Stora Enso Oyj

Delight Packaging Oy

Olavi Pirttiniemi

Päivi Määttä

Jalliina Järvinen

Panu Tanninen

Teemu Karhu

Noora Nylander

Johanna Lindén

The disclosure concerns a package () comprising a cardboard blank (), the cardboard blank () being shaped as a container with a bottom () and one or more cardboard sidewalls () extending upwardly from the bottom (), the package () further comprising a molded rim () being attached to said one or more cardboard sidewalls (), along an interface (I) formed of an upper portion of said one or more cardboard sidewalls () and a lower portion of said molded rim (), and extending along at least a part of an upper edge of said one or more cardboard sidewalls (), characterised in that the rim () is extending essentially upright upwardly from said one or more cardboard sidewalls () thereby providing the package () with a molded upper sidewall portion. The disclosure also concerns a method and a molding tool.

Method for forming a package

Mold system () for manufacturing cardboard-based container, comprising movable mold half () and stationary mold half () located opposite one another. Movable mold half (), movable with respect to stationary mold half (), includes at least a core plate (), a plate-like seal ring () movable with respect to the core, and collar ring (). Stationary mold half () includes at least a mold plate () provided with a mold cavity () and a seal surface (). In the mold system (), an insert () can be supported on and detachably attached to the base () of the mold cavity () reducing the depth H of the mold cavity by its height h. Container () comprises bottom () pressed from cardboard blank and wall () connected to the bottom and plastic rim () connected to the upper edge of the walls.

Mould system for changing the depth of a cardboard-based container

A mould system for manufacturing a container which includes a movable mould half and a stationary mould half which are positioned opposite to each other, wherein the movable mould half includes a core plate provided with a core, a plate-like seal ring that is movable relative to the core, a seal surface which surrounds the core, and a collar ring that is movable relative to the core and the stationary mould half includes 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, the insert including a recess which 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.

Mould system for manufacturing a container

Growing community of inventors

Järvelä, Finland

Olavi Pirttiniemi