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Patent Searching and Data


Title:
ANCHOR BOLT AND METHOD FOR INSTALLING SAME
Document Type and Number:
WIPO Patent Application WO/2022/163742
Kind Code:
A1
Abstract:
Provided are an anchor bolt that is not displaced under load and a method for installing the same. This bolt has a tip provided with a flange-shaped abutment stop, and a lock ring provided with a plurality of expansion pieces recurved and opened from an annular base end of the lock ring toward the outer side is inserted over this bolt such that the base end side is abutted against the abutment stop of the bolt. This structure makes this bolt function as an anchor bolt which bites the tips of the expansion pieces into a peripheral wall of a fixing hole when the expansion pieces are further opened by the installation. The tips of the expansion pieces are made to be acuter both in width and thickness. The lock ring produces higher strength when a plurality of lock rings are used with intermediation of spacers.

Inventors:
MIYAKE Akira (JP)
Application Number:
PCT/JP2022/003022
Publication Date:
August 04, 2022
Filing Date:
January 27, 2022
Export Citation:
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Assignee:
MIYAKE Akira (JP)
International Classes:
F16B13/06; E04B1/58
Attorney, Agent or Firm:
FUKUI Toyoaki (JP)
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