Patent ID: 6228010
Filing Date: 2001-05-08
Classification: B31B

Abstract:
An apparatus for bending a box sheet along a fold formed at a predetermined position in the box sheet, comprising:a sensor for detecting a tip of the box sheet moving along a sending route;a hook comprising a tip positioned above the sending route of the box sheet for holding said tip of the box sheet; anda lifting device for lifting a part of the box sheet between said tip of the box sheet and said fold until said tip of the box sheet comes in contact with said tip of the hook positioned above the sending route of the box sheet when said sensor detects said tip of the box sheet;wherein said tip of the hook operates above the sending route of the box sheet to hold said tip of the box sheet when the box sheet is lifted by said lifting device, thereby bending the box sheet along said fold and releasing said tip of the box sheet as the box sheet moves along the sending route.