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    • 6. 发明授权
    • Device for generating a hollow plastic profile
    • 用于产生中空塑料型材的装置
    • US08758661B2
    • 2014-06-24
    • US13704927
    • 2011-06-20
    • Florian Johannes Schneider
    • Florian Johannes Schneider
    • B32B1/08
    • B29C47/0088B29C47/0023B29C47/20B29C47/862B29C47/882B29C47/904B29C47/92B29C2791/006B29C2947/92209B29C2947/92409B29C2947/92514B29C2947/92904
    • A device for generating a hollow plastic profile, in particular a plastic tube, having an air guidance system for interior cooling of the tube, wherein said device allows for a more simple design, improved process properties, and better tube quality. The device according to the invention comprises an extrusion die (100) having a melt channel (114) encompassing the extrusion axis, an extruder that feeds plastic melt to the extrusion die (100), and a suction device for suctioning air through the interior of the profile opposite the direction of extrusion, wherein the extruder feeds the extrusion die (100) centrally and the suction device comprises a central suction tube (140) disposed within the melt channel and partial flow suction channels (144) connected to the central suction tube (140); in the suctioning direction and leading out of the interior of the extrusion die (100).
    • 一种用于产生中空塑料型材的装置,特别是塑料管,其具有用于管的内部冷却的空气引导系统,其中所述装置允许更简单的设计,改进的加工性能和更好的管质量。 根据本发明的装置包括具有包围挤出轴线的熔体通道(114)的挤出模具(100),将塑料熔体供给到挤出模具(100)的挤出机,以及用于通过内部吸入空气的抽吸装置 所述轮廓与挤出方向相反,其中所述挤出机将所述挤出模具(100)中心地进料,并且所述抽吸装置包括设置在所述熔体通道内的中心抽吸管(140)和连接到所述中心抽吸管 (140); 在吸引方向上并且从挤出模具(100)的内部引出。
    • 9. 发明授权
    • Transforming process
    • 转型过程
    • US08623261B2
    • 2014-01-07
    • US12001921
    • 2007-12-13
    • Mahesh PatkarMichael Musgrave
    • Mahesh PatkarMichael Musgrave
    • B29C51/02B29C51/04B29C51/10
    • B29C51/10B29C47/0021B29C47/003B29C47/8805B29C47/8845B29C47/904B29C51/002B29C51/082B29C2791/006B29C2791/007B29K2023/12B29K2105/256B29L2031/565B29L2031/712
    • A method of preparing a thermoformed article which is relatively isotropic in terms of shrinkage of the final thermoformed article along the sheet extrusion flow path (the longitudinal direction) and the transverse direction. The article is prepared from an isotactic polypropylene produced by the polymerization of propylene with an isospecific metallocene catalyst. The polymer has a melt flow rate within the range of 1-5 grams/10 minutes and a melting temperature of no more than 160° C. The polypropylene is extruded to provide a sheet which is oriented in at least one direction and has a thickness of 10-100 mils. The sheet is heated to a temperature of 135-160° C, and thermoformed in contact with a template having the desired configuration to produce the thermoformed article. The thermoformed article is then cooled and retrieved from the template to arrive at the final product.
    • 一种制备热成型制品的方法,该热成型制品在最终热成型制品沿着片材挤出流动路径(纵向)和横向方向的收缩方面相对各向同性。 该制品由通过丙烯与特异性茂金属催化剂聚合制备的全同立构聚丙烯制备。 聚合物的熔体流动速率在1-5克/ 10分钟的范围内,熔融温度不超过160℃。将聚丙烯挤出以提供在至少一个方向取向并具有厚度 为10-100密耳。 将片材加热至135-160℃的温度,并与具有所需构型的模板热成型以制备热成型制品。 然后将热成型制品冷却并从模板中取出以得到最终产品。
    • 10. 发明申请
    • DEVICE FOR GENERATING A HOLLOW PLASTIC PROFILE
    • 用于产生中空塑料型材的装置
    • US20130093127A1
    • 2013-04-18
    • US13704927
    • 2011-06-20
    • Florian Johannes Schneider
    • Florian Johannes Schneider
    • B29C47/00
    • B29C47/0088B29C47/0023B29C47/20B29C47/862B29C47/882B29C47/904B29C47/92B29C2791/006B29C2947/92209B29C2947/92409B29C2947/92514B29C2947/92904
    • A device for generating a hollow plastic profile, in particular a plastic tube, having an air guidance system for interior cooling of the tube, wherein said device allows for a more simple design, improved process properties, and better tube quality. The device according to the invention comprises an extrusion die (100) having a melt channel (114) encompassing the extrusion axis, an extruder that feeds plastic melt to the extrusion die (100), and a suction device for suctioning air through the interior of the profile opposite the direction of extrusion, wherein the extruder feeds the extrusion die (100) centrally and the suction device comprises a central suction tube (140) disposed within the melt channel and partial flow suction channels (144) connected to the central suction tube (140); in the suctioning direction and leading out of the interior of the extrusion die (100).
    • 一种用于产生中空塑料型材的装置,特别是塑料管,其具有用于管的内部冷却的空气引导系统,其中所述装置允许更简单的设计,改进的加工性能和更好的管质量。 根据本发明的装置包括具有包围挤出轴线的熔体通道(114)的挤出模具(100),将塑料熔体供给到挤出模具(100)的挤出机,以及用于通过内部吸入空气的抽吸装置 所述轮廓与挤出方向相反,其中所述挤出机将所述挤出模具(100)中心地进料,并且所述抽吸装置包括设置在所述熔体通道内的中心抽吸管(140)和连接到所述中心抽吸管 (140); 在吸引方向上并且从挤出模具(100)的内部引出。