Abstract: A sealing machine and method for sealing a preformed tray (2) with a plastic film (26), the method comprising a cooling step in which, by acting on the outside of the tray (2), heat is removed at least from the bottom wall (3) of the tray (2) while the heated plastic film (26) is applied over the tray (2) and a food product (25), and the sealing machine (1) comprising a supporting element which defines a housing (7) which has a fixed bottom surface (9) suitable for making contact, in use, with the bottom wall (3) of the tray (2), a plurality of ducts (19) which define a flow path (20) for a cooling fluid in the supporting element, and a cooling system (17) configured to cool the cooling fluid bringing it to a temperature equal to or less than 10° C., and preferably equal to or less than 6° C.

Abstract: An apparatus and method for positioning products (1) on supports (2), wherein the supports (2) are moved by means of magnetic shuttles (4) of a planar motor conveyor (3) between a plurality of operating stations, and wherein, at an unloading station (16), each product is fed with an auxiliary conveyor (35) above a gliding plane (5) of the planar motor conveyor (3), and is unloaded onto a support (2) which is supported by a magnetic shuttle (4), while the magnetic shuttle (4) moves below the auxiliary conveyor (35).

Abstract: An apparatus for application of a film (2) to a support (3), comprising: a movement path with an application station (6); a movement element (13) slidable along the movement path; a supporting element (14) coupled to and movable with the movement element (13) which defines a housing (23) for the support (3); an application device (4) in the application station (6) for applying the film (2) to the support (3) when the supporting element (14) is in the station. The application device (4) comprises a closing element (32), a contact element (33) and the supporting element (14) in the application station (6) interposed between them. When the supporting element (14) is in the application station (6), the closing element (32) and the supporting element are movable between an opening position, in which they are uncoupled and spaced apart from each other, and a closing position, in which they are coupled to apply the film (2) to the support (3).

Abstract: A suction device for retaining and/or transporting objects, comprising a main supporting body (2) and at least one operating plate (3) provided with suction holes (7) connected to and suction means, in which the operating plate (3) is removably associated with the main supporting body (2) and has a second connecting face (5) coupled to a first connecting face (4) of the main supporting body (2), and in which the device also comprises one or more magnets (13) and one or more ferromagnetic bodies (14), each ferromagnetic body (14) being magnetically coupled to one or more magnets (13) when the operating plate (3) is associated with the main supporting body (2) for keeping the operating plate (3) fastened to the main supporting body (2), each magnet (13) and the ferromagnetic body (14) magnetically coupled to it being constrained respectively one to the operating plate (3), the other to the main supporting body (2).

Abstract: An apparatus for making a container (2) which comprises an outer skeleton (6), which includes at least one first sheet (8) and one second sheet (9), and a layer of thermoplastic material (7) the apparatus (1) comprising a conveying element (15) which defines a housing (22), which is mounted on a supporting structure (11) and which is movable along a movement path (16) which extends from an infeed station (17) to an outfeed station (18), along the movement path (16) the apparatus (1) having a first feeding station (19), a second feeding station (20), and a thermoforming station (21) placed downstream of the feeding stations, the apparatus also comprising a first feeding device (23) at the first feeding station (19) and configured to insert the first sheet (8) into the housing (22), a second feeding device (24) at the second feeding station (20) and configured to insert the second sheet (9) into the housing (22), and a thermoforming device (31) at the thermoforming station (21) and configured to thermoform a th

Abstract: A paper-industry article for making an outer skeleton (3) of a container (2) which also includes an inner layer (9) of thermoplastic material and which has a bottom wall (6), a plurality of lateral walls (5) and an annular perimetric flange (4), the outer skeleton (3) extending at the perimetric flange (4), at the lateral walls (5), at the bottom wall (6), wherein the paper-industry article (1) includes a continuous annular frame (7) intended to constitute the outer skeleton (3) of the container (2) at the perimetric flange (4) of the container (2), and a plurality of wings (10) which extend starting from the continuous annular frame (7), each of the wings (10) being intended to constitute the outer skeleton (3) at one of the lateral walls (5) of the container (2), and at least one of the wings (10) also being intended to constitute the outer skeleton (3) also at the bottom wall (6) of the container (2).

