发明名称 |
Process for manufacturing multilayer pellets and use of the multilayer pellets |
摘要 |
A process for manufacturing multilayer pellets having a core-sheath structure with a molding material forming a sheath which covers the outer circumference of another molding material forming a core, which includes (a) supplying the core material and the sheath material to a die extruder having multiple extrusion-forming parts arranged along a circumference, (b) extruding multiple multilayer strands from the extrusion-forming parts by covering around the outer circumference of the core material concentrically with the sheath material, and (c) cutting the extruded multilayer strands to manufacture multilayer pellets.
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申请公布号 |
US2004131853(A1) |
申请公布日期 |
2004.07.08 |
申请号 |
US20030703630 |
申请日期 |
2003.11.10 |
申请人 |
SUMIKA COLOR COMPANY, LIMITED |
发明人 |
MUSHIAKE NAOHIKO;KODAMA KENJI;MORI HIROYUKI;HAMADA SUMIO;ITOU TUYOSHI;KOMAI JUN |
分类号 |
B29B9/06;B29B9/12;B29B13/06;B29C47/06;B29C47/28;(IPC1-7):B32B27/00 |
主分类号 |
B29B9/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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