The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 13, 2021

Filed:

Jan. 24, 2017
Applicant:

Kimberly-clark Worldwide, Inc., Neenah, WI (US);

Inventors:

Robert James Seymour, Appleton, WI (US);

Mark John Hassman, Oshkosh, WI (US);

Craig Steven Besaw, Stevens Point, WI (US);

Reza Ramazani-Rend, Appleton, WI (US);

Jason Michael Rudolph, Kimberly, WI (US);

Thomas McLachlan Jenn, Appleton, WI (US);

Lucia Yiyi Chai, Naperville, IL (US);

Samuel August Nelson, Menasha, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21F 7/00 (2006.01); D21F 1/52 (2006.01);
U.S. Cl.
CPC ...
D21F 7/008 (2013.01); D21F 1/52 (2013.01);
Abstract

The present disclosure relates to a vacuum dewatering apparatus comprising a vacuum box disposed opposite of a steam box where the steam box comprises a bottom plate having a substantially linear portion and a curvilinear portion. A plurality of apertures are disposed along at least a portion of the curvilinear portion to permit the transmission of steam. In a preferred embodiment, the curvilinear portion is adjacent to the trailing edge and the linear portion is adjacent to the leading edge of the apertured bottom plate. Further, at least a portion of the apertures are aligned opposite the vacuum box which acts to remove the steam. The vacuum dewatering apparatus of the present invention enables the use of high levels of steam improving vacuum dewatering and improving drying efficiency.


Find Patent Forward Citations

Loading…