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:
Jul. 05, 2016
Filed:
Nov. 17, 2010
Bernhard Duelli, Ubersaxen, AT;
Bernhard Duelli, Ubersaxen, AT;
VAT Holding AG, Haag, CH;
Abstract
Device for closing an opening in a chamber wall of a low-pressure or vacuum chamber, having at least one movably mounted closure element, a main body with a through-opening and a seat, which surrounds the through-opening, the through-opening is congruent with the opening in the chamber wall, and the device has at least one open position of the closure element, in which the through-opening is exposed by the closure element, and at least one closed position, in which the through-opening is completely closed using the closure element. At least one elastic seal with an inflatable chamber is sealingly arranged in the closed position between the closure element and the seat and the elastic seal has in addition to the inflatable chamber a safety chamber for receiving fluid from the inflatable chamber in the event of a leak in the inflatable chamber.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile