Method and apparatus for the insertion of weft threads
AssigneeSultex AG
InventorChristoph Jenne
Life of this patent
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Abstract
An apparatus (1) for the insertion of weft threads in a weaving machine is presented. The apparatus includes a nozzle holder (9) and, secured thereto, at least one nozzle (3) with a mixing tube (6) for the insertion of a weft thread (2) as well as a clamping device (7) which can be charged with a medium in order to firmly clamp a weft thread which is introduced into the nozzle. In addition the apparatus (1) contains at least one control valve (8) which is arranged at or in the nozzle holder (9) or nozzle (3) in order to control the clamping device (7).
Claims10
An apparatus for the insertion of weft threads in a weaving machine, said apparatus (1) including a nozzle holder (9) and, secured thereto, at least one nozzle (3, 3.1-3.4) with a mixing tube (6, 6.1-6.4) for the insertion of a weft thread (2) as well as at least one clamping device (7, 7.1-7.3) which can be charged with a medium and which is arranged in the region of the nozzle in order to firmly clamp a weft thread which is introduced into the nozzle, characterized in that the apparatus (1) additionally contains at least one control valve (8) which is arranged at or in the nozzle holder (9) or nozzle (3, 3.1-3.4) or clamping device (7, 7.1-7.3) and which is in connection with the clamping device (7, 7.1-7.3) in order to control the charging of the latter.
A method for the insertion of weft threads in a weaving machine by means of an apparatus (1) including a nozzle holder (9) and, secured thereto, at least one nozzle (3, 3.1-3.4) with a mixing tube (6, 6.1-6.4), in said method
- the at least one nozzle for threading in a weft thread (2) being charged with a medium and the weft thread being introduced;
- the weft thread which is introduced into the nozzle being firmly clamped by means of at least one clamping device (7, 7.1-7.3) which is charged with a medium for this purpose;
- the clamping of the weft thread being released prior to the insertion and the weft thread being inserted by means of the nozzle, characterized in that
- the charging of the nozzle (3, 3.1-3.4) for the threading and/or of the clamping device (7, 7.1-7.3) for the firm clamping is controlled by at least one control valve (8) which is arranged at or in the nozzle holder (9), or nozzle (3, 3.1-3.4) or clamping device (7, 7.1-7.3).
Dependencies are inferred from the claim text.