A method and a machine for realizing a blank from a cardboard for packaging to be used for boxing an article

Abstract

A method for realizing a blank (1) from a cardboard (2) for packaging to box an article (41), comprising following steps: infeeding a cardboard (2) for packaging; detecting and memorising the dimensions of the upper face (41a), of the bottom (41b) and of the lateral faces (41c) of an article (41) to be boxed using the blank (1); on the basis of the values of the detected and memorised dimensional values, making on the cardboard (2) for packaging a first longitudinal score line (3) and a second longitudinal score line (4), parallel to one another, and a first transversal score line (11) and a second transversal score line (12), parallel to one another and perpendicular to the first longitudinal score line (3) and to the second longitudinal score line (4), so as to identify: a main portion (6); a first lateral portion (7); a second lateral portion (8); a third lateral portion (13); a first reinforcing portion (14); a second reinforcing portion (15); a fourth lateral portion (16); a third reinforcing portion (17) and a fourth reinforcing portion (18); using a laser beam: a first incision (19) on the first reinforcing portion (14); a second incision (20) on the second reinforcing portion (15); a third incision (21) on the third reinforcing portion (17); a fourth incision (22) on the fourth reinforcing portion (18).

Description

technical field [0001] The present invention relates to a technical field concerned with forming blanks from packaging cardboard, for example for obtaining cartons for enclosing articles. [0002] In particular, the invention relates to a method and a machine for realizing blanks for boxed articles from packaging cardboard. Background technique [0003] Packaging paperboard is used for various purposes such as forming cartons. [0004] In this case, it is first necessary to realize the creases, also called scoring lines, which divide the packaging cardboard into many parts in order to obtain blanks. [0005] The individual parts of the blank can thus be easily folded around the fold lines to obtain cardboard boxes for packaging the items in a simple and quick manner, preventing unattractive deformation and cracking of the packaging cardboard during the folding step. [0006] Currently, a known method of realizing from packaging cardboard blanks for boxed goods comprises th...

AI Technical Summary

Problems solved by technology

[0027] This aspect constitutes a limitation, like the machine feed, that for each operating cycle all packaging cardboards of the same size must be supplied; otherwise, the implementation of the four cuts may be made in a wrong and imprecise manner, i.e. not in the requested positions (i.e., the intersection of two vertical dashes and two horizontal dashes)

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