Abstract: An assembly for folding polymeric film for machines for forming pouches and the like includes a fixed frame for supporting a magazine for the polymeric film, an element for folding the film that arrives from the magazine, and at least one heat-sealing device for the stable coupling of juxtaposed portions of the folded film that arrives from the folding element. The folding element is mounted on a carriage, which can translate along a respective guide which is integral with the frame, along the sliding direction of the film, with a speed that is variable in intensity and sign. The at least one heat-sealing device acts on portions folded onto themselves of the film during a temporary stop thereof. The carriage retracts with respect to the sliding direction of the film for the entire duration of the temporary stop step provided for the heat-sealing of the film.

Abstract: A thermal bonding assembly for sheets made of polymeric material includes at least one pair of jaws that can be moved mutually closer, at least one of which is provided with a heater at its surface for abutment against a corresponding complementary surface of the other jaw of the pair. The assembly includes a shaft that can rotate by virtue of the action of a respective motor. The rotatable shaft includes at least two eccentric rings which are arranged side by side so that the eccentric portion that protrudes the most with respect to the rotation axis is substantially mutually opposite. Each jaw of the pair includes a respective through hole for the accommodation of the shaft. The shaft is accommodated in the hole of a respective jaw with the interposition of a rotatable disk.

Abstract: An assembly for movement according to predefined rules of motion, includes a supporting frame forming a working path that accommodates a driving element with which at least one movable element is associated which is adapted to move an item to be subjected to a process. The assembly includes, interposed between the driving element and each respective movable element, at least one movement adjustment apparatus having a contoured guide, arranged substantially parallel to the driving element, at least one first lever that has a first end that can slide within the guide, and a portion that is pivoted to at least one second lever which in turn is coupled rigidly to the driving elements. The first lever has a second end, which is opposite the one that can slide in the guide, which is articulated to a linkage, which in turn is pivoted on a portion of a respective movable element.

Abstract: A sealing assembly for packaging lines of the type having mutually opposite sealing heads between which the polymeric sheets to be mated translate, includes mutually opposite synchronously rotating carousels. At least two eccentric shafts are pivoted on each carousel, and at least one respective sealing head is pivoted on each one of the shafts at an axis. Each eccentric shaft includes a respective slider that can move along a fixed contoured profile for the movement of the respective shaft. A linkage connects corresponding levers which are substantially integral with the eccentric shafts. The levers are opposite to the point of coupling to the respective slider. Each sealing head is controlled by orientation elements which are integral with the respective carousel.

Abstract: A thermal bonding assembly for sheets made of polymeric material includes at least one pair of jaws that can be moved mutually closer, at least one of which is provided with a heater at its surface for abutment against a corresponding complementary surface of the other jaw of the pair. The assembly includes a shaft that can rotate by virtue of the action of a respective motor. The rotatable shaft includes at least two eccentric rings which are arranged side by side so that the eccentric portion that protrudes the most with respect to the rotation axis is substantially mutually opposite. Each jaw of the pair includes a respective through hole for the accommodation of the shaft. The shaft is accommodated in the hole of a respective jaw with the interposition of a rotatable disk.

Abstract: An assembly for folding polymeric film for machines for forming pouches and the like includes a fixed frame for supporting a magazine for the polymeric film, an element for folding the film that arrives from the magazine, and at least one heat-sealing device for the stable coupling of juxtaposed portions of the folded film that arrives from the folding element. The folding element is mounted on a carriage, which can translate along a respective guide which is integral with the frame, along the sliding direction of the film, with a speed that is variable in intensity and sign. The at least one heat-sealing device acts on portions folded onto themselves of the film during a temporary stop thereof. The carriage retracts with respect to the sliding direction of the film for the entire duration of the temporary stop step provided for the heat-sealing of the film.

Abstract: An assembly for movement according to predefined rules of motion, includes a supporting frame forming a working path that accommodates a driving element with which at least one movable element is associated which is adapted to move an item to be subjected to a process. The assembly includes, interposed between the driving element and each respective movable element, at least one movement adjustment apparatus having a contoured guide, arranged substantially parallel to the driving element, at least one first lever that has a first end that can slide within the guide, and a portion that is pivoted to at least one second lever which in turn is coupled rigidly to the driving elements. The first lever has a second end, which is opposite the one that can slide in the guide, which is articulated to a linkage, which in turn is pivoted on a portion of a respective movable element.

