发明名称 Device for extruding polyamide or polyester adhesive melt strands - has single stage worm screw provided with number of alternating mixing and shearing zones
摘要 <p>Device for extrusion of uniformly dimensioned polyamide or polyester adhesive melting strands has a single, single stage worm screw whose compression ratio varies from 1:2 to 1:3.2 (1:2.5 to 1:2.9) and rhe mixing zone (IV) has alternately disposed mixing and shearing regions. Each zone may contain 2 to 4 regions and the length of mixing region may vary from 0.4-1.5 (0.9) worm screw dia. Pref. the length of a shearing region varies from 0.1 to 0.5 (0.2) dia.</p>
申请公布号 DE2907075(A1) 申请公布日期 1980.08.28
申请号 DE19792907075 申请日期 1979.02.23
申请人 DYNAMIT NOBEL AG 发明人 JANSER,BERNHARD,ING.;MEWES,HEINZ;NACHTIGALL,WILHELM,DIPL.-ING.
分类号 B29C47/38;B29C47/64;(IPC1-7):B29F3/02 主分类号 B29C47/38
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