US 12,274,967 B2
Air filter for a painting booth used for spray coating
Patrick Alain Joseph Hayoun, Dubai (AE); and Michel Carbonara, Attalens (CH)
Assigned to UCUBE LAB SA, Geneva (CH)
Appl. No. 17/769,658
Filed by UCUBE LAB SA, Geneva (CH)
PCT Filed Oct. 16, 2020, PCT No. PCT/EP2020/079278
§ 371(c)(1), (2) Date Apr. 15, 2022,
PCT Pub. No. WO2021/074426, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 101440 (LU), filed on Oct. 17, 2019.
Prior Publication US 2024/0123389 A1, Apr. 18, 2024
Int. Cl. B01D 46/52 (2006.01); B01D 45/04 (2006.01); B01D 45/06 (2006.01); B01D 46/121 (2022.01); B01D 50/20 (2022.01); B05B 14/43 (2018.01)
CPC B01D 46/522 (2013.01) [B01D 45/06 (2013.01); B01D 46/121 (2022.01); B01D 50/20 (2022.01); B05B 14/43 (2018.02)] 14 Claims
OG exemplary drawing
 
1. An air filter for spray coating, said air filter comprising:
a housing designed for showing a cuboid shape, with a face forming an air inlet and an opposed face forming an air outlet; and
one or more accordion panels with fold lines, to be accordion folded about the fold lines and to be located in the housing for forming a filtering barrier;
wherein the one or more accordion panels of the filtering barrier comprises at least one pair of flap portions formed by end portions of one of the one or more accordion panels, configured to be folded to form a converging profile followed aeraulically by a trapping chamber formed by two folded main portions of the accordion panel, and openings forming escape lateral passages of the trapping chamber(s).