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:
Sep. 16, 2003
Filed:
Feb. 13, 2001
Lothar Kuntze, Rheinbach, DE;
Christoph Johann Schmitz, Euskirchen-Stotzheim, DE;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
The object of the invention is achieved by an apparatus ( ) comprising a plurality of means for forming web loops ( ), each means for forming web loops being positioned between adjacent web support plates ( ), wherein each of the web support surfaces lies in an arc, the arcs lying around the circumference of a circular path, and wherein the web support surfaces and means for forming web loops ( ) are rotatably mounted about the axis of the circular path. In a prefered embodiment of the invention, the means for forming web loops ( ) is provided by rotatably driving the web support plates ( ) around the circular path with a circumferential velocity, wherein the circumferential velocity is varied between a minimum circumferential velocity and a maximum circumferential velocity so that the distance between adjacent web support plates ( ) varies between a minimum distance and a maximum distance. Preferably the circumferential velocity of the web support plates ( ) varies according to a sinusoidal function, and wherein one cycle of the sinusoidal function corresponds to one complete rotation of the web support plate ( ) around the circular path. The invention also relates to a process for transporting a continuous web around the apparatus whereby the distance between adjacent web support plates ( ) is greater than the minimum distance, and wherein the web is transported around the circular path so that a web loop ( ) is formed when the distance between adjacent web support plates ( ) decreases towards the minimum distance.
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