Patent ID: 6371304
Filing Date: 2002-04-16
Classification: B26D

Abstract:
A device for the selection and elimination of crop ends of rolls of kitchen towel and/or toilet paper, said device being supplied by at least one successive row of finished rolls (12) and cut top and tail crop ends (13) of at least one log, characterized by a fixed structure (14), supporting an upper belt unit (16) and a lower belt unit (15a and 15b), facing each other to receive said rolls (12) and crop ends (13), said lower belt unit (15a and 15b) having a first lower belt subunit (15a) and a second lower belt subunit (15b), separated by an opening (26) capable of receiving crop ends from a pathway created by said upper and lower belt units, contact with the finished rolls and crop ends along said pathway by a flange (33), one on each side of a belt (22) located between the upper and lower belt units, at the end of a first lower belt subunit (15a) immediately before said opening (26) that separates the first lower belt subunit and second lower belt subunit and carried by a shaft (23â€³) bearing a winding pulley (28) of said belt (22), said flanges (33) on faces (34) turned inwards towards an upper branch of said belt (22), being equipped with a rubbery material (35) that engages with the external sides of a crop end (13) causing it to rotate down and enter said opening (26), letting the cut and finished rolls (12) pass.