Patent ID: 11932988
Assignee: KIMBERLY-CLARK WORLDWIDE, INC.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 9:
10. A system comprising:
a pulper configured to (i) accept surfactant, a liquid and fiber stock, and (ii) generate a foam that suspends the fiber stock and (iii) mix the surfactant, liquid and fiber stock, and wherein the foam-suspended fiber stock in the pulper has a first volume;
a headbox;
a conduit directly connecting the pulper to the headbox such that no intervening equipment is between the pulper and headbox, wherein the headbox is configured to receive the foam-suspended fiber stock from the pulper and displace the foam-suspended fiber stock onto a forming wire, the foam-suspended fiber stock in the headbox has a second volume and wherein the second volume is equal to or greater than half of the first volume; and
a foam return device that is directly connected to the pulper and that removes at least some of the foam from the forming wire and returns the at least some of the foam to the pulper.