发明名称 |
METHOD AND APPARATUS FOR MANUFACTURING COEXTRUDED PRODUCTS |
摘要 |
A method for manufacturing coextruded products by coextruding continuous strands of one extrudable material and enveloping sheaths and twisting these sheathed strands about each other for at least part of a full revolution. An apparatus for manufacturing such products comprises a multiplicity of nozzles each having a central bore with feeding means and an annular opening surrounding this bore having separte feeding means, which nozzles are arranged for mutual movement comprising at least part of a rotation. |
申请公布号 |
WO9303909(A1) |
申请公布日期 |
1993.03.04 |
申请号 |
WO1992GB01496 |
申请日期 |
1992.08.13 |
申请人 |
UNILEVER PLC;UNILEVER NV |
发明人 |
COCKINGS, TERRENCE, RICHARD;MAWHINNEY, PETER, THOMAS |
分类号 |
A21C3/08;A21C11/16;A23P1/12;B29C47/04;B29C47/06;B29C47/24 |
主分类号 |
A21C3/08 |
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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