B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 51/52 (2006.01)
Patent
CA 2620926
The invention relates to a method for manufacturing an enclosure of a sheet material and to an enclosure of a sheet material, which is manufactured of a sheet blank, of which the sides (4) and the base (5) of the enclosure have been folded, and the seams have been joined together. At least one corner (6) to be folded of the enclosure is cut open (7) from a part of the range in the sheet blank so that the unopened section (8) corresponds to the smallest dimension to be folded in the product series of enclosures.
La présente invention concerne un procédé de fabrication d~une enveloppe de matériau en feuille et une enveloppe de matériau en feuille, obtenue à partir d~une ébauche de papier, dont les côtés (4) et la base (5) ont été pliés et les bords réunis. Au moins un coin (6) à plier de l~enveloppe est découpé de manière à être ouvert (7) depuis une partie de la plage se trouvant dans l~ébauche de feuille pour que la section non ouverte (8) corresponde à la dimension la plus petite à plier dans la série de produits relative aux enveloppes.
Ensto Control Oy
Ensto Finland Oy
Smart & Biggar
LandOfFree
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