发明授权
- 专利标题: A method for the continuous extrusion and blowing of thin films of plastics material, in particular rigid PVC
- 专利标题(中): 连续挤压和膨胀塑料材料薄膜,特殊刚性PVC的方法
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申请号: EP79810028.5申请日: 1979-03-27
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公开(公告)号: EP0007286B1公开(公告)日: 1984-12-05
- 发明人: Tramezzani, Giancarlo
- 申请人: P.W.T. Plastic World Technology Limited
- 申请人地址: 9495 Triesen LI
- 专利权人: P.W.T. Plastic World Technology Limited
- 当前专利权人: P.W.T. Plastic World Technology Limited
- 当前专利权人地址: 9495 Triesen LI
- 代理机构: Baggiolini, Raimondo Patent Attorneys
- 优先权: CH3323/78 19780329; CH531/79 19790119
- 主分类号: B29F3/01
- IPC分类号: B29F3/01 ; B29D7/24
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