PUSHING APART ANCHOR Russian patent published in 1997 - IPC

Abstract RU 2077675 C1

FIELD: mining. SUBSTANCE: pushing apart anchor includes a rod with pushing apart sleeve of elastic material put on sliding tube covering the rod in coaxial manner. The rod has a head on one end and thread on another end. The sleeve id screwed on this end. The sleeve is connected to the rod. The head is made in the form of secured washer with a notch on the contact with the rod. A wedge is inserted into the rod. the wedge is placed between the elastic sleeve and rod. EFFECT: higher reliability. 3 dwg

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RU 2 077 675 C1

Authors

Anufriev V.E.

Babajants A.A.

Jalevskij V.D.

Dates

1997-04-20—Published

1994-03-29—Filed