Manufacturing method of laminate film excellent in antistatic property and manufacturing method of bag body excellent in antistatic property

摘要

PPROBLEM TO BE SOLVED: To provide a method for efficiently and inexpensively manufacturing a laminated film which is good in clean properties, prevented enough from being electrified, superior in the durability of anti-static properties, and hardly takes a charge even after the passage of time. PSOLUTION: The method for manufacturing the laminated film superior in anti-static properties includes: the first charge removing treatment process in which the lamination surfaces of at least two films 2, 3 before being laminated are subjected to charge removing treatment using non-air blowing type charge removing devices 21 to 24 and an air blowing type charge removing device 29; the lamination process in which the films treated in the first charge removing treatment process are laminated together to obtain a laminated, integrated film 4; and the second charge removing treatment process in which both outer surfaces of the laminated, integrated film 4 are subjected to the charge removing treatment using charge removing devices 25 to 28. PCOPYRIGHT: (C)2009,JPO&INPIT