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. 18, 2012
Filed:
Aug. 12, 2006
Stephan Lange, Wedemark, DE;
Christian Frohne, Hannover, DE;
Michele Di Palma, Springe, DE;
Klaus Schippl, Hannover, DE;
Stephan Lange, Wedemark, DE;
Christian Frohne, Hannover, DE;
Michele Di Palma, Springe, DE;
Klaus Schippl, Hannover, DE;
Nexans, Paris, FR;
Abstract
A plug-in coupling for cryogenic lines is described, having at least two pipes () fitted one inside the other like a male/female connection while forming an annular gap (), in which plug-in coupling the pipes () are releasably connected to one another by a flange connection () located at their 'warm' end, the annular gap () between the two pipes () is sealed at the 'cold' end by an annular seal () and at the “warm” end by an annular seal () located in the region of the flange connection (), and the annular gap () is connected to a safety valve () in the region of the flange connection ().