Patent ID: 8895120
Filing Date: 2014-11-25
Classification: B29B,B29C,B29K,B29L,B32B,B65D,Y10T

Abstract:
1. Preform for the blow moulding of a container comprising a pouring opening, a neck section, an adjacent wall section and a bottom section opposite to the neck section as supporting base of the produced container, wherein the adjacent wall section of the preform is composed of a primary area, and wherein the bottom section forms at least one secondary area, wherein said primary area comprises a primary plastic material, said at least one secondary area having at least one secondary material, said primary and secondary areas having a mutually different coloration, wherein at least a part of said bottom section is composed of a multi-layer structure having primary layers composed of said primary plastic material which is colored, and secondary layers composed of the said at least one secondary material, which is colored differently than the primary layers, wherein the bottom section multi-layer structure has two surface layers, one of the two surface layers is directed outwardly respective the preform, whereas the other one of the surface layers is directed inwardly, with the secondary layers located in between, thereby constituting core layers, which are located between two said primary layers, and in that said preform consists in one single piece, thereby producing special color effects in the container and contents of the container blow molded from the preform.