Abstract: An apparatus for making containers (2) comprising a rotor (6) rotatably mounted on a supporting structure (5), a thermoforming device (7) comprising a supporting unit (11) mounted on the rotor (6) and a closing unit (12) which is stationary relative to the rotation of the rotor (6), a feeding device (8) for feeding to the supporting unit (11) a first article (13) for making a supporting skeleton (3), a positioning device (16) for positioning a sheet of thermoformable material (14) between the supporting unit (11) and the closing unit (12), and an extracting device (9) configured to extract the containers (2) from the supporting unit (11), the rotor (6) rotating in a stepping fashion to position the supporting unit (11) one after another in a loading predetermined angular position in which the feeding device (8) feeds a first article (13) to it, a thermoforming predetermined angular position in which the closing unit (12) and the supporting unit (11) are coupled for thermoforming the sheet of thermoformable ma

Abstract: A method for making a container, wherein in a positioning step a tray (2) constituted of a single sheet of material, folded and shaped with wrinkled zones (3) is positioned in a thermoforming mould (7), and wherein in a covering step a sheet of thermoplastic material (1) is thermoformed on the tray (2), the covering step being carried out while preventing the thermoforming mould (7) from making contact with the layer of thermoplastic material (9) at the wrinkled zones (3) of an annular flange (6) of the tray (2).

Abstract: An apparatus for heat-sealing a lidding film (2) to a supporting element (3), comprising a movement track (5), which extends between an infeed zone and an outfeed zone, a conveying unit (8) and a heat-sealing device (6) which is fitted along the movement track (5), the device (6) comprising a supporting unit (10) and a closing unit (11) which are movable between a home position in which they are at a distance from each other and an operating position in which they are coupled to clamp, in use, the lidding film (2) and a supporting element (3); wherein the conveying unit (8) is configured to support the supporting element (3) and to move and is associable with the movement track (5) for moving on it; the conveying unit (8) comprising one or more active portions (12) which are configured to support the supporting element (3) from below and to couple to the supporting unit (10) to define with it a clamping unit for clamping the supporting element (3) against the closing unit (11).

Abstract: A sealing machine and method for sealing a preformed tray (2) with a plastic film (26), the method comprising a cooling step in which, by acting on the outside of the tray (2), heat is removed at least from the bottom wall (3) of the tray (2) while the heated plastic film (26) is applied over the tray (2) and a food product (25), and the sealing machine (1) comprising a supporting element which defines a housing (7) which has a fixed bottom surface (9) suitable for making contact, in use, with the bottom wall (3) of the tray (2), a plurality of ducts (19) which define a flow path (20) for a cooling fluid in the supporting element, and a cooling system (17) configured to cool the cooling fluid bringing it to a temperature equal to or less than 10° C., and preferably equal to or less than 6° C.

Abstract: A paperboard article (1) for making a container (8) comprises an annular frame (2), which surrounds an internal zone (20), and a plurality of wings (3) connected to the annular frame (2). Each wing (3) comprises a first portion (31) and a second portion (32), wherein the second portion (32) is connected to the annular frame (2) and is interposed between the annular frame (2) and the first portion (31). The paperboard article (1) is configured to adopt a flat configuration and an expanded configuration. In the flat configuration, the paperboard article (1) has a substantially planar shape and the wings (3) are coplanar without overlapping each other. In the expanded configuration, the paperboard article (1) has a substantially tray-like shape, wherein the annular frame (2) forms an annular flange (71), the first portions (31) of the wings (3) form a bottom wall (72) and the second portions (32) of the wings (3) form lateral walls (73).

Abstract: A paperboard article (1) for making a container (8) comprises an annular frame (2), which surrounds an internal zone (20), and a plurality of wings (3) connected to the annular frame (2). Each wing (3) comprises a first portion (31) and a second portion (32), wherein the second portion (32) is connected to the annular frame (2) and is interposed between the annular frame (2) and the first portion (31). The paperboard article (1) is configured to adopt a flat configuration and an expanded configuration. In the flat configuration, the paperboard article (1) has a substantially planar shape and the wings (3) are to coplanar without overlapping each other. In the expanded configuration, the paperboard article (1) has a substantially tray-like shape, wherein the annular frame (2) forms an annular flange (71), the first portions (31) of the wings (3) form a bottom wall (72) and the second portions (32) of the wings (3) form lateral walls (73).

Abstract: An apparatus for thermoforming plastic containers (2) comprising at least one thermoforming device (3) suitable for thermoforming a flat sheet (4) for making a container (2) equipped with an upper flange (5) projecting outward and at least one extracting device (6) associable with the thermoforming device (3) for extracting the thermoformed container (2) from it; when the extracting device (6) is associated with the thermoforming device (3) for extracting the already thermoformed container (2), the extracting device (6) and the thermoforming device (3) define a perimetric mould (7) suitable for hot bending the annular flange (5) of the already thermoformed container (2) before it is extracted from the thermoforming device (3).

