EP0879307B1 - Dispositif pour l'amenee d'air comprime a une buse de soufflage principale d'un metier a tisser a air - Google Patents

Dispositif pour l'amenee d'air comprime a une buse de soufflage principale d'un metier a tisser a air Download PDF

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Publication number
EP0879307B1
EP0879307B1 EP97901077A EP97901077A EP0879307B1 EP 0879307 B1 EP0879307 B1 EP 0879307B1 EP 97901077 A EP97901077 A EP 97901077A EP 97901077 A EP97901077 A EP 97901077A EP 0879307 B1 EP0879307 B1 EP 0879307B1
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EP
European Patent Office
Prior art keywords
air supply
supply block
valve
compressed air
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97901077A
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German (de)
English (en)
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EP0879307A1 (fr
Inventor
Jozef Peeters
Jean-Marie Bamelis
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Picanol NV
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Picanol NV
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Filing date
Publication date
Application filed by Picanol NV filed Critical Picanol NV
Publication of EP0879307A1 publication Critical patent/EP0879307A1/fr
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Publication of EP0879307B1 publication Critical patent/EP0879307B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/306—Construction or details of parts, e.g. valves, ducts
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3053—Arrangements or lay out of air supply systems

Definitions

  • the invention relates to a device for feeding Compressed air to a main blowing nozzle of an air weaving machine by means of switchable and / or adjustable valves with a Compressed air supply device is connected.
  • a main blowing nozzle (and an auxiliary main blowing nozzle) compressed air under high pressure during the insertion of a weft fed.
  • the Main blowing nozzle (and the auxiliary main blowing nozzle) compressed air with one lower pressure is supplied, which is dimensioned that the weft does not fall out of the main blowing nozzle.
  • the compressed air at high pressure is supplied via a line to the Main blowing nozzle fed, which is a throttle valve and a shut-off valve contains.
  • the compressed air with lower pressure will supplied via a line that the shut-off valve and Throttle valve bypasses and which contains its own throttle valve.
  • the invention has for its object a device to create the response time between opening the shut-off valve and the actual one Feeding compressed air at high pressure keeps it low.
  • an air supply block is provided, which is connected to a distribution reservoir of the compressed air supply device connected input and one to the main blowing nozzle connected output, and the input and the Contains output connecting channels, to which all the aforementioned valves are assigned are.
  • the air supply block has a main channel connecting the inlet and outlet, to which a shut-off valve and / or a throttle valve are assigned, and a bypass channel e bypassing the shut-off valve n to which a throttle valve is assigned.
  • valves have pistons in the bores of the air supply block are displaceable and their drives on the air supply block are attached.
  • the air supply block with the valves thus forms a compact unit, which as such can be assembled and, if necessary, also exchanged.
  • the air supply block is attached to a distribution reservoir is. This also eliminates a line connection between the distribution reservoir and the air supply block, since this is direct with its entrance to an outlet opening of the distribution reservoir can be connected.
  • a preferably giving electrical signals Pressure sensor is arranged after the valves.
  • the function and / or setting are monitored by shut-off valves and throttle valves.
  • the air supply block is provided with an electrical plug part to the valves and / or the pressure sensor leading electrical lines are connected and to the one or more connector parts can be plugged in to one Control unit leading lines are provided.
  • the air supply block is provided with an electrical plug part to the valves and / or the pressure sensor leading electrical lines are connected and to the one or more connector parts can be plugged in to one Control unit leading lines are provided.
  • the air weaving machine only indicated in FIG. 1 contains one Sley 1, on which a total of three main blowing nozzles 2, 3, 4 are arranged are. There is also a profile reed 5 on the sley attached, which forms a U-shaped weft insertion channel. This weft insertion channel are not shown in detail Assigned so-called relay nozzles.
  • the weaving machine contains also a distribution reservoir 6 for compressed air which devices 7, 8, 9 for supplying compressed air the main blowing nozzles 2, 3, 4 are arranged, which with the Main blowing nozzles 2, 3, 4 by means of (flexible) lines 10, 11, 12 are connected. As further shown in Fig.
