Method and device for folding packing blanks along preformed bend lines
作者： Silvano Boriani , Antonio Gamberini
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摘要: A method and device for folding packing blanks along preformed bend lines, whereby a blank, before being positioned with its intermediate portion contacting the product, folded in U about product two lateral portions same, is engaged by gripping strain-relieving devices which are oscillated given angle respective lines connecting to opposite edges of portion.
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