US6266987B1 - Disk roll exchanging apparatus for vertical ...
The disk roll exchanging apparatus of the present invention includes a pair of disk frames 6 which support disk rolls 3 and which are capable of swinging open, a disk roll lifting device 12 for mounting the disk roll to and demounting it from the opened disk frames, and a horizontally moving device 18 for carrying and horizontally moving the disk roll lifting device, thereby …
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