US 12,280,546 B2
Treatment of articles
Daniel Martinez Gonzalez, Sant Cugat del Valles (ES); Alejandro Torres Pinero, Sant Cugat del Valles (ES); and Xavier Gasso Puchal, Sant Cugat del Valles (ES)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/272,892
Filed by HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P., Spring, TX (US)
PCT Filed Apr. 22, 2019, PCT No. PCT/US2019/028479
§ 371(c)(1), (2) Date Mar. 2, 2021,
PCT Pub. No. WO2020/219006, PCT Pub. Date Oct. 29, 2020.
Prior Publication US 2021/0187852 A1, Jun. 24, 2021
Int. Cl. B29C 64/30 (2017.01); B29C 64/386 (2017.01); B33Y 40/20 (2020.01); B33Y 50/00 (2015.01)
CPC B29C 64/30 (2017.08) [B29C 64/386 (2017.08); B33Y 40/20 (2020.01); B33Y 50/00 (2014.12)] 12 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a hermetically sealable treatment chamber into which an article to be treated is to be disposed;
a pump in fluidic communication with the treatment chamber to form a closed loop, the pump arranged to circulate a treatment agent about the closed loop; and
a disperser disposed within the treatment chamber and arranged to disperse the treatment agent into the treatment chamber as the treatment agent is circulated about the closed loop by the pump and enters the treatment chamber at first and second inlets thereof,
wherein the disperser comprises:
a first gas diffusion plate at the first inlet; and
a second gas diffusion plate at the second inlet.