HEAD SCREW AND MANUFACTURING METHOD THEREOF

Title:

HEAD SCREW AND MANUFACTURING METHOD THEREOF

Document Type and Number:

Japanese Patent JP2023180319

Kind Code:

A

Abstract:

To provide a head screw which is improved in rigidity while suppressing an increase of a mass.SOLUTION: In a head screw, a male screw thread is formed at a shaft part which extends from a head part. The head screw comprises a resin molded part and a reinforcing shaft. The resin molded part is composed of a synthetic resin material, and integrally constitutes the head part and the shaft part. The reinforcing shaft is embedded into the resin molded part over the shaft part from the head part, and formed into a rod shape having an axial core on an axial core of the shaft part. The reinforcing shaft has an external peripheral face having irregularities, and shaft holes opened at the head part along the axial core of the shaft part, and at least at one end of the shaft part.SELECTED DRAWING: Figure 1

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Inventors:

YAMAZAKI HIROFUMI
NISHIGAKI YASUHIRO

Application Number:

JP2022093511A

Publication Date:

December 21, 2023

Filing Date:

June 09, 2022

Export Citation:

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Assignee:

TATSUMIKASEI CORP

International Classes:

F16B35/00; B29C45/14; B29C45/26

Domestic Patent References:

JP2006342898A	2006-12-21
JP2011027182A	2011-02-10
JP2014511468A	2014-05-15
JPS59142506U	1984-09-22
JPS4878361A	1973-10-20

Foreign References:

US20140271035A1

2014-09-18

Attorney, Agent or Firm:

Takao Hayashi

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