	US 12,076,893 B2
	Method for producing an injection molded part, injection mold and fan impeller
Martin Schlechtriemen, Münchberg (DE); Stefan Niedrig, Görlitz (DE); Antje Bussmann, Hude (DE); and Michael Albrecht, Dittenheim (DE)
Assigned to Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg, Würzburg (DE)
Filed by Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg, Würzburg (DE)
Filed on Feb. 17, 2023, as Appl. No. 18/170,756.
Application 18/170,756 is a continuation of application No. PCT/EP2021/072768, filed on Aug. 17, 2021.
Claims priority of application No. 10 2020 210 648.7 (DE), filed on Aug. 21, 2020.
Prior Publication US 2023/0202083 A1, Jun. 29, 2023
Int. Cl. B29C 45/00 (2006.01); B29C 45/17 (2006.01); B29C 45/26 (2006.01); F04D 19/00 (2006.01); F04D 29/32 (2006.01); B29L 31/08 (2006.01)

CPC B29C 45/0046 (2013.01) [B29C 45/0005 (2013.01); B29C 45/0025 (2013.01); B29C 45/1711 (2013.01); B29C 45/2669 (2013.01); F04D 19/002 (2013.01); F04D 29/325 (2013.01); F04D 29/326 (2013.01); B29C 2045/0039 (2013.01); B29C 2045/0044 (2013.01); B29C 2045/1713 (2013.01); B29L 2031/08 (2013.01); B29L 2031/082 (2013.01)]

7 Claims

1. An injection mold for producing an injection molded part, the injection mold comprising:

a cavity formed therein for forming the injection molded part, wherein at least two tunnels are coupled as overflow points to a flow line region of said cavity such that, when a plastic material converges from two directions in said flow line region during an injection molding process, the plastic material flows out of said cavity via said tunnels and, as a result, the plastic material is locally swirled or mixed in said flow line region, wherein said at least two tunnels are disposed tangentially and axially offset from one another.