Patent ID: 7143991

Claim:
A reinforcing bar joint sleeve fixing device; comprising, a cylindrical ring member disposed in the interior of the 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, the head portion being received in the interior of the ring member and having a conical shape which increases in diameter in the direction of the reinforcing bar joint sleeve, an insertion hole formed in a molding form for inserting the rod portion of the shaft, a fixing member adapted to come into threaded engagement with a screw portion formed on 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.