Rock anchor cable

United States of America Patent

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Aug 28, 2012
Grant Date
Jun 9, 2011
app pub date
Aug 5, 2009
filing date
Aug 11, 2008

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Abstract

A rock anchor (10) which includes a cable (12) with a hollow core, an expansion mechanism (20) at one end of the cable, a tube (14), which acts on a load washer (16), in which part of the cable is located, and a wedge (18) which locks the cable to the tube.

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Patent Owner(s)

Patent Owner	Address
SANDVIK MINING AND CONSTRUCTION RSA (PLY) LTD	64 JET PARK ROAD JET INDUSTRIAL SITES EAST RAND 1459

International Classification(s)

E21D:SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAM....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Leppanen, Jarmo Uolevi	Johannesburg, ZA	11	65

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Rock anchor cable

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United States of America Patent

13058195

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PATENT NO	8251617
APP PUB NO	20110135402A1
SERIAL NO	13058195
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 28, 2012	US,8251617,B2 US8251617B2	GRANTED PATENT AS SECOND PUBLICATION
June 09, 2011	US,20110135402,A1 US20110135402A1	FIRST PUBLISHED PATENT APPLICATION

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13058195

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