Patent · US Active

Pulper for comminuting and suspending paper stock and its use

US7980497B2 · kind B2 · utility

1Cited by

5References

28Claims

0Family size

Assignee

Voith Patent GmbH · DE

Inventors

Wolfgang Mueller · Wappingers Falls, US
Andreas Steidele · Ravensburg, DE
Gert Gottschalk · Ravensburg, DE
Roland Reinhold · Ravensburg, DE

Key dates

Filing date	Jun 12, 2009
Grant date	Jul 19, 2011
Priority date	—
Expiry date	Jun 12, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02W30/64
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A pulper is used to comminute and suspend paper stock. The pulper includes a container that is open at the top and has a cylindrical side wall and a driven rotor, which is arranged eccentrically with respect to the center of the container. The bottom of the container can be provided with one or more truncated cones.

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