US 12,473,516 B2
Dust extraction conducts and processes
Ahmed Ibrahim Sayed Ahmed, Cairo (EG); Fatema Amen Abdelhalem Mohamed Beder, Cairo (EG); Helen Amy Lang, Northumberland (GB); Yara Tarek Mohamed Mahdally, Cairo (EG); and Hossam Hassan Tantawy, Morpeth (GB)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jun. 28, 2024, as Appl. No. 18/757,939.
Claims priority of application No. 23182750 (EP), filed on Jun. 30, 2023.
Prior Publication US 2025/0011692 A1, Jan. 9, 2025
Int. Cl. C11D 17/04 (2006.01); B65B 1/28 (2006.01); B65B 9/087 (2012.01); B65B 65/06 (2006.01); C11D 3/10 (2006.01); C11D 3/12 (2006.01)
CPC C11D 17/044 (2013.01) [B65B 1/28 (2013.01); B65B 9/087 (2013.01); B65B 65/06 (2013.01); C11D 3/10 (2013.01); C11D 3/128 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A system comprising:
a water-soluble unit dose article comprising a water-soluble fibrous non-woven sheet and a granular laundry detergent, wherein the water-soluble fibrous non-woven sheet is shaped to form a partially sealed internal compartment, wherein the water-soluble fibrous non-woven sheet has an air permeability comprised between about 5 m3/m2/min and about 200 m3/m2/min, wherein the granular laundry detergent is comprised within said internal compartment, wherein the water-soluble fibrous non-woven sheet comprises a plurality of fibres, wherein the fibres comprise polyvinyl alcohol polymer, and wherein the granular laundry detergent comprises a plurality of particles, wherein the plurality of particles comprises zeolite particles;
sealing jaws, wherein at least one of the sealing jaws is a heated sealing jaw, wherein a bottom seal of the internal compartment is sandwiched between the jaws, wherein the jaws comprise a non-stick coating in contact with the bottom seal; and
a first dust extraction conduct to direct a gas flow away from an area surrounding a top section of the sealing jaws and away from a bottom section of the internal compartment.