CAP AND FORM BLOCK OF CAP, STATIONERY STRUCTURE PART WITH USE OF CAP, METHOD FOR MOUNTING CAP

Japanese Patent JP2015182578

A

PROBLEM TO BE SOLVED: To make it possible to prevent falling of a cap from a fastener with a simple structure of a low cost having a good productivity.SOLUTION: A cap 9 is applied to a stationery structure part 1 in which structural materials 3, 3 are fixed to each other by a fastener 5, which is inserted into through holes 3a formed in the structural materials 3, 3 and a collar 7 fastened to a tip 5a of the fastener 5, and is mounted in the state such that the cap is not engaged with the tip 5a of the fastener 5 and the collar 7. An inner peripheral surface 9e of the cap 9 is provided with a filler engagement part 91 which has a female thread rotating about a center axis CL and engages with a cured filler 11. The filler engagement part 91 includes: a first spiral engagement part 91a which is formed in a region on the cap inner side of the inner peripheral surface 9e in the center axis CL direction; and a second spiral engagement part 91b which is formed in a region on a cap opening end 9a side in the center axis CL direction, has an inner diameter larger than that of the first spiral engagement part 91a, and of which a spiral direction is opposite to that of the first spiral engagement part 91a.

BESSHO MASAHIRO
ISHIKAWA NAOMOTO
KAMIHARA NOBUYUKI
KAMINO YUICHIRO
TANAKA HISATSUGU
MASUKAWA TAKAHISA

JP2014060244A

October 22, 2015

March 24, 2014

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MITSUBISHI HEAVY IND LTD

B64C1/00; B29C45/26; B64D45/02; F16B37/14; F16B41/00

JP2012232692A	2012-11-29
JP2010254287A	2010-11-11

WO2012147645A1	2012-11-01
WO2013117756A1	2013-08-15
US20090126973A1	2009-05-21
US4826380A	1989-05-02

Noriharu Fujita
Kunio Ueda

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