METHOD OF WRAPPING ONE OR SEVERAL OBJECTS IN SHRINK FILM Russian patent published in 2004 - IPC

Abstract RU 2233775 C2

FIELD: packing.

SUBSTANCE: according to proposed method two film webs are used, first and second ones. First film web is provided with printed decorative pattern with regularly repeated marks for correct registering with object. Second film web is clear, without registering marks. Said film webs are connected or welded together and objects, in one or several rows, are shifted to film webs by means of pusher. Welder consisting of upper and lower welding jaws pulls film webs around objects and welds film webs at one pass. With upper welding jaws moving down, first film web is held by brake. First film web is held in required position to correctly register with object owing to the fact that first film web in process of welding is moved by drive roller with formation of freely hanging section.

EFFECT: possibility of use of thin film, reduced consumption of material.

3 cl, 3 dwg

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RU 2 233 775 C2

Authors

Khol'M Lejf

Lindstrem Gert

Vestborg Olle

Dates

2004-08-10Published

1999-07-28Filed