PACKAGE FORMING APPARATUS FOR A PACKAGING MACHINE AND PACKAGING MACHINE FOR FORMING PACKAGES FILLED WITH A POURABLE PRODUCT

There is described a package forming apparatus (10) for a packaging machine (1) comprising an operative device (25) having a first operative group (26) and a second operative group (27). Each first operative group (26) and each second operative group (27) comprises a respective half-shell (28) and a control device (29). Each half-shell (28) comprises a main forming plate (30) and two lateral forming plates (31). Each main forming plate (30) is angularly movable about a first rotation axis (B) and between a first angular position and a second angular position and each lateral forming plate (31) is angularly movable about a second rotation axis (C) and between a third angular position and a fourth angular position. Each control device (29) is configured to actuate the angular movement of the respective main forming plate (30) from the first angular position to the second angular position and the angular movement of the respective lateral forming plates (31) from the respective third angular positions to the respective fourth angular positions asynchronously.