发明申请
US20120228796A1 APPARATUS AND METHOD FOR MANUFACTURING MULTIPLEX INTERLAYER FOR SAFETY GLASS 有权
用于制造安全玻璃的多层中间层的装置和方法

APPARATUS AND METHOD FOR MANUFACTURING MULTIPLEX INTERLAYER FOR SAFETY GLASS
摘要:
Provided is a method for manufacturing a multilayered interlayer for safety glass that allows for reliable and easy formation of inserted layers having a larger coloring layer. The method for manufacturing includes processes for respectively delivering, from a first and a second extruding machine, thermoplastic resin composition(s) for the outermost and inserted layers formation in a molten state to the first and second delivering hole of the guide for layer disposition; a process for simultaneously forcing the thermoplastic resin composition(s) to respectively arrive in the outlets for the outermost and inserted layers formation through the flow paths for the outermost and inserted layers formation; and a process for extruding the thermoplastic resin composition(s) for the outermost and inserted layers formation as a multilayer film in a condition where the thermoplastic resin composition for the inserted layer formation is disposed between the thermoplastic resin compositions for the outermost layers formation.
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