B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
B21C47/02—Winding-up or coiling
B21C47/04—Winding-up or coiling on or in reels or drums, without using a moving guide
B21C47/06—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum
B21C47/063—Winding-up or coiling on or in reels or drums, without using a moving guide with loaded rollers, bolts, or equivalent means holding the material on the reel or drum with pressure rollers only
Procedimento ed apparato per la formazione automatica della coda nell'avvolgimento di fili su bobina, particolarmente di fili di rame o di alluminio e di qualsiasi sezione