Patent ID: 6158200
Filing Date: 2000-12-12
Classification: B65B

Abstract:
A packaging machine through which tubular bag material passes in a predetermined direction and into which product is delivered so that upon portions of the bag material being severed discrete packages of the product are provided, said machine comprising:a drive to engage the tubular bag material to move the tubular bag material through the machine;a control system for said drive, said control system governing the operation of said drive so that the bag material is both accelerated and decelerated a plurality of times during the formation of each discrete package which causes the tubular bag material to vibrate in said direction to aid in minimizing volume occupied by the product during formation of the packages; and whereinsaid control system causes the drive to vibrate the tubular bag material in the direction of travel of the tubular bag material through the machine while maintaining continuous movement of the tubular bag material in said direction.