Patent ID: 6122898
Filing Date: 2000-09-26
Classification: B65B

Abstract:
A packaging machine for making flow packs, provided with a cut and seal unit for making transverse seams in a packaging material which has been formed into a tube and for forming cuts in the transverse seams, the cut and seal unit comprising a first and second roller, rotating respectively about a first and second axis; the first and second roller providing therebetween a path for the packaging material; at least a first and a second cut and seal head being fitted respectively to the first and second roller; the first and second cut and seal heads cooperating cyclically with each other at a portion of said path extending between the rollers; and wherein each of the first and second rollers is provided with a gripper means; the gripper means being fitted to the roller between adjacent cut and seal heads; and said gripper means comprising openings for connecting the gripper means to vacuum facilities.