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. 04, 2015
Filed:
May. 15, 2009
Thilo Simonsohn, Munich, DE;
Thilo Simonsohn, Munich, DE;
Tyco Electronics Raychem GmbH, Ottobrunn, DE;
Abstract
The invention relates to a tubular helical support () for the radial support of resiliently expanded tubing (), a process and a device () for the production thereof, and a tubing arrangement () comprising a helical support () according to the invention, the helical support () being made of at least one extruded element (), which is wound to form a plurality of windings () and the connection portions () of which are connected to one another at least in portions by a connection seam (), preferably formed as a laser weld seam. To produce a helical support () which reliably withstands the compression forces of the tubing (), can easily be removed from the expanded tubing (), and is easy and cheap to produce, it is provided in accordance with the invention that at least the interconnected connection surfaces () of the connection portions () of the extruded element () are not transparent to laser beams.