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:
Jun. 02, 2009
Filed:
Mar. 30, 2004
Innocente Marchante Moreno, Le Bourget du Lac, FR;
Innocente Marchante Moreno, Le Bourget du Lac, FR;
Darlet Marchante Technologies S.A., Le Bourget du Lac, FR;
Abstract
The device () comprises four drawing cylinders () on which the film () passes and which are associated with press cylinders (), comprising: a first drawing cylinder () having a fixed axis (), a second drawing cylinder () having a fixed axis () which is offset in relation to the previous one, a third drawing cylinder () whose position is adjustable and a fourth drawing cylinder () having a fixed axis (). Said cylinders (A) are rotationally driven at differentiated speeds, such that a first drawing stage is formed between the second cylinder () and the third cylinder (), whereby the drawing distance (D) is preferably adjustable, and a second drawing stage is formed between the third cylinder () and the fourth cylinder (). The invention is used for the longitudinal drawing of synthetic films.