发明名称 METHOD FOR PRODUCING POWDER FROM A GRANULAR THERMOPLASTIC MATERIAL AND DEVICE FOR PRODUCING CHIPS FROM A PULVERULENT THERMOPLASTIC MATERIAL
摘要 A method for producing powder from a coarsely granular, thermoplastic material, comprising a homogenizing first device produces a first melt from a non-homogeneous pre-mixture of the material; first chips are produced from the first melt in a second device; the chips are milled to a powder; the powder is separated into at least two fractions with coarser and finer particle sizes; and a selected fraction with finer particle sizes is returned to the method prior to milling; wherein a second melt is produced from the selected fraction in a non-homogenizing third device, with second chips being produced from the latter, and the second chips are combined with the first chips and milled with each other.
申请公布号 EP2849923(B1) 申请公布日期 2016.10.05
申请号 EP20130723032 申请日期 2013.04.29
申请人 BBA INNOVA AG 发明人 KIRCHHOFER, URS
分类号 B29B9/04;B01J2/22;B01J2/26;B29B13/10;B29C43/22;B29C47/08;B29C47/36 主分类号 B29B9/04
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