  • main blowing nozzles 2, 3, 4 usually each auxiliary main blowing nozzles 13, 14, 15 upstream, which with the lines 10, 11, 12 are connected so that you in the same way as the Main blowing nozzles 2, 3, 4 compressed air is supplied.
  • the stationary arranged auxiliary main blowing nozzles 13, 14, 15 each work together with the associated main blowing nozzles 2, 3, 4 to enter a weft 16, 17, 18.
  • the devices 7, 8, 9 of FIGS. 2, 4 and 5 each contain an air supply block 19, one for the compressed air Has input 20 and an output 21.
  • a main duct 22 in the air supply block 19 provided that of two perpendicular to each other extending holes is formed.
  • a switchable shut-off valve 23 and a first adjustable Throttle valve 24 is provided.
  • a bypass duct in the air supply block 19 25 provided that the shut-off valve 23 and bypasses first throttle valve 24.
  • a second adjustable throttle valve 26 is provided. The entrance of the bypass channel 25 closes between the entrance 20 of the air supply block 19 and the shut-off valve 23 the main channel 22.
  • the exit of the bypass channel 25 opens out between the shut-off valve 23 and the outlet 21 of the Air supply block 19 in the main duct 22.
  • the bypass duct 25 is through two perpendicular holes of the air supply block 19, one of which is perpendicular to the first part of the main channel 22 and the other perpendicular runs to the second part of the main channel 22.
  • the first throttle valve 24 is located in the flow direction immediately after the shut-off valve 23. This has the advantage that the air flow rate at a certain flow opening flows through the shut-off valve 23 is larger than if the first throttle valve 24 upstream of the shut-off valve 23 would be arranged.
  • the throttle valve 24 is arranged close to the shut-off valve 23 so that when opening of the shut-off valve 23, the pressure build-up at the outlet 21 of the Air supply block 19 quickly reaches the desired value, which is set by means of the throttle valve 24.
  • the section of the main channel 22 before the shut-off valve 23 is large-volume executed to negligible drag to make small.
  • the section of the main channel 22 after the Shut-off valve 23 should not have a large volume so that the Pressure builds up quickly. To keep the air resistance low hold is at least this section of the main channel 22 just executed.
  • the shut-off valve 23 has one in a bore in the air supply block 19 displaceable piston 27, which by means of a electric drive 28 is reciprocable.
  • the drive 28 consists for example of a switchable electromagnet, the piston 27 depending on the applied Tension moved in either direction.
  • the drive 28 is with fasteners, not shown attached to the air supply block 19.
  • the piston 27 is the beginning of the section of the main duct leading to the outlet 21 22 deliverable. The beginning of this section of the main channel 22 is surrounded by a sealing ring 29 against which the piston 27 abuts to keep the flow of compressed air in to shut off the main channel 22.
  • Between the drive 28 and the air supply block 19 is provided with a sealing ring 30, which prevents the escape of compressed air.
  • the first throttle valve 24, which determines the pressure with which a weft thread is inserted contains a piston 31 which is displaceable in a bore of the air supply block 19.
  • the piston 31 can be moved back and forth by means of a drive 32.
  • the drive 32 preferably contains a switchable Stepper motor that rotates into a linear motion a plunger 33, which is connected to the piston 31 is.
  • the drive 32 is with fasteners, not shown attached to the air supply block 19.
  • the piston 31 is provided with a sealing ring 34 to prevent Compressed air can escape along the piston 31. The throttling the compressed air flowing in the main duct 22 is thereby causes the piston 31 into the main channel 22nd moved in and thus the flow cross section of the main channel 22 limited.
  • the second throttle valve 26, which is used to set the lower Pressure, contains one in a bore of the feed block 19 displaceable piston 35 by means of a drive 36 can be moved back and forth with a valve seat 37 cooperates, arranged stationary in this hole is.
  • the drive 36 preferably includes one Stepper motor that rotates into a linear motion implements a plunger 38 which is connected to the piston 35 is.
  • the drive 36 is with fasteners, not shown attached to the air supply block 19.
  • the piston 35 is provided with a sealing ring 39 to prevent that compressed air escapes along the piston 35.
  • the throttling is caused by a flow opening between the piston 35 and the valve seat 37 by sliding of the piston 35 is changed.
  • the piston 35 contains one another sealing ring 40, which cooperates with the valve seat 37, a flow of compressed air through the bypass duct 25 shut off.
