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    VERFAHREN UND VORRICHTUNG ZUR EXTRUSION EINES NICHT ROTATIONSSYMMETRISCHEN STRANGES
    1.
    发明公开
    VERFAHREN UND VORRICHTUNG ZUR EXTRUSION EINES NICHT ROTATIONSSYMMETRISCHEN STRANGES 审中-公开

    公开(公告)号：EP3416802A1

    公开(公告)日：2018-12-26

    申请号：EP17704705.7

    申请日：2017-02-08

    申请人： TROESTER GmbH & Co. KG

    发明人： PIELSTICKER, Bernd ,  SCHOPPMANN, Kurt

    IPC分类号： B29C47/92 ,  B29C47/06 ,  B29C47/00 ,  B29C47/56 ,  G01N23/00 ,  G01B15/00

    CPC分类号： B29C47/0009 ,  B29C47/0004 ,  B29C47/0019 ,  B29C47/065 ,  B29C47/56 ,  B29C47/92 ,  B29C2947/92114 ,  B29C2947/92133 ,  B29C2947/92152 ,  B29C2947/92447 ,  B29K2021/006 ,  G01B11/24 ,  G01B15/02 ,  G01N23/087 ,  G01N2223/615

    摘要： The invention relates to a method and a device for the extrusion of a non-rotationally symmetrical strand comprising at least two, in particular three, at least partially overlapping strand components, wherein the device for the extrusion has a number of extruders. These strand components each consist of an elastomer or an elastomer compound, in particular rubber or a rubber compound, wherein the strand components form boundary surfaces and/or butt joints with one another. The position of outer coordinates of the strand can in this case be determined by using a contactless measuring method, in particular a laser measuring method. Furthermore, for determining the position of coordinates of the boundary surfaces and/or butt joints and/or the distribution of the strand components in the strand cross section, electromagnetic radiation that at least partially passes through the strand is emitted by means of at least one radiation source. After at least partially passing through the strand, the electromagnetic radiation is detected by means of at least one radiation detector and as a result at least one measuring signal is generated, the strand in this case moving in relation to at least the one radiation source. In this case, the strand is passed through by means of electromagnetic radiation, which is emitted by means of at least one radiation source, of at least two different intensities and is detected by at least one radiation detector.

    APPARATUS AND METHOD FOR AUTOMATICALLY ANALYZING EXTRUDED FILMS
    4.
    发明公开
    APPARATUS AND METHOD FOR AUTOMATICALLY ANALYZING EXTRUDED FILMS 审中-公开
    DEVICE AND METHOD FOR挤出淋膜自动分析

    公开(公告)号：EP3033210A1

    公开(公告)日：2016-06-22

    申请号：EP14761962.1

    申请日：2014-08-13

    申请人： Electronic Systems S.p.A.

    发明人： MARTENA, Florinda

    IPC分类号： B29C47/16 ,  B29C47/92 ,  B29C47/88

    CPC分类号： B29C47/92 ,  B29C47/0021 ,  B29C47/0069 ,  B29C47/165 ,  B29C47/8845 ,  B29C2947/92133 ,  B29C2947/92152 ,  B29C2947/92447 ,  B29C2947/92628 ,  B29C2947/92647 ,  B29C2947/92904 ,  B29L2007/008

    摘要： The invention relates to an apparatus (20) for automatically analyzing extruded films, in particular stretched films (7), wherein a neck-in portion is formed at each of both edges of the film at a specific distance from an extrusion lip of a film extruder along the longitudinal transport direction of the film, and a respective method. The apparatus comprises two edge detectors (31a, 31b) being arranged along a first line substantially transversal to the longitudinal direction and being spaced from each other by a specific distance, wherein each one edge detector (31a, 31b) is configured to detect, preferably to continuously detect the lateral position of one respective edge of the neck-in portion of the film, a calculation means for determining the spatial relation between at least one lateral position at the extrusion lip and a respective lateral position at the neck-in portion on the basis of the two lateral positions of the edges of the neck-in portion of the film.