Deep immersion shrinkproofing of wool
AssigneeKroy Unshrinkable Wools Limited
InventorFrank Mains
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Abstract
According to the invention disclosed herein wool sliver may be effectively shrinkproofed by immersing the sliver continuously into a bath of shrinkproofing solution to a depth of at least 1 meter if said sliver is carried down into said solution within 10.degree. of vertical. According to the invention the most useful solution is an aqueous solution into which chlorine gas has been aspirated. An apparatus according to the invention comprises a substantially U-shaped bath having a depth exceeding 1 meter and equipped with means to convey wool sliver into said bath within 10.degree. of vertical.
Claims7
A process for shrinkproofing wool sliver comprising:
- immersing said wool sliver in a direction not greater than 10.degree. from vertical into a bath of shrinkproofing solution to a depth of at least 1 meter, at a rate of immersion into said shrinkproofing solution equal to or less than the rate at which said solution displaces air from the capillaries of said sliver, and thereafter removing said sliver from said solution, said solution being an aqueous hypochlorous acid solution.
Dependencies are inferred from the claim text.