  • shut-off valve 23, the throttle valves 24 and 26, the main channel 22 and the bypass channel 25 have been chosen so that only a small number of holes must be attached in the air supply block 19. Unless it is these are through holes through which none If compressed air is to escape, the bores are equipped with plugs 41, 42 and 53 closed.
  • stepper motors the rotational movement of which in one linear movement of a plunger 33, 38 is implemented it, the pistons 31 or 35 in very small increments adjust so that the throttling effect of the throttle valves 24 or 26 is very finely adjustable in a simple manner.
  • the electrical connecting lines 43, 44, 55 for the drives 28, 32, 36 are only shown schematically Plug part 46 performed, which is attached to the air supply block 19 is. As shown only schematically in FIG. 1, are correspondingly designed connector parts on the connector part 46 attachable, which are provided with cables 47, 48, 49, which to a control unit 50 of the air jet loom to lead.
  • the shut-off valve 23 opened so that compressed air from the distribution reservoir 6 via the main channel 22 and the subsequent line 10, 11 or 12 to the main blowing nozzle 2, 3, 4 and also flows to the associated auxiliary main blowing nozzle 13, 14, 15.
  • the pressure level of the compressed air in the area of the outlet 21 of the Main channel 22 is by the position of the piston 31 of the Throttle valve 24 determines. By changing the position the amount of this pressure can be changed.
  • the shut-off valve is partially inserted 23 closed. After that only compressed air flows from the distribution reservoir 6 through the bypass channel 25 to the concerned Main blower. In this case, the pressure level of the Compressed air in the area of the outlet 21 by the position of the Piston.
  • the height of the pressure specified by the second throttle valve 26 is small and determined in such a way that only the amount of Compressed air and with such a pressure level to the concerned Main blowing nozzle flows enough to insert a weft in to keep the main blowing nozzle safe.
  • the air supply block 19 an electrical pressure sensor 52 is assigned, which makes it possible to the amount of pressure of the compressed air after the two adjustable throttle valves 24, 26 to measure.
  • the electric one Pressure sensor 52 provides a corresponding one to the measured pressure level electrical signal that enables the temporal To capture the course of the pressure.
  • the pressure sensor 52 is by means of holes 51 of the air supply block 29 to the Main channel 22 connected near the output 21. A the bores that run perpendicular to each other are included a plug 53 closed. It is also a Plug system 54 is provided, which is attached to the air supply block 19 and with which the pressure sensor 52 on the air supply block 19 can be attached.
  • This plug system 54 does not include seals shown in detail, which prevent compressed air can escape through this connector system 54 if the pressure sensor 52 has been removed.
  • the pressure sensor 52 is over an electrical line 55 with the plug part 46 and over the associated plug-in connector with the control unit 50 connected to the loom. In a different embodiment is the line 55 directly to the control unit 50 connected.
  • the pressure sensor 52 detects the pressure level of the compressed air at a point behind the Throttle valves 24, 26 is located so that it is the height of the pressure measures that is approximately equal to the amount of pressure at the outlet 21 of the air supply block 19, i.e. almost the same the amount of pressure caused by the adjustment of the throttle valves 24 or 26 is determined and with which the compressed air Main blowing nozzles is fed. It is possible with that Throttle valves 24 and 26 on the basis of the pressure measurement set correctly with the pressure sensor 52.
  • the desired Pressure level is entered into the control unit by means of an input unit 56 50 entered the drives 32, 36 of the throttle valves 24, 26 controls such that the actual pressure level corresponds to the preselected pressure level.
  • the pressure height during weaving can, for example, be that in the diagram 3 have the pressure curve 66 shown.
  • the electrical pressure sensor 52 measures the pressure P over time T, so that this pressure curve 66 on a display device 57 can be reproduced, which is connected to the control unit 50 is.
  • Such an electrical pressure sensor 52 who recorded the pressure curve as a function of time the advantage over a classic manometer that the The amount of pressure and the course of pressure determined during weaving and can also be set without this the loom must be turned off.
  • the pressure curve 66 has a section with a low head, which is characterized by the Throttle valve 26 is determined, and a section with large Pressure level, which is determined by the throttle valve 24.
  • the control unit 50 may also include means that the Maximum value and the minimum value of the pressure height to the display unit 57 transmitted and displayed there. Furthermore can be the response time of pressure build-up or pressure drop are reproduced on the display unit 57.
