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:
Mar. 29, 2022
Filed:
Jun. 17, 2020
Applicant:
H. Butting Gmbh & Co. KG, Wittingen-Knesebeck, DE;
Inventor:
Thomas Schüller, Hankensbüttel, DE;
Assignee:
H. Butting GmbH & Co. KG, Wittingen-Knesebeck, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 58/08 (2006.01); B21C 37/15 (2006.01); B23K 9/23 (2006.01); B23K 9/235 (2006.01); B23K 26/38 (2014.01); F16L 58/18 (2006.01); B23K 9/04 (2006.01); B23K 9/173 (2006.01); B23K 9/028 (2006.01); B23K 101/06 (2006.01); B23K 103/18 (2006.01); B23K 103/16 (2006.01); B23K 101/10 (2006.01); B23K 103/04 (2006.01); F16L 9/147 (2006.01); B29C 65/56 (2006.01); F16L 9/02 (2006.01); B29C 65/48 (2006.01); B29C 63/00 (2006.01); B29C 65/00 (2006.01); B32B 15/04 (2006.01); B32B 15/08 (2006.01); B29C 65/72 (2006.01); B29C 63/48 (2006.01);
U.S. Cl.
CPC ...
F16L 58/08 (2013.01); B21C 37/154 (2013.01); B23K 9/0282 (2013.01); B23K 9/048 (2013.01); B23K 9/173 (2013.01); B23K 9/232 (2013.01); B23K 9/235 (2013.01); B23K 26/38 (2013.01); F16L 58/181 (2013.01); B23K 2101/06 (2018.08); B23K 2101/10 (2018.08); B23K 2103/04 (2018.08); B23K 2103/166 (2018.08); B23K 2103/18 (2018.08); B29C 63/0013 (2013.01); B29C 63/0017 (2013.01); B29C 63/0073 (2013.01); B29C 63/481 (2013.01); B29C 63/486 (2013.01); B29C 65/48 (2013.01); B29C 65/565 (2013.01); B29C 65/72 (2013.01); B29C 66/301 (2013.01); B29C 66/349 (2013.01); B29C 66/5221 (2013.01); B29C 66/612 (2013.01); B29C 66/632 (2013.01); B29C 66/712 (2013.01); B32B 15/043 (2013.01); B32B 15/08 (2013.01); B32B 2307/714 (2013.01); F16L 9/02 (2013.01); F16L 9/147 (2013.01);
Abstract
The application relates to a method for producing a double-walled pipe () and a pipe () of this type, having an outer pipe () which is press-fitted with an inner pipe () consisting of a corrosion-resistant alloy, wherein an adhesive () is inserted at least in regions between the outer pipe () and the inner pipe (), wherein, after adhering the inner pipe () with the outer pipe (), the inner pipe () and the adhesive layer () are removed at the pipe ends, and the inner side of the outer pipe () is plated via an integral connection with the inner pipe ().