Textiles: weaving – Warp manipulation – Shedding
Patent
1996-08-22
1998-06-09
Falik, Andy
Textiles: weaving
Warp manipulation
Shedding
D03C 1300, D03C 322
Patent
active
057621128
ABSTRACT:
A shedding device for looms includes healds each having a first end and a second end; and a piston-cylinder system for guiding warps in the healds by moving the healds between a top shed position and a lower shed position. The piston cylinder system includes: pistons each being connected at one end thereof to the second end of a corresponding one of the healds; and cylinders, each piston being reciprocatingly disposed in a corresponding one of the cylinders. The device further includes a system block, the cylinders defining bores in the system block; a guide block defining guide bores therein, the first end of each of the healds being guided in the guide bores of the guide block; a regulating pressure arrangement for actuating the pistons within the cylinders alternatingly between the top shed position and the lower shed position, the regulating arrangement including an arrangement for producing a return force on the pistons thereby bringing respective ones of the healds to their lower shed position. The arrangement for producing includes: a feed line connecting the pressure medium source to the cylinders on an upper side of the pistons; and a valve arrangement disposed in the feed line. A guide bore cleaning system is provided for periodically cleaning the guide bores with pressure medium. The cleaning system includes a common feed line connecting a source of the pressure medium to the guide bores; and a valve arrangement disposed in the common feed line.
REFERENCES:
patent: 3853150 (1974-12-01), Romano
patent: 4125135 (1978-11-01), Ebisch
patent: 5360038 (1994-11-01), Sano
patent: 5390709 (1995-02-01), Martonffy
AGM Aktiengesellschaft Muller
Falik Andy
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