| 摘要 |
One-sided corrugated cardboard machine comprising a first fluted roller and a second fluted roller in meshing engagement with each other and between which a web of cardboard is introduced to be corrugated, the second fluted roller being provided in the circumferential outer surface thereof with several annular grooves arranged at axially spaced intervals, and a device which during the movement of the web of corrugated cardboard from the position of engagement between the second fluted roller and the first fluted roller to the position of engagement between the second fluted roller and an auxiliary roller biases the web of corrugated cardboard with a vacuum pressure via the suction grooves, wherein the second fluted roller has suction boxes associated therewith one each at the inlet and the outlet of the web of cardboard, said suction boxes respectively extending only over a small portion of the circumferential region of the fluted roller not covered by the web of corrugated cardboard and being closed on the side facing the fluted roller except for small openings in the region of the suction grooves, and wherein on the sides of the suction boxes facing each other sealing elements are respectively engaging within the suction grooves. |
