Packing film stretching and rewinding machine

Details Packing film stretching and rewinding machine Packing film stretching and rewinding machine

2009-01-14

2009-12-15

Kim, Sang (Department: 3654)

Winding, tensioning, or guiding

Convolute winding of material

With spool loading or coil removal

C242S533400

Reexamination Certificate

active

07631832

ABSTRACT:
A packing film stretching and rewinding machine includes a machine table provided thereon with a stretching device, a lip-folding device, a swing device and a rewinding device. A packing film can be stretched, lip-folded and rewound at the same time on the machine table. The packing film is stretched, lengthened and thinned by the stretching device and then the stretched packing film has the opposite edges folded by the lip-folding device to enhance the strength of the opposite edges of the packing film. Subsequently, the edged packing film is rewound into small rolls by the rewinding device. When the packing film is rewound into small rolls, the reel will not be deformed by tightening, needless to stop operating of the machine during whole operation, able to save man-power and lower producing cost.

REFERENCES:
patent: 3592403 (1971-07-01), Schmitt et al.
patent: 3848824 (1974-11-01), Van Schijndel
patent: 4422588 (1983-12-01), Nowisch
patent: 5022597 (1991-06-01), Morizzo
patent: 5257748 (1993-11-01), Morizzo
patent: 7293736 (2007-11-01), Recami et al.

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