B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 51/26 (2006.01) B29C 65/74 (2006.01) B65B 51/14 (2006.01)
Patent
CA 2102763
An apparatus for longitudinal welding with fast and reliable scrap removal, suitable for being coupled with a product conveyor for conveying products to be packaged inside a plastic material sheet comprising a saddle (16), capable of being reciprocated in longitudinal direction, above which a longitudinal welding unit (15) is provided, which is constituted by at least one welder bar (23) and one counter-welder bar (20), wherein at least one of the latter elements (23, 20) can be either downwards or upwards shifted in order to interact with the other of said elements (20, 23) and generate a longitudinal side seam (40) on the product (38) partially wrapped inside the plastic material, in which beside the welder bar (23) and the counter-welder bar (20) a pressing element (27) and a counte-pressing element (29) are longitudinally installed facing outwards, which clamp a longitudinal portion of the packaging plastic material, with at least one of said pressing and counter-pressing elements (27, 29) being suitable for being laterally turned over by means of an actuator means (34), and at least one of said elements (27, 29) being provided with a drive roller (27) for a plastic material trimmed scrap (41).
Ballestrazzi Aris
Tassi Lamberto
Ballestrazzi Aris
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Sitma S.p.a.
Tassi Lamberto
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