Process for removing the core of earth from a pipe laid without excavation and scraper for implementing said process
A Standard patent application filed on 09 February 1995 credited to Derwand, Horst

Details

Application number :

18043  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Process for removing the core of earth from a pipe laid without excavation and scraper for implementing said process  

Inventor :

Derwand, Horst  

Agent name :

 

Address for service :

 

Filing date :

09 February 1995  

Associated companies :

 

Applicant name :

Derwand, Horst  

Applicant address :

Berliner Strasse 17 D-35236 Breidenbach Germany  

Old name :

 

Original Source :

Go  

Same Inventor

• Method and device for replacing a pipe line laid in the ground