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. 02, 2022
Filed:
Jun. 11, 2018
Borealis Ag, Vienna, AT;
Piet Van Dooren, Kemzeke, BE;
Peter Clymans, Meerle, BE;
Nikolaos Vavizos, Linz, AT;
Marc Jordens, Nijlen, BE;
Matthias Weber, Bretten, DE;
Marc Seckner, Karlsruhe, DE;
Harald Betke, Pforzheim, DE;
Peter Rittershofer, Pforzheim, DE;
Bert Balmer, Pforzheim, DE;
Jochen Senger, Ubstadt-Weiher, DE;
Abdelkarim Oulad Abdellah, Borgerhout, BE;
BOREALIS AG, Vienna, AT;
Abstract
The invention relates to an expansion joint () for joining two adjacent parts of a pipe. The expansion joint () comprises an expansion bellows (), an expanded wall () and an inner sleeve assembly (). The expanded wall () comprises a first wall part () and a second wall part (), wherein the first wall part () and the second wall part () are spaced apart from each other axially by an axial gap. The expansion bellows () is connected to the first wall part () and to the second wall part () such that the axial gap between the first wall part () and the second wall part () is closed and such that the first wall part () and the second wall part () are connected flexibly. The expanded wall () and the inner sleeve assembly () limit at least one sealed chamber () between each other, and the at least one sealed chamber () is filled by a first gas.