B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 61/08 (2006.01) B26D 1/08 (2006.01) B26D 1/26 (2006.01) B26D 5/16 (2006.01) B26D 7/26 (2006.01)
Patent
CA 2361790
A process for cutting film-like material (C) as a result of a shearing action performed by a blade (20) and a counterblade (18) provided with respective cutting edges (20a, 18a) acting in a given cutting plane. The blade (20) has a first end (30) and a second end (32), and movement of the blade (20) is controlled in a differentiated way and along paths that are substantially parallel to one another in positions corresponding to the first end (30) and the second end (32) between: - a position of divarication (Figure 3), in which the respective cutting edges (20a, 18a) define a space for advance of the film-like material (C), and in which the cutting edge (20a) of the blade (20) is located, with respect to the cutting edge (18a) of the counterblade (18), at a distance greater than the homologous distance measured at a point corresponding to the second end (32); and - a closed position (Figure 5), in which the blade (20) and the counterblade (18) are closed on one another after performing the cutting of the film-like material (C) with a movement of co-operation of the cutting edges (20a, 18a) which is performed in a gradual way starting from the second end (32) in the direction of the first end (30) of the blade (20). (Figures 3 to 5)
Cavanna S.p.a.
Macrae & Co.
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