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    • 3. 发明申请
    • DEVICE FOR CLAMPING A ROLL OF PAPER IN A CUTTING MACHINE
    • US20220347880A1
    • 2022-11-03
    • US17731429
    • 2022-04-28
    • UNICO ENGINEERING S.R.L.
    • Lorenzo LUPI
    • B26D3/16B26D7/02
    • Device for locking two adjacent sections (1, 2) of a roll of paper (3) placed on the sides of a cutting section plane (4) defined by the movement of a cutting blade (5) of a cutting-off machine (M), comprising a pair of clamping devices (6, 7) configured to be able to assume an unlocking configuration with a locking configuration of respective sections (1, 2) of the roll (3); at least a first actuator (8) which can be operated on command to pass said clamping devices from the unlocking configuration to the locking configuration of the respective sections (1, 2), and vice versa; at least a second actuator (10) connected to the clamping devices (6, 7) and configured to perform a movement of reciprocal distancing of the clamping devices in a locking configuration with respect to said cutting section plane (4); means of inhibition (11) of the reciprocal moving away of the clamping devices active during the cutting advancement of the blade (5) through the roll (3); and activation means (12) of the second actuator (10) of the clamping devices (6, 7) configured to activate the reciprocal removal of the clamping devices immediately after the end of the roll cutting phase (3) performed by the blade (5).
    • 4. 发明申请
    • CUTTING DEVICE FOR CUTTING NARROW STRIPS FROM A STRIP OF MATERIAL, IN PARTICULAR A RUBBERIZED STRIP OF MATERIAL
    • US20220324132A1
    • 2022-10-13
    • US17707111
    • 2022-03-29
    • Karl Eugen Fischer Gesellschaft mit beschrankter Haftung
    • Stefan LINDNERMichael SCHMIDTManuel SCHMITT
    • B26D7/02B26D3/00B26D1/04B26D7/32
    • A cutting device for cutting narrow strips from a material web in or on which magnetically couplable elements are embedded or arranged at defined spacings behind one another in the web longitudinal direction, including a blade table arranged on a device frame, and on which the material web to be cut can be positioned, a cutting apparatus including a cutting blade which can be moved out of a starting position into a cutting position relative to the blade table, and a gripping device which receives and transports a cut strip and can be moved relative to the blade table. Either the gripping device including a hold-down section placeable for cutting purposes onto the material web positioned on the blade table and fixes the material web during the cutting on the blade table, and a magnetic element which interacts magnetically with the magnetically couplable element of the cut strip for fixing the strip on the gripping device for transport into a dispensing position, and the hold-down section including a recess, through which the cutting blade can be moved to the blade table into the cutting position, or the gripping device including a hold-down section placeable for cutting purposes onto the material web which is positioned on the blade table and fixes the material web during the cutting on the blade table, and a magnetic element which interacts magnetically with the magnetically couplable element of the cut strip for fixing the strip on the gripping device for transport into a dispensing position, and at least one further hold-down element being provided which can be placed onto the material web for cutting purposes spaced apart from the hold-down section with the configuration of a clearance, it being possible for the cutting blade to be moved through the clearance to the blade table into the cutting position.