DEVICE FOR TENSIONING REINFORCEMENT BUNDLES Russian patent published in 1997 - IPC

Abstract RU 2094580 C1

FIELD: construction engineering. SUBSTANCE: device has hydraulic cylinder with rod and grip for holding reinforcement bundle, and also additional hydraulic cylinder which is located in front part of device for possible interaction with reinforcement pressing-in member. Grip is made in the form of cage with tapered holes for inserts. Each insert is made up of at least three asymmetrical components with clearances between them being not less than 0.01 of diameter of its central hole. Components of tapered insert are embraced by annular resilient member. Inner surfaces of tapered inserts are threaded over their entire height. EFFECT: high efficiency. 3 dwg

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RU 2 094 580 C1

Authors

Kurakin P.P.

Korotin V.N.

Chalenko V.V.

Krishman B.I.

Akhnazarov Eh.A.

Dudarev S.V.

Dates

1997-10-27—Published

1997-04-02—Filed