US 11,850,785 B2
Polymer extruded, extrusion method, and extruded material
Andrew Christie, Fulton, NY (US)
Assigned to SAM North America, LLC, Phoenix, NY (US)
Filed by SAM North America, LLC, Phoenix, NY (US)
Filed on Oct. 14, 2021, as Appl. No. 17/501,959.
Claims priority of provisional application 63/091,624, filed on Oct. 14, 2020.
Prior Publication US 2022/0111573 A1, Apr. 14, 2022
Int. Cl. B29C 48/30 (2019.01); C08L 23/06 (2006.01); B29C 48/21 (2019.01); B29C 48/46 (2019.01); B29C 48/305 (2019.01); B29C 48/08 (2019.01); B29K 67/00 (2006.01); B29K 23/00 (2006.01)
CPC B29C 48/304 (2019.02) [B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 48/307 (2019.02); B29C 48/46 (2019.02); C08L 23/06 (2013.01); B29K 2023/0633 (2013.01); B29K 2067/046 (2013.01); C08L 2201/06 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C08L 2207/066 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An extruder system for rapid change between different melt strength polymers, the system comprising:
at least three polymer extruders;
a flow spool; and
a multilayer feedblock including:
a first combining zone;
a second combining zone; and
at least one cartridge insert arrangement in each of the first combining zone and the second combining zone;
wherein each cartridge insert arrangement is configured to receive a cartridge insert, the cartridge insert directing flow of a polymer from one of the polymer extruders.