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. 26, 1986
Filed:
May. 07, 1984
Hans-Peter Schabert, Erlangen, DE;
Max Heller, Uttenreuth, DE;
Erwin Laurer, Mohrendorf, DE;
Hans Leinweber, Schwabach, DE;
Kraftwerk Union Aktiengesellschaft, Mulheim, DE;
Abstract
A shutoff valve, includes a conical valve seat, and a valve disc movable toward the valve seat in a given direction, the valve disc including a base body covering the valve seat, an annular projection projecting from the base body in the given direction, and a rim formed on the outside of the projection resting against the valve seat in a closed position of the valve, the projection having a region with a given wall thickness in vicinity of the base body and the projection having a free end reinforced to at least 1.5 times the given thickness in the radial direction.