US 12,467,201 B2
Refiner
Makoto Goto, Shizuoka (JP); and Makoto Suzuki, Shizuoka (JP)
Assigned to AIKAWA IRON WORKS CO., LTD., Shizuoka (JP)
Filed by AIKAWA IRON WORKS CO., LTD., Shizuoka (JP)
Filed on Apr. 26, 2024, as Appl. No. 18/646,766.
Application 18/646,766 is a division of application No. 17/583,143, filed on Jan. 24, 2022, granted, now 12,215,462.
Claims priority of application No. 2021-185514 (JP), filed on Nov. 15, 2021.
Prior Publication US 2024/0296736 A1, Sep. 5, 2024
Int. Cl. D21D 1/38 (2006.01); B02C 7/02 (2006.01); B02C 7/12 (2006.01); D21D 1/00 (2006.01); D21D 1/22 (2006.01); D21D 1/30 (2006.01)
CPC D21D 1/30 (2013.01) [B02C 7/02 (2013.01); B02C 7/12 (2013.01); D21D 1/002 (2013.01); D21D 1/006 (2013.01); D21D 1/008 (2013.01); D21D 1/22 (2013.01); D21D 1/306 (2013.01); D21D 1/38 (2013.01)] 1 Claim
OG exemplary drawing
 
1. A refiner for beating a raw material, the refiner comprising:
a rotating shaft extending in an axial direction;
a rotor beating part including:
a main body attached to the rotating shaft, and
a rotary blade on an end face of the main body, the rotary blade extending from an outer periphery of the main body toward the rotating shaft in a radial direction of the rotating shaft;
a stator beating part including:
a first ring-shaped body, and
a fixed blade on an end face of the first ring-shaped body facing the main body, the fixed blade extending from a center of the end face to an inner periphery of the first ring-shaped body, wherein a tip of the fixed blade and a tip of the rotary blade overlap each other in the axial direction; and
a second ring-shaped body positioned on an outer side of the first ring-shaped body in the radial direction, the second ring-shaped body including a slit for discharging the raw material beaten by the stator beating part and the rotor beating part.