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:
Jul. 02, 2001
Herve Henry, Angiuillers, FR;
Thierry Thevenin, Margny les Compiegne, FR;
Heidelberger Druckmaschinen AG, Heidelberger, DE;
Abstract
A device for contact-free guidance of a web material over a surface element whereon a first longitudinal fold is formed in the web material, the surface element decreasing in width continuously from a top crossmember to a bottom crossmember, and being defined by boundary elements, the surface element and the boundary elements having gaseous medium provided therein, includes an adjustable closure element for varying, in accordance with a respective format of the web material guided over the surface, a flow of a volume of the gaseous medium from an air cushion formed beneath the web material; a device for forming the first longitudinal fold; and an angle-bar superstructure and a web-processing rotary printing machine, respectively, including the fold-forming device.