Folding unit for pourable food product packaging machines

摘要

There is described a folding unit (1) for producing packages (2) of pourable food products from sealed packs (3) having each a main portion (7) and opposite end portions (8,9) of said main portion (7); each end portion (8,9) comprises a fin (17,18) and the main portion has a pair of flaps (19,20) projecting laterally; unit (1) comprises: - a first movable conveying member (35) which feeds the pack (3) along a forming path (B); and folding means (24) which interact with each said pack (3) along forming path (B) to fold relative first end fin (18) onto said end portion (8) and comprise: a first member (36) movable along forming path (B) together with said conveying member (35) and defining a slot (40) receiving the end fin (18); and a second member (72) movable relative to first member (36) between a first folding position in which it engages slot (40) and a second position in which it leaves free slot (40).