Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Reexamination Certificate
2005-08-08
2010-11-30
Huson, Monica A (Department: 1791)
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
C428S036900, C428S036910, C264S328800
Reexamination Certificate
active
07842222
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.
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International Search Report mailed Dec. 30, 2005, in International Application No. PCT/BE2005/000126.
Written Opinion issued in International Application No. PCT/BE2005/000126, 2006.
International Preliminary Report on Patentability issued Feb. 6, 2007, in International Application No. PCT/BE2005/000126.
Huson Monica A
Resilux
Young Law Firm P.C.
LandOfFree
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