Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL

B21C47/00Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only

B21C47/003Regulation of tension or speed; Braking B21C47/006winding-up or winding-off several parallel metal bands B21C47/02Winding-up or coiling B21C47/04on or in reels or drums, without using a moving guide B21C47/045in rotating drums B21C47/06with loaded rollers, bolts, or equivalent means holding the material on the reel or drum B21C47/063with pressure rollers only B21C47/066with belt wrappers only B21C47/08without making use of a reel or drum, the first turn being formed by a stationary guide B21C47/10by means of a moving guide B21C47/12the guide moving parallel to the axis of the coil B21C47/14by means of a rotating guide B21C47/143the guide being a tube B21C47/146Controlling or influencing the laying pattern of the coils B21C47/16Unwinding or uncoiling B21C47/18from reels or drums B21C47/20the unreeled material moving transversely to the tangent line of the drum B21C47/22Unwinding coils without reels or drums B21C47/24Transferring coils to or from winding apparatus or to or from operative position therein Preventing uncoiling during transfer B21C47/242Devices for swinging the coil from horizontal to vertical, or vice versa B21C47/245Devices for the replacement of full reels by empty reels or vice versa, without considerable loss of time B21C47/247Joining wire or band ends B21C47/26Special arrangements with regard to simultaneous or subsequent treatment of the material B21C47/262Treatment of a wire, while in the form of overlapping non-concentric rings B21C47/265"helicofil" systems B21C47/267Scrap treatment B21C47/28Drums or other coil-holders B21C47/30expansible or contractible B21C47/32Tongs or gripping means specially adapted for reeling operations B21C47/323Slits or pinces on the cylindrical wall of a reel or bobbin, adapted to grip the end of the material being wound B21C47/326Devices for pressing the end of the material being wound against the cylindrical wall of the reel or bobbin B21C47/34Feeding or guiding devices not specially adapted to a particular type of apparatus B21C47/3408for monitoring the lateral position of the material B21C47/3416with lateral edge contact B21C47/3425without lateral edge contact B21C47/3433for guiding the leading end of the material B21C47/3441Diverting the leading end B21C47/345for monitoring the tension or advance of the material B21C47/3458Endlessly revolving chain systems B21C47/3466by using specific means B21C47/3475Fluid pressure or vacuum B21C47/3483Magnetic field B21C47/3491Brushes