초록

A step in a film bag conveyor for a bag making machine protects the unwelded ends of a stack of film bags being conveyed away from disturbance by web support air jets. The step optionally permits the welded bag ends to overhang and thereby reduce stack height.

대표청구항 ▼

Apparatus for stacking and transporting sheet material comprising: (a) a conveyor belt; (b) a stacking place for stacking said sheet material at least partly on said conveyor belt; (c) at least one downward step at the end of said stacking place; (d) moving means for moving said conveyor belt a conv

Apparatus for stacking and transporting sheet material comprising: (a) a conveyor belt; (b) a stacking place for stacking said sheet material at least partly on said conveyor belt; (c) at least one downward step at the end of said stacking place; (d) moving means for moving said conveyor belt a conveyor increment at least as far as the distance from said the trailing end of a stack of sheet material on said stacking place to the edge of said step whereby said trailing end is moved over said step; and (e) the height of said step exceeding the height of said stack.