Joining of yarns by splicing

Details Joining of yarns by splicing Joining of yarns by splicing

1981-05-05

1983-10-04

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Splicing

57261, D01H 1500

Patent

active

044071175

ABSTRACT:
A method for the splicing of two twisted staple yarns includes the steps of untwisting portions of each yarn, drafting these portions to form beards and retwisting the beards to form the splice. In one aspect of the invention, the untwisting is effected by rolling the yarns between two surfaces at nip point to rotate the yarns. In a second aspect, each yarn is gripped between nips at two locations (defining the respective yarn portion) which are spaced apart by a distance not significantly greater than the mean yarn fibre length; after untwisting, the beards are formed by drawing the ends of the yarns in opposite directions and longitudinally through the adjacent nips, whereby both ends of each beard are held between the nips defining the respective yarn portion. Also disclosed is apparatus for carrying out the respective aspects of the method.

REFERENCES:
patent: 3307339 (1967-03-01), Porter
patent: 3315458 (1967-04-01), Alexander
patent: 3903680 (1975-09-01), Isern
patent: 4170103 (1979-10-01), Norris

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