US 11,920,298 B2
Process and system for controlling temperature of a circulating foamed fluid
Aisan Khodaei, Marietta, GA (US)
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
Appl. No. 18/257,359
Filed by Kimberly-Clark Worldwide, Inc., Neenah, WI (US)
PCT Filed Aug. 31, 2021, PCT No. PCT/US2021/048321
§ 371(c)(1), (2) Date Jun. 14, 2023,
PCT Pub. No. WO2023/033793, PCT Pub. Date Mar. 9, 2023.
Prior Publication US 2023/0399799 A1, Dec. 14, 2023
Int. Cl. D21H 21/56 (2006.01); D21F 1/66 (2006.01); D21F 9/00 (2006.01); D21F 11/00 (2006.01); D21H 13/08 (2006.01); D21H 21/18 (2006.01); D21H 27/00 (2006.01)
CPC D21F 11/002 (2013.01) [D21F 1/66 (2013.01); D21F 9/00 (2013.01); D21H 13/08 (2013.01); D21H 21/18 (2013.01); D21H 21/56 (2013.01); D21H 27/002 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A process for producing a web comprising:
forming a foamed suspension of fibers;
depositing at least a portion of the foamed suspension of fibers onto a forming surface for producing a web;
flowing at least a portion of the foamed suspension of fibers through a recirculation loop; and
actively cooling the foamed suspension of fibers flowing through the recirculation loop, the foamed suspension of fibers being maintained below a preset temperature.