The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2013
Filed:
Mar. 16, 2011
Applicant:
Manfred Schauerte, Schmallenberg, DE;
Inventor:
Manfred Schauerte, Schmallenberg, DE;
Assignee:
Tracto-Technik GmbH & Co. KG, Lennestadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02G 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method and an apparatus for replacing old underground conduits (), the old conduit () is first laid bare with the aid of a ground drilling device () with an overdrilling head and then, in turn, a new conduit () is drawn in with the aid of the drill rods () and at the same time—in a uniform operating step—the old conduit is pulled out of the ground.