The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 2006
Filed:
Jun. 10, 2004
Toru Hirokawa, Sanjyo, JP;
Ichiro Kano, Sakura, JP;
Toru Hirokawa, Sanjyo, JP;
Ichiro Kano, Sakura, JP;
Splice Sleeve Japan, Ltd., Tokyo, JP;
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.