CN1073223A - Defective weft yarn processing method and device thereof in the shuttleless loom - Google Patents

Defective weft yarn processing method and device thereof in the shuttleless loom Download PDF

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Publication number
CN1073223A
CN1073223A CN 92111087 CN92111087A CN1073223A CN 1073223 A CN1073223 A CN 1073223A CN 92111087 CN92111087 CN 92111087 CN 92111087 A CN92111087 A CN 92111087A CN 1073223 A CN1073223 A CN 1073223A
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CN
China
Prior art keywords
weft yarn
mentioned
defective weft
defective
batching
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Pending
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CN 92111087
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Chinese (zh)
Inventor
小掠岳文
金山裕之
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Toyota Industries Corp
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Toyoda Automatic Loom Works Ltd
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Filing date
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Application filed by Toyoda Automatic Loom Works Ltd filed Critical Toyoda Automatic Loom Works Ltd
Publication of CN1073223A publication Critical patent/CN1073223A/en
Pending legal-status Critical Current

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    • DTEXTILES; PAPER
    • D03WEAVING
    • D03DWOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/06Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping
    • D03D51/08Driving, starting, or stopping arrangements; Automatic stop motions using particular methods of stopping stopping at definite point in weaving cycle, or moving to such point after stopping
    • D03D51/085Extraction of defective weft

Abstract

Defective weft yarn processing method of a kind of shuttleless loom and device, the weft detector 6 one that is arranged on anti-picking side end detects the picking failure, nozzle 71 arrives pressure air injection in the weft yarn ingress pipe 72 by supplying gas, guide defective weft yarn, defective weft yarn is held roller 8 clampings, to cut off with the defective weft yarn that the main burner side-line connects by cutting knife 9, take out the defective weft yarn of fabric side by niproll 8 again.When handling defective weft yarn, can prevent to cut off the defective weft yarn of fabric side, simultaneously, in order to prevent that the main burner weft yarn from coming off and long measuring storing yarn at random, behind the defective weft yarn of niproll 8 clampings, make niproll towards doing pre-revolution, adjust defective weft yarn state, cut off with cutting knife 9 then with the corresponding direction of weft yarn kind.

