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:
Oct. 04, 2011
Filed:
Aug. 28, 2007
Roland Mair, Gotzis, AT;
Roland Mair, Gotzis, AT;
SFS Intec Holding AG, Heerbrugg, CH;
Abstract
A screw () is provided, having a shaft () and a head (), for fastening a component onto a substructure utilizing a tightly pressing conical sealing disk () against the component. The screw head () is configured at the bottom () thereof around the shaft () as a cone that is tapered in the direction of the top () of the screw head (). The cone angle of the conical sealing disk () measured against a perpendicular line to the disk axis is equal to, or larger than the cone angle (alpha) of the screw head (), which is measured against a perpendicular line to the screw axis. When the screw () is tightened, the conical bottom () of the screw head () and the conical top () of the sealing disk () are in mutual surface contact with each other. This maintains a sealing connection. Through the conical configuration of the bottom () of the screw head () the so-called 'cupping' of the sealing disk () is prevented when the screw () is tightened.