US 12,215,447 B2
Air laying device
Tobias Henle, Ulm (DE); Alexander Gloning, Zöbingen (DE); and Christian Kneissle, Kirchbierlingen (DE)
Assigned to Voith Patent GmbH, Heidenheim (DE)
Filed by Voith Patent GmbH, Heidenheim (DE)
Filed on Mar. 29, 2023, as Appl. No. 18/127,854.
Application 18/127,854 is a continuation of application No. PCT/EP2021/076003, filed on Sep. 22, 2021.
Claims priority of application No. 10 2020 125 404.0 (DE), filed on Sep. 29, 2020.
Prior Publication US 2023/0235493 A1, Jul. 27, 2023
Int. Cl. D04H 1/732 (2012.01); D04H 1/26 (2012.01); D04H 1/28 (2012.01)
CPC D04H 1/732 (2013.01) [D04H 1/26 (2013.01); D04H 1/28 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An air laying device for producing a fibrous mat at least partially from a plurality of fibers including at least one of a plurality of wood pulp fibers and a plurality of cellulose fibers, the air laying device comprising:
a ring distributor including a fiber feed and a ring channel, the ring channel including an outlet element forming a section of the ring channel; and
a calming channel extending in a downward direction toward a forming fabric, the section being arranged within the calming channel, the outlet element including a plurality of openings configured for being that through which the plurality of fibers supplied by the fiber feed exit from the ring channel into the calming channel and move to the forming fabric to form the fibrous mat on the forming fabric, the plurality of openings having a maximum width of 10 mm.