US 12,440,814 B2
Feeding screw machine for feeding a processing screw machine
Thorsten Stirner, Konigsbach-Stein (DE)
Assigned to COPERION GMBH, Stuttgart (DE)
Filed by Coperion GmbH, Stuttgart (DE)
Filed on Dec. 13, 2021, as Appl. No. 17/549,445.
Claims priority of application No. 20214537 (EP), filed on Dec. 16, 2020.
Prior Publication US 2022/0184570 A1, Jun. 16, 2022
Int. Cl. B29B 7/48 (2006.01); B01F 23/47 (2022.01); B01F 27/1143 (2022.01); B01F 27/272 (2022.01); B01F 35/11 (2022.01); B01F 35/90 (2022.01); B29B 7/42 (2006.01); B29B 7/80 (2006.01); B01F 101/00 (2022.01)
CPC B01F 35/11 (2022.01) [B01F 23/47 (2022.01); B01F 27/1143 (2022.01); B01F 27/2721 (2022.01); B01F 35/90 (2022.01); B29B 7/429 (2013.01); B29B 7/489 (2013.01); B29B 7/802 (2013.01); B01F 2035/99 (2022.01); B01F 2101/2805 (2022.01)] 17 Claims
OG exemplary drawing
 
1. A feeding screw machine for feeding a processing screw machine comprising:
a housing,
at least one housing bore formed in the housing,
a supply opening formed in the housing for supplying material into the at least one housing bore,
a feeding opening formed in the housing for feeding the material to the processing screw machine, and
at least one screw conveyor shaft rotatably arranged in the at least one housing bore, for conveying the material in a conveying direction from the supply opening to the feeding opening,
wherein an emptying opening is formed in the housing,
wherein the emptying opening is arranged upstream of the supply opening in the conveying direction,
wherein the at least one screw conveyor shaft extends in the at least one housing bore from the emptying opening to the feeding opening, and
wherein the at least one screw conveyor shaft extends through the feeding opening and beyond the feeding opening.