PREFORM AND MOLD STACK
    1.
    发明申请

    公开(公告)号:US20210213659A1

    公开(公告)日:2021-07-15

    申请号:US17059035

    申请日:2019-06-14

    Abstract: According to the present invention there is provided a preform suitable for subsequent blow molding, and a mold stock for producing the preform. The preform comprises a base having an elliptical inner face with a first flat circular bottom portion, and an elliptical outer face with a second flat circular bottom portion. The first and second flat circular bottom portions each have a center on a vertical center axis of the preform and a radius of equal size. The mold stack comprises a core insert comprising a first cavity defining portion with a gate defining portion, and a gate insert comprising a second cavity defining portion. The gate defining portion has a first elliptical curvature with a first flat circular bottom portion, and the second cavity defining portion has a second elliptical curvature with a second flat circular bottom portion. The first and second flat circular bottom portions each have a center on a vertical axis of the mold stack and a radius of equal size.

    CONTAINER PREFORM
    3.
    发明申请
    CONTAINER PREFORM 有权
    集装箱预选

    公开(公告)号:US20150266229A1

    公开(公告)日:2015-09-24

    申请号:US14549757

    申请日:2014-11-21

    Abstract: Described herein, amongst other things, is a container preform that is blow moldable into a container. The container preform includes a tubular body having a neck finish and a base at an open end and a closed end thereof respectively. The base is defined between inside and outside curved surfaces at least one of which is composed of multiple tangential curves, wherein an elongate portion is defined between adjacent inside and outside concentric curves that define a thinnest bottom wall thickness of the base having a constant minimum thickness that is smaller than or equal to a wall thickness of the body.

    Abstract translation: 这里描述的是可吹塑成容器的容器预制件。 容器预成型件包括分别具有颈部精加工的管状体和在开口端和封闭端的基部。 基部在内外弯曲表面之间限定,其中至少一个弯曲表面由多个切向曲线组成,其中细长部分限定在相邻的内部和外部同心曲线之间,其限定具有恒定最小厚度的基底的最薄底壁厚度 小于或等于身体的壁厚。

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