Patent ID: 9090366
Filing Date: 2015-07-28
Classification: B65B

Abstract:
1. A device for winding an envelope (A) around a product (B), said product (B) being a group of articles shaped as cigarettes, said envelope (A) being shaped as a small plane sheet, the device comprising: winding means for winding ( 10 ) said envelope (A) around said product (B); supplying means ( 20 ) configured to supply said product (B) and said envelope (A), together, to said winding means ( 10 ), said supplying means ( 20 ) having seats ( 201 ) for supporting the product (B) or the envelope (A) and supporting means ( 202 ) for supporting and advancing said seats ( 201 ); and envelope supplying means ( 11 ) for supplying the envelope (A), said envelope supplying means ( 11 ) configured to: (i) arrange said envelope (A) on the corresponding supplying means ( (ii) bend the envelope (A) around the product (B), or the respective supporting seat ( (iii) move said envelope (A) perpendicularly to an advancement plane defined by the supplying means ( wherein said winding means ( 10 ) comprise advancing means ( 101 , 102 ) for advancing said product (B) and said envelope (A) and bending means for bending said envelope (A) around said product (B), said advancing means comprising means ( 101 ) for resting said product (B) and said envelope (A) and engaging and pushing means ( 102 ) for engaging and moving said product (B) and said envelope (A), said means for resting said product (B) and said envelope (A) comprising a resting plane ( 101 a ) for the product (B) that extends linearly, and said bending means configured to bend corresponding edges of the envelope (A) around the product (B) comprise means ( 108 , 109 ) configured to bend a corresponding edge (A 6 ″) of a second transverse wall (A 3 ) of the envelope longitudinally projecting over a head face (B 6 ) of the product, on the head face (B 6 ) of the product, said means ( 108 , 109 ) being made as an abutment surface cooperating on a top side with means ( 109 ) for lifting product and envelope.