| 发明名称 |
COMPOSITE TUBULAR FILM APPARATUS |
| 摘要 |
Blown tubular die apparatus for extruding laminated film. Die holder and head relatively rotatively engaging at a transverse interface. Manifold connectible to different extruder supplies and for selective ordering of the lamination materials.
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| 申请公布号 |
US3649143(A) |
申请公布日期 |
1972.03.14 |
| 申请号 |
USD3649143 |
申请日期 |
1969.05.01 |
| 申请人 |
PIERSON INDUSTRIES INC. |
发明人 |
EDWARD G. PAPESH;EDWARD F. PAPESH |
| 分类号 |
B29C47/06;B29C47/20;(IPC1-7):B29D23/04 |
主分类号 |
B29C47/06 |
| 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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