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:
Dec. 21, 2021
Filed:
Oct. 24, 2018
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Fábio Gosi de Aquino, Düsseldorf, DE;
Markus Hartmann, Sendenhorst, DE;
Daniel Demicoli, Essen, DE;
Rainer Göring, Borken, DE;
Hermann van Laak, Hünxe, DE;
Horst Beyer, Marl, DE;
Lan de Gans Li, Mülheim an der Ruhr, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 9/147 (2006.01); B32B 1/08 (2006.01); B32B 7/12 (2006.01); B32B 15/08 (2006.01); B32B 37/12 (2006.01); F16L 58/10 (2006.01);
U.S. Cl.
CPC ...
F16L 9/147 (2013.01); B32B 1/08 (2013.01); B32B 7/12 (2013.01); B32B 15/08 (2013.01); B32B 37/12 (2013.01); F16L 58/1009 (2013.01); B32B 2597/00 (2013.01);
Abstract
A pipe, the inner surface of which is lined with a thermoplastic layer, is produced by a process comprising the following steps: Relative movements between the metal pipe and inliner are thereby prevented; the inliner also has high safety against collapse. The pipe is used to produce a routed pipeline.