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    Injection stretch blow molded articles and random copolymers for use therein
    4.
    发明授权
    Injection stretch blow molded articles and random copolymers for use therein 有权

    公开(公告)号：US10982027B2

    公开(公告)日：2021-04-20

    申请号：US16142478

    申请日：2018-09-26

    Applicant: FINA TECHNOLOGY, INC.

    Inventor： Luyi Sun ,  Mark Leland

    IPC: C08F210/06 ,  B29C49/06 ,  C08K3/01 ,  B29C49/00 ,  C08K5/00 ,  B29C49/10 ,  B29K23/00 ,  B29L31/00 ,  B29L7/00 ,  B29L22/00

    Abstract: A polymer composition adapted for use in injection stretch blow molding may include a metallocene random propylene-based copolymer in the absence of a clarifier. The metallocene random propylene-based copolymer may exhibit a melting point of from 105° C. to less than 175° C., a recrystallization temperature ranging from 85° C. to 100° C. as measured by DSC, a microtacticity ranging from 89% to 99%, a molecular weight (Mw) ranging from 170,000 to 210,000, and a melt flow rate of from about 1 dg/min. to about 40 dg/min. A method of forming an injection stretch blow molded (ISBM) article may include providing the metallocene random propylene-based copolymer, injection molding the metallocene random propylene-based copolymer in the absence of a clarifier into a preform, and stretch-blowing the preform into an article.

    Method and system for blowing and filling lightweight containers
    7.
    发明授权
    Method and system for blowing and filling lightweight containers 有权
    用于吹塑和灌装轻质容器的方法和系统

    公开(公告)号：US09573705B2

    公开(公告)日：2017-02-21

    申请号：US14367696

    申请日：2012-11-28

    Applicant: NESTEC S.A.

    Inventor： Guillaume Chauvin ,  Damien Kannengiesser ,  Johannes Zimmer

    IPC: B65B3/02 ,  B29C49/10 ,  B29C49/46 ,  B29C49/78 ,  B29L31/00 ,  B29K67/00

    CPC classification number: B65B3/022 ,  B29C49/10 ,  B29C49/46 ,  B29C49/783 ,  B29C2049/4664 ,  B29K2067/003 ,  B29L2031/7158

    Abstract: The invention concerns a method of blowing and filling a container from a thermoplastic polymer preform, comprising: stretching a thermoplastic polymer preform (16) placed within a mould (12) during a stretching phase, starting an injection phase for injecting a liquid into the preform, the injection phase starting after the stretching phase has started, characterized in that prior to starting the injection phase the liquid is at a predetermined pressure above the atmospheric pressure.

    Abstract translation: 本发明涉及一种从热塑性聚合物预成型件吹塑和填充容器的方法，包括：在拉伸阶段拉伸置于模具（12）内的热塑性聚合物预成型件（16），开始注入阶段，以将液体注入预成型件 ，开始拉伸阶段之后开始的注入阶段，其特征在于，在开始注入阶段之前，液体处于高于大气压的预定压力。

    MOULD FOR BLOWING VESSELS WITH REINFORCED BOTTOM
    8.
    发明申请
    MOULD FOR BLOWING VESSELS WITH REINFORCED BOTTOM 有权
    用于用加强底板吹制船的模具

    公开(公告)号：US20120031916A1

    公开(公告)日：2012-02-09

    申请号：US13129990

    申请日：2009-11-17

    Applicant: Mickael Derrien ,  Michel Boukobza

    Inventor： Mickael Derrien ,  Michel Boukobza

    IPC: B65D90/02 ,  B29C49/10 ,  B29C49/48

    CPC classification number: B29C49/48 ,  B29C49/06 ,  B29C49/12 ,  B29C2049/4892 ,  B65D1/0261

    Abstract: Mold for manufacturing, by blowing blanks made of plastic material, containers having a body and a bottom and a wall defining a cavity around a principal axis of the mold and a lateral surface. The wall has, in a lower part, an opening defining a passage for a mold bottom, an upper surface that confers at least in part the shape to the bottom of the container, with said opening having an upper edge. The mold, in any plane containing the axis of the wall: the ratio between a transverse dimension of the upper edge of the opening and a transverse dimension of a lower end of the lateral surface of the wall is greater than 0.95, and the tangent to the lateral surface of the wall, at the lower end thereof, forms with the axis of the wall an angle equal to or less than 30°.

    Abstract translation: 用于制造的模具，通过吹塑料制成的坯料，具有主体和底部的容器以及围绕模具的主轴限定空腔的壁和侧面。 壁在下部具有限定用于模具底部的通道的开口，上表面至少部分地赋予容器底部的形状，所述开口具有上边缘。 在包含壁的轴线的任何平面中的模具：开口的上边缘的横向尺寸和壁的侧表面的下端的横向尺寸之间的比率大于0.95，并且 在其下端处，壁的侧表面与壁的轴线形成等于或小于30°的角度。

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