Description

Defective weft yarn processing method and device thereof in the shuttleless loom
The present invention relates to a kind of processing method and device thereof of defective weft yarn, it can cut off the weft yarn (comprising the weft yarn that penetrates by inertia thereafter) of removing the failure of picking in the shuttleless loom, promptly not conform to weft yarn.
The spy open among the clear 62-184146 disclosed in the past the device as shown in Figure 6, the weft detector (not diagram) one that is provided in anti-picking side end detects the picking failure, near the air current spray nozzle B of spout that is arranged on main burner M points to thread-carrier G, to defective weft yarn expulsion pressure air, thread-carrier G is arranged on the direction different with the picking direction, guiding is by in the thread-carrier G, when defective weft yarn Y one arrives the coiling means W with coniform protuberance, coiling means W will move along the direction of arrow among the figure, be crimped onto on the coniform recess A, keep clamping the state of defective weft yarn Y, after, coiling means W revolution, defective weft yarn cutter C cuts off near main burner M.
But, above-mentioned device in the past is to keep defective weft yarn by coiling means W, in this state, cut off defective weft yarn with cutter C, thereby, because the twisted and fluffing of weft yarn etc., the defective weft yarn Y2 that the weft yarn Y1 of main burner side and fabric side often take place be intertwined (with reference to Fig. 5), owing to be the defective weft yarn Y2 that cuts off fabric side, therefore, the defective weft yarn Y2 that existence should be removed stays the problem on the fabric in this case.
In addition, in device in the past, when using that so-called elastic yarn is as weft yarn as elastic filament and core silk, because its elasticity is crooked remarkable during cut-out, the line yarn can takes place come off or problem such as the long measuring storing yarn is at random from main burner M.
The present invention puts forward in view of the existing problem of above-mentioned prior art.The object of the present invention is to provide a kind of defective weft yarn processing method and device thereof, the present invention be conceived to by batch behind the defective weft yarn of means clamping cut off by cutting knife before, with weft yarn kind, twisted, fluffing, the corresponding adjustment clamp position of character, control the state of defective weft yarn with this, the research and development result, reached purpose of the present invention, when handling defective weft yarn, can prevent to cut off the defective weft yarn of fabric side, simultaneously, it is at random with the long measuring storing yarn to prevent that weft yarn from coming off from main burner.
The present invention relates to a kind of defective weft yarn processing method of shuttleless loom, detect the picking failure by the weft detector that is arranged on anti-picking side end, be arranged on the nozzle of supplying gas near the main burner spout point to be configured in picking direction different directions on the weft yarn ingress pipe, the expulsion pressure air, to arrive the means of batching in the defective weft yarn importing weft yarn ingress pipe always, after batching the defective weft yarn of means clamping, cut off the defective weft yarn that connects with the main burner side-line, after, pull out the defective weft yarn that connects with the fabric side-line by the means of batching, it is characterized in that, comprise and adjust operation and cut off operation, adjusting operation is after batching the defective weft yarn of means clamping, with the corresponding direction of weft yarn kind on pre-revolution control batch means, adjust defective weft yarn state, cutting off operation is that above-mentioned adjusted defective weft yarn is cut off.
Defective weft yarn processing method of the present invention, when the defective weft yarn of the means of batching one clamping, with the corresponding direction of weft yarn kind on pre-revolution control batch means, adjust defective weft yarn state in advance, that is, additional suitable tension force when the defective weft yarn of the weft yarn of main burner side and fabric side twines, and when weft yarn is elastic yarn, relax the tension force that is acted on, after this, cut off defective weft yarn.Therefore, the defective weft yarn of fabric side can be prevented to cut off, simultaneously, at random because of coming off of causing of the weft yarn bending from main burner and long measuring storing yarn can be prevented.
The present invention relates to a kind of defective weft processing equipment of shuttleless loom, when the weft detector one that is provided in anti-picking side end detects the picking failure, be arranged on the nozzle of supplying gas near the main burner spout to weft yarn ingress pipe expulsion pressure air, this weft yarn ingress pipe is arranged on the direction different with the picking direction, defective weft yarn is guided in the weft yarn ingress pipe, one arrives the means of batching, by batching the defective weft yarn of means clamping, cut off the defective weft yarn that connects with the main burner side-line by the cut-out means, pull out the defective weft yarn that connects with the fabric side-line by the means of batching again, according to the present invention, this defective weft processing equipment is provided with and batches the adjustment means and cut off control device, batching the adjustment means is when batching the defective weft yarn of means one clamping, just send control signal according to the weft yarn kind, the means of batching being turned round in advance towards the direction of control signal appointment, adjust defective weft yarn state, cutting off control device then is control cut-out means, after adjusting defective weft yarn, with its cut-out.
This defective weft processing equipment, when the defective weft yarn of the means of batching one clamping, batch the adjustment means and just send control signal according to the weft yarn kind, specify gyratory directions according to this control signal, the means of batching are turned round in advance, adjust defective weft yarn state in advance, promptly, additional suitable tension force when the defective weft yarn of the weft yarn of main burner side and fabric side twines, make both compositions from state, the tension force of abirritation then when weft yarn is elastic yarn, after, from cutting off the control device output signal, cut off defective weft yarn by the cut-out means.Therefore have and the same effect of above-mentioned defective weft yarn processing method, in addition, the mechanism and the executive component part thereof of defective weft processing equipment are not done any change, only change controller logic and also can realize above-mentioned effect.
Below, further specify the present invention with reference to accompanying drawing by description to most preferred embodiment of the present invention.Wherein,
Fig. 1 is the front elevation of enforcement according to an embodiment of the device of defective weft yarn processing method of the present invention;
Fig. 2 is the local amplification front view of Fig. 1 device;
Fig. 3 is the system block diagram of Fig. 1 device;
Fig. 4 is the flow chart of the control program of presentation graphs 1 device;
Fig. 5 is that defective weft yarn twines state diagram in key diagram 1 device;
Fig. 6 is the biopsy cavity marker devices front elevation that in the past installed.
Prosign is represented with a part or counterpart among the figure.
The represented defective weft processing equipment of shuttleless loom of embodiment is that the present invention is useful on the air-jet loom, simultaneously, no matter be coiling adjustment means or cut-out control device, which is all realized by computer control, describes with reference to Fig. 1~Fig. 5.
Defective weft processing equipment as shown in Figure 1, the slay 1 of air-jet loom is along board swing, is provided with several nozzle assemblies (as representative, only expressing 1 with symbol 2 among the figure) of being used by polychrome at the left end of slay 1.In addition, the right-hand reed 3 that is provided with of main burner 2 forms recess on each dent in the drawings, makes this recess along being arranged by the picking direction, constitutes the weft yarn guide channel, is made of this stretch nozzle.
Among Fig. 1, the weft yarn Y that supplies with from the weft long measuring storing apparatus 4 of main burner 2 lefts imports in the main burner 2, itself and dropped in the weft yarn guide channel of reed 3 with the fluid that picking is sprayed from main burner 2 synchronously.Inweaving through beating up in the fabric with main burner 2 is the weft yarn Y that is being connected, and all will cut off after each picking, and cutting knife 5 is arranged on the sidepiece below near main burner 2, with the corresponding position of the fell of fabric.Anti-picking side end configuration weft detector 6 at slay 1, if do not arrived the position of defined by the weft yarn tip of picking, weft detector 6 detects the picking failure, then close electromagnetic valve 51, make the cylinder 50 that is communicated with gas tank AT by electromagnetic valve 51 be in not active state, make cutting knife 5 keep not active state, do not cut off the defective weft yarn Y that inweaves fabric-fell, maintenance is the state that connects with main burner 2.
Suction device 7 is made of the nozzle 71 of supplying gas, weft yarn ingress pipe 72, air thread-carrier 73 and suction tube 74; Supply gas nozzle 71 between main burner 2 and cutting knife 5, be set to from main burner 2 below points upwards, weft yarn ingress pipe 72 is facing to the spout opening of the nozzle 71 of supplying gas, be L shaped, air thread-carrier 73 is facing