Title:
NAIL WITH SCREW
Document Type and Number:
Japanese Patent JP2023100166
Kind Code:
A
Abstract:
To provide a nail with a screw capable of increasing a surface area of a multi-threaded screw, to strengthen fixing force obtained by frictional force due to an adhesion portion of a wooden material.SOLUTION: A nail with a screw is composed of a shaft part 4, a head part 2 provided at one end of the shaft part 4 and a sharp part 3 provided at the other end, where a helical multi-threaded screw 5 is formed on the shaft part 4, and a plurality of locking grooves 7 is provided in a mountain part 6 of the multi-threaded screw 5. A long concave groove 10 is formed along a spiral direction on an outer surface of a spiral top part in the mountain part 6 of the multi-threaded screw 5.SELECTED DRAWING: Figure 1
Inventors:
WAKAI TOSHIHIRO
Application Number:
JP2022000655A
Publication Date:
July 18, 2023
Filing Date:
January 05, 2022
Export Citation:
Assignee:
WAKAI HOLDINGS CO LTD
International Classes:
F16B15/00; E04D1/34