APPARATUS FOR MANUFACTURING AND PROCESSING PRE-STRETCH FILMS HAVING STRIPS OF INCREASED THICKNESS
摘要
A device for producing pre-stretch film includes a die defining a die outlet through which molten polymer is extruded. The polymer is suitable for producing the pre-stretch film. A film producing device is spaced apart from the die. One or more coolant supplies are positioned proximate the film producing device for directing a stream of coolant onto the molten polymer positioned on the film producing device.
申请公布号
WO2014143929(A2)
申请公布日期
2014.09.18
申请号
WO2014US28115
申请日期
2014.03.14
申请人
DAVIS-STANDARD, LLC;HELMY, HASSAN;MOELLER, ROBERT F.;CHRISTIANO, JOHN P.;HOULD, DANIEL F.
发明人
HELMY, HASSAN;MOELLER, ROBERT F.;CHRISTIANO, JOHN P.;HOULD, DANIEL F.