Patents Assigned to Dynasonic
  • Patent number: 4855010
    Abstract: Apparatus for gluing together at least two individual sheets of material cut to finished dimensions and intended to form parts of a folder consisting of a spine and two covers. The apparatus includes two reception surfaces situated side by side, each defined by aligning members for aligning the two individual sheets in predetermined positions relative to each other. There is provided a first conveyor for moving one sheet away from its reception surface to a gluing device for coating at least one sheet with a glue bead and a second conveyor for moving the second sheet away from its reception surface. At least one of the conveyors is adapted to move one sheet relative to the other so that both sheets overlap each other in the area of the glue bead. A press is provided for pressing together both sheets in said area.
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: August 8, 1989
    Assignee: Dynasonic
    Inventors: Goran Bolin, Jan Sabelstrom
  • Patent number: 4557714
    Abstract: An apparatus is provided for folding a sheet (1) into a folder provided with a spine and at least one cover. In the portion of the sheet forming the spine of the folder after folding, there is applied a bead (2) of binder for binding sheets of paper, inserted in the ready folder, to the inside of the spine. The sheet is advanced with the bead parallel to the advancing direction via a rail (14) guiding the bead to folding and back-up means implemented as rollers (15, 16, 19, 20), for folding the cover side against the inside of the spine along a line situated closely adjacent and parallel to the bead.
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: December 10, 1985
    Assignee: Dynasonic
    Inventors: Jan Sabelstrom, Sture Wiholm