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:
Nov. 30, 2010
Filed:
Aug. 08, 2005
William Dierickx, Destelbergen, BE;
William Dierickx, Destelbergen, BE;
Resilux, , BE;
Abstract
Preform for the blow-molding of a container comprising a neck section (), an adjoining wall section () having a substantially cylindrical shape, with in between a neck ring () as a transition region, and further a bottom section () which forms the base of the preform, which is composed of a multilayer structure consisting in two surface layers, the one of which () is directed outwardly respective the preform and wherein the other () is directed inwardly with respect thereto, with in between an intermediate layer () which forms a core layer, wherein both surface layers () are composed of a primary material and wherein said intermediate layer () is composed of a secondary material, remarkable in that the center surface of said intermediate layer () is directed outwardly, toward the outer surface, with respect to the center surface of said wall section () and in that said primary and secondary materials respectively are mutually different. This invention further relates to a method for producing the aforementioned preform. Microorganismus are mixed into the polymers to improve material properties.