摘要 |
<p>TAPED BAG CHAIN WITH CASSETTE A bag chain for feeding packaging bags to a bag loader includes bags 2a,2b,2c imbricated and carried by a pair of parallel carrier tapes 3 and 4 which are wound up on spools 8 and 9 of a cassette 5. Loading the bag chain in a bag indexing drive unit involves simply placing the cassette 5 into position with the spools 8 and 9 engaged with parallel drive dogs 11 and 12, after which operation of a drive motor 15, driving the dogs 11 and 12 through a differential unit 14-22 indexes the bags 2a,2b,2c... and winds up the tapes 3 and 4. upon complete consumption of the bag chain, the cassette can be removed and replaced by a fresh cassette with the tapes outside the cassette and carrying the imbricated bags.</p> |