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US 2008/0073033 A1Published application
Machine for producing a corrugated cardboard web lined at least on one side
AssigneeBHS Corrugated Maschinen-und Anlagenbau GmbH
InventorAlfons GNAN
Life of this patent
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Abstract
A machine for producing a corrugated cardboard web lined at least on one side has a pressing device, which has a tension roller for guiding a pressing belt. The tension roller is formed from a core and an outer jacket surrounding the said core. The core and the outer jacket are connected to one another only in the region of their longitudinal centre and are respectively separated from one another towards their outer ends by an annular space.
Claims6
Machine for producing a corrugated cardboard web (50) lined at least on one side, comprising
- two fluted rollers (2, 3) for producing corrugations (44) in a paper web (43),
- a glue application device (13) for applying glue (49) to tips (45) of the corrugations (44) of the corrugated paper web (43), and
- a pressing device (16) for pressing a lined web (46) against the tips (45) provided with glue (49) of the corrugated paper web (43) which lies against one of the fluted rollers (3) over a pressing region (48),
- wherein the pressing device (16) has an endless pressing belt (19), which is guided over a deflection roller (17) and a cylindrical tension roller (18) and which is pressed against the fluted roller (3) over the pressing region (48), and
- wherein the tension roller (18) is formed from a core (32) and an outer jacket (33) surrounding the said core, the outer jacket (33) and the core (32) having a common longitudinal center and outer ends, and
- wherein the core (32) and the outer jacket (33) are connected only in the region of their longitudinal center and are respectively separated from one another towards their outer ends by an annular space (35, 35′).
3 more elements
Dependencies are inferred from the claim text.