US 12,213,551 B2
Manufacturing process and apparatus for duckbill mask
Qiuhong Li, Beijing (CN); and Donghao Cai, Beijing (CN)
Assigned to BEIJING BEISHUTE MATERNITY & CHILD ARTICLES CO., LTD, Beijing (CN)
Appl. No. 17/622,868
Filed by BEIJING BEISHUTE MATERNITY & CHILD ARTICLES CO., LTD, Beijing (CN)
PCT Filed Sep. 18, 2020, PCT No. PCT/CN2020/116029
§ 371(c)(1), (2) Date Dec. 27, 2021,
PCT Pub. No. WO2022/052149, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 202010961765.7 (CN), filed on Sep. 14, 2020.
Prior Publication US 2022/0378134 A1, Dec. 1, 2022
Int. Cl. A41H 42/00 (2006.01); A41D 13/11 (2006.01); A41H 43/02 (2006.01)
CPC A41H 42/00 (2013.01) [A41D 13/1123 (2013.01); A41H 43/0235 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A manufacturing apparatus for a duckbill mask, comprising a compounding mechanism, an edge folding mechanism, an edge sealing mechanism, a convex sealing mechanism and a cutting mechanism, wherein the compounding mechanism, the edge folding mechanism and the edge sealing mechanism are multi-line mechanisms; and the edge sealing mechanism comprises a nose edge press sealing mechanism and a jaw edge press sealing mechanism,
wherein the edge folding mechanism comprises a left mask nose bridge strip, a right mask nose bridge strip, a nose bridge cutter roller, a nose bridge chisel roller, a nose bridge left cutter wheel, a nose bridge right cutter wheel, a left mask nose bridge, a right mask nose bridge, a mask lower-side right edge folding component and a mask lower-side left edge folding component.