Patent · US Active

Pressure roll or continuous pressure belt

US8191817B2 · kind B2 · utility

1Cited by

7References

26Claims

0Family size

Assignee

Voith Patent GmbH · DE

Inventors

Matthias Wohlfahrt · Heidenheim, DE
Roland Thomas · Wayland, US
Walter Kaipf · Gundelfingen an der Donau, DE

Key dates

Filing date	Jan 29, 2009
Grant date	Jun 5, 2012
Priority date	—
Expiry date	Jun 1, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H2601/211
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A feature of a pressure roll or a continuous pressure belt for the formation of a reeling nip using a parent roll in a reel-up for the reeling up of a material web, in particular paper web or paperboard web, is that the roll surface or, respectively, belt surface adjacent to the reeling nip has helical, an at least single-start groove, the depth of which is in the range from about 0.4 mm to about 1.5 mm, and the maximum width of which is in the range from about 35 to 60 mm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.