A back rest for guiding warp threads (10) in a weaving machine with a back rest profile (2) provided of a guide section (11) for guiding warp threads (10) wherein the back rest (1) comprises a resilient force element (3) for supporting the back rest profile (2). The back rest profile (2) is arranged pivotable at a s...

A drive mechanism for driving a heald frame (1) of a weaving machine the drive mechanism (2) comprising a sensor device(20) wherein the sensor device (20) comprises at least three members comprising both a target set with one or more targets (21 22) and a detector set with one or more detectors (23) wherein one of t...

A drive mechanism for driving a heald frame (1) of a weaving machine the drive mechanism (2) comprising a crank (3) rotating about a crank axis (4) a coupling rod (5) and a swivel lever(6) having a first arm (8) and a second arm (9) wherein the coupling rod (5) is linked to the first arm(8) of the swivel lever (6) b...

Heald frame transverse element weaving machine and method wherein fastening means are provided for fastening a reinforcement profile (10) in a receiving section (9) of a transverse element (2) wherein a fastening by the fastening means is achieved by relative rotation of the reinforcement profile (10) and the receiv...

A storage element with a cavity (40), wherein the cavity (40) is provided with a substantially flat shape and the transverse width between the sidewalls (41, 42) of the cavity (40) decreases slightly in the longitudinal direction (L) of the cavity (40) toward the outlet (22), so that the weft thread stored in t...

The invention relates to a method and a device for observing a movement profile of at least one driven element of a weaving machine, preferably of at least one heald shaft (1), comprising the steps: detection of at least one measured value, preferably of a plurality of measured values, wherein at least one actual po...

The invention relates to a device for removing weft thread wherein the device (1) comprises a first unit (9) for generating a pneumatic tensile force on a weft thread (10 11) and a second unit (19) for generating a mechanical tensile force on a weft thread (10 11) wherein in the movement direction (A) of the weft th...

Shed forming device comprising a number of drive levers (4 33) and a number of transmission mechanisms (2 34) wherein each transmission mechanism (2 34) can drive a heald frame (3) and can be driven by a driving device (14) via a drive lever (4 33) wherein the transmission mechanism (2 34) and the drive lever (4 33)...

Device and method for catching and stretching a weft thread (2) inserted into a shed of a weaving machine wherein a weft thread stretching device (7) is arranged stationary on the weaving machine in an extension of an insertion path of the weft thread (2) and a guiding device (10) is adapted for limiting a displacem...

Weaving machine and method for lubricating a weaving machine that comprises a first lubricating system (6) and a second lubricating system (9) wherein the first lubricating system (6) supplies a first lubricating fluid (7) to elements (44) of a first machine device (8) and the second lubricating system (9) supplies ...

Method and device for feeding weft thread (2) in a weaving machine wherein a reference moment in the weaving cycle is determined that is a measure of the stretching moment in which during the insertion of weft thread (2) into the weaving shed (6) the weft thread (2) stored in the storage element (11) changes from st...

Weaving machine and gripper opener for opening a gripper clamp (14) of a gripper (2 3) comprising a strip shaped opener element (22) and a guide (21) wherein the strip shaped opener element (22) is provided with a first coupling element (28) and a second coupling element (79) which are arranged centrally and are pos...

The invention relates to a weft feeder device with a winding drum (2) having an adjustable winding circumference for storing weft thread (10) the winding drum (2) comprising a base structure (5) and at least one moveable finger (7 8 9) wherein the at least one moveable finger (7 8 9) is mounted on the base structure...

The invention relates to a weft feeder device with a winding drum (2) having an adjustable winding circumference for storing weft thread (10) the winding drum (2) comprising a base structure (5) at least one moveable finger (7 8 9) and a driving system (20) comprising a first pinion (21) wherein the at least one mov...

This invention relates to a stretching device for stretching a weft thread (6) that has been inserted into a weaving shed (32) in a weaving machine wherein the stretching device (3) is arrangeable opposite to a U shaped insertion channel (5) of a reed (1) wherein the stretching device (3) comprises a first blowing n...

Weaving machine device and method for tucking a thread end (11 12 24 25) of a weft thread (10) into a subsequent shed (15) which thread end (11 12 24 25) extends outside a shed (15) wherein thread ends (11 12 24 25) are tucked into a subsequent shed (15) by means of a tucking device (13 14 28 29) wherein a thread en...

