| 发明名称 |
EXTRUSION APPARATUS FOR MAKING MULTILAYER ARTICLES |
| 摘要 |
In certain aspects of the invention, an extrusion apparatus for making a multilayer article includes multiple discs, each of which has at least one passageway configured to permit fluid flow therethrough in a flow direction. At least one of the discs includes a cone shaped portion extending substantially parallel to the flow direction.
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| 申请公布号 |
US2008145469(A1) |
申请公布日期 |
2008.06.19 |
| 申请号 |
US20080032054 |
申请日期 |
2008.02.15 |
| 申请人 |
BOSTON SCIENTIFIC SCIMED, INC. |
发明人 |
CHIN ALBERT;CHEN JOHN JIANHUA;SVATEK THOMAS A.;SAHATJIAN RONALD A. |
| 分类号 |
B29C47/00;A61F2/958;A61M25/00;B29C47/06 |
主分类号 |
B29C47/00 |
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