Trim removing apparatus associated with a cutting-off machine for the formation of small rolls of toilet paper or the like

  • US 5,475,917 A
  • Filed: 09/24/1993
  • Issued: 12/19/1995
  • Est. Priority Date: 09/28/1992
  • Status: Expired due to Term
First Claim
Patent Images

1. An apparatus for removing trims or scraps from small rolls of logs of web material, said apparatus including a roll conveyor (1;

  • 101) for advancing rows of said small rolls (R) in spacial relation to succeeding rows at a predetermined speed, to provide intervals between successive rows, and trim discharging means, and further comprises;

    a continuous flexible belt (12;

         112) with apertures (22) arranged along its longitudinal development movable at an adjustable speed;

    pneumatic suction means (30;

         130) cooperating with said flexible belt (12;

         112),said flexible belt arranged to receive the rolls from said conveyor and to hold and advance said rolls beneath said belt by means of the pneumatic suction created by said pneumatic suction means through said apertures (22) and to move said rolls away from said conveyor (1;

         101),drive means for changing the speed ratio between said conveyor (1,

         101) and said belt (12;

         112) in order to vary the speed of said belt,said drive means for changing the speed ratio is an electro-mechanical means (2), and more particularly a separate electrical variable-speed motor.

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