Patent ID: 11912443
Assignee: YULWON ENGINEERING CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 2:
3. The film wrapping machine of claim 2, wherein the film supply device includes:
a film providing unit which includes a film winding roller, on which the stretch film is wound and which is rotatably installed, and is configured to supply the stretch film drawn out from the film winding roller along a film supply path;
a film feeding unit configured to, when the stretch film unwound from the film winding roller is interposed between a driving roller which is rotatably mounted on the frame and a driven roller which is pressed against the driving roller and rotates by friction, move the stretch film forward or rearward according to a direction of rotation of the driving roller by a frictional rotational force;
a film cutting unit configured to cut the stretch film moved downward from the film feeding unit to a set length; and
a film fusion unit configured to heat-fuse a rear end portion of the stretch film cut by the film cutting unit,
wherein the controller controls the rotation of the driving roller and controls operation of the film cutting unit and the film fusion unit.