Title:
アンカーボルト
Document Type and Number:
Japanese Patent JP7437816
Kind Code:
B2
Abstract:
An anchor bolt (11) including: a taper bolt (21) that is, with a screw thread formed on an outer peripheral surface, inserted in an anchor hole (91); a sleeve (25) that is attached to the taper bolt (21) and includes locking pieces (252) that are, in a state of being disposed in the anchor hole (91), locked to an inner side surface of the anchor hole (91); an annular expansively openable ring (26) attached to the taper bolt (21) at a position closer to a tip side of the taper bolt (21) than the sleeve (25), and divided in a peripheral direction; and a cone portion (27) configured to expand the expansively openable ring (26) radially outward by being pushed into an inner hole of the expansively openable ring (26).
Inventors:
Isamu Arai
Application Number:
JP2022552387A
Publication Date:
February 26, 2024
Filing Date:
March 31, 2022
Export Citation:
Assignee:
A.&S.System Co., Ltd.
International Classes:
E04B1/41; E02D27/00; E04G21/12; F16B13/04; F16B13/06; F16B43/00
Domestic Patent References:
| JP7174119A | ||||
| JP62135704U | ||||
| JP2016536545A | ||||
| JP2009215730A |
Foreign References:
| WO2020045348A1 |
Attorney, Agent or Firm:
Hironobu Hanayama
Kazuyuki Tanemura
Kazuyuki Tanemura