  • the response time of the pressure build-up is, for example, the time span between the time when the drive 28 is activated of the shut-off valve 23 for opening and the time at which the pressure level, for example, reaches 90% of the maximum value.
  • a response time for the pressure reduction is, for example the time span between the time of activation of the drive 28 of the shut-off valve 23 for closing and the Time at which the pressure level, for example 50% of their Has reached maximum value. The determination of these times gives Notes on the correct functioning of the shut-off valve 23.
  • the response times and the pressure curve monitored by the control unit 50 over longer periods of time to avoid deviations from original values determine.
  • This enables wear, for example the shut-off valve 23 and / or the throttle valves 24, 26 to detect.
  • the arrangement of a pressure sensor 52 and the resulting possibilities for the Checking and / or setting the pressure curve 66 and hence the valves, is an independent invention that too is advantageous if no air supply block 19 is provided becomes.
  • the pistons are 31 and 35 in offset bores of the air supply block 19 arranged.
  • the piston 31 is in the direction of flow at a point of the main channel 22, which before the mouth of the Bypass channel 25 is.
  • This has the advantage that the maximum pressure level exclusively from the throttle valve 24 and the minimum pressure level exclusively from the throttle valve 26 can be determined.
  • the pressure sensor 52 directly by means of fasteners, not shown attached to the air supply block 19, i.e. under No plug-in system 54.
  • the piston 31 is in comparison to FIG. 2 in one Position in which he protrudes further into the main channel 22.
  • the piston 35 is moved further into the valve seat 37, than in the position according to FIG. 2.
  • This throttle valve 58 contains a piston 59, the is actuated by a drive 61 via a plunger 60.
  • the Drive 61 preferably contains according to drive 32 a stepper motor, its rotary motion into a linear motion is implemented.
  • the drive 61 is electrical Line 62 connected to the plug part 46.
  • Throttle valve 58 is in the bore of the air supply block 19, in which the piston 59 is guided, a sealing ring 63 intended.
  • the pressure sensor 52 offset by 90 ° compared to the pressure sensor 52 of the Devices 7 and 8 arranged, as shown in Fig. 1 is.
  • the pressure sensor 52 is therefore only by means of a straight line Bore 51 connected to the main channel 22.
  • the devices 7, 8 and 9 are directly on the distribution reservoir 6 attached, making additional connecting lines unnecessary makes.
  • the pressure head can be adjusted by means of the respective throttle valves the compressed air fed to the main blowing nozzles 2, 3, 4 can be set differently for each main blowing nozzle, even if the pressure level of the compressed air in the distribution reservoir 6 is the same for all main blowing nozzles. Since each of the invention Devices 7, 8, 9 with a plug part 46 is provided, it is also possible to use the electrical lines 47, 48, 49 to the control unit 50 in a simple manner to arrange.
  • each of the air supply blocks 19 is a connection system 65 provided by means of which the lines 10, 11 or 12 are connected become.
  • a connection system 65 provided by means of which the lines 10, 11 or 12 are connected become.
  • each air supply block 19 has its own pressure sensor 52 provided. However, if the pressure sensor 52 by means of a Plug system 54 is attached to the air supply block 19, so a single pressure sensor 52, which is optional with an air supply block 19 of a device 7, 8 or 9 is coupled.
  • the input unit 56 can then be used Control unit 50 may be notified of which of the devices 7, 8 or 9 the pressure level and / or the pressure curve is measured.
  • each distribution reservoir provided, each with a device 7, 8 or 9 are connected. Every distribution reservoir can then via its own feed line and possibly via its own pressure regulator connected to a compressed air source his.
  • the throttle valve 24 and the shut-off valve 23 combined into a single valve.
  • the piston 31 of the Throttle valve 24 may be shaped such that when it over its throttle positions is moved out, the main channel 22 completely shut off.
  • the shutoff valve can be driven 23 are formed in this way, for example with With the help of a stepper motor, the piston 27 except in the shut-off position adjustable in desired throttle positions is. This means that a single valve is then provided is that both the function of the check valve 23 and that of the throttle valve 24, i.e., that valve shut off the main channel 22 and through the main channel 22 throttling flowing compressed air in a predetermined manner.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (13)

