ROSETTE WASHER

Japanese Patent JP2018053930

A

PROBLEM TO BE SOLVED: To prevent a problem such as damage from being generated at a line tape or a packing even when a packing is pierced into an anchor nail in such a case as one in which the line tape is fixed onto a ground by the anchor nail.SOLUTION: A packing depressing part 6 opened downward while including a center head top part 2 provided with an insertion hole 12 of an anchor nail A and a dome part 3 expanded at its entire circumference is formed, the center head top part 2 is formed with a fitting recess part 13 for fitting a nail head h of the anchor nail A, a boss part 14 protruding downward is formed by a wall forming the fitting recess part 13, an outer peripheral edge part of the dome part 3 is formed with a downward faced large diameter ring surface 5, the lower end of the boss part 14 is formed with a downward small diameter ring surface 17, and the packing depressing surface is formed by all the outer peripheral surface of the dome part 3, the lower surface of the dome part 3, the large diameter ring surface 5 of the dome part 3 and the small diameter ring surface 17 of the dome part 3.SELECTED DRAWING: Figure 1

JP2014095473	LEAKAGE-RESISTANT FASTENING DEVICE
JPS607441	[Title of the device] Floating mounting device

ITAKURA MASAMI

JP2016187333A

April 05, 2018

September 26, 2016

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GLASS FIBER KOKEN CO LTD

F16B43/00; A63C19/06; E04H6/42; F16B15/00; F16B15/02

JPS5243059A	1977-04-04
JPS49143678U	1974-12-11
JPS4746532B1
JPH05332341A	1993-12-14

US20150354613A1

2015-12-10

Toshio Yasuda
Mikio Yasuda

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