Patents Assigned to Machines Dubuit
  • Patent number: 9156281
    Abstract: A printing machine is providing including a transporter for transporting objects to be printed, a printing station including at least four printing units arranged to project ink on the objects to be printed, a transfer device for transferring an object to be printed from the transporter to the printing station and from the printing station to the transporter. The printing station includes a single mandrel corresponding to the maintenance of an object to be printed, the corresponding mandrel being rotatably movable around its axis so that the printing units project ink onto the object maintained by the corresponding mandrel, the printing station being arranged to print only the objects maintained by the corresponding mandrel.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: October 13, 2015
    Assignee: Machines Dubuit
    Inventors: Jean-Louis Dubuit, Francois Dumenil, Fabien Gavet
  • Patent number: 8997647
    Abstract: Device for silk screen printing on an object, comprising a screen holder module for holding a screen; and a squeegee holder module for holding a squeegee for scraping over the screen along a direction of scraping. The squeegee holder module comprises a support mounted on the chassis, and a removable squeegee holder attached to the support, the support having a receiving surface for receiving the squeegee holder, and the squeegee holder having a fastening plate for fastening the squeegee holder on the receiving surface with a scraping direction extending along a direction of printing (Ox), and an alternative fastening plate for fastening the squeegee holder in an alternative printing position with a scraping direction extending along an alternative direction of printing (Oy).
    Type: Grant
    Filed: October 8, 2013
    Date of Patent: April 7, 2015
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 8764183
    Abstract: A device for holding and carrying along a substrate to be printed on, for a printing machine, comprising: a conveyor (3) comprising an endless belt (8) formed by hollow box structures (9) extending transversely and having a flat outer face and comprising means for driving the belt and means (19a) for guiding the box structures. The flat outer faces (17) of the box structures circulate over a flat, longitudinal path (20) forming an upper flat surface (54) for holding the substrate to be printed on, the box structures having a plurality of external orifices in their outer face and at least one internal passage in their inner face opposite their outer face. A suction device (6) is able to engage with the internal passages in the box structures circulating over a longitudinal suction region (70) corresponding to at least a part of said flat, longitudinal path (20), so as to produce suction through said external orifices in the box structures circulating over said longitudinal suction region.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: July 1, 2014
    Assignee: Machines Dubuit
    Inventor: Eugène Schaeffer
  • Patent number: 8763524
    Abstract: A printing machine includes: a frame a tower which is driven in rotation relative to the frame in order to move an object to be printed between at least a printing station, an introduction station and/or discharge station; a conveyor which is capable of introducing or discharging the object to be printed to/from the introduction station and/or discharge station; a transfer device including a conveyor web portion which is capable of moving the object to be printed between the conveyor and the tower. The machine includes an element for driving the conveyor web portion of the transfer device, the drive element being carried by the frame, each transfer device including a transmission element which can be disengaged from the drive element.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: July 1, 2014
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 8474376
    Abstract: A device for printing via screen printing an object which has a conical portion, the device includes a frame, a screen which can be moved relative to the frame, elements for rotatably driving the screen about a rotation axis, including a single motor, first members for moving the motor, the first members, extending in a first direction, second members for moving the motor, the second members extending in a second direction perpendicular relative to the first direction, the first members carrying the second members.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: July 2, 2013
    Assignee: Machines Dubuit
    Inventor: Frànçois Dumenil
  • Patent number: 8393268
    Abstract: A doctor blade support (2) for a machine for printing paste by silk screen printing, includes: a doctor blade (6) of substantially square cross-section which is to come into contact with the meshes of a silk screen printing screen in order to apply the paste to an element to be printed; a first (12) and a second (14) clamping jaws suitable for clamping the doctor blade (6); at least two elements (20) for tightening the first clamping jaw (12) towards the second clamping jaw (14) in order to clamp or withdraw the doctor blade (6); characterized in that each tightening element (20) includes a resilient element (40) applying a force between the two clamping jaws (12, 14) in order to move them towards each other, and elements for regulating the deformation of the resilient element (40).
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: March 12, 2013
    Assignee: Machines Dubuit
    Inventors: Jean-Louis Dubuit, Jose Albert Pontes, Daniel Troncon
  • Publication number: 20120098914
    Abstract: The printing machine (1) according to the invention includes: a transporter (4) for transporting objects (6) to be printed, a printing station (16) including at least four printing units (20, 22, 24, 26) arranged to project ink on the objects (6) to be printed, a transfer device (42) for transferring an object (6) to be printed from the transporter (4) to the printing station (16) and from the printing station (16) to the transporter (4). The printing station (16) includes a single mandrel (28) corresponding to the maintenance of an object (6) to be printed, the corresponding mandrel (28) being rotatably movable around its axis (A-A) so that the printing units (20, 22, 24, 26) project ink onto the object (6) maintained by the corresponding mandrel (28), the printing station (16) being arranged to print only the objects (6) maintained by the corresponding mandrel (28).
