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    PROCÉDÉ ET SYSTÈME DE PRÉPARATION DE CAOUTCHOUC NATUREL DÉCONTAMINÉ
    3.
    发明公开
    PROCÉDÉ ET SYSTÈME DE PRÉPARATION DE CAOUTCHOUC NATUREL DÉCONTAMINÉ 审中-公开
    制备去污染天然橡胶的方法和系统

    公开(公告)号：EP3280581A2

    公开(公告)日：2018-02-14

    申请号：EP16730445.0

    申请日：2016-04-08

    申请人： Compagnie Générale des Etablissements Michelin

    发明人： DUSSILLOLS, Jérôme ,  MERCERON, Jean-Luc

    IPC分类号： B29C47/66 ,  B29C47/36 ,  B29C47/68 ,  B29C47/08

    CPC分类号： C08C3/02 ,  B29C47/0004 ,  B29C47/0813 ,  B29C47/0844 ,  B29C47/0847 ,  B29C47/0881 ,  B29C47/367 ,  B29C47/385 ,  B29C47/666 ,  B29C47/68 ,  B29K2007/00 ,  C08C1/14

    摘要： The invention relates to a method for preparing decontaminated natural rubber. The method is characterised in that it includes a decontamination step in which wet natural rubber coagulum is passed through a system comprising an extruder and a filter installed at the extruder outlet, said extruder having an axially symmetrical grooved sheath provided with grooves in its thickness that open at the inner surface of the sheath. The method is also characterised in that the sheath is such that, in any plane perpendicular to the axis of the sheath, with R (expressed in mm) being the distance between the centre of the sheath and the inner surface of the sheath: a. the ratio (total length of the groove openings, expressed in mm)/(2πR), denoted A, is at least equal to 0.25 and at most equal to 0.9; b. the ratio (number of grooves/2R), denoted B, is greater than or equal to 0.1; c. the ratio (depth of grooves expressed in mm)/(2R), denoted C, is greater than 0.02; and d. the plane that passes through the two bottom edges forms, together with each plane passing through a bottom edge and an intersection edge, defining a side face, an angle δ at least equal to 60° and at most equal to 90°.

    SYSTEMS AND METHODS FOR MANUFACTURING BULKED CONTINUOUS FILAMENT
    5.
    发明公开
    SYSTEMS AND METHODS FOR MANUFACTURING BULKED CONTINUOUS FILAMENT 审中-公开
    用于制造散装连续长丝的系统和方法

    公开(公告)号：EP3220782A1

    公开(公告)日：2017-09-27

    申请号：EP15861579.9

    申请日：2015-11-17

    申请人： Mohawk Industries, Inc.

    发明人： CLARK, Thomas R.

    IPC分类号： A47G27/02 ,  B29C44/50 ,  B29C47/42 ,  C08J11/04 ,  D01F6/62

    CPC分类号： D01F6/62 ,  B29B15/00 ,  B29B17/0026 ,  B29B17/0042 ,  B29C47/0004 ,  B29C47/0009 ,  B29C47/1018 ,  B29C47/366 ,  B29C47/42 ,  B29C47/68 ,  B29C47/766 ,  B29K2023/065 ,  B29K2025/06 ,  B29K2027/06 ,  B29K2067/003 ,  B29K2105/26 ,  C08J11/04 ,  C08J11/06 ,  D01F6/00 ,  D01F13/04 ,  Y02P70/629 ,  Y02W30/62 ,  Y02W30/701

    摘要： A method of recycling polymers and other plastics comprises: (A) grinding recycled PET bottles (or other suitable recycled polymer) into a group of flakes; (B) washing the flakes; (C) identifying and removing impurities, including impure flakes, from the group of flakes; (D) passing the group of flakes through an MRS extruder while maintaining the pressure within the MRS portion of the MRS extruder below about 5 millibars; (E) passing the resulting polymer melt through at least one filter having a micron rating of less than about 50 microns; and (F) preparing the polymer melt for recycling into a new product. In various embodiments, the above process may be utilized in the recycling of, for example, polytrimethylene terephthalate (PTT), polypropylene, polyvinyl chloride (PVC), high-density polyethylene (HDPE), polystyrene (PS), expanded polystyrene (EPS), or any other suitable polymer or plastic

