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:
May. 10, 2016
Filed:
Nov. 02, 2010
Juergen Linkies, Lienen, DE;
Juergen Linkies, Lienen, DE;
WINDMOELLER & HOELSCHER KG, Lengerich, DE;
Abstract
An apparatus for the longitudinal stretching of a film web includes at least one heater in which the film web can be heated, at least one cooling device in which the film web can be cooled, and at least a stretching unit in which the film web is stretched in its longitudinal direction. The stretching unit has a first transport roller having a first peripheral speed in the stretching operation, followed by a second transport roller having a second peripheral speed along the transport path of the film web from the first transport roller, with the second peripheral speed being greater than the first transport roller speed. The apparatus includes a pressing device with which the film web is pressed against the first transport roller along a line which is in the area of the release line of the film web from the first transport roller.