Title:
SCREW AND METHOD OF CONTROLLING FASTENING OF THE SAME
Document Type and Number:
Japanese Patent JP2022041452
Kind Code:
A
Abstract:
To provide a screw and a method of controlling fastening of the same which can inspect fastening force relatively easily regardless of a shape or a size, and can adjust the fastening force without requiring an additional member during fastening.SOLUTION: A screw is made of a material having magnetostrictive effect. The material is preferably a magnetostrictive material or a composite material containing the magnetostrictive material. The magnetostrictive material is preferably an iron cobalt based alloy containing 69 at% to 79 at% of Co.SELECTED DRAWING: Figure 1
Inventors:
MORI KOTARO
NARITA FUMIO
NARITA FUMIO
Application Number:
JP2020146660A
Publication Date:
March 11, 2022
Filing Date:
September 01, 2020
Export Citation:
Assignee:
UNIV IBARAKI
UNIV TOHOKU
UNIV TOHOKU
International Classes:
F16B35/00; F16B31/02
Attorney, Agent or Firm:
Shuji Kusunoki