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. 25, 2002
Filed:
Aug. 20, 1999
Ireneo De Nardi, Cordignano, IT;
Alberto Armellin, Vittorio Veneto, IT;
Luigi Rodighiero, Montebelluna, IT;
Nicola Da Riol, Porcia, IT;
Sipa S.p.A., Vittorio Veneto, IT;
Abstract
A method and system for providing for the production of preforms of thermoplastic resin by filling a plurality of multiple-cavity molds with molten resin for forming the preforms, holding and cooling down the molten resin inside the molds, removing the molded preforms from the molds, subjecting the preforms to a subsequent temperature conditioning stage, and transferring the preforms to a blow-molding stage. Each of the multi-cavity molds includes a plurality of cavities defined in several distinct clusters and each cavities belonging to the same cluster is cooled in a distinct and differentiated manner with respect to the cavities belonging to other clusters provided in the same mold.