US 12,168,312 B2
Arrangement for granulating extruded material
Michael Aigner, Leonding (AT); Christian Wagner, Neumarkt im (AT); Roland Huber, St. Pantaleon (AT); and Klaus Feichtinger, Linz (AT)
Assigned to EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft M.B.H., Ansfelden (AT)
Appl. No. 17/602,172
Filed by EREMA Engineering Recycling Maschinen und Anlagen Gesellschaft M.B.H., Ansfelden (AT)
PCT Filed Apr. 9, 2020, PCT No. PCT/AT2020/060142
§ 371(c)(1), (2) Date Oct. 7, 2021,
PCT Pub. No. WO2020/206476, PCT Pub. Date Oct. 15, 2020.
Claims priority of application No. A 50329/2019 (AT), filed on Apr. 11, 2019.
Prior Publication US 2022/0152876 A1, May 19, 2022
Int. Cl. B29B 9/06 (2006.01); B29B 9/10 (2006.01); B29C 48/00 (2019.01); B29C 48/04 (2019.01); B29C 48/345 (2019.01); B65G 53/16 (2006.01)
CPC B29B 9/06 (2013.01) [B29B 9/10 (2013.01); B29C 48/0022 (2019.02); B29C 48/04 (2019.02); B29C 48/345 (2019.02); B65G 53/16 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Arrangement for granulating plasticised or at least partially softened or at least partially melted polymer material, comprising a housing (1) with a gas supply line (2) having a rectangular cross-section and a gas discharge line (3), connected opposite the gas supply line (2) to the housing (1), having a rectangular cross-section, a granulating unit located at least partially in the housing (1) and having a perforated plate (4) of a feed or plasticising unit (27) which feeds or opens into the housing (1), and a scraper (6) which crushes or separates the material emerging through recesses (5) of the perforated plate (4),
characterised in that, in a plane extending parallel to a plane of the perforated plate (4) and/or a front wall (17) of the housing (1) or a sectional plane (E-E) extending parallel to the plane of the perforated plate (4) and/or the front wall (17) of the housing (1), two lateral wall surfaces (7) of the gas discharge line (3), which are perpendicular to either the plane or the sectional plane, include an angle α2 with one another, and two lateral wall surfaces (8) of the gas supply line (2), which are perpendicular to either the plane or the sectional plane, include an angle α1, wherein the two angles α1, α2 open towards the housing (1) and wherein the angle α1 is greater than the angle α2.