Patent ID: 8974214
Filing Date: 2015-03-10
Classification: B29C,B29D

Abstract:
1. A device for manufacturing an optical film comprising: a flow casting die configured to discharge in a film state a molten film-constituting-material containing a thermoplastic resin to form a film-shaped molten article; a pair of rotation rolls configured to cool and solidify the film-shaped molten article by pinching the molten film-shaped article therebetween; and a pair of wind shield members, each of the wind shield members is provided between a respective end of the rotation rolls in an axial direction of the rotation rolls and the film-shaped molten article, the each of the wind shield members including: a first wind shield plate; and a second wind shield plate provided on an outer side of the first wind shield plate in the axial direction, the first wind shield plate and the second wind shield plate being approximately perpendicular to a surface of the film-shaped molten article and approximately parallel to each other.