METHOD AND APPARATUS FOR SHRINKING A HEAT-SHRINK FILM APPLIED AROUND AN, IN PARTICULAR PALLETIZED, GOODS STACK
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United States of America Patent
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Feb 28, 2017
filing date -
Mar 1, 2016
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Abstract
The invention relates to a shrinking a heat-shrink film around palletized goods. The heat-shrink film projects beyond the top edge of the goods stack. Firstly the heat-shrink film is shrunk in the region of a first lateral surface sub-region of the four lateral surface sub-regions of the goods stack. The shrinkage direction is from bottom to top and then the shrinkage direction is changed 90°. In a further step
- either, the shrinkage direction is changed a further 90°, the heat-shrink film is shrunk from top to bottom in the region of that lateral surface sub-region of the goods stack,or, the shrinkage direction is changed a further 90°, and the heat-shrink film is preheated from top to bottom in the region of that lateral surface sub-region which is located oppositely from the first lateral surface sub-region, and is then shrunk in the opposite direction from bottom to top.
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