B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
B05C 1/12 (2006.01)
Patent
CA 2541254
An improved adhesive-spreading unit, in particular for bonding machines, of the type comprising a set of rollers (12, 18, 20), each of which rotates at a higher speed than the preceding one, the first roller (12) being in contact with a tank (16) of adhesive and the last roller (20) sliding in contact with a film (21) on which said adhesive is to be deposited, which said unit also comprises devices (23, 24, 30, 31) designed to distance said rollers from one another and bring them into contact when the film has been loaded into the machine, and that includes a single actuator unit (23, 24) for the movement of said rollers. Said actuator (23, 24), during the first stage of its travel, brings a rubber- clad roller (18) into contact with the first roller (12) that takes up adhesive from a tank, and during the second part of its travel moves said two rollers (12, 18) to bring the rubber-covered roller into contact with a third roller (20), which transfers the adhesive to the film and vice versa. The result is a more compact unit which eliminates the need for two motors, as is the case with known units, because all the movements of the various parts are driven by a common actuator.
Nordmeccanica S.p.a.
Robic
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