Apparatus for tensioning reinforcements in the process of...

Details Apparatus for tensioning reinforcements in the process of... Apparatus for tensioning reinforcements in the process of...

B - Operations, Transporting

28

B

25/45

B28B 21/60 (2006.01)

Patent

CA 1046244

ABSTRACT OF THE DISCLOSURE This invention relates to an apparatus for tensioning reinforcements in the process of manufacturing concrete poles and the like having the structure in which a tension plate of a circular ring shape is fixed to an end plate for setting rein- forcements put inside a mold in the freely slidable manner, the inner surface of the tension plate is engaged with a jack rod, the outer periphery of the tension plate is provided with some protuberances which thickness is thinner than that of the tension plate at equal intervals, a set ring of a circular ring shape is provided contacting with a flange part at the end of the mold, and the inner surface of the set ring is contacted with the outer periphery of the tension plate and has some concave parts into which the said protuberances can be put; and some other structures in which methods of engaging the tension plate with the jack rod and disengaging the plate from the rod are a little different.

220797

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