Yarn forming apparatus with mechanical node locking

Details Yarn forming apparatus with mechanical node locking Yarn forming apparatus with mechanical node locking

1978-02-06

1979-10-16

Gorenstein, Charles

Textiles: spinning, twisting, and twining

Apparatus and processes

Alternate twist

28103, 28107, 28139, H01B 1304, D02G 326

Patent

active

041708687

ABSTRACT:
False-twisted yarn strands are separately carried around a guide wheel and the nodes thereof are brought together and locked by mechanical entanglement, after which the strands are self-twisted. Embodiments of entanglement joining devices include reciprocating friction plates which rub the fibers together and twist them, causing joining, the plates being carried on the guide wheel. A needle punching device carried by the wheel is disclosed, the needles being reciprocated by a cam structure within the wheel. In a third embodiment edges of oppositely rotating overlapping discs contact and twist fibers in the node area, causing entanglement.

REFERENCES:
patent: 124828 (1872-03-01), Ladd
patent: 1002177 (1911-08-01), Reynolds
patent: 3434275 (1969-03-01), Barker et al.
patent: 3775955 (1973-12-01), Shah
patent: 4074511 (1978-02-01), Chambley et al.

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