发明授权
- 专利标题: Apparatus and method for producing a polyolefinic transpiring film
- 专利标题(中): 用于制造聚烯烃蒸镀膜的装置和方法
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申请号: US10089313申请日: 2000-10-31
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公开(公告)号: US07063764B1公开(公告)日: 2006-06-20
- 发明人: Fabrizio Lori , Graziano Bortoletto
- 申请人: Fabrizio Lori , Graziano Bortoletto
- 申请人地址: IL Milan
- 专利权人: Nuova Pansac S.p.A.
- 当前专利权人: Nuova Pansac S.p.A.
- 当前专利权人地址: IL Milan
- 代理机构: Bacon & Thomas
- 优先权: ITMI99A2318 19991105
- 国际申请: PCT/IB00/01572 WO 20001031
- 国际公布: WO01/32394 WO 20010510
- 主分类号: B29C47/00
- IPC分类号: B29C47/00 ; B29C55/14 ; B29C55/26
摘要:
The invention relates to a method and a plant for producing polyolefinic transpiring films by means of bubble extrusion of a LLDPE and filler mix, flattening of the extruded tube to obtain a double layer flat film and transversely and/or longitudinally stretching of the double layer flat film.
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