    Type: Application
    Filed: October 24, 2011
    Publication date: April 26, 2012
    Applicant: Machines Dubuit
    Inventors: Jean-Louis DUBUIT, Francois Dumenil, Fabien Gavet
  • Patent number: 8070244
    Abstract: The invention relates to a printing machine comprising a support plate (42) and a printer unit (44) fastened to the support plate (42) to project ink onto articles for printing. The printer station includes at least one additional printer unit (46, 48, 50), and the printer units (44, 46, 48, 50) are arranged beside one another on a circle centered on the axis of rotation (B-B) of a mandrel (8), when the mandrel (8) is placed in its printing position. The invention also provides a method of printing.
    Type: Grant
    Filed: November 2, 2007
    Date of Patent: December 6, 2011
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 7997192
    Abstract: A printing machine includes a conveyor for at least one item to be printed, a print station and a transfer device including at least one bucket for conveying the item and an element for driving the conveyor bucket, which element is capable of displacing the conveyor bucket between a position for taking up or depositing the item on the conveyor and a position for taking up or depositing the item at the print station. The transfer device further includes an element for adjusting the path of displacement of the conveyor bucket, which element is capable of controlling the drive element in order to displace the position for taking up or depositing the item at the print station without displacing the position for taking up or depositing the item on the conveyor.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: August 16, 2011
    Assignee: Machines Dubuit
    Inventors: Maurice Billet, Gérard Platel, Vincent Baillon, Fabien Gavet
  • Patent number: 7766155
    Abstract: The invention relates to a transfer device (15) for transferring an article (9) in a printing machine (2), the device comprising a hinged manipulator arm (20), a hinged gripper clamp (22), and drive means adapted to drive both the manipulator arm (20) and the gripper clamp (22) together in rotation. The drive means include synchronization means adapted to inhibit the rotary movement of the gripper clamp (22) relative to the rotary movement of the manipulator arm (20), temporarily as a function of the position of the manipulator arm (20). The invention also provides a printing machine (2) including such a transfer device (15), and to an associated method.
    Type: Grant
    Filed: October 12, 2006
    Date of Patent: August 3, 2010
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 7669528
    Abstract: A silkscreen printer machine (8) includes: a support structure (48); and at least one printing station (54) secured to the structure (48) and including at least one screen support (68) presenting a reception area adapted to receive a screen texture (70) having a pattern for printing placed thereon. The screen support (68) is carried by at least three support elements (78) secured to the structure (48), the support elements (78) not being in alignment and being positioned on either side of the reception area (69). The invention also provides associated printer apparatus.
    Type: Grant
    Filed: June 6, 2006
    Date of Patent: March 2, 2010
    Assignee: Machines Dubuit
    Inventors: Jean-Louis Dubuit, François Dumenil
  • Patent number: 7631597
    Abstract: The screen printer machine includes: a base assembly; at least one print station having a support suitable for receiving a silk screen; and elements for moving the support relative to the base assembly. The elements for moving the support include: three coupling assemblies each provided with a moving member that is movable relative to the base assembly, sliding-connection elements for the moving member, and elements for moving the moving member; and members for controlling the drive elements for moving the three assemblies independently. The moving member of each coupling assembly is connected to the support by the sliding-connection elements along a direction that is fixed relative to the support.
    Type: Grant
    Filed: April 10, 2007
    Date of Patent: December 15, 2009
    Assignee: Machines Dubuit
    Inventor: Francois Dumenil
  • Patent number: 7261033
    Abstract: A printing machine includes a support stand, a plate rotational with respect to the stand about an axis of rotation, elements for driving the plate in rotation, at least two mandrels for holding two articles to be printed in succession, the mandrels being carried by the plate, elements for driving the mandrels in rotation about axes of rotation parallel to the axis of rotation of the plate, and a plurality of workstations distributed around the rotational plate. The machine includes elements for the displacement of each mandrel in a plane parallel to the plane of the plate, in order to modify the spacing between the axis of rotation of the mandrel and the axis of rotation of the plate. The elements for the displacement of the mandrels are designed to synchronize the displacement of each mandrel with the rotation of the plate.
