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    • 5. 发明申请
    • METHOD AND APPARATUS FOR EXTRUDING AND BLOW MOLDING MULTICOLORED PLASTIC ARTICLES
    • 挤出和吹塑成型塑料制品的方法和装置
    • US20090074899A1
    • 2009-03-19
    • US12233181
    • 2008-09-18
    • Erik Lipson
    • Erik Lipson
    • B29C47/04
    • B29C47/064B29C47/0023B29C47/043B29C47/24B29C47/56B29L2031/7222
    • Cylindrical extrusions having multiple colors, capable of serving as parisons for subsequent blow molding operation, are formed in an apparatus in which plastics of each color to be incorporated in the finished product are fed by separate extruders to an extruding head having a stack of cylindrical spools each formed with a number of apertures around their periphery. The apertures in each spool are interleaved with corresponding apertures in the other spool or spools. The interiors of the apertures are fed into a conduit which extends coaxially with the axes of each of the spools so that the outputted plastic has multicolored stripes along its length. In an embodiment in which the spool is rotated in timed relation to the feed from the extruders, the output is twisted along the central axis to form a “barber pole” stripe arrangement. In an alternate embodiment a programming plate is disposed beneath the output. The plate has apertures which align with certain of the feeds from the spool and block others, and the plate may be rotated between a number of alternating positions to provide extrusions with horizontal stripes or checkerboard patterns. By blow molding the resulting parisons, multicolored containers with interesting patterns may be produced.
    • 具有多种颜色的圆柱形挤压件,能够用作随后的吹塑操作的型坯,在其中将要加入成品的每种颜色的塑料通过单独的挤出机进料到具有一堆圆柱形卷轴的挤出头的设备中形成 每个在其周围形成有多个孔。 每个阀芯中的孔与另一个阀芯或阀芯中的相应孔交错。 孔的内部被馈送到与每个线轴的轴线同轴延伸的导管中,使得输出的塑料沿其长度具有多彩色条纹。 在一个实施例中,阀芯与来自挤出机的进给的时间关系旋转,输出沿着中心轴线扭转以形成“理发杆”条纹布置。 在替代实施例中,编程板设置在输出下方。 板具有与来自线轴的某些进给物对准的孔,并且阻挡其它的孔,并且板可以在多个交替位置之间旋转以提供具有水平条纹或棋盘图案的挤压。 通过吹塑所得到的型坯,可以生产具有有趣图案的多彩的容器。
    • 6. 发明授权
    • Drink container with molded straw and method of manufacture
    • US07021490B2
    • 2006-04-04
    • US10022755
    • 2001-12-13
    • Erik Lipson
    • Erik Lipson
    • A47G19/22
    • A47G19/2227A47G21/182
    • A combination drinking container and straw and method of manufacture. The container has at least one straw retaining member molded into either the outer or inner surface of the container wall, or a portion of the wall may be shaped to include a constricted stem. A malleable straw is fitted onto each such retaining member so that at least a portion of the pathway of the straw is defined by the retaining members. A first end of the straw extends into the container and a second end extends upwardly so that beverage may be sipped therefrom. A lid may close the container, the lid optionally including an aperture to permit passage of the straw, the straw passing through the aperture. Also disclosed is a lidded container wherein the lid is provided with an aperture. A first portion of a drinking straw extends from inside the container, through the hole and to the container's outside to form a hinge for the lid. A second portion of the straw is attached to the container. In this way, the lid remains attached to the straw and container even when removed from the container.