Abstract: A paper-industry article for making an outer skeleton (3) of a container (2) which also includes an inner layer (9) of thermoplastic material and which has a bottom wall (6), a plurality of lateral walls (5) and an annular perimetric flange (4), the outer skeleton (3) extending at the perimetric flange (4), at the lateral walls (5), at the bottom wall (6), wherein the paper-industry article (1) includes a continuous annular frame (7) intended to constitute the outer skeleton (3) of the container (2) at the perimetric flange (4) of the container (2), and a plurality of wings (10) which extend starting from the continuous annular frame (7), each of the wings (10) being intended to constitute the outer skeleton (3) at one of the lateral walls (5) of the container (2), and at least one of the wings (10) also being intended to constitute the outer skeleton (3) also at the bottom wall (6) of the container (2).

Abstract: A paper-industry article for making an outer skeleton (3) of a container (2) which also includes an inner layer (9) of thermoplastic material and which has a bottom wall (6), a plurality of lateral walls (5) and an annular perimetric flange (4), the outer skeleton (3) extending at the perimetric flange (4), at the lateral walls (5), at the bottom wall (6), wherein the paper-industry article (1) includes a continuous annular frame (7) intended to constitute the outer skeleton (3) of the container (2) at the perimetric flange (4) of the container (2), and a plurality of wings (10) which extend starting from the continuous annular frame (7), each of the wings (10) being intended to constitute the outer skeleton (3) at one of the lateral walls (5) of the container (2), and at least one of the wings (10) also being intended to constitute the outer skeleton (3) also at the bottom wall (6) of the container (2).

Abstract: This disclosure relates to a machine (1) for sealing containers (91) using a film (95). The machine (1) comprises a first jaw member (21), comprising a plurality of seats (20) for respective containers (91) to be sealed, and a second jaw member (22), facing towards the seats (20) of the first jaw member (21). The first jaw member (21) and the second jaw member (22) are movable one relative to the other between a first condition, in which the two jaw members (21, 22) are separated from each other by an interspace (23) suitable for receiving a film (95), and a second condition, in which the two jaw members (21, 22) are clamped together and, in use, press the film (95) against the containers (91) in the seats (20). The seats (20) are side by side one after another along a longitudinal line (200) extending between a first side (231) and a second side (232) of the interspace (23).

Abstract: A paper-industry article for making an outer skeleton (3) of a container (2) which also comprises an inner layer (9) of thermoplastic material and which has a bottom wall (6), a plurality of lateral walls (5) and an annular perimetric flange (4), the outer skeleton (3) extending at the perimetric flange (4), at the lateral walls (5), at the bottom wall (6), wherein the paper-industry article (1) comprises a continuous annular frame (7) intended to constitute the outer skeleton (3) of the container (2) at the perimetric flange (4) of the container (2), and a plurality of wings (10) which extend starting from the continuous annular frame (7), each of the wings (10) being intended to constitute the outer skeleton (3) at one of the lateral walls (5) of the container (2), and at least one of the wings (10) also being intended to constitute the outer skeleton (3) also at the bottom wall (6) of the container (2).

Abstract: An apparatus for thermoforming plastic containers comprising a thermoforming device (3) in turn comprising a shaped mould (4) and a closing element (5) movable relative to one another at least between a home position and a forming position, and an extracting device (9) for extracting the thermoformed container (2) from the shaped mould (4), the extracting device comprising at least one gripper element (68) shiftable between a pickup position and a releasing position; in which when the shaped mould (4) and the closing element (5) are in an extracting position, the gripper element (68) in the pickup position can grip a projecting edge (66) of a projecting flange (71) of the container (2) for retaining it, whilst when the gripper element (68) is in the releasing position it can release a thermoformed container (2), retained by it, onto a conveying device (69); and in which the gripper element (68) and the shaped mould (4) are also movable relative to each other, starting from the position in which the gripper el

Abstract: An apparatus for thermoforming plastic containers comprising a pickup station (24), a feeder (25) for feeding flat sheets (8) of thermoformable plastic material to the pickup station (24), at least one thermoforming device (3), and a transferring device (26) for transferring the flat sheets (8) from the pickup station (24) to the thermoforming device (3), the feeder (25) comprising at least one support (50) for a reel (51) of a web (52) of thermoformable plastic material, unwinding means (53) for unwinding the reel (51) of web (52) which are designed, in use, to feed the web (52) along a sliding path extending from the at least one support (50) to the pickup station (24), and a cutting device (54) for cutting the web (52), positioned along the sliding path, for dividing the web (52) into a plurality of pieces each of which corresponds to a flat sheet (8) to be fed to the pickup station (24).