Patents Assigned to Permaflex, S.p.A.
  • Patent number: 4905615
    Abstract: The tape-like facing band is fitted annularly around the carcass (M) and the front surface of the casing is supported on said carcass, which is received in a containing structure (3) with a boundary edge (3B) from which the carcass and the facing band partially project; a guide rail (7,9) extends around said edge for a supporting carriage (20) which has orientable rollers (24) for passing over the curves at the corners and is motorized; a further trolley (42) is movable on said rails and connected to said supporting carriage by an articulation (40); a cutter (18) is capable of acting in a position in front of that of the stitcher.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: March 6, 1990
    Assignee: Permaflex S.p.A.
    Inventor: Vittorio Pofferi
  • Patent number: 4821656
    Abstract: With the carcass of a mattress or with the aid of a template and the use of beaders, the cover or sheath is formed with transit and dwelles; on at least a loading bench; in at least a first beader, in order to bead a perimetral valance to a sheath bottom; in at least an overturning device; in at least a second beader; on at least a bench for the unloading and possible withdrawal of template.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: April 18, 1989
    Assignee: Permaflex, S.p.A.
    Inventors: GianMaria Dordi, Gianfranco Fiorini
  • Patent number: 4794873
    Abstract: The guide apparatus comprises: a fixed structure with perimetrical tracks for a beading machine; a frame for a template for the assembly of the cover components; orthogonally extending guide means for the displacement of said frame in its plane with a limited inclination with respect to said tracks. Thrust means can be activated and deactivated according to the position reached by the beading machine along the tracks, in order to move, in a predetermined fashion, the template close to particular zones of the track means are provided to secure the frame to the structure in alignment with to the curved trajectories of the beading machine, and to release the frame to set free the movements thereof during the beading of the same curves.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: January 3, 1989
    Assignee: Permaflex, S.p.A.
    Inventors: GianMaria Dordi, Gianfranco Fiorini