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    DEEP-DRAWN PAPER TRAY, A METHOD AND AN APPARATUS FOR MAKING IT, AND A TRAY-FORMED PRODUCT PACKAGE
    4.
    发明申请
    DEEP-DRAWN PAPER TRAY, A METHOD AND AN APPARATUS FOR MAKING IT, AND A TRAY-FORMED PRODUCT PACKAGE 审中-公开
    深层纸托盘，一种制造它的方法和装置以及托盘形成的产品包装

    公开(公告)号：US20150041529A1

    公开(公告)日：2015-02-12

    申请号：US14385011

    申请日：2013-03-15

    申请人： STORA ENSO OYJ

    发明人： Jari Räsänen ,  Niilo Pöyhönen ,  Mari Hiltunen ,  Outi Kylliäinen

    IPC分类号： B31B49/02 ,  B65D1/34

    CPC分类号： B65D1/34 ,  B29C51/08 ,  B29C51/082 ,  B29C51/087 ,  B29C51/22 ,  B29C51/24 ,  B29C2791/001 ,  B29C2791/002 ,  B29K2311/12 ,  B29K2311/123 ,  B29L2031/712 ,  B31B50/44 ,  B31B50/592 ,  B65D1/26 ,  B65D75/326

    摘要： A deep-drawn paper tray made of paper material, a method and an apparatus for manufacturing the tray, and a closed product package comprising the tray. The tray having a bottom and upwardly expanding side walls around the bottom, the side walls of the tray being shaped to expand through a plurality of circumferential steps dimensioned low enough for obtaining wrinkle-free side walls for the tray. The outermost step is a flat, wrinkle-free rim flange, which enables liquid and gas proof heat-sealing of a lid to form the package. The apparatus may comprise upper and lower moulding tools with concentric movable frames for forming the tray bottom and side wall steps from paper blanks, and moulding tools may be mounted onto a rotating turret carrying a paper blank through working stations arranged along the turret circumference, to shape the tray bottom and the side wall steps at the consecutive stations.

    摘要翻译： 由纸材制成的深拉纸托盘，用于制造托盘的方法和装置以及包括托盘的封闭产品包装。 托盘具有围绕底部的底部和向上扩张的侧壁，托盘的侧壁成形为通过多个周向台阶扩大，其尺寸足够低以获得用于托盘的无皱皱的侧壁。 最外面的步骤是平坦的，无皱纹的轮缘法兰，其能够使液体和气体不透热地密封盖以形成包装。 该装置可以包括具有同心可移动框架的上部和下部模制工具，用于形成托盘底部和从纸坯的侧壁台阶，并且模制工具可以通过沿着转盘圆周布置的工作台安装到携带纸坯的旋转转盘上， 在连续的站点形成托盘底部和侧壁台阶。

    Delivery of pitch/thermoplastic/thermoset resins in RTM systems
    7.
    发明申请
    Delivery of pitch/thermoplastic/thermoset resins in RTM systems 有权
    沥青/热塑性/热固性树脂在RTM系统中的交付

    公开(公告)号：US20040195712A1

    公开(公告)日：2004-10-07

    申请号：US10407472

    申请日：2003-04-04

    发明人： Mark L. La Forest ,  Christopher S. Wahlers ,  Roger W. Holloway

    IPC分类号： C01B031/00 ,  B29C045/14

    CPC分类号： B29C44/5618 ,  B29C67/246 ,  B29C70/48 ,  B29C70/546 ,  B29C2791/001 ,  B29C2791/002 ,  B29C2791/007 ,  B29K2095/00 ,  B29K2101/10 ,  B29K2101/12 ,  B29K2105/06

    摘要： Resin or pitch is melted in a melt blender apparatus (11) and then loaded, into a heated jacketed holding tank (12). A pair of feed lines (14, 16) receives resin from the holding tank (12) and feeds an upper gear pump (15) and a lower gear pump (17). A mixing enhancement such as a static mixer (18, 19) is located in each of the feed lines (14, 16) between the gear pumps (15, 17) and the resin delivery ends (25, 26) of the feed lines. The resin-melt feed lines may be equipped with pressure indicators (27, 28, 32, 34) and pressure relief valves (23, 24). The resin-melt feed lines may also be equipped with pump accumulators (31, 33). Resin melt pressure created by the gear pumps (15, 17) forces a piston inside the accumulator back to the desired position. The accumulators (31, 33) can also be used to maintain constant pressure in the feed stock. Resin can be recycled from the accumulators (31, 33) into the melt blender (11).

    摘要翻译： 树脂或沥青在熔融混合器装置（11）中熔化，然后装入加热夹套的容器（12）中。 一对给料管路（14,16）从容纳罐（12）接收树脂并供给上齿轮泵（15）和下齿轮泵（17）。 混合增强例如静态混合器（18,19）位于齿轮泵（15,17）和进料管线的树脂输送端（25,26）之间的每个进料管线（14,16）中。 树脂熔体进料管线可以配备有压力指示器（27,28,32,34）和泄压阀（23,24）。 树脂熔体进料管线也可以配备有泵蓄积器（31,33）。 由齿轮泵（15,17）产生的树脂熔体压力迫使蓄能器内的活塞回到所需位置。 蓄能器（31,33）也可用于保持原料中的恒定压力。 树脂可以从蓄能器（31,33）再循环到熔化器（11）中。