Patent ID: 8545202

Claim:
A mould system for manufacturing a container having a bottom pressed from a cardboard blank, walls connected to the bottom and a flange-like rim that is at least partially cast of a plastic material and connected to the upper edge of the walls, encircling the walls, which comprises a movable mould half and a stationary mould half which are positioned opposite to each other, wherein the mould half which is movable relative to the stationary mould half includes at least a core plate provided with a core, a plate-like seal ring that is movable relative to the core and includes a seal surface which surrounds the core, and a collar ring that is movable relative to the core and the seal ring and is fitted therebetween, and the stationary mould half includes at least a mould plate provided with a mould cavity and a seal surface, wherein in the mould system, a plate-like insert is connected to the seal surface of the seal ring, its one edge being on a plane defined by the front edge of the seal surface; the insert including a recess, which has the shape of a projection that is cast on the basic rim and the recess is in contact with a front edge of the seal surface, so that it is in flow communication with molten plastic material flowing from the direction of the collar ring.