Title:
RIVETING METHOD AND FASTENED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2024/004678
Kind Code:
A1
Abstract:
The present invention includes: a preparation step in which a back surface (50a) of a second fastenable member (50) is overlaid on a front surface (40a) of a first fastenable member (40) that has a lower hole (41); and a riveting step in which a rivet (1a) that is made of metal and has been set in a location distanced from a front surface (50b) of the second fastenable member (50) is moved toward the location of the lower hole (41), and the rivet (1a) is driven, in order, through the second fastenable member (50) and the first fastenable member (40), and made to arrive in the the lower hole (41). The lower hole (41) comprises a hole section (43) that has an inner wall surface with a tapering substantially conical shape or substantially truncated conical shape, the rivet (1a) comprises a first shaft section (3) with a tapered shape, the first shaft section (3) has a tip end section (3a1) that becomes narrower in diameter toward the tip end side, a helical groove (3b) is carved into the peripheral surface of the first shaft section (3) from the base end side to the tip end side, and the maximum interference is 3-13%.
Inventors:
HORI HISASHI (JP)
HASHIMURA SHINJI (JP)
HASHIMURA SHINJI (JP)
Application Number:
PCT/JP2023/022240
Publication Date:
January 04, 2024
Filing Date:
June 15, 2023
Export Citation:
Assignee:
NIPPON LIGHT METAL CO (JP)
SHIBAURA INST TECH (JP)
SHIBAURA INST TECH (JP)
International Classes:
F16B5/00; F16B15/00; F16B15/06
Foreign References:
| US20140023452A1 | 2014-01-23 | |||
| JPH07269529A | 1995-10-17 | |||
| JPH0490068U | 1992-08-06 | |||
| JP2013508643A | 2013-03-07 | |||
| JP2019039535A | 2019-03-14 | |||
| JPS5341569U | 1978-04-10 |
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (JP)
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