Roll take-up device with an electrical contact for a roll of a sheetlike composite for producing dimensionally stable food and drink containers

An apparatus, comprising

• a) a roll take-up device
• a sheetlike composite and
• c) a contacting means;
• wherein the sheetlike composite comprises, as layers of a series of layers in a direction from an outer side of the sheetlike composite to an inner side of the sheetlike composite,
• a. a carrier layer,
• b. a barrier layer and
• c. an inner polymer layer;
• wherein the sheetlike composite is at least partially rolled up to form a roll,
• wherein the roll is held by the roll take-up device;
• wherein, in the roll, at least 10 laminas of the sheetlike composite are overlaid on one another from the inside outwards or vice versa;
• wherein the laminas respectively have the series of layers;
• wherein one layer of the series of layers of the sheetlike composite is an electrically conductive layer;
• and
• wherein the contacting means is contacted with the electrically conductive layer in an electrically conducting manner.

A printing apparatus, comprising

• a) a first printing unit, comprising a first printing roller and a first impression roller,
• b) a sheetlike composite,
• c) a first contacting means,
• wherein the sheetlike composite
• A) comprises, as layers of a series of layers in a direction from an outer side of the sheetlike composite to an inner side of the sheetlike composite,
• i) a carrier layer,
• ii) a barrier layer and
• iii) an inner polymer layer,
• and
• B) is partly made to extend between the first printing roller and the first impression roller,
• wherein one layer of the series of layers of the sheetlike composite is an electrically conductive layer, and
• wherein the first contacting means contacts the electrically conductive layer in an electrically conducting manner.

A process, comprising as process steps

• a) providing a sheetlike composite comprising, as layers of a series of layers in a direction from an outer side of the sheetlike composite to an inner side of the sheetlike composite,
• i) a carrier layer,
• ii) a barrier layer and
• iii) an inner polymer layer;
• b) providing a first roll take-up device, comprising a first electrical contact,
• c) taking up the sheetlike composite by the first roll take-up device,
• wherein one layer of the series of layers of the sheetlike composite is an electrically conductive layer, and
• wherein, in process step c), the electrically conductive layer is contacted with the first electrical contact in an electrically conducting manner.

A process for taking up a sheetlike composite,

• wherein the sheetlike composite comprises, as layers of a series of layers in a direction from an outer side of the sheetlike composite to an inner side of the sheetlike composite,
• i) a carrier layer,
• ii) a barrier layer, and
• iii) an inner polymer layer,
• wherein one layer of the series of layers of the sheetlike composite is an electrically conductive layer, and
• wherein, in the take-up, the electrically conductive layer is contacted with an electrical contact comprised by the tensioning means in an electrically conducting manner.