Abstract:
A method of operating a plurality of machines. Each of the machines uses a servo motor and a motor drive coupled to the servo motor, and the motor drive incorporates a regenerative braking system. The method comprises synchronising the servo motors in order to achieve overlap of the acceleration phases of some machines with the deceleration phases of other machines and providing electrical power from the regenerative braking systems of machines in a deceleration phase to machines in an acceleration phase. A controller for a machine implementing the method, and a system comprising such a controller and a plurality of machines are also disclosed.
Abstract:
A can (1), in particular for conditioning foodstuff, includes a body composed of a bottom element (2) which is prolonged by a lateral wall (3), the interior surface (9) of the body being at least in part made of tin, the tin surface (9) being partially covered with a coat of protective lacquer (10) to prevent the contact between the tin surface (9) and the foodstuff, the lacquerless tin surface, the “exposed”, being intended to come into contact with the foodstuff in order to set free the tin. The exposed tin surface is constituted of a plurality of “exposed” tin zones (11), which are separated, ones from the others, by lacquered zones (12), the exposed tin zones (11) being distributed on the height of the lateral wall (3), in particular to limit the aesthetic impact due to chemical action of the foodstuff on the exposed tin zones (11).
Abstract:
A spraying apparatus having a continuously moving conveyor belt which brings a vessel rim down to a spraying station, arrests movement of the vessel and aligns it with a vacuum gripping head, grips the vessel bottom and lifts and presents the vessel to a sprayer, rotates the vacuum gripped vessel rapidly to apply a plurality of thin layers of coating, and returns the coated vessel to the conveyor and releases the grip on the vessel so that the continuously moving conveyor can discharge the coated vessel from the spraying station.
Abstract:
A process for coating inside a container includes rotating the container about its imaginary vertical axis while simultaneously lowering airless spray nozzles along the vertical axis of the container into the cavity through the opening end and moving the nozzles back up and out of the container. Spray nozzles are used to apply a liquid coating at a spray pressure of about 100 to about 800 psi (6.89 to 55.16 bar) and at an angle of about 0 to about 120 degrees relative to the vertical axis, simultaneously with nozzle movement, to at least a portion of the inner surface while the container is rotating and the nozzles are moving along the vertical axis. The container is thereby coated on its inner surface to form an internally coated container.
Abstract:
A can (1), in particular for conditioning foodstuff, includes a body composed of a bottom element (2) which is prolonged by a lateral wall (3), the interior surface (9) of the body being at least in part made of tin, the tin surface (9) being partially covered with a coat of protective lacquer (10) to prevent the contact between the tin surface (9) and the foodstuff, the lacquerless tin surface, the “exposed”, being intended to come into contact with the foodstuff in order to set free the tin. The exposed tin surface is constituted of a plurality of “exposed” tin zones (11), which are separated, ones from the others, by lacquered zones (12), the exposed tin zones (11) being distributed on the height of the lateral wall (3), in particular to limit the aesthetic impact due to chemical action of the foodstuff on the exposed tin zones (11).
Abstract:
A holder is provided for holding a pan or other article during the process of applying a coating, such as a non-stick release coating, to the article's surface. The pan holder includes a pan holding member for holding the pan in position on the pan holder, and a pan holder chuck attached to the pan holding member. The holding member may include a bottom support piece and a plurality of pan support rods extending from the bottom support piece. At least one of the support rods is preferably movable and biased in an inward radial direction for holding the pan in position against the other support roads. The movable support rod may also include therefor for engaging a handle stud extending from a pan. The pan holder chuck includes a downward extending shaft for mounting the pan holder on a conveyor chain in a chain-on-edge spray line, and a pulley adapted to be engaged by a drive belt for rotating the pan holder while a coating material is sprayed onto an article held by the pan holder. The pan holder may be provided with a magnetizable die pattern and a magnet for applying a magnetic force to the die pattern which, in turn, is directed through a pan held in the pan holder for re-orienting reflective magnetizable metal flakes dispersed in a pan coating material to form a pattern in the shape of the die pattern in the coating. The pan holder prevents movement of a pan with respect to the die pattern to thereby prevent blurring of the re-oriented magnetizable flake pattern formed in the coating. A spacer piece may be positioned between the magnet and the die pattern to provide a diffuse magnetic field to the die pattern. The magnet may be contained in a magnet housing. The magnet housing and pan holder chuck may be formed as a sub-assembly adapted for use in combination with pan holders for holding differently sized pans.
Abstract:
A method of operating a plurality of machines. Each of the machines uses a servo motor and a motor drive coupled to the servo motor, and the motor drive incorporates a regenerative braking system. The method comprises synchronising the servo motors in order to achieve overlap of the acceleration phases of some machines with the deceleration phases of other machines and providing electrical power from the regenerative braking systems of machines in a deceleration phase to machines in an acceleration phase. A controller for a machine implementing the method, and a system comprising such a controller and a plurality of machines are also disclosed.
Abstract:
A process for coating inside a container includes rotating the container about its imaginary vertical axis while simultaneously lowering airless spray nozzles along the vertical axis of the container into the cavity through the opening end and moving the nozzles back up and out of the container. Spray nozzles are used to apply a liquid coating at a spray pressure of about 100 to about 800 psi (6.89 to 55.16 bar) and at an angle of about 0 to about 120 degrees relative to the vertical axis, simultaneously with nozzle movement, to at least a portion of the inner surface while the container is rotating and the nozzles are moving along the vertical axis. The container is thereby coated on its inner surface to form an internally coated container.
Abstract:
A steel beverage or beer can of the seamless type having a unitary body including seamless side walls and an integral bottom with an end double seamed to the top of the side walls. The bottom comprises an outer frustoconical surface extending downwardly and inwardly from the side walls, an annular bead for supporting the can, an inner frustoconical surface extending upwardly and inwardly from the annular supporting bead, and a recessed domed central panel extending inwardly and upwardly along the axis of the can from the second frustoconical surface.