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. 05, 2017
Filed:
Mar. 17, 2016
Z&j Technologies Gmbh, Dueren, DE;
Z&J Technologies GmbH, Dueren, DE;
Abstract
A double-plate gate valve is provided for fittings of industrial plants wherein the double-plate gate valve comprises a housing having two shut-off plates inside the housing the shut-off plates being displaceable between an open and a closed position. Spring elements, such as disc spring packs, are arranged between the shut-off plates pressing the shut-off plates in the closed position against sealing surfaces arranged on the housing such that the entire sealing force required for sealing is provided by the spring elements. Also provided in stand-alone form is a shut-off plate for use in the double-plate gate valve. A method for sealing the double-plate gate valve using the shut-off plates is also provided.