24-07-2014 дата публикации
Номер: US20140202118A1
A packing method and unit () for producing a rigid package () with a hollow rib (); an end portion of a blank () is folded about a contrasting body () onto a panel (′) of the blank () to form the hollow rib (); a fastening tab (), which forms the end part of the end portion, is glued to the panel (′) to stabilize the hollow rib (); and the contrasting body () is extracted from the hollow rib () once the end portion is folded. 11511121311. A packing method for producing a rigid package () with a hinged lid () , which has a top wall () with three hollow ribs ( , ) extending in a U along the perimeter of the top wall (); the packing method comprising the steps of:{'b': 21', '11', '21', '12', '13, 'folding an end portion of a blank () onto a panel (′) of the blank () to form each hollow rib (; ); and'}{'b': 16', '19', '11', '12', '13, 'gluing a fastening tab (; ), which forms the end part of the end portion, to the panel (′) to stabilize each hollow rib (; );'}the packing method being characterized by comprising the further steps of:{'b': 36', '39', '11, 'positioning a contrasting body (; ) close to the panel (′) before folding each end portion;'}{'b': 36', '39', '12', '13, 'folding each end portion about the contrasting body (; ) to form the hollow rib (; );'}{'b': 36', '39', '12', '13, 'extracting the contrasting body (; ) from the hollow rib (; ) once each end portion is folded;'}{'b': 21', '29', '34', '12', '29', '36', '35', '13', '29', '39, 'feeding the blank () along a straight folding path () through a first folding station (), where a first hollow rib () parallel to the folding path () is folded about a first contrasting body (), and through a second folding station (), where two second hollow ribs () perpendicular to the folding path () are folded about two respective second contrasting bodies ();'}{'b': 21', '3', '34', '35, 'applying the blank () to an article () downstream from the first and second folding stations (, ); and'}{'b': 21', '3', '1', '3', '5, ' ...
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