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 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|