  1. Dispositif (7, 8, 9) permettant d'alimenter en air comprimé la tuyère principale (2, 3, 4) d'une machine à tisser à jet d'air laquelle est reliée à un dispositif d'alimentation en air comprimé par l'intermédiaire de vannes commutables et/ou de vannes réglables ayant les fonctions à la fois d'une vanne d'arrêt commutable (23) permettant d'interrompre ou de mettre en marche le flux d'air comprimé pour l'insertion de la trame, d'une vanne d'étranglement (23, 24, 58) pour l'ajustement du flux d'air comprimé lorsque la vanne d'arrêt est en position ouverte et d'une vanne d'étranglement réglable (26) pour l'ajustement du flux d'air comprimé lorsque la vanne d'arrêt est fermée, caractérisé par le fait qu'il prévoit l'installation d'un bloc d'alimentation en air (19) muni d'une entrée (20) raccordée au réservoir de distribution (6) du dispositif d'alimentation en air comprimé et d'une sortie (21) raccordée à la tuyère principale (2,3,4) et comprenant des conduites (22, 25) qui relient l'entrée (20) et la sortie (21) auxquelles sont associées les vannes (23, 24, 26, 58).
  2. Dispositif conformément à la revendication 1 caractérisé par le fait que le bloc d'alimentation en air (19) comporte d'une part une conduite principale (22) reliant l'entrée (20) et la sortie (21), à laquelle est associée une vanne d'arrêt (23) et/ou une vanne d'étranglement (24) et d'autre part une conduite de dérivation (25) contournant la vanne d'arrêt (23) et à laquelle est associée une vanne d'étranglement (26).
  3. Dispositif conformément à la revendication 1 ou 2 caractérisé par le fait que les vannes (23, 24, 26, 58) sont munies de pistons (27, 31, 35, 59) coulissant dans des alésages du bloc d'alimentation en air (19) et actionnés par des commandes (23, 24, 36, 61) montées sur le bloc d'alimentation en air (19).
  4. Dispositif conformément à l'une des revendications 1 à 3 caractérisé par le fait que les commandes (32, 36, 61) des vannes d'étranglement (24, 26, 58) comportent un moteur pas à pas.
  5. Dispositif conformément à l'une des revendications 1 à 4 caractérisé par le fait qu'une tuyère principale auxiliaire (13, 14, 15) est installée en amont de la tuyère principale (2, 3, 4) et raccordée au bloc d'alimentation en air (19)
  6. Dispositif conformément à l'une des revendications 1 à 5 caractérisé par le fait que le bloc d'alimentation (19) est installé sur un réservoir de distribution (6).
  7. Dispositif conformément notamment à l'une des revendications 1 à 6 caractérisé par le fait qu'un capteur de pression (52) émettant des signaux électriques de préférence est installé en aval des vannes (24, 26).
  8. Dispositif conformément à la revendication 7 caractérisé par le fait que le capteur de pression (52) est installé sur le bloc d'alimentation en air (19) et est relié à la conduite principale par l'intermédiaire d'une conduite (51).
  9. Dispositif conformément à la revendication 8 caractérisé par le fait que le bloc d'alimentation en air (19) est muni d'un dispositif de connexion (54) permettant le raccordement du capteur de pression (52).
  10. Dispositif conformément à la revendication 7, 8 ou 9 caractérisé par le fait que le capteur de pression (52) est relié à l'unité de commande (50).
  11. Dispositif conformément à la revendication 10 caractérisé par le fait que l'unité de commande (50) comporte des moyens (57) permettant l'enregistrement et/ou l'affichage de l'évolution de la pression (66) mesurée par le capteur de pression (52).
  12. Dispositif conformément à l'une des revendications 1 à 11 caractérisé par le fait que le bloc d'alimentation en air (19) comporte un élément de connexion électrique (46) sur lequel sont raccordés des câbles électriques (43, 44, 45, 55, 62) reliés aux vannes (23, 24, 26, 58) et/ou le capteur de pression (52) et sur lequel il est possible de brancher un ou plusieurs éléments de connexion munis de câbles (47, 48, 49) reliés à l'unité de commande (50).
  13. Dispositif conformément à l'une des revendications 1 à 12 caractérisé par le fait qu'une installation de plusieurs tuyères principales (2, 3, 4) est prévue et que chacune de ces tuyères principales (2, 3, 4) peut être équipée d'un bloc d'alimentation (19).
EP97901077A 1996-02-09 1997-01-23 Dispositif pour l'amenee d'air comprime a une buse de soufflage principale d'un metier a tisser a air Expired - Lifetime EP0879307B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
BE9600116A BE1010015A3 (nl) 1996-02-09 1996-02-09 Inrichting voor het toevoeren van perslucht aan een hoofdblazer van een weefmachine.
BE9600116 1996-02-09
PCT/EP1997/000303 WO1997029231A1 (fr) 1996-02-09 1997-01-23 Dispositif pour l'amenee d'air comprime a une buse de soufflage principale d'un metier a tisser a air

