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:
Jul. 07, 2015
Filed:
Mar. 02, 2010
Applicant:
Franz-josef Püttmann, Lennestadt, DE;
Inventor:
Franz-Josef Püttmann, Lennestadt, DE;
Assignee:
TRACTO-TECHNIK GMBH & CO., Lennestadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03F 5/06 (2006.01); E21B 7/20 (2006.01); B29C 53/08 (2006.01); B29C 53/20 (2006.01); E21B 7/30 (2006.01); F16L 1/032 (2006.01); F16L 55/165 (2006.01);
U.S. Cl.
CPC ...
E21B 7/20 (2013.01); B29C 53/086 (2013.01); B29C 53/20 (2013.01); E21B 7/30 (2013.01); F16L 1/032 (2013.01); F16L 55/1658 (2013.01);
Abstract
The invention relates to a method for inserting a pipe () via a pit () into an underground borehole, wherein the pipe is flattened before entering the pit, and wherein the pipe is redirected within the pit in the direction of the axis of the borehole, so as to re-deform the pipe before entering the borehole.