Weaving machine method and back rest device for guiding warp threads (7) coming from a warp beam (10) comprising a first guiding bar (3) a mounting device (4) a second guiding bar(5 105) which in use is arranged in parallel to the first guiding bar (3) and upstream of the first guiding bar (3) for deflecting warp th...

A pressure regulator device (17) for an airjet weaving machine comprising a pilot controlled first pressure regulator (2) wherein the pressure regulator device (17) comprises a second pressure regulator (3) for regulating the settable pilot pressure of the pilot controlled first pressure regulator (2). An air supply...

Device and method for clamping a weft thread (6) in a weaving machine the device (1) comprises a central clamping element (10) a first outer clamping element (15) a second outer clamping element (16) and a drive device (22) that is adapted for displacing the central clamping element (10) from an intermediate positio...

The invention relates to an air supply unit (1) for supplying air to a blowing device (3) of an airjet weaving machine with a main body (2) comprising a main duct (4) for supplying air at a first pressure from an inlet (7) to an outlet (8) a secondary duct (9) for supplying air at a second pressure from an inlet (13...

A method for supplying air and an air supply system for an airjet weaving machine wherein the air supply system (1 ) comprises a pilot controlled first pressure regulator (2) and wherein the air supply system (1 ) comprises an open loop control unit (21 ) arranged for controlling a control variable for the pilot con...

Air supply system having a pilot controlled pressure regulator (2) with an actuator (19) and a valve element (18) wherein the actuator (19) is loaded by a load of a pilot pressure exerted against the load of an output pressure and wherein a setting device (67) for setting the pilot pressure and a force enlarging dev...

Rapier for a gripper weaving machine and gripper weaving machine wherein the rapier (1) comprises a gripper band (2) and a wear resistant element (20) which is added to the gripper band (2) the gripper band (2) comprises a stiff top (10) to which the wear resistant element (20) can be connected the stiff top (10) an...

Method for inserting a weft thread (4, 5) into a shed of an airjet weaving machine which comprises a main nozzle device (70) and at least one set of relay nozzles (11 to 19), wherein a standard setting for a supply of compressed air to the main nozzle device (70) and/or to the at least one set of relay nozzles (11 t...

Receiving gripper (40), feed gripper (10) and device (1) for a gripper weaving machine, wherein a thread separator (45), which allows two weft threads (2, 3) to be separated from each other, is arranged in the region of the leading end (44) of the receiving gripper (40), wherein there is arranged, in proximity t...

Method and device for monitoring an insertion system (10) for a weaving machine, in which the device (1) comprises a sensor device (2) for measuring at least one actual value of a fluid stream and a processing device (6) connected to the sensor device (2) for comparing a measured actual value of the fluid stream wit...

A gripper unit (1) with a gripper (2, 8) comprising a thread holder (20) and a pneumatic actuator (21) for opening and/or closing the thread holder (20), wherein a valve (22) for controlling a compressed air supply to the pneumatic actuator (21) is provided on the gripper (2, 8). A control system (6) and a weaving m...

Device and method for catching and stretching a weft thread (75) inserted through a guide channel (4) into a shed (69) of a weaving machine with a pneumatic suction nozzle (6), a thread clamp (7) and a guide element (8) for guiding the weft thread (75), wherein the guide element (8) is attached in order to deflect t...

Drive and method for driving a gripper carrier (2) for a bringer gripper (3) and a gripper carrier (4) for a taker gripper (5) by means of a drive (1) which drive (1) comprises a common drive motor (6) for two drive mechanisms (10 11) and two drive wheels (14 15) each driven by an associated drive mechanism (10 11) ...

Device and method for monitoring a weft thread in a weaving machine comprising a second weft thread detector (10) for providing a signal when an inserted weft thread exceeds its length by a predetermined amount and an air guide channel (11) located upstream of the second weft thread detector (10) wherein the second ...

The invention relates to a weft feeder device comprising a winding drum (2) with an adjustable winding circumference and a wireless power transmission system (90) the wireless power transmission system (90) comprises a primary side system (91) comprising a signal generator (92) and a secondary side system (95) compr...

