Method for rock-chiseling

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United States of America Patent

APP PUB NO 20040099442A1
SERIAL NO

10466225

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a method for opening rock with a chisel, especially for producing a drillhole in rock by means of a drilling device that comprises a percussion drive and a rotating thrust rod assembly. The percussion unit, via the drill head, exerts a thrust impulse on the breast in a segment thereof in order to knock out rock from the breast. In a subsequent step, the percussion unit is rotated by an angle .alpha. via the rod assembly. Pieces of rock are knocked out from the breast by exerting thrust impulses via the drill head and the drill tip in the corresponding new segment of the breast.

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Patent Owner(s)

Patent OwnerAddress
TRACTO-TECHNIK GMBH57368 LENNESTADT

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Puttman, Franz-Josef Lennestadt, DE 4 59

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1834619267311914134352201 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020406080100120140160180200220240260280300320340360380

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