D - Textiles – Paper – 03 – D
Patent
D - Textiles, Paper
03
D
28/4
D03D 27/00 (2006.01) A47L 13/18 (2006.01)
Patent
CA 1307658
ABSTRACT In a process for the manufacture of a plushlike cleaning cloth of piled material in which a trimming of thermoplastic pile fibres is anchored into a base of thermoplastic fibres at a temperature of 423 to 433 K (150 to 160°C) by welding, pile fibres with such differing properties with regard to melting temperature and shrinking temperature are employed over the entire surface such that a first portion of the pile fibres shrinks at welding temperature whereas a second portion of the pile fibres either does not shrink at all or shrinks to a lesser extent than the first portion. The first portion of the pile fibres preferably comprises approximately 60% of the total and, owing to its crimped, tougher structure, displays an increased scraping effect. 3592-1
603842
Borden Ladner Gervais Llp
Hans Raab Umweltstiftung
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