The invention relates to a weft feeder device with a winding drum (2) having an adjustable winding circumference for storing weft thread (10) and a center axis (4) the winding drum (2) comprising a base structure (5) and at least one moveable finger (7 8 9) wherein the at least one moveable finger (7 8 9) is mounted...

Blocking device witha number of blocking elements(41) wherein each blocking element (41)is assigned to one drive mechanism(2) wherein each blocking element (41)is moveable between aweaving place and a blocking place wherein each blocking element (41)in its blocking place interacts with the assigned drive mechanism (...

Lubrication system for a drive system (2) of a weaving machine comprising a lubricant fitting (42) adapted to be mounted to the first end of the first lubricant channel (37) for rotation with the shaft (18) and a connection piece (31) adapted to be arranged stationary at the housing (19), the connection piece (31) c...

Waste end stretching device for a weaving machine with a suction nozzle (32) provided with a lateral suction slit (34) extending along the longitudinal direction (52) of the suction nozzle (32) for sucking waste ends (28) and with an opening (35) provided at a first end (58) of the suction nozzle (32) facing the edg...

Sensor system for sensing a weft thread (4,5) that is being inserted in the weft insertion direction (D), in at least a first zone (Z1); the sensor system comprising: a plurality of light emitters comprising at least a first and a second light emitter (110,120) configured for emitting light (L1,L2) in the first zone...

Weft feeder device with a winding drum (5) havingat least one drum segment (17 19 21; 27 29 31) with a central rod (47 49) extending in a radial direction with respect to the drum axis (9) wherein the at least one drum segment (1719 21; 27 29 31) is moveably mounted to a guide structure (25 35) wherein the drive mec...

Thread braking device for a weft feeder device (1) comprising a annular braking band (15) for forming a braking zone (16) for a weft thread (7), wherein the braking band (15) is supported by the support structure (17), wherein the support structure (17) is at least partly elastically deformable by an axial force exe...

A backrest assembly for pile warp threads (13) in a terry weaving machine (1), wherein a tension roller (16) is arranged to guide the pile warp threads (13), wherein the support beam (33) is mounted so as to be rotatable to-and-fro about a support beam axis (34), wherein the tension roller (16) is supported in paral...

A fabric support (1) for a weaving machine with a support profile (12) and with at least one support table segment (11), wherein the support profile (12) has an elongated base section (14) adapted for being fastened to a frame (2) of the weaving machine and a support table section (15) formed integrally with the elo...

The invention relates to a method and a device for determining a movement parameter of a gripper (3 5) in a gripper weaving machine wherein the gripper (3 5) can be driven to move back and forth using a transmission part (31 32) wherein a drive element (12 26) rotating with a drive shaft (7) of the gripper wea...

A moveable lever (3) for a thread clamp (2) for a gripper (1) of a gripper weaving machine, the moveable lever (3) having a first contact surface (4) for cooperating with a second contact surface (6) of a counter-element (5) arranged opposite to the first contact surface (4), wherein the first contact surface (4) is...

Weaving machine method and auxiliary nozzle for supporting a weft thread (1 2) which comprises a hollow needle (11) wherein the hollow needle (11) comprises a tip (12) an outflow opening (13) for an air jet (7) and a side wall (14) wherein the outflow opening (13) is arranged to direct the air jet (7) to a weft inse...

Gripper band (1) for a gripper weaving machine with a first part (13),a second part (14)and two longitudinal ribs (21), wherein a thickness of the second part (14) near a centerline (31) of the gripper band (1) is larger than a thickness of the first part (13) near the centerline (31) of the gripper band (1), and in...

Device for catching and stretching a weft thread (3) inserted into a shed of a weaving machine, comprising a weft thread stretching device (28), a guiding device (25), and a weft thread holding device(27) comprising a first suction nozzle (11) that is arranged stationary on the weaving machine in an extension of an ...

Nozzle arrangement and mounting device for mounting a nozzle arrangement (1) on an air-jet weaving machine, the mounting device (5) comprising a guide sleeve (23) with a guide recess (25) with at least N side surfaces (55), and a front nozzle support (16) with a positioning part (17) with at least N contact surfaces...

