Title:
Preform for blowing a container and process for maPreform for blowing a container and process for manufacturing therof nufacturing therof
Document Type and Number:
WIPO Patent Application WO2006012713
Kind Code:
A9
Abstract:
Preform for the blow-molding of a container comprising a neck section (10), an adjoining wall section (20) having a substantially cylindrical shape, with in between a neck ring (12) as a transition region, and further a bottom section (30) which forms the base of the preform, which is composed of a multilayer structure consisting in two surface layers, the one of which (1) is directed outwardly respective the preform and wherein the other (3) is directed inwardly with respect thereto, with in between an intermediate layer (2) which forms a core layer, wherein both surface layers (1, 3) are composed of a primary material and wherein said intermediate layer (2) is composed of a secondary material, remarkable in that the center surface of said intermediate layer (2) is directed outwardly, toward the outer surface, with respect to the center surface of said wall section (20) 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.
Inventors:
DIERICKX WILLIAM (BE)
Application Number:
PCT/BE2005/000126
Publication Date:
June 22, 2006
Filing Date:
August 08, 2005
Export Citation:
Assignee:
RESILUX (BE)
DIERICKX WILLIAM (BE)
DIERICKX WILLIAM (BE)
International Classes:
B29C49/22; B29C45/16; B32B9/00; C12N11/08; B65D1/02
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