Patent ID: 7625334

Claim:
A method of folding a reinforcing flap of the lid of a rigid, hinged-lid packet of cigarettes wherein two reinforcing flaps ( 24 ) of the lid ( 4 ) are folded 180° with respect to a blank ( 20 ), onto a front wall ( 7 ) of the lid ( 4 ), and about two respective oblique fold lines ( 25 ), which are oppositely inclined; the method comprising the steps of: prefolding the reinforcing flaps ( 24 ) about the oblique fold lines ( 25 ) by means of a first folding device ( 80 ) having a movable folding body ( 84 ) which folds the reinforcing flaps ( 24 ) about the oblique fold lines ( 25 ); and completing folding of the reinforcing flaps ( 24 ) about the oblique fold lines ( 25 ) by means of a second folding device ( 81 ) having fixed folding rails which directly contact the reinforcing flaps ( 24 ) and fold the reinforcing flaps ( 24 ) about the oblique fold lines ( 25 ), onto the front wall ( 7 ) of the lid ( 4 ), and 180° with respect to the blank ( 20 ).