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. 03, 2013
Filed:
Aug. 20, 2009
Michael Baumgartner, Montlingen, CH;
Markus Kieber, Schaanwald, LI;
Sven Matthiesen, Lindau, DE;
Mirko Meboldt, Oftersheim, DE;
Michael Baumgartner, Montlingen, CH;
Markus Kieber, Schaanwald, LI;
Sven Matthiesen, Lindau, DE;
Mirko Meboldt, Oftersheim, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A screw including a sealing washer assembly and a shank which defines a screw axis and has a thread in at least a portion thereof and whose one end is provided with a head. The sealing washer assembly is disposed on the shank and includes at least one sealing washer and a reinforcing washer, said reinforcing washer having a thickness, and the sealing washer assembly having a cumulative thickness is disclosed. The sealing washer assembly is spaced, along the screw axis, at a distance from an underside of the head facing the shank, said distance being greater than the thickness of the reinforcing washer and smaller than the cumulative thickness of the sealing washer assembly.