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:
Mar. 19, 2002
Filed:
Nov. 30, 1999
Applicant:
Inventors:
Peter Wagner, Gunzgen, CH;
Christoph Sägesser, Mägenwil, CH;
Assignee:
Grapha-Holding AG, Hergiswil, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 5/30 ;
U.S. Cl.
CPC ...
B65H 5/30 ;
Abstract
A rotary disc valve with a stationary valve plate provided with a vacuum connection, a rotary slide member mounted so as to be movable between first and second valve positions, wherein the slide member has a breakthrough connecting the vacuum connection to a suction opening in the first valve position, wherein the suction opening is connected to an aerating opening in the second valve position, and wherein both valve positions define a suctioning angle. The valve further includes a device for adjusting the size of the suctioning angle.