Method and device for driving a tunnel

United States of America Patent

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May 30, 1989
Grant Date
N/A
app pub date
Oct 26, 1987
filing date
Nov 19, 1986

priority date (Note)
Expired

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Abstract

Method and device for driving a tunnel by means of a tunneling machine (10). At the same time as the tunnel is driven, an injection hole (91) is drilled in front of the tunnel front (90) by a rock drilling machine (53) placed behind the tunneling machine.

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Patent Owner(s)

Patent Owner	Address
ATLAS COPCO AKTIENBOLAG A CORP OF SWEDEN	S-105 23 STOCKHOLM

International Classification(s)

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

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Arnegard, Bo O R	Skarholmen, SE	1	5
Barendsen, Pieter	Tyreso, SE	2	34

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Method and device for driving a tunnel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07113618

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PATENT NO	4834580
SERIAL NO	07113618
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07113618

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