| 摘要 |
Injection molded and injection blow molded multi-layer substantially rigid plastic articles are provided, which, in preferred embodiments, include:articles having at least three layers wherein a portion of the marginal end portion of their internal layer is folded over within the marginal end portion of the side wall of the article, preferably in the flange if the article is a parison or container;the aforementioned articles wherein the folded over portion is toward the inside or the outside of the side wall;the aforementioned articles, parisons, and containers, open-ended, or closed with end closures double seamed thereto or flexible lids secured thereto by an adherent, or heat seal, or other suitable means;the aforementioned articles wherein the folded over portion and any not folded over portion of the marginal end portion of the internal layer, extends substantially uniformly into the marginal end portion of the side wall of the article, parison or container;at least five layer plastic articles having side and bottom walls, and an outside surface layer, an inside surface layer, an internal layer, and first and second intermediate layers, one on either side of the internal layer, and having the terminal end of the internal layer encapsulated by intermediate layer material, whether it be solely or primarily by first or by both first and second intermediate layer material; andmulti-layer injection molded plastic containers each of whose side wall is comprised of at least three layers, wherein at least one of said three layers comprises an internal layer comprised of an oxygen scavenging material.
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