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US 9,827,734 B2Granted
Apparatus for producing corrugated board products having an oblique flute profile
AssigneeProgroup AG
InventorChristophe Haessig
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AssigneeProgroup AG
InventorChristophe Haessig
Estimating the term…
The invention relates to a method and an apparatus for the production of a corrugated cardboard product. The apparatus comprises a first single facer and a second single facer which are provided in each case with a press-down belt and with a first and a second grooving roller respectively. The first and the second grooving roller are designed for embossing a wave profile onto a first and a second paper web respectively. The press-down belts, together with the respective grooving rollers, for connecting the first and the second paper webs in each case to a non-corrugated web for the production of a first and a second single-flute corrugated cardboard web respectively. The first single facer is equipped with a first oblique guide roller, the axis of rotation of which is inclined at a vertical inclination angle between side margins of the first paper web.
An apparatus for the production of a corrugated cardboard product, comprising at least one first single facer and one second single facer which are provided in each case with a press-down belt and with a grooving roller, the grooving rollers being designed for embossing a wave profile in each case onto a paper web, and the press-down belt being designed in each case with the grooving rollers for connecting the paper webs in each case to a non-corrugated web to form in each case a single-flute corrugated cardboard web, characterized in that at least the first single facer is equipped with a first oblique guide roller, the axis of rotation of which is inclined at a vertical inclination angle between side margins of a first paper web that corresponds to the first single facer, wherein the first oblique guide roller defines a direct path into the respective grooving roller for the first paper web.
Dependencies are inferred from the claim text.