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:
Dec. 27, 2016
Filed:
Mar. 04, 2011
Pierre-francois Tardy, Compiegne, FR;
Bjorn Criel, Sint-Martens-Lennik, BE;
Jean-claude Mur, Choisy au bac, FR;
Serge Dupont, Vilvoorde, BE;
Franck Bajor, Longueil Sainte Marie, FR;
Pierre-Francois Tardy, Compiegne, FR;
Bjorn Criel, Sint-Martens-Lennik, BE;
Jean-Claude Mur, Choisy au bac, FR;
Serge Dupont, Vilvoorde, BE;
Franck Bajor, Longueil Sainte Marie, FR;
INERGY AUTOMOTIVE SYSTEMS RESEARCH (Societe Anonyme), Brussels, BE;
Abstract
A process for manufacturing a plastic hollow body by molding two sheets of molten plastic in a mold including two cavities, the process including: a) two molten plastic sheets are manufactured by extrusion of at least one stream of molten plastic and transverse cutting thereof; b) these sheets are introduced between the mold cavities; c) the mold is closed and the hollow body is manufactured by conforming the two sheets to the mold cavities; d) the hollow body thus obtained is removed from the mold; e) all of operations a) to d) are repeated to manufacture another hollow body from two new sheets; and before, during, or after the transverse cutting operation, the lower portion of the two new sheets is cooled using a specific device that makes possible a local cooling of the sheets in the lower portion.