A down-the-hole drill tool for drilling in advance of a casing tube
A Standard patent application filed on 15 February 1991 credited to Brungs, Anders ; Asberg, Bengt ; Jansson, Kjell-Ove ; Hedlund, Jan-Gunnar

Details

Application number :

73406  

Application type :

Standard  

Application status :

CEASED  

Under opposition :

No  

Proceeding type :

 

Invention title :

A down-the-hole drill tool for drilling in advance of a casing tube  

Inventor :

Brungs, Anders ; Asberg, Bengt ; Jansson, Kjell-Ove ; Hedlund, Jan-Gunnar  

Agent name :

Griffith Hack  

Address for service :

GPO Box 1285 MELBOURNE VIC 3001  

Filing date :

15 February 1991  

Associated companies :

 

Applicant name :

Sandvik Intellectual Property AB  

Applicant address :

SE-811 81 Sandviken Sweden  

Old name :

Sandvik AB ; Sandvik Intellectual Property HB  

Original Source :

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