Low friction drafting system for yarns

Details Low friction drafting system for yarns Low friction drafting system for yarns

1984-04-09

1985-10-01

Mackey, Robert R.

Textiles: manufacturing

Thread finishing

Surface modification of running length

57310, 2642907, D02J 122

Patent

active

045436975

ABSTRACT:
Low friction drafting system for yarn and having in sequence a driven feed roll, a low friction freely rotatable hot roll for preheating the yarn, a low friction freely rotatable hot roll for thermally stabilizing the yarn, a driven output roll, with tension automatically transferring upstream of the preheater roll to preheat the yarn and with the two heated rolls being driven by engagement with the yarn; the thermally stabilizing roll operates at a greater speed than the preheater roll and drafting of the yarn occurs between the two freely rotatable hot rolls.

REFERENCES:
patent: 3471608 (1969-10-01), Schippers
patent: 4461740 (1984-07-01), Koschinek et al.

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