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:
Aug. 04, 2020
Filed:
May. 27, 2016
Herrenknecht Ag, Schwanau, DE;
Marc Peters, Freiburg, DE;
Tobias Engel, Gundelfingen, DE;
Tobias Gerhardt, Teningen, DE;
Steffen Praetorius, Schwanau, DE;
Herrenknecht AG, Schwanau, DE;
Abstract
The invention relates to a system for laying underground cables or underground lines in the ground near the surface, in a borehole () along a laying route () between a start point () and a target point (), comprising a boring device () comprising an advancing head () for creating the borehole (), a drilling rod () and/or a casing (), wherein the diameter of the advancing head () is greater than the diameter of the casing () or of the drilling rod (), so that an annular space () is formed between the borehole wall () and the casing () or the drilling rod () and the annular space () is provided with lubrication and wherein the advancing head () relates to a displacement drilling head () or a drilling head system () comprising a drilling tool () and a drilling tool drive () for loosening the ground.