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

Claim 12:
13. 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;
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, wherein the foam present in the headbox has a liquid 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 at least fifty percent (50%) of the liquid volume of the foam to the pulper.