Patents Assigned to Sofragraf Industries
  • Patent number: 6360933
    Abstract: A stapler includes an elongate loader which receives sticks of staples with a back width in a particular range of widths and a slider attached to a rail and mobile between a first position in which it allows access to the loader and a second position in which the rail passes between the legs of a stick of staples installed in the loader to guide them towards a driver. The rail is positioned on the cover and has transverse dimensions such that it can pass freely between the legs of the staples. Cams are provided to move the rail laterally when the slider moves from its first position to its second position.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: March 26, 2002
    Assignee: Sofragraf Industries
    Inventors: Francis Richardot, Alain Dran
  • Patent number: 6142207
    Abstract: A hot melt glue applicator has an elongate chamber having a first end shaped as a hot melt glue stick entry and a second end equipped with a molten glue dispensing nozzle. The applicator includes a device for progressively moving the glue stick into the chamber, and a device for electrically heating that part of the glue stick which is in the chamber. The device for electrically heating includes at least one heating element including an electrically resistive material track which can be connected to an electrical power supply and which is formed on an electrically insulative surface of a substrate, so as to be in intimate thermal contact with a mass of glue contained in the chamber. Because of the intimate thermal contact established between the resistive track of the heating element and the mass of glue, the thermal energy emitted by the track because of the Joule effect is virtually all absorbed by the mass of glue, which considerably improves the thermal efficiency of the applicator.
    Type: Grant
    Filed: February 20, 1998
    Date of Patent: November 7, 2000
    Assignee: Sofragraf Industries
    Inventor: Francis Richardot
  • Patent number: D411421
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: June 22, 1999
    Assignee: Sofragraf Industries
    Inventor: Jean-Christophe Mayeur
  • Patent number: D415668
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: October 26, 1999
    Assignee: Sofragraf Industries
    Inventor: Fran.cedilla.ois Elie
  • Patent number: D419411
    Type: Grant
    Filed: February 23, 1999
    Date of Patent: January 25, 2000
    Assignee: Sofragraf Industries
    Inventor: Fran.cedilla.ois Elie