Publications (2)

Publication Number Publication Date
EP0879307A1 EP0879307A1 (fr) 1998-11-25
EP0879307B1 true EP0879307B1 (fr) 2002-06-05

Family

ID=3889530

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97901077A Expired - Lifetime EP0879307B1 (fr) 1996-02-09 1997-01-23 Dispositif pour l'amenee d'air comprime a une buse de soufflage principale d'un metier a tisser a air

Country Status (6)

Country Link
US (1) US6062273A (fr)
EP (1) EP0879307B1 (fr)
JP (1) JP4177896B2 (fr)
BE (1) BE1010015A3 (fr)
DE (1) DE59707418D1 (fr)
WO (1) WO1997029231A1 (fr)

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DE29721042U1 (de) * 1997-11-28 1998-02-05 Dornier Gmbh Lindauer Webmaschine, insbesondere Luftdüsenwebmaschine
DE29806552U1 (de) * 1998-04-09 1998-07-09 Dornier Gmbh Lindauer Schußfadeneintragsvorrichtung für eine Luftdüsenwebmaschine
BE1012032A3 (nl) * 1998-06-10 2000-04-04 Picanol Nv Luchttoevoerblok voor een weefmachine.
DE10124290C1 (de) 2001-05-17 2003-01-23 Dornier Gmbh Lindauer Düsenwebmaschine, insbesondere Lüftdüsenwebmaschnine mit einem Schussfadeneintragsystem
US7699289B2 (en) * 2004-12-24 2010-04-20 Picanol N.V. Throttle valve for weaving looms
BE1016504A3 (nl) * 2005-04-25 2006-12-05 Picanol Nv Werkwijze voor het inbrengen van een inslagdraad bij een weefmachine.
EP2319968B1 (fr) 2009-11-09 2013-01-02 ITEMA S.p.A. Système de contrôle de l'air pour l'insertion de fil de trame dans une machine à tisser pneumatique
BE1019803A3 (nl) 2011-04-06 2012-12-04 Picanol Luchttoevoereenheid en werkwijze voor het toepassen van een luchttoevoereenheid.
DE102012208158B3 (de) * 2012-05-15 2013-09-05 Lindauer Dornier Gmbh Luftdüsenwebmaschine mit einer Vorrichtung zur Druckluftversorgung
WO2018049458A1 (fr) * 2016-09-16 2018-03-22 Haas Food Equipment Gmbh Machine d'extrusion de pâte alimentaire

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DE3300934A1 (de) * 1982-01-18 1983-07-21 Rueti Te Strake Bv Verfahren zum eintragen verschiedener schussfaeden von unterschiedlicher garnbeschaffenheit in das webfach einer duesenwebmaschine und duesenwebmaschine zum durchfuehren des verfahrens
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DE102005004064A1 (de) * 2005-01-21 2006-07-27 Picanol N.V. Vorrichtung zum Eintragen von Schussfäden bei einer Luftdüsenwebmaschine
US7726351B2 (en) 2005-01-21 2010-06-01 Picanol N.V. Device for the picking of weft threads in an air jet weaving machine
CN101107391B (zh) * 2005-01-21 2011-02-09 必佳乐有限公司 用于在喷气织机上引入纬纱的装置

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US6062273A (en) 2000-05-16
DE59707418D1 (de) 2002-07-11
BE1010015A3 (nl) 1997-11-04
EP0879307A1 (fr) 1998-11-25
JP2000504788A (ja) 2000-04-18
WO1997029231A1 (fr) 1997-08-14

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