVENTION MATERIAL
Document Type and Number:
Japanese Patent JP2017116027
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a bolt removal prevention material which achieves good workability to a fastened member.SOLUTION: A bolt removal prevention material 1 includes: a cylindrical part having a metal inner fitting part 12 in which a bolt insertion hole 1a is formed and an outer fitting part 11 provided at an outer side of the inner fitting part 12; a protruding part which protrudes from the cylindrical part to an inner side of the bolt insertion hole 1a and may engage with a screw part 2C of a bolt 2; and a flange part 13 which protrudes from an axial end part of the inner fitting part 12 to the outer side. The outer fitting part 11 is formed by a material having elasticity higher than that of a metal material forming the inner fitting part 12.SELECTED DRAWING: Figure 3
Inventors:
YOSHIDA TAKAHIRO
MATSUDA TAKAHIRO
SHINOHARA TSUTOMU
MATSUDA TAKAHIRO
SHINOHARA TSUTOMU
Application Number:
JP2015253779A
Publication Date:
June 29, 2017
Filing Date:
December 25, 2015
Export Citation:
Assignee:
FUJIKIN KK
International Classes:
F16B41/00; F16B43/00
Attorney, Agent or Firm:
Wilfort International Patent Office
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