| 摘要 |
A pressure roll (12) or a continuous pressure belt for the formation of a winding nip using a spool in a winding machine for the winding of a materia l web, in particular paper web or paperboard web, is characterized in that t he roll surface or, respectively, belt surface adjacent to the winding nip h as helical, at least single-flighted grooves (18), the depth of each of whic h is in the range from approximately 0.4 mm to approximately 1.5 mm, and the width of each, preferably maximum width, is in the range from approximately 35 to approximately 60 mm.
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