| 发明名称 |
Apparatus And Method For Providing Marks On Extruded Films |
| 摘要 |
The invention relates to an apparatus (10) for providing marks on extruded films (7), in particular on stretched films, which are exiting an extrusion lip (3) of a film extruder (1) and a respective method. The apparatus (10) comprises at least one nozzle means (13) for directing a gas stream, preferably an air stream to a surface of the film (7) exiting the extrusion lip (3) of the film extruder (1), wherein the nozzle means (13) are configured and arranged in such a manner that the gas stream locally causes a cooling of the extruded film (7) to create a local mark. |
| 申请公布号 |
US2016200026(A1) |
申请公布日期 |
2016.07.14 |
| 申请号 |
US201414911817 |
申请日期 |
2014.08.13 |
| 申请人 |
ELECTRONIC SYSTEMS S.P.A. |
发明人 |
Martena Florinda;Trizzino Stefano |
| 分类号 |
B29C47/92;G01B5/06;B29C47/00 |
主分类号 |
B29C47/92 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. Apparatus for providing marks on extruded films, in particular on stretched films, which are exiting an extrusion lip of a film extruder, the apparatus comprising:
at least one nozzle means for directing a gas stream, preferably an air stream to a surface of the film exiting the extrusion lip of the film extruder, wherein the nozzle means are configured and arranged in such a manner that the gas stream locally causes a cooling of the extruded film to create a local mark. |
| 地址 |
Momo Novara IT |
