| 摘要 |
The invention relates to a packaging apparatus designed so that a belt-like plastic film is placed over articles being transported on a conveyor, the article being wrapped in the film while the film being stretched widthwise, the film being cut between adjacent articles, the cut ends of the film being folded to and brought in adhesion to the underside of the article. A pair of chains run on both sides of a path of transport of the articles, each of the chains having a number of clamps. As the chains run, the clamps place the film over the articles while clamping both side edge portions and pulling them in the widthwise direction. The distance between the chains is adjustable; where a stretchable film having a high draw ratio is used, the interchain distance is broadened, whereas in the case of a heat-shrinkable film having a low draw ratio being used, the interchain distance is narrowed.
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