DRIVING ROLLER DEVICE OF PACKING BAND

摘要

PROBLEM TO BE SOLVED: To provide a driving roller device of a packing band having a constitution in which the packing band is not tightly clogged in a band passage. SOLUTION: This driving roller device has a band passage forming guide 27 extending from a position of a band driving roller 21 to a seal main body 13. The band passage forming guide 27 is constituted by a roller side guide member 29 placed at a position of the band driving roller 21 and a seal side guide member 31 positioned in a band feeding-out direction in continuous with the roller side guide member 29. The roller side guide member 29 oscillates outside while being pushed by a packing band 9 when the band is clogged so as to generate an opening part through which the packing band 9 protrudes. COPYRIGHT: (C)2004,JPO