Title:
CAULKING BOLT
Document Type and Number:
WIPO Patent Application WO/2017/150210
Kind Code:
A1
Abstract:
There is provided a caulking bolt which can be fastened by a general nut even when used to fix thin plates to each other, and which can also provide fitting strength similar to that of conventional products. The caulking bolt includes a head part 11 and a shaft part 12, and has a non-circular, flat, rotation preventive protrusion 14 formed on a seat surface 13 of the head part. Also, the upper end of a normal complete thread part 17 formed in the shaft part 12 is brought close to the seat surface 13 of the head part with a distance of 3 pitches or less, and an incomplete thread part 18 formed at the portion of 3 pitches or less is used as a stopper part into which a metal flows when the caulking bolt is driven into a metal plate.
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| JPH0842543 | METHOD AND STRUCTURE FOR ATTACHING NUT WITH SEAL |
Inventors:
HOSHINO NAOKI (JP)
OHTA TOSHIYA (JP)
YOSHIDA MITSUKI (JP)
FUKUCHI TOMOYUKI (JP)
MATSUNAMI SHIGEKI (JP)
FUJIMOTO YUKINORI (JP)
OMURA JUN (JP)
OHTA TOSHIYA (JP)
YOSHIDA MITSUKI (JP)
FUKUCHI TOMOYUKI (JP)
MATSUNAMI SHIGEKI (JP)
FUJIMOTO YUKINORI (JP)
OMURA JUN (JP)
Application Number:
PCT/JP2017/005846
Publication Date:
September 08, 2017
Filing Date:
February 17, 2017
Export Citation:
Assignee:
AOYAMA SEISAKUSHO (JP)
International Classes:
F16B37/06
Foreign References:
| US3782436A | 1974-01-01 | |||
| EP2402620A1 | 2012-01-04 | |||
| US3127919A | 1964-04-07 | |||
| US3770037A | 1973-11-06 | |||
| JP2011241905A | 2011-12-01 | |||
| US6125524A | 2000-10-03 | |||
| JP2012013121A | 2012-01-19 | |||
| JPS6357135B2 | 1988-11-10 |
Attorney, Agent or Firm:
NAJIMA PATENT OFFICE (JP)
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