Adjusting or controlling tension in filamentary material

BPERFORMING OPERATIONS TRANSPORTING B65Thin material handling B65HHANDLING THIN OR FILAMENTARY MATERIAL

B65H59/00Adjusting or controlling tension in filamentary material

B65H59/005Means compensating the yarn tension in relation with its moving due to traversing arrangements B65H59/02by regulating delivery of material from supply package B65H59/04by devices acting on package or support B65H59/043with a braking force varying proportionally to the diameter or the weight of the package being unwound B65H59/046varying proportionally to the weight only B65H59/06by devices acting on material leaving the package B65H59/08by contact of running length of material with supply package B65H59/10by devices acting on running material and not associated with supply or take-up devices B65H59/105the material being subjected to the action of a fluid B65H59/12Stationary elements arranged to deflect material from straight path B65H59/14and provided with surfaces imposing additional retarding forces on material B65H59/16Braked elements rotated by material B65H59/18Driven rotary elements B65H59/20Co-operating surfaces mounted for relative movement B65H59/22and arranged to apply pressure to material B65H59/225Tension discs B65H59/24Surfaces movable automatically to compensate for variation in tension B65H59/26and arranged to deflect material from straight path B65H59/28the surfaces being urged towards each other B65H59/30Surfaces movable automatically to compensate for variation in tension B65H59/32the surfaces being urged away from each other B65H59/34Surfaces movable automatically to compensate for variation in tension B65H59/36Floating elements compensating for irregularities in supply or take-up of material B65H59/38by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices B65H59/381using pneumatic or hydraulic means B65H59/382using mechanical means B65H59/384using electronic means B65H59/385Regulating winding speed B65H59/387Regulating unwinding speed B65H59/388Regulating forwarding speed B65H59/40Applications of tension indicators