Abstract: A product wrapping machine includes a feed mechanism by which products to be wrapped are directed on entry, in ordered succession, to a take-up station, a wrapping device including a first conveyor, rotatable continuously about a respective axis, a second conveyor rotatable intermittently about a respective axis, and a transfer device by which the products are gripped in succession at the take-up station and fed to the wrapping device. The first conveyor includes a plurality of carriers, mounted rotatably on it and equipped with gripper heads. Each carrier is associated with a respective motion-inducing device designed to move the carrier in such a way as to enable the carrier to interface and interact with a respective gripper element of the second conveyor.

Abstract: Products (3) advancing in single file are divided into at least two files by a device comprising a main conveyor (10) from which the products (3) of the single file (7) pass onto a first outfeed conveyor (11) and onto a second outfeed conveyor (12) positioned with infeed ends at different heights, one above the other; the device also comprises a linking conveyor (26) between the main conveyor (10) and the outfeed conveyors (11, 12), consisting in a pair of looped belts (27, 28) presenting outer surfaces faced along a portion of predetermined length with a layer (35) of resilient material, thereby creating a channel (34) by which the main conveyor (10) is linked to the outfeed conveyor (11) positioned uppermost, and along which the products (3) are transferred cyclically to this same conveyor (11).

Abstract: A product wrapping machine comprises feed means by which products to be wrapped are directed on entry, in ordered succession, to a take-up station, a wrapping device comprising a first conveyor, rotatable continuously about a respective axis and a second conveyor rotatable intermittently about a respective axis, and a transfer device by which the products are gripped in succession at the take-up station and fed to the wrapping device. The first conveyor comprises a plurality of carriers, mounted rotatably on it and equipped with gripper heads. Each carrier is associated with a respective motion-inducing device designed to move the carrier in such a way as to enable the carrier to interface and interact with a respective gripper element of the second conveyor.

Abstract: In a machine for wrapping sticks of chewing gum, sticks of substantially rectangular outline and relatively small thickness advance singly and in succession on a conveyor, arranged flat and spaced apart at a predetermined first pitch, toward a position where they are transferred to a spacing roller revolving tangentially to the conveyor and presenting peripheral seats spaced apart at a pitch greater than the first pitch; the sticks are taken up at the transfer position by a pick-up and transfer mechanism operating between the conveyor and the seats of the spacing roller, describing a trajectory that includes a movement perpendicular to the plane occupied by the sticks and producing a minimal displacement equating approximately to the thickness of a single stick.

Abstract: Products (3) advancing in single file are divided into at least two files by a device comprising a main conveyor (10) from which the products (3) of the single file (7) pass onto a first outfeed conveyor (11) and onto a second outfeed conveyor (12) positioned with infeed ends at different heights, one above the other; the device also comprises a linking conveyor (26) between the main conveyor (10) and the outfeed conveyors (11, 12), consisting in a pair of looped belts (27, 28) presenting outer surfaces faced along a portion of predetermined length with a layer (35) of resilient material, thereby creating a channel (34) by which the main conveyor (10) is linked to the outfeed conveyor (11) positioned uppermost, and along which the products (3) are transferred cyclically to this same conveyor (11).

Abstract: A method of forming a sealed wrapping about an article, whereby a sheet of wrapping material is folded and sealed about the article to form a substantially tubular partial wrapping having two open ends, and a sealing flap projecting outwards crosswise to the partial wrapping; the sealing flap is folded onto a major lateral portion of the partial wrapping; and the open ends of the partial wrapping are then gripped and sealed.

Abstract: In a machine for wrapping sticks of chewing gum, sticks of substantially rectangular outline and relatively small thickness advance singly and in succession on a conveyor, arranged flat and spaced apart at a predetermined first pitch, toward a position where they are transferred to a spacing roller revolving tangentially to the conveyor and presenting peripheral seats spaced apart at a pitch greater than the first pitch; the sticks are taken up at the transfer position by a pick-up and transfer mechanism operating between the conveyor and the seats of the spacing roller, describing a trajectory that includes a movement perpendicular to the plane occupied by the sticks and producing a minimal displacement equating approximately to the thickness of a single stick.

Abstract: A unit for reordering sweets has a spacing disk, which rotates about a first axis, receives bulk-fed sweets, and has a number of seats, each for receiving a respective sweet, and each fed along a path; and a makeup device, which is located along the path, upstream from an extraction station for extracting the sweets, and has a detector located along the path to detect any vacant seats, and a feed device for supplying an orderly succession of sweets and located between the detector and the extraction station to feed sweets selectively into the vacant seats.