Abstract A weaving machine comprises two sheets of warp threads which are momentarily held in diverging planes to form a weaving shed, and a main blowing nozzle arranged in a position at one side of such shed to introduce a weft thread through such shed by propelling the weft thread by means of a fluid discharged from the nozzle. A reciprocable reed comprises a plurality of blades arranged parallel to the direction of reciprocation, each blade having a notch on its beating edge, such notches being aligned and forming a tunnel less than 8 mm. in diameter which in the retracted position of the reed has one end aligned with the main blowing nozzle. An air injector carried by the reed is mounted in the other end of such tunnel and is adjustable longitudinally of the tunnel to accommodate various widths of cloth being woven, such air injector having a central suction channel arranged to receive the head end of a weft thread propelled through the channel by the main blowing nozzle in order to maintain tension on the weft thread during the beating up movement of the reed.
A weaving machine comprising two sheets of warp threads which are momentarily held in diverging planes to form a weaving shed, and a main blowing nozzle arranged in a position at one side of such shed to propel a weft thread through such shed by means of a fluid discharged from said nozzle, wherein the improvement comprises a. a reciprocable reed comprising a plurality of blades arranged parallel to the direction of reciprocation, each blade having a notch in its beating edge, such notches being aligned and forming a tunnel having a cross-section less than 8 mm. wide which in the retracted position of the reed has one end aligned with the main blowing nozzle, b. an air injector nozzle which is located wholly within said tunnel and has a central suction channel arranged to receive the head end of a weft thread propelled through said tunnel by the main blowing nozzle in order to maintain tension on the weft thread during the beating up movement of the reed, and c. a bracket on which the injector nozzle is mounted, which is slidably secured to the reed and is arranged to locate the injector nozzle in the end of said tunnel remote from the main blowing nozzle in a longitudinally adjusted position to accomodate the width of cloth being woven.
Claim 2
Dependent Claim
220 words
A weaving machine comprising two sheets of warp threads which are momentarily held in diverging planes to form a weaving shed, and a main blowing nozzle arranged in a position at one side of such shed to propel a weft thread through such shed by means of a fluid discharged from said nozzle, wherein the improvement comprises a. a reciprocable reed comprising a plurality of blades arranged parallel to the direction of reciprocation, each blade having a notch in its beating edge, such notches being aligned and forming a tunnel having a cross-section less than 8 mm. wide which in the retracted position of the reed has one end aligned with the main blowing nozzle, b. an air injector nozzle which is located wholly within said tunnel and has a central suction channel arranged to receive the head end of a weft thread propelled through said tunnel by the main blowing nozzle in order to maintain tension on the weft thread during the beating up movement of the reed, and c. a bracket on which the injector nozzle is mounted, which is slidably secured to the reed and is arranged to locate the injector nozzle in the end of said tunnel remote from the main blowing nozzle in a longitudinally adjusted position to accomodate the width of cloth being woven.
Claim 3
Dependent Claim
45 words
A weaving machine according to claim 1, in which a detecting device is provided for detecting the wefts inserted into the transport tunnel comprising a light source and a photoelectric receiver, characterized in that said detecting device is provided in the wall of the injector.