发明授权
- 专利标题： Triple-wall foam coextrusion apparatus
- 专利标题（中）： 三壁泡沫共挤装置
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申请号： US932636申请日： 1986-11-19
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公开(公告)号： US4731002A公开(公告)日： 1988-03-15
- 发明人: Steven E. Spence , Robert F. Shamet , Flavio Da Silva , Horst Eigruber
- 申请人： Steven E. Spence , Robert F. Shamet , Flavio Da Silva , Horst Eigruber
- 申请人地址： KS McPherson
- 专利权人： American Maplan Corporation
- 当前专利权人： American Maplan Corporation
- 当前专利权人地址： KS McPherson
- 主分类号： B29C44/50
- IPC分类号： B29C44/50 ; B29C47/02 ; B29C47/06 ; B29C47/20 ; B29C47/70 ; B29C47/12
摘要：
A triple-wall foam coextrusion apparatus in which inner and outer layers of one synthetic resin material are coextruded with an intermediate layer of another synthetic resin material, and wherein the passages for the first material are inclined to the axis along which the second material is extruded around a spider to ensure uniform flow.
公开/授权文献
- US5453917A Decorative tube with neon tube 公开/授权日：1995-09-26
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