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. 17, 2013
Filed:
May. 15, 2008
Applicants:
Alessandro Casalini, Mantova, IT;
Riccardo Felisari, S. Giorgio di Mantova, IT;
Inventors:
Alessandro Casalini, Mantova, IT;
Riccardo Felisari, S. Giorgio di Mantova, IT;
Assignee:
Versalis S.p.A., , IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 9/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the continuous production of granules based on thermoplastic polymers includes at least one expandable agent and, optionally, other polymers or additives, among which inorganic pigments insoluble in the polymeric matrix, wherein a first main stream is prepared, in the molten state, and a second stream in the molten state, which englobes the additives and which is added to the first stream. The mixture is extruded through a die which is cooled by means of water jets from nozzles positioned behind the cutting blades.