The invention relates to a folding belt, which can be used, for example, in a folding machine. By means of an improved profile of the folding belt, the quality of the folding is improved and, in particular, undesired fishtailing is reduced.

A line for conveying and forming box-like bodies of different types includes at least one suction belt, closed in a loop and arranged at least in its initial portion, at least one strap, closed in a loop and provided with protruding teeth. The strap is parallel to the suction belt and is arranged at least in the end portion of the line and has the initial front juxtaposed with respect to the end portion of the suction belt. The line further includes at least one band closed in a loop and provided with protruding tabs, parallel to the at least one suction belt and to the at least one strap and is arranged along the entire line, and has a start area that is juxtaposed with respect to the at least one suction belt and an end area that is juxtaposed with respect to the at least one strap.

A line for conveying and forming box-like bodies of different types includes at least one suction belt, closed in a loop and arranged at least in its initial portion, at least one strap, closed in a loop and provided with protruding teeth. The strap is parallel to the suction belt and is arranged at least in the end portion of the line and has the initial front juxtaposed with respect to the end portion of the suction belt. The line further includes at least one band closed in a loop and provided with protruding tabs, parallel to the at least one suction belt and to the at least one strap and is arranged along the entire line, and has a start area that is juxtaposed with respect to the at least one suction belt and an end area that is juxtaposed with respect to the at least one strap.

An arrangement for cutting paper board sheets. The arrangement includes a first wheel and a second wheel. The first wheel is arranged to rotate around a first axis. The first wheel includes a knife and an element formed as a circular arc with substantially the same radius as the peripheral surface of the first wheel and a corresponding recess formed in the first wheel peripheral surface. The element is pivotally arranged around an axis substantially parallel to the first axis in the recess and the knife is extending from the element such that the position of the knife in relation to the first wheel is adjusted by pivoting the peripheral element by adjustment structure arranged to secure the peripheral element in the desired position. Also, a machine can include the arrangement.

An arrangement for cutting paper board sheets. The arrangement includes a first wheel and a second wheel. The first wheel is arranged to rotate around a first axis. The first wheel includes a knife and an element formed as a circular arc with substantially the same radius as the peripheral surface of the first wheel and a corresponding recess formed in the first wheel peripheral surface. The element is pivotally arranged around an axis substantially parallel to the first axis in the recess and the knife is extending from the element such that the position of the knife in relation to the first wheel is adjusted by pivoting the peripheral element by adjustment structure arranged to secure the peripheral element in the desired position. Also, a machine can include the arrangement.

Folding apparatus (1) for folding sheet packaging elements (2), comprising main conveying means (12), configured to sequentially receive the packaging elements (2) from a feeding station (13) and to advance each packaging element (2) along a first path (A), forming means (15), carried by the main conveying means (12) and configured to cooperate in use with a first face (2b) of each packaging element (2) while the packaging element (2) is advanced along the first path (A), and folding means (18), advanced by auxiliary conveying means (16) along a second path (Q), having a first portion (Q1) distinct from the first path (A) and a second portion (Q2), which is in common with the first path (A) and along which the folding means (18) cooperate with a second face (2a), opposite the first face (2b), of each packaging element (2) to fold the packaging element (2) against the forming means (15).

Folding apparatus (1) for folding sheet packaging elements (2), comprising main conveying means (12), configured to sequentially receive the packaging elements (2) from a feeding station (13) and to advance each packaging element (2) along a first path (A), forming means (15), carried by the main conveying means (12) and configured to cooperate in use with a first face (2b) of each packaging element (2) while the packaging element (2) is advanced along the first path (A), and folding means (18), advanced by auxiliary conveying means (16) along a second path (Q), having a first portion (Q1) distinct from the first path (A) and a second portion (Q2), which is in common with the first path (A) and along which the folding means (18) cooperate with a second face (2a), opposite the first face (2b), of each packaging element (2) to fold the packaging element (2) against the forming means (15).

The invention relates to a receptacle (10), in particular a flexible bag (10) made of paper, with a front part (20), a back part (30) and a bottom (50), which is closed by a bottom unit, and with an opening (1) lying opposite the bottom (50), wherein the bottom unit has a bottom portion (120) of the front part (20) and a bottom portion (130) of the back part (30), the bottom portion (130) of the back part (30) is shorter than the bottom portion (120) of the front part (20), such that the bottom portion (120) of the front part (20) is secured directly on the back part (30) by turning the bottom unit (100) back along a fold line (101), and the opening (1) is formed by a peripheral edge (2) which extends at a height of the front part (20) and of the back part (30) and which is at least partially frayed, thereby reducing the danger of injury at the edge (2).

The invention relates to a receptacle (10), in particular a flexible bag (10) made of paper, with a front part (20), a back part (30) and a bottom (50), which is closed by a bottom unit, and with an opening (1) lying opposite the bottom (50), wherein the bottom unit has a bottom portion (120) of the front part (20) and a bottom portion (130) of the back part (30), the bottom portion (130) of the back part (30) is shorter than the bottom portion (120) of the front part (20), such that the bottom portion (120) of the front part (20) is secured directly on the back part (30) by turning the bottom unit (100) back along a fold line (101), and the opening (1) is formed by a peripheral edge (2) which extends at a height of the front part (20) and of the back part (30) and which is at least partially frayed, thereby reducing the danger of injury at the edge (2).

A packing unit and method for folding a blank on a packing machine; the packing unit having: a packing conveyor having at least one pocket for receiving the blank; and a feed device for inserting the blank into the pocket on the packing conveyor; the packing conveyor has at least a first conveyor belt defining a bottom wall, of the pocket; at least a second conveyor belt separate from, parallel to, and alongside the first conveyor belt, and defining the bottom wall of the pocket together with the first conveyor belt; a first retaining member, which projects perpendicularly from the first conveyor belt and defines a front wall of the pocket; and a second retaining member, which projects perpendicularly from the second conveyor belt and defines a rear wall of the pocket.