Combination packaging container and method of producing it

Combination packaging container (2, 2′) comprising a beaker-shaped inner container (3) with a container jacket (17), a base (18) and a flange (20) projecting out from the container jacket (17) in the region of its open end (19), a sleeve-shaped outer part (4) surrounding the inner container (3) at its container jacket (17) with end regions (11, 12) spaced apart from one another in the direction of a longitudinal axis (9), as well as co-operating supporting means (22, 23) to enable several combination packaging containers (2, 2′) of the same type to be stacked one inside the other, and the inner container (3), in particular its container jacket (17), is molded lying against an internal face (10) of the sleeve-shaped outer part (4), and the sleeve-shaped outer part (4) is of a single-layered design between its end regions (11, 12) spaced apart from one another in the direction of the longitudinal axis (9) and has a preferably circumferentially extending fold (36) at the internal face (10) of the outer part (4) in only one portion facing the base (18), and an end face (28) of the outer part (4) facing the flange (20) is disposed immediately adjacent to a bottom face (27) of the flange (20) facing the base (18) of the inner container (3) or lies against it, wherein a supporting region (38) projecting in the direction towards the longitudinal axis (9) is provided at a terminal end (37) of the fold (36) in the container jacket (17) facing away from the base (18), which constitutes a first one of the supporting means (22, 23), and the outer part (4) has a pinched region (30) between its two end regions (11, 12) projecting in the direction towards the longitudinal axis (9), and it is disposed in the region of the terminal end (37) of the fold (36) and forms a first and another wall portion (24, 34) respectively between the pinched region (30) and the two end regions (11, 12).

Method of producing a combination packaging container (2, 2′), whereby a sleeve-shaped outer part (4) is placed in a deep-drawing mold (1) before deep drawing a beaker-shaped inner container (3), in particular from a sheet (5) of a plastic material, after which the beaker-shaped inner container (3) with a container jacket (17), a base (18) and a flange (20) projecting out from the container jacket (17) in the region of its open end (19) is molded by a deep drawing process, during which the inner container (3), in particular its container jacket (17), is applied to an internal face (10) of the sleeve-shaped outer part (4) to form the combination packaging container (2, 2′), and co-operating supporting means (22, 23) to enable several combination packaging containers (2, 2′) of the same type to be stacked are formed on the combination packaging container (2, 2′), and an end face (28) of the outer part (4) facing the flange (20) is disposed immediately adjacent to a bottom face (27) of the flange (20) facing the base (18) of the inner container (3) or is applied against it, wherein the sleeve-shaped outer part (4) is placed in the deep-drawing mold (1) as a component extending in a straight line between its end regions (11, 12) spaced apart from one another in the direction of a longitudinal axis (9), and it is applied against the sleeve-shaped outer part (4) as the inner container (3) is molded, and these two are forced against a mold wall (7) of the deep-drawing mold (1), and a pinched region (30) projecting in the radial direction towards the longitudinal axis (9) is formed in the container jacket (17) in a base region (13) of the container jacket (17) and of the sleeve-shaped outer part (4) and constitutes the first supporting means (22, 23), and a first and another wall portion (24, 34) are formed respectively between the pinched region (30) and the two end regions (11, 12).