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:
Aug. 11, 2015
Filed:
Mar. 04, 2011
Henri Hinc, Romagnat, FR;
Bruno Dussardier, Ennezat, FR;
Jacques Rouquet, Chateaugay, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Michelin Recherche et Technique S.A., Granges-Paccot, CH;
Abstract
A process for manufacturing a continuous strip of self-sealing product having very low hardness, being very elastic and highly tacky, the strip being intended for feeding a converting machine, during which a thermoplastic protective film is deposited on the surface of the strip. The process includes a step during which a strip of self-sealing product P is extruded to a first cross section (S) at the outlet of the extrusion die (). The strip is surrounded over its entire perimeter using a thermoplastic film () by welding the film to itself, after having deposited the film () around the strip. The strip is calendered in order to bring it down to a second cross section (S), smaller in area than the first cross section.