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:
Sep. 11, 2018
Filed:
Jan. 20, 2010
Applicants:
Andreas Dowe, Borken, DE;
Rainer Goering, Borken, DE;
Hans-juergen Kocks, Freudenberg, DE;
Joern Winkels, Werl, DE;
Inventors:
Andreas Dowe, Borken, DE;
Rainer Goering, Borken, DE;
Hans-Juergen Kocks, Freudenberg, DE;
Joern Winkels, Werl, DE;
Assignees:
Evonik Degussa GmbH, Essen, DE;
Salzgitter Mannesmann Line Pipe GmbH, Siegen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08C 19/24 (2006.01); F16L 58/10 (2006.01); C09D 177/00 (2006.01); F16L 57/06 (2006.01);
U.S. Cl.
CPC ...
F16L 58/109 (2013.01); C09D 177/00 (2013.01); F16L 57/06 (2013.01); Y10T 137/0318 (2015.04);
Abstract
A metal conduit pipe, which is covered with an extruded layer made of polyamide molding compound, is used to produce a duct laid in water, wherein in the course of laying the duct, the coating is exposed to a shearing pressure load and/or a bending load due to laying method selected.