Patent · US Active

Vacuum roll and method of use

US8602198B2 · kind B2 · utility

3Cited by

30References

23Claims

0Family size

Assignee

Kimberly-Clark Worldwide, Inc. · US

Inventors

Joseph Daniel Coenen · Neenah, US
Gregory J. Rajala · Neenah, US
Walter R. Johnson · Chuckey, US

Key dates

Filing date	Dec 17, 2010
Grant date	Dec 10, 2013
Priority date	—
Expiry date	Dec 22, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H2801/57
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A vacuum roll has an inner cylinder defining an interior chamber. The interior chamber is fluidly connected to a vacuum source for applying a vacuum thereto. An outer cylinder is rotatable about the inner cylinder and has a plurality of apertures therein. An actuator is configured to move the inner cylinder between a first position and a second position. The vacuum roll has a first vacuum profile with the inner cylinder in the first position and a second vacuum profile with the inner cylinder in the second position.

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