专利检索 ap:("DOTECO S.P.A.") AND inv:"CAZZOLA, Daniele" 第 1 页

1.

发明申请
COOLING RING FOR FILM EXTRUSION PLANTS 审中-公开

公开(公告)号：WO2020049459A1

公开(公告)日：2020-03-12

申请号：PCT/IB2019/057415

申请日：2019-09-03

申请人： DOTECO S.P.A.

发明人： CAZZOLA, Daniele , ANSALONI, Matteo

IPC分类号： B29C48/885 , B29C48/10 , B29C48/92 , B29C55/28 , B29C48/88

摘要： The present invention refers to a cooling ring (10) for extrusion plants for extrusion by blowing of a plastic film (F). More particularly, the present invention refers to a cooling ring (10) that allows to efficiently obtaining a flow of air acting on the film (F) in an adjustable way.