US 12,442,595 B2
Filament dryer
Noman Sheikh, Suffern, NY (US)
Assigned to SnoLab Inc., Suffern, NY (US)
Filed by SnoLab Inc., Suffern, NY (US)
Filed on Sep. 20, 2021, as Appl. No. 17/479,030.
Prior Publication US 2023/0090184 A1, Mar. 23, 2023
Int. Cl. F26B 21/10 (2006.01); B29C 64/118 (2017.01); B29C 64/314 (2017.01); B29C 64/386 (2017.01); B33Y 40/10 (2020.01); B33Y 50/00 (2015.01); F26B 13/00 (2006.01); F26B 21/00 (2006.01); F26B 25/12 (2006.01)
CPC F26B 21/10 (2013.01) [B29C 64/118 (2017.08); B29C 64/314 (2017.08); B29C 64/386 (2017.08); B33Y 40/10 (2020.01); B33Y 50/00 (2014.12); F26B 13/003 (2013.01); F26B 21/004 (2013.01); F26B 25/12 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An apparatus for heating three-dimensional printing filaments, the apparatus comprising:
a heating chamber including an insulation lining and spool holders mounted at a base of the heating chamber;
a heater fan assembly mounted above the heating chamber, the heater fan assembly comprising a powered fan and heater configured to heat air and circulate the heated air to the heating chamber;
a diverter situated between the heater fan assembly and the heating chamber, the diverter splitting and directing the heated air to the heating chamber through a pair of channels;
a plurality of exhaust ports at top sidewall portions and bottom sidewall portions of the heating chamber, the plurality of exhaust ports allowing the heated air to escape from the heating chamber; and
fitting adapters comprising apertures that allow filament material to be dispensed from the heating chamber.