Driving device comprising a drive shaft (5) with a drive axis (7), at least one actuator (31) exerting a drive torque on the drive shaft (5), wherein a required drive torque varies with an angular position of the drive shaft (5), and an assisting device (33) with a first magnet arrangement (35) and a second magnet a...

The invention relates to a connecting rod (11, 14, 20, 22) for a drive mechanism for a harness frame of a weaving machine comprising a profile with across-section having two long sides (45, 46) and two narrow sides(47, 48),and with a first end (42), and a connector (41, 43) attached to the first end (42) of the prof...

The invention relates to a rapier wheel for a rapier weaving machine having an inner ring (20), an outer ring (21), and a number of spokes (22, 23), wherein the inner ring (20) is configured for mounting the inner ring (20) to a drive shaft (10), wherein the outer ring (21) is provided with teeth (210) configured fo...

The invention relates to a device for setting a position of a stationary guide (1) for guiding a rapier on a weaving machine, the device (2) comprising a first support part (3) and a second support part (4), wherein for setting an orientation of the first support part (3) with respect to the second support part (4),...

The invention relates to a method for determining a configuration of a drive mechanism (2) having a moving element (12, 16, 17, 20, 21, 22) for driving a heald frame (1), wherein the sensor device (40) comprises a target set (41) provided on the moving element (12, 16, 17, 20, 21, 22) with an upper target (43) and a...

The invention relates to a drive system (1) for a weaving machine comprising a first drive gear wheel (2) for driving a first group of elements, a second drive gear wheel (3) for driving a second group of elements, a switching gear wheel (4), wherein the switching gear wheel (4) is displaceable between a first posit...

The invention relates to a drive system (1) for a weaving machine comprising a first drive gear wheel (2) for driving a first group of elements, a second drive gear wheel (3) for driving a second group of elements, a switching gear wheel (4), wherein the switching gear wheel (4) is displaceable between a first posit...

The invention relates to a device for forming a leno weave in a weaving machine, the device comprising an endless support element (6) guided along an elongated endless path and a thread guide (7) mounted to the endless support element (6), wherein the endless support element (6) is supported by a pulley (9, 10), and...

The invention relates to a gripper (1) for a rapier weaving machine, wherein the gripper (1) comprises a gripper body (2) and a clamping device (3) for clamping a weft thread, wherein the gripper body (2) comprises a base section (20), a first side section (21) adjoining the base section (20), a second side section ...

The invention relates to a lubrication device (2, 3) for a rapier (10) with a detection device (21, 33) and a method for detecting a consumption of a lubrication element (4) for a rapier (10) of a gripper weaving machine, wherein an alert state prior to the lubrication element (4) being entirely consumed is detected...

The invention relates to a device (1) for selecting and presenting weft threads to an insertion element (103) of a weaving machine comprising a holding plate (2) and a number of weft feeder modules (3), each weft feeder module (3) comprising a weft feeder element (4) with a weft thread guide (5) at its distal end, a...

The invention relates to a device (1) for selecting and presenting weft threads to an insertion element of a weaving machine, the device (1) comprising a weft feeder element (4), wherein the weft feeder element (4) is mounted so as to be moveable between a rest position and a presenting position, and wherein the dev...

The invention relates to a frame (21) for a weaving machine comprising a mounting bar arranged above a fabric area (13) which mounting bar is configured so that weaving machine devices (61 62 63 64 65 66) can be fixed thereto wherein the mounting bar is a longitudinal profile (11) having a longitudinal groove...

The invention relates to a frame (21) with a blowing system (9) for removing process dust from a fabric area (13) on a weaving machine the frame (21) comprising a mounting bar arranged above the fabric area (13) wherein the mounting bar is a tubular profile (11) adapted to serve as a conduit for a fluid for the bl...

The invention relates to a fork element for a gripper drive system (1) for a weaving machine comprising a first bearing seat (10) a second bearing seat (11) and a main body (12) with a coupling element (13) configured for coupling the fork element (5) to a crank (4) of the gripper drive system (1) wherein the sec...

The invention relates to a fabric take-up device comprising a take-up roller (2), a pressure roller (3), a rod (4) inserted in the pressure roller (3), and a lever (5), wherein the rod (4) has a first end (41) protruding from the pressure roller (3), a second end (42), and an elongated part (43) that elongates betwe...