Abstract: A tension fluctuation absorbing device used in a cardboard sheet manufacturing apparatus and equipped with a tension fluctuation detection assembly and a tension adjustment assembly. The tension fluctuation detection assembly detects fluctuations in the tension generated in a material paper. The tension adjustment assembly is installed on the upstream side of the tension fluctuation detection assembly and adjusts the tension generated in the material paper by increasing or decreasing the feed-out speed of the material paper on the basis of fluctuations in tension detected by the tension fluctuation detection assembly.

Abstract: A tension fluctuation absorbing device used in a cardboard sheet manufacturing apparatus and equipped with a tension fluctuation detection assembly and a tension adjustment assembly. The tension fluctuation detection assembly detects fluctuations in the tension generated in a material paper. The tension adjustment assembly is installed on the upstream side of the tension fluctuation detection assembly and adjusts the tension generated in the material paper by increasing or decreasing the feed-out speed of the material paper on the basis of fluctuations in tension detected by the tension fluctuation detection assembly.

Abstract: In the sheet splicing apparatus 1, a sheet holding bar 28b (28a) is arranged along the width of the end potion of the sheet 26 from the secondary roll 24. The end portion of the sheet 26 is removably attached to the sheet holding bar 28b (28a), which moves between a position P for attaching the end portion of the sheet and a position Q for splicing it to the sheet 12 from the primary roll 10. On the sheet holding bar 28b (28a), a plurality of holding pins 58 are removably mounted spaced along the width of the sheet 26. These holding pins 58 hold the sheet by piercing through the sheet 26 in the thickness direction thereof and have a sheet stopping portion 70b for preventing the sheet 26 dropping off the holding pins 58.