Abstract: A machine for joining separate products, such as biscuits or chocolates, into a sandwich comprises a drum having a series of pairs of sleeves with open inlet and outlet ends, the cross-section of the sleeves corresponding to the cross-section of the products, and one sleeve of each pair being fixed to the drum and the other sleeve of each pair being hinged to the fixed sleeve and movable between a position in which it bears against the drum and a folded position in which it bears against and is radially outwardly of the fixed sleeve. The drum is rotated so as to present to products brought in succession by a conveyor the inlet opening of a fixed sleeve and then the inlet opening of a hinged sleeve in the unfolded condition. The hinged sleeve is then rotated to its folded position and the products ejected from the adjacent sleeves of a pair in a sandwich to another conveyor.