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1.发明授权公开(公告)号：US11376779B2
公开(公告)日：2022-07-05
申请号：US16622340
申请日：2018-05-30
发明人： Otto Skrabala , Stephan Roider
IPC分类号： B29C48/64 , B29C48/67 , B29C48/605 , B29C48/61
摘要： An extruder screw for the plasticizing of at least one plastic material or a plastic material mixture, with a melting zone, a wave zone and a mixing zone arranged between the melting zone and the wave zone, wherein a conveying web extending in a helix-like manner along a screw longitudinal axis is formed in the melting zone and in the wave zone, wherein a conveying web of the melting zone terminates at an end of the melting zone facing the mixing zone, and a conveying web of the wave zone begins at an end facing the mixing zone. The application also relates to an extrusion device with this extruder screw, and a method for plasticizing at least one plastic material or a plastic material mixture.
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2.发明授权公开(公告)号：US11273420B2
公开(公告)日：2022-03-15
申请号：US17292100
申请日：2019-11-07
发明人： Otto Skrabala , Stephan Roider
IPC分类号： B01F7/08 , B01F7/00 , B29C48/505 , B29C48/395 , B29C48/53
摘要： An extruder screw for plasticizing at least one plastic or plastic mixture, including a melting zone, a shaft zone and a mixing zone arranged between the melting zone and the shaft zone, wherein a conveying flight is formed in the melting zone and in the shaft zone, which extends helically along a longitudinal axis of the screw, wherein a conveying flight of the melting zone ends at an end of the melting zone towards the mixing zone and a conveying flight of the shaft zone begins at an end towards the mixing zone. A flight depth of the melting zone continuously decreases along the longitudinal axis of the screw to the mixing zone. Further, an extrusion device having the extruder screw and to a method for plasticizing at least one plastic or plastic mixture.
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3.发明申请公开(公告)号：US20210402358A1
公开(公告)日：2021-12-30
申请号：US17292100
申请日：2019-11-07
发明人： Otto Skrabala , Stephan Roider
摘要： An extruder screw for plasticizing at least one plastic or plastic mixture, including a melting zone, a shaft zone and a mixing zone arranged between the melting zone and the shaft zone, wherein a conveying flight is formed in the melting zone and in the shaft zone, which extends helically along a longitudinal axis of the screw, wherein a conveying flight of the melting zone ends at an end of the melting zone towards the mixing zone and a conveying flight of the shaft zone begins at an end towards the mixing zone. A flight depth of the melting zone continuously decreases along the longitudinal axis of the screw to the mixing zone. Further, an extrusion device having the extruder screw and to a method for plasticizing at least one plastic or plastic mixture.
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