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The trencher includes a wheeled carriage which has a steering mechanism and a digging which operates along an upright path. The trencher includes an upright boom structure that is mounted to the carrage and a digging chain support frame that can be raised and lowered relative to the trencher carriag

The trencher includes a wheeled carriage which has a steering mechanism and a digging which operates along an upright path. The trencher includes an upright boom structure that is mounted to the carrage and a digging chain support frame that can be raised and lowered relative to the trencher carriage along an upright path. The digging chain is mounted to the digging chain support frame by a powered sprocket wheel and a freely turning pulley wheel. The sprocket wheel the pulley wheel are positioned so that the digging chain describes an upright path. The path described by the digging chain is sufficiently upright so that the trencher can excavate a curved trench without the digging chain interfering with the walls of the trench to a degree that is sufficient to impede the operation of the trencher.

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The trencher includes a wheeled carriage which has a steering mechanism and a digging which operates along an upright path. The trencher includes an upright boom structure that is mounted to the carrage and a digging chain support frame that can be raised and lowered relative to the trencher carriag

The trencher includes a wheeled carriage which has a steering mechanism and a digging which operates along an upright path. The trencher includes an upright boom structure that is mounted to the carrage and a digging chain support frame that can be raised and lowered relative to the trencher carriage along an upright path. The digging chain is mounted to the digging chain support frame by a powered sprocket wheel and a freely turning pulley wheel. The sprocket wheel the pulley wheel are positioned so that the digging chain describes an upright path. The path described by the digging chain is sufficiently upright so that the trencher can excavate a curved trench without the digging chain interfering with the walls of the trench to a degree that is sufficient to impede the operation of the trencher. t guided through the last pressing nip and a transfer belt arranged to guide the material web, wherein said pick-up suction roll is arranged to transfer the material web from the one of the pressing felt and the transfer belt to said impingement drying unit. 2. The drying section in accordance with claim 1, wherein said pick-up suction roll comprises a large suction roll. 3. The drying section in accordance with claim 2, wherein the material web comprises one of a paper and cardboard web. 4. The drying section in accordance with claim 1, further comprising a wire arranged to wrap said pick-up suction roll. 5. The drying section in accordance with claim 1, wherein said pick-up suction roll is coated with a screen stocking. 6. The drying section in accordance with claim 1, wherein said pick-up suction roll comprises an interior suction box. 7. The drying section in accordance with claim 1, wherein said pick-up suction roll comprises a jacket and an exterior suction box arranged to provide suction via said jacket. 8. The drying section in accordance with claim 1, wherein said pick-up suction roll comprises a multi-zone suction box. 9. The drying section in accordance with claim 1, wherein said impingement drying unit comprising a support roll and an impingement dryer, said support roll being arranged to receive the material web from said pick-up suction roll. 10. The drying section in accordance with claim 9, wherein said support roll is a larger support roll. 11. The drying section in accordance with claim 9, wherein said support roll has an outer diameter in the range of approximately 2.5 to approximately 8 m. 12. The drying section in accordance with claim 11, wherein the outer diameter of said support roll is in the range of approximately 3 to approximately 5 m. 13. The drying section in accordance with claim 9, further comprising a wire arranged to wrap said support roll. 14. The drying section in accordance with claim 9, wherein said support roll comprises a suction roll. 15. The drying section in accordance with claim 9, wherein said support roll comprises a cylinder. 16. The drying section m accordance with claim 1, wherein said at least one impingement drying unit comprises a support belt supported by several support rolls and an impingement dryer. 17. The drying section in accordance with claim 16, wherein said support rolls are at least partially arranged on an arc of a circle. 18. The drying section in accordance with claim 1, wherein said at least one impingement drying unit comprises at least two impingement dryer units, each including a support roll and an impingement dryer. 19. The drying section in accordance with claim 18, wherein each said support roll is a larger support roll. 20. The drying section in accordance with claim 18, wherein each said support roll has an outer diameter in the range of approximately 2.5 to approximately 8 m. 21. The drying section in accordance with claim 20, wherein the outer diameter of each said support roll is in the range of approximately 3 to approximately 5 m. 22. The drying section in accordance with claim 18, further comprising at least two wires respectively arranged to wrap each said support roll. 23. The drying section in accordance with claim 18, wherein at least one of said support rolls comprises a suction roll. 24. The drying section in accordance with claim 18, wherein at least one of said support rolls comprises a cylinder. 25. The drying section in accordance with claim 1, wherein said at least one impingement drying unit comprises at least two impingement drying units, in which each includes a support belt supported by several support rolls and an impingement dryer. 26. The drying section in accordance with claim 25, wherein said support rolls of each impingement drying unit are at least partially arranged on an arc of a respective circle. 27. The drying section in accordance with claim 1, wherein said at least one impingement drying unit comprises at least one