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:
Apr. 30, 2024
Filed:
Dec. 03, 2020
Vat Holding Ag, Haag, CH;
VAT Holding AG, Haag, CH;
Abstract
A vacuum valve or door having a closure plate for closing an opening in a wall. The opening has opposing first and second longitudinal edges and shorter opposing first and second transverse edges. A sealing unit seals the closure plate against the wall in the closed position. The sealing unit includes a supporting frame having opposing first and second longitudinal legs and shorter opposing first and second transverse legs, on which supporting frame there is mounted on one side a circumferential closure plate seal and on the other side a circumferential wall seal. The supporting frame is secured to fastening points on the wall, with central portions of the first and second longitudinal legs being free with respect to the wall, or the supporting frame is secured to fastening points on the closure plate, with the central being free with respect to the closure plate.