    摘要翻译： 一种回收聚合物和其他塑料的方法包括：（A）将再循环的PET瓶（或其他合适的回收聚合物）研磨成一组薄片; （B）清洗薄片; （C）从薄片组中鉴别和去除杂质，包括不纯的薄片; （D）将该组片通过MRS挤出机，同时保持MRS挤出机的MRS部分内的压力低于约5毫巴; （E）将所得聚合物熔体通过至少一个微米级小于约50微米的过滤器; 和（F）制备聚合物熔体以便再循环到新产品中。 在各种实施方案中，上述方法可以用于例如聚对苯二甲酸1,3-丙二醇酯（PTT），聚丙烯，聚氯乙烯（PVC），高密度聚乙烯（HDPE），聚苯乙烯（PS），发泡聚苯乙烯（EPS） 或者任何其他合适的聚合物或塑料

    DEVICE AND METHOD FOR SCREW-TYPE SUPPLY OF FINE POWDER RAW MATERIAL
    6.
    发明授权
    DEVICE AND METHOD FOR SCREW-TYPE SUPPLY OF FINE POWDER RAW MATERIAL 有权
    螺旋式供应细粉原料的装置和方法

    公开(公告)号：EP2810757B1

    公开(公告)日：2017-06-21

    申请号：EP13782163.3

    申请日：2013-04-26

    申请人： The Japan Steel Works, Ltd.

    发明人： SHIMIZU, Yohei ,  KAKIZAKI, Jun ,  IWAMOTO, Yoshihiko

    IPC分类号： B29C47/10 ,  B29C47/36 ,  B29C47/64 ,  B29C47/68 ,  B29C47/76

    CPC分类号： B65G33/14 ,  B29C47/10 ,  B29C47/1027 ,  B29C47/366 ,  B29C47/64 ,  B29C47/68 ,  B29C47/688 ,  B29C47/765

    摘要： The object of the invention is to fix a screen, which is wound on the outer periphery of a tubular receiving member having gas vent ports, with annular metal fixtures and prevent a fine powder raw material from leaking to the outside. The screw-type fine powder raw material feeding device in accordance with the present invention includes a screen (5) wound on the outer periphery of a tubular receiving member (21) and a plurality of annular metal fixtures (23) for bringing the screen (5) into close contact with the tubular receiving member (21) side. A gap (D) between the screen (5) and an outer diameter of a screw (2) is set to 1 mm to 10 mm, only a gas separated from the fine powder raw material is discharged to the outside from the gas vent ports (20), and the fine powder raw material is fed into a cylinder (1a), with no fine powder raw material being leaked to the outside from the screen (5). The invention also relates to a method using the device.

    摘要翻译： 发明内容本发明的目的在于利用环状的金属固定件将卷绕在具有排气口的筒状的承受部件的外周上的丝网固定，防止微粉原料泄漏到外部。 根据本发明的螺杆式细粉原料供给装置包括卷绕在管状容纳构件（21）的外周上的丝网（5）和多个环形金属固定装置（23），用于将丝网 5）与管状容纳构件（21）侧紧密接触。 筛（5）与螺杆（2）的外径之间的间隙（D）设定为1mm至10mm，仅将从细粉原料中分离出的气体从排气口排出至外部 （20）中，将细粉原料供给到气缸（1a）中，细粉原料不会从筛（5）泄漏到外部。 本发明还涉及使用该装置的方法。

    FILTRATION APPARATUS WITH A SEALING DEVICE
    8.
    发明公开
    FILTRATION APPARATUS WITH A SEALING DEVICE 有权
    具有密封装置过滤装置

    公开(公告)号：EP2900350A4

    公开(公告)日：2016-06-22

    申请号：EP13842602

    申请日：2013-09-16

    申请人： NORDSON CORP

    发明人： TUTTLE KEVIN S ,  GAMBILL GREGORY G ,  STRONG PATRICK K

    IPC分类号： B29C47/08 ,  B01D29/05 ,  B29C47/68

    CPC分类号： B01D25/002 ,  B29C47/081 ,  B29C47/38 ,  B29C47/68 ,  B29C47/681 ,  B29C47/682 ,  B29C47/686 ,  Y10S425/047

    摘要： A polymer filtration apparatus for sealing a slide plate translatable across a bore of an extrusion or mold machine, includes an annular seal having a sealing surface which is biased against the slide plate by a spring mechanism. The annular seal has a thrust surface which is angled relative to the sealing surface and the thrust surface is located at an opposite axial end of the annular seal from the sealing surface. The spring mechanism can be a single spring with overlapping tangs or a multiple spring assembly in overlapping relationship, with or without tangs, to form a continuous barrier. The spring assembly is used to exert a radial force against the thrust surface of the annular seal to bias the seal in an axial direction against the downstream slide plate. In operation, pressurized polymer melt in the extrusion bore further biases the spring against the annular seal which is then transferred to the seal and the slide plate.