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1. WO2012068697 - A METHOD AND APPARATUS FOR CONTROLLING A JET LOOM

Publication Number WO/2012/068697
Publication Date 31.05.2012
International Application No. PCT/CH2011/000284
International Filing Date 24.11.2011
IPC
D03D 47/30 2006.01
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
47Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
28wherein the weft itself is projected into the shed
30by gas jet
D03D 47/34 2006.01
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
47Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
34Handling the weft between bulk storage and weft-inserting means
D03D 47/36 2006.01
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
47Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
34Handling the weft between bulk storage and weft-inserting means
36Measuring and cutting the weft
CPC
D03D 47/304
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
47Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
28wherein the weft itself is projected into the shed
30by gas jet
3026Air supply systems
3033Controlling the air supply
304Controlling of the air supply to the auxiliary nozzles
D03D 47/36
DTEXTILES; PAPER
03WEAVING
DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
47Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
34Handling the weft between bulk storage and weft-inserting means
36Measuring and cutting the weft ; ; Devices for measuring and temporary storing the weft
Applicants
  • USTER TECHNOLOGIES AG [CH]/[CH] (AllExceptUS)
  • TOYOTA INDUSTRIES CORPORATION [JP]/[JP] (AllExceptUS)
  • ALBRECHT, Mark John [CH]/[CH] (UsOnly)
  • MEDER, Carsten [DE]/[CH] (UsOnly)
  • PIRANI, Peter [CH]/[CH] (UsOnly)
  • STORZ, Rafael [DE]/[CH] (UsOnly)
  • SUZUKI, Toru [JP]/[JP] (UsOnly)
  • INAMURA, Takahiro [JP]/[JP] (UsOnly)
  • OKUDA, Taijiro [JP]/[JP] (UsOnly)
Inventors
  • ALBRECHT, Mark John
  • MEDER, Carsten
  • PIRANI, Peter
  • STORZ, Rafael
  • SUZUKI, Toru
  • INAMURA, Takahiro
  • OKUDA, Taijiro
Priority Data
1987/1025.11.2010CH
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A METHOD AND APPARATUS FOR CONTROLLING A JET LOOM
(FR) PROCÉDÉ ET APPAREIL DE COMMANDE D'UN MÉTIER À TISSER À JET
Abstract
(EN)
A method for controlling a jet loom (1) is proposed. The jet loom (1) contains a plurality of relay nozzles (33) arranged along a fluid feed conduit (8). A weft yarn (93) is introduced into the fluid feed conduit (8), the relay nozzles (33) are actuated so as to eject time- staggered fluid pulses which produce a fluid flow in the fluid feed conduit (8), and the weft yarn (93) is conveyed by the fluid flow through the fluid feed conduit (8). The relay nozzles (33) are actuated based on a local distribution of characteristics within the respectively conveyed weft yarn section (93). Thus, the energy and air consumption of the jet loom (1) are reduced and the productivity of the jet loom (1) is increased
(FR)
L'invention concerne un procédé de commande d'un métier à tisser à jet (1). Le métier à tisser à jet (1) comporte une pluralité de buses-relais (33) disposées le long d'un conduit d'acheminement de fluide (8). Un fil de trame (93) est introduit dans le conduit d'acheminement de fluide (8), les buses-relais (33) sont actionnées de manière à éjecter des impulsions de fluide échelonnées dans le temps qui produisent un écoulement de fluide dans le conduit d'acheminement correspondant (8), et le fil de trame (93) est transporté par l'écoulement de fluide dans le conduit d'acheminement de fluide (8). Les buses-relais (33) sont actionnées en fonction d'une répartition locale des caractéristiques de la section de fil de trame (93) respective transportée. Ce système permet de réduire la consommation d'énergie et d'air du métier à tisser à jet (1) et d'accroître sa productivité.
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