    Type: Grant
    Filed: September 15, 2004
    Date of Patent: August 28, 2007
    Assignee: Machines Dubuit
    Inventors: Jean-Louis Dubuit, Francois Dumenil
  • Patent number: 7163267
    Abstract: The invention relates to a printer machine for printing on articles, the machine comprising a plurality of article-carriers (16) each including a portion fitted with at least one shaft (218) for carrying at least one article, the article-carriers being suitable for moving in indexed manner along at least one plane path, the printer machine having a plurality of print stations where the articles receive printing, which stations are interposed with dryer stations for articles that have received printing, the machine being characterized in that the shaft for carrying said at least one article in each article-carrier is also suitable for moving transversely to its axis in the vicinity of the print stations which are offset from the travel plane of the article-carriers, so as to move away from said plane, thereby bringing the article into position for receiving printing inside a slot (180), said slot being formed in a protective screen (166) which protects the corresponding print station from radiation coming from
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: January 16, 2007
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 7121198
    Abstract: The screen-printing machine (10) comprises: a print station (12); at least one support surface (40A, 40B) for supporting the objects away from the print station (12); and at least one transfer device (18, 20) for transferring an object, which transfer device comprises a manipulator arm (54) equipped with an end clamp (56), the arm (54) being hinged relative to the support surface (40A, 40B) about a pivot axis (Z1-Z1) and the clamp (56) being hinged relative to the arm (54) about a tilt axis. The pivot axis (Z1-Z1) of the arm (54) defines with the normal to the support surface (40A, 40B) a non-zero angle of inclination that is less than 45°. Application to printing flasks.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: October 17, 2006
    Assignee: Machines Dubuit
    Inventor: Francois Dumenil
  • Patent number: 6948425
    Abstract: A printer machine for printing on articles, includes a plurality of article-carriers suitable for moving in indexed manner in a plane around a circular path. Each article-carrier is stationary in an indexed position and mobile between the indexed positions, and a plurality of print stations distributed around the path in register with indexed positions of the article-carriers. Each article-carrier is fitted with an inlet shaft turnable about its own axis by drive elements, and with at least one outlet shaft for carrying an article and adapted to turn when the inlet shaft is turned. The inlet shaft of each article-carrier is adapted to turn in register with an indexed position, and to conserve the same angular orientation between print stations.
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: September 27, 2005
    Assignee: Machines Dubuit
    Inventor: François Dumenil
  • Patent number: 6845711
    Abstract: A system for transferring supports for objects which can be stacked and unstacked between a conveyor and a machine for printing the objects, characterized in that it includes: a mobile transfer table which has two locations each adapted to receive an object support and which is adapted to occupy a plurality of positions, first drive elements adapted to drive the transfer table vertically up and down, and second drive elements adapted to advance or withdraw the transfer table horizontally and simultaneously to transfer a support containing objects and an empty support or to withdraw the empty transfer table to a position awaiting a new support.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: January 25, 2005
    Assignee: Les Machines Dubuit
    Inventors: Gérard Platel, Henri Peltier, Maurice Billet, André Monnin, Thierry Couval, Christophe Nayrac
  • Patent number: 6568895
    Abstract: A feeder system for feeding objects to object-carriers of a machine for processing the objects, in particular a printing machine, includes a reciprocating finger for pushing each object directly towards an object-carrier to place the object on the object-carrier; the finger being carried by a reciprocating carriage slidably mounted on a chassis and rotatably mounted on the carriage so that it can occupy at least an operational position in which it can push an object when it is moved and a retracted position in which it can avoid an object when it is moved.
    Type: Grant
    Filed: March 8, 2001
    Date of Patent: May 27, 2003
    Assignee: Les Machines Dubuit
    Inventors: François Dumenil, Gilles Marette
  • Patent number: 6546859
    Abstract: A printing machine including a plate adapted to rotate about its axis and carrying at its periphery a plurality of object supports having a top face which receives an object to be printed and workstations distributed circumferentially around the plate in line with the trajectory of the object supports, some of which are printing stations and others of which are treatment stations. At least one of the object supports includes a lifting system which raises the object relative to the top face of the object support. The lifting system is connected to a suction head which preserves the projecting position of the object corresponding to that it initially occupied on the object support. The lifting system preferably includes at least two tubes which slide through holes through the object support and the plate.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: April 15, 2003
    Assignee: Societe d'Exploitation des Machines Dubuit
    Inventors: Daniel Troncon, Fabrice Pottier
  • Patent number: 6510787
    Abstract: A printing machine includes a circular contour printing table which has a plurality of object-stations regularly distributed around its periphery each adapted to receive an object to be printed and which, rotatable stepwise about an axis, moves the object-stations successively to a loading station, to a plurality of workstations each including a printing system, and to an offloading station. A system for turning over the objects includes a first transfer arm which picks up an object on the printing table and puts it down on an overturning shovel, turns it over and puts it down at a receiving station. A second transfer arm picks up the turned-over object at the receiving station and puts it back down on the printing table.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: January 28, 2003
    Assignee: Les Machines Dubuit
    Inventor: Jean-Pierre Douville