US 12,263,617 B2
Blending apparatus for manufactured wood processing
David Edwall, Hayward, WI (US); Shane Chucka, Springbrook, WI (US); Grant Stevenson, Hayward, WI (US); Mathew Fish, Hayward, WI (US); and Wayne Temple, Shell Lake, WI (US)
Assigned to LOUISIANA-PACIFIC CORP., Nashville, TN (US)
Filed by LOUISIANA-PACIFIC CORPORATION, Nashville, TN (US)
Filed on Dec. 5, 2023, as Appl. No. 18/529,019.
Application 18/529,019 is a continuation of application No. 16/724,968, filed on Dec. 23, 2019, granted, now 11,833,711.
Claims priority of provisional application 62/784,524, filed on Dec. 23, 2018.
Prior Publication US 2024/0100734 A1, Mar. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B27N 1/02 (2006.01); B01F 29/60 (2022.01); B01F 29/63 (2022.01); B01F 29/00 (2022.01)
CPC B27N 1/0218 (2013.01) [B01F 29/61 (2022.01); B01F 29/63 (2022.01); B27N 1/0263 (2013.01); B01F 29/40221 (2022.01); B01F 29/4031 (2022.01)] 15 Claims
OG exemplary drawing
 
1. A blending apparatus for treatment of raw material for manufactured wood products with one or more additives or substances during the manufacturing process, comprising:
a rotatable drum with a length and an interior wall;
a plurality of a first type of blender flight with a front side, a back side, and a top side extending from the interior wall of the drum, said first type of blender flight comprising a trapezoid in cross section, wherein the front side forms an obtuse angle with the tangent to the drum at the point of attachment to the interior wall, wherein the back side forms an obtuse angle with the tangent to the drum at the point of attachment to the interior wall; and
a plurality of a second type of blender flight with a front side, a back side, and a top side extending from the interior of the drum, said second type of blender flight comprising a bull-nose in cross-section, wherein the back side is parallel to the front side, and the top side comprises at least one point;
wherein during rotation of the drum, the first type of blender flight is configured to differentially release the raw material in comparison to the second type of blender flight.