Static molds – Miscellaneous mold adjuncts
Reexamination Certificate
2006-12-05
2006-12-05
Canfield, Robert (Department: 3635)
Static molds
Miscellaneous mold adjuncts
C249S097000, C249S205000, C425S111000, C264S228000, C264S229000, C052S223130
Reexamination Certificate
active
07143991
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.
REFERENCES:
patent: 2607370 (1952-08-01), Anderson
patent: 4159099 (1979-06-01), Maguire
patent: 4749170 (1988-06-01), Ase
patent: 5468524 (1995-11-01), Albrigo et al.
patent: 7-34109 (1995-02-01), None
patent: 7-279316 (1995-10-01), None
patent: 8-218555 (1996-08-01), None
patent: 2005-1257 (2005-01-01), None
Hirokawa Toru
Kano Ichiro
Canfield Robert
Splice Sleeve Japan, Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
LandOfFree
Reinforcing bar joint sleeve fixing device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reinforcing bar joint sleeve fixing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reinforcing bar joint sleeve fixing device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3720336