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    • 6. 发明授权
    • Process and extruding head for the manufacture and/or coating of
extruding profiles
    • 用于制造和/或涂布挤压型材的工艺和挤压头
    • US5672303A
    • 1997-09-30
    • US528802
    • 1995-09-15
    • Burkhard MetzgerHans Joachim Ziolkowski
    • Burkhard MetzgerHans Joachim Ziolkowski
    • B29C47/02B29C47/04B29C47/28
    • B29C47/046B29C47/0016B29C47/0023B29C47/0026B29C47/025B29C47/28
    • For the extrusion of extruded profiles with a color pattern or their coating with such a color pattern, a plasticized material of at least two-colors is used, which is separated into at least two partial flows. These partial flows are combined before they exit the extruding head (1), whereby the partial flows are largely maintained. These partial flows can in turn be separated into further partial flows. The extruding head (1) is equipped with a distribution plate (4) in which distribution channels (8a, b) as well as a ring channel (11) are formed as grooves, with the ring channel connected to an the exit channel (38) through a ring slot (19, 20). The plasticized material entering through the ring slot (19, 20) into the exit channel (38) coats the pre-manufactured extruded profile (39) inserted through the guidance part (13) and the die arbor (24).
    • 为了挤出具有彩色图案的挤出型材或其具有这种颜色图案的涂层,使用至少两种颜色的增塑材料,其被分离成至少两个部分流。 这些部分流在它们离开挤出头(1)之前组合,从而大部分维持部分流动。 这些部分流动又可分为进一步的部分流动。 挤出头(1)配备有分配板(4),其中分配通道(8a,b)以及环形通道(11)形成为沟槽,其中环形通道连接到出口通道(38) )通过环槽(19,20)。 通过环形槽(19,20)进入出口通道(38)的增塑材料涂覆通过引导部分(13)和模具轴心(24)插入的预制挤出型材(39)。
    • 8. 发明授权
    • Process and installation for the manufacture of pencils
    • 制造铅笔的工艺和安装
    • US5531947A
    • 1996-07-02
    • US240789
    • 1994-05-13
    • Burkhard MetzgerHans Ziolkowski
    • Burkhard MetzgerHans Ziolkowski
    • B29C47/02B43K19/16B43K19/18C09D13/00
    • B43K19/18B29C47/0014B29C47/02B43K19/16C09D13/00
    • In the course of the process of manufacturing pencils the polymer binding material is at first melted in a lead extruder (19) in order to manufacture the lead. To the melted polymer material is then added via a loading extruder (2) a mixture of additives in powder form such as colors, gliding and adhesive substances. After intensive mixing of the components in the lead extruder (1) a lead profile (13) is extruded which is cooled in a first cooling range (3) to the point where, upon entering the coating nozzle (6), it is not fully plastic anymore but also not completely cold. Through the coating extruder (4) and (5) the appropriate materials are introduced for the formation of the pencil coating. In the course of the subsequent second cooling range (8) the pencil profile is cooled down completely and after passing the withdrawal station (11) it is cut in a sawing station (12).
    • PCT No.PCT / EP93 / 02461 Sec。 371日期1994年5月13日 102(e)日期1994年5月3日PCT提交1992年9月12日PCT公布。 出版物WO94 / 06615 日期为1994年3月31日。在制造铅笔的过程中,聚合物粘合材料首先在铅挤出机(19)中熔化以制造铅。 然后通过加料挤出机(2)将粉末形式的添加剂,如颜料,滑动剂和粘合剂物质加入到熔融的聚合物材料中。 在铅挤出机(1)中组分的强烈混合之后,引出型材(13)被挤出,其在第一冷却范围(3)中被冷却至在进入涂布喷嘴(6)时不完全 塑料已经不再完全冷了。 通过涂布挤出机(4)和(5),引入适当的材料以形成铅笔涂层。 在随后的第二冷却范围(8)的过程中,铅笔轮廓完全冷却,并且在通过抽出站(11)之后,它被切割在锯床(12)中。