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Patent Searching and Data


Title:
ANCHOR BOLT
Document Type and Number:
WIPO Patent Application WO/2022/230604
Kind Code:
A1
Abstract:
This anchor bolt (11) comprises a tapered bolt (21) which has a thread formed on the outer peripheral surface and is inserted into an anchor hole (81); a sleeve (25) which is fitted onto the tapered bolt (21) and has an engagement piece (252) for engaging with the inner peripheral surface of the anchor hole (91) when located in the anchor hole (91); an annular expansion ring (26) which is fitted onto the tapered bolt (21) further towards the tip of the tapered bolt (21) than the sleeve (25); and a cone part (27) which is pushed into an inner hole in the expansion ring (26) to cause the expansion ring (26) to expand radially outwardly.

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Inventors:
ARAI ISAMU (JP)
Application Number:
PCT/JP2022/016622
Publication Date:
November 03, 2022
Filing Date:
March 31, 2022
Export Citation:
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Assignee:
A&S SYSTEM CO LTD (JP)
International Classes:
E04B1/41; F16B13/08
Domestic Patent References:
WO2020045348A12020-03-05
Foreign References:
JPH07174119A1995-07-11
JPS62135704U1987-08-26
JP2016536545A2016-11-24
JP2009215730A2009-09-24
US20190032692A12019-01-31
JPH04249608B1
JP2003268884A2003-09-25
Attorney, Agent or Firm:
KAYAMA Hironobu et al. (JP)
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