Leno device with a thread guide eyelet

Details Leno device with a thread guide eyelet Leno device with a thread guide eyelet

1997-11-03

1999-07-13

Falik, Andy

Textiles: weaving

Warp manipulation

Traversing

139 50, D03C 704

Patent

active

059212861

ABSTRACT:
A thread guide formed as a guide eyelet especially for a leno disk has an entrance with an opening angle (.alpha.) and an exit with an opening angle (.beta.). The entrance and exit are interconnected by a guide bore or hole (6) surrounded by a curved bore ring surface or bead (9). The entrance and exit each have a recess (4, 5) surrounded by a respective rim portion (7, 8) of a rim surrounding the thread guide eyelet (2A, 2B). Each rim portion (7, 8) has an edge with a curved ring surface (R1 and/or R3) surrounding the respective entrance (10) and exit (11). The entrance and exit curved ring surfaces are spaced from the bore ring surface or bead (9) so that a thread passing through the thread guide has a small surface area contact with these curved ring surfaces to reduce friction while providing a positive guidance for the thread.

REFERENCES:
patent: 1055191 (1913-03-01), Ledoux et al.
patent: 3981331 (1976-09-01), Camprubi
patent: 3998247 (1976-12-01), Kovar
patent: 4043623 (1977-08-01), Rausch et al.
patent: 4103716 (1978-08-01), Cornellier
patent: 5518039 (1996-05-01), Haeussler et al.
patent: 5524678 (1996-06-01), Haeussler et al.

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