Patent · US Expired

Twin wire former

US7067042B2 · kind B2 · utility

2Cited by

3References

10Claims

0Family size

Assignee

Voith Paper Patent GmbH · DE

Inventors

Johann Moser · Heidenheim, DE
Volker Schmidt-Rohr · Heidenheim, DE

Key dates

Filing date	Sep 10, 2003
Grant date	Jun 27, 2006
Priority date	—
Expiry date	Sep 10, 2023

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21F9/003
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a twin wire former in a machine for the production of a fiber web, especially a paper or cardboard web from at least one fiber stock suspension, including a vertical twin wire segment having two wires running over a peripheral area of a turning element, especially a guide roll whose surface is preferably not equipped with suction and is smooth or substantially smooth; and in that at least one separation element, such as a transfer suction box is provided indirectly or immediately following the guide roll that separates the top wire from the bottom wire on which the fibrous web is supported.

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