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:
Jan. 15, 2008
Filed:
Dec. 22, 2004
Pekka Typpoe, Cupertino, CA (US);
Rudolf Muench, Koenigsbronn, DE;
Thomas Ischodonat, Bachhagel, DE;
Ray Shead, Kent, GB;
Pekka Typpoe, Cupertino, CA (US);
Rudolf Muench, Koenigsbronn, DE;
Thomas Ischodonat, Bachhagel, DE;
Ray Shead, Kent, GB;
Voith Paper Patent GmbH, Heidenheim, DE;
Abstract
A device for measuring the thickness of a sheet or web product including at least one moveable measuring sensor which can be pressed against the product while forming an air pad between measuring sensor and product. At least one measuring sensor is respectively provided on both sides of the sheet or web product. The thickness of the respective air pad can be measured, the total gap thickness including the thickness of the two air pads and the product thickness can be measured. Elements are provided for calculating the product thickness by subtracting the thickness of the air pad on the two product sides from the measured total gap thickness.