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. 06, 2013
Filed:
May. 25, 2004
Stefan Hein, Blankenbach, DE;
Stefan Hein, Blankenbach, DE;
Applied Materials GmbH & Co. KG, Alzenau, DE;
Abstract
An air-lock valve (), especially for a band processing plant, provided for closing a gap-like opening (), traversed by a flexible band substrate (), between two different plant sections, featuring at least one moveable sealing body (), cooperating with a sealing surface (), when it closes said opening (), and eventually said band substrate () is being firmly mounted between said body () and sealing surface () during the closing operation of said air-lock valve (), is characterized, according to the invention, in that the sealing surface () surrounds opening () in frame-like fashion, and in order to close opening (), said body () may be pressed in such a fashion upon sealing surface () and/or upon band substrate (), traversing said opening (), that it obstructs said opening () at least due to indirect juxtaposition at the edges of said sealing surface ().