Film supply apparatus and filling and packaging system including the film supply apparatus
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United States of America Patent
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Apr 3, 2012
Grant Date -
Feb 25, 2010
app pub date -
Jan 16, 2007
filing date -
Jan 16, 2007
priority date (Note) -
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Abstract
Film supply apparatus (2) has two film holders (22a, 22b) supporting two rolls of film as film (101) on a use side and film (100) on a stand-by side respectively, feed rollers (3) for feeding film (101) on the use side, film holding member (34) holding a leading end portion of film (100) on the stand-by side, sucker (36) pulling back film (100) on the stand-by side upstream in a feeding direction and heater bar (31) heat-sealing two films (100, 101). Sucker (36) attracts film (100) by suctioning and pulls film (100) back to a position where a leading end portion thereof faces heater bar (31).
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