Title:
鉄筋継手スリーブ固定装置
Document Type and Number:
Japanese Patent JP4371405
Kind Code:
B2
Abstract:
A reinforcing bar joint sleeve fixing device for fixing a reinforcing bar joint sleeve disposed in the interior of precast concrete to a molding form in fabricating a precast concrete structure with use of the molding form, which device permits both axial and radial positions of the reinforcing bar joint sleeve to be set positively and is employable repeatedly, the reinforcing bar joint sleeve fixing device comprises a cylindrical ring member disposed in the interior of a reinforcing bar joint sleeve, a plurality of slide pins fitted in an outer wall of the ring member so as to be slidable radially outwards, an elastic ring for pressing the plural slide pins radially inwards, a shaft formed of a head portion and a rod portion concentric with the head portion, the head portion being received in the interior of the ring member and having a conical shape which is larger in diameter toward axially the inside of the reinforcing bar joint sleeve, an insertion hole formed in the molding form for insertion therethrough of the rod portion of the shaft, a fixing member adapted to come into threaded engagement with a screw portion formed in the rod portion of the shaft, and slide portions formed at radial ends of the slide pins so as to be movable radially outwards in conformity with a tapered surface of the conical head portion of the shaft.
Inventors:
Toru Hirokawa
Ichiro Kano
Ichiro Kano
Application Number:
JP2003167387A
Publication Date:
November 25, 2009
Filing Date:
June 12, 2003
Export Citation:
Assignee:
Japan Splice Sleeve Co., Ltd.
International Classes:
B28B23/00; B28B7/00; E04C5/16; E04G21/18
Domestic Patent References:
| JP10000610A | ||||
| JP2001277224A | ||||
| JP11291221A |
Attorney, Agent or Firm:
Toshitada Takahashi
Toshikuni Takahashi
Toshikuni Takahashi