(under subclass 129.1) Devices in which the strand or web is unwound from a spool or reel rotating in an unwinding direction, and including means to reverse the direction of rotation of the spool or reel.
(1) Note. Included herein are devices in which the strand or web material is wound around a roller auxiliary to the supply spool, which roller is located intermediate the supply spool and the free end of said material and rotates in one direction as said material is taken from the supply spool, and including means for reversing the direction of said roller.
