The reel changer 26 is provided with a reel holding lever 31 turnably holding the reels 30a and {HEAD ~ 30b}, and a detector 32 for measuring {TAIL ~ the amount} of the web 7 wound around the reel 30a or 30b 
The reel changer 26 is provided with a reel holding lever 31 turnably holding the reels 30a and { HEAD ~ 30b } , and a detector 32 for measuring { TAIL ~ the amount } of the web 7 wound around the reel 30a or 30b
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH