METHOD FOR FASTENING AND REMOVING TEETH FROM WORN-OUT ROCK-BREAKING TOOL Russian patent published in 1994 - IPC

Abstract RU 2023851 C1

FIELD: rock-breaking tools. SUBSTANCE: sockets of rolling cutter are filled with polyethylene before installation of teeth. For pulling teeth out of cutter sockets, the tool is heated to 500-700 C. EFFECT: higher tool assembling and dismantling efficiency. 2 cl

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RU 2 023 851 C1

Authors

Evseev P.P.

Arestov V.P.

Ivanov R.A.

Dates

1994-11-30—Published

1991-03-07—Filed