Patent ID: 8545203
Filing Date: 2013-10-01
Classification: B29C,B31B,B65D

Abstract:
1. A mould system for manufacturing a container pressed from a cardboard blank and containing walls connected to a bottom portion and a rim that is at least partially cast of a plastic material and connected to and encircling the upper edge of said walls, which comprises: a movable mould half and a stationary mould half which are positioned opposite to each other, said movable mould half being movable relative to the stationary mould half, wherein the movable mould half includes at least a core plate provided with a core, a plate-like seal ring, which is movable relative to the core, a seal surface which surrounds the core, and a collar ring which is movable relative to the core and to the seal ring and disposed therebetween, and the stationary mould half which includes at least a mould plate, which is provided with a mould cavity and a seal surface, wherein the mould system includes a raised collar which is detachably connected to the top of a basic collar of the collar ring of the movable mould half, wherein a seal surface of the raised collar contains grooves or recesses which are disposed lower than the plane of the seal surface, and the grooves or recesses are used to provide, on the plastic rim of the container, ridges or bulges that rise from the plane of said rim, and grooves or recesses which are disposed between said ridges and bulges and which are in the plane of the rim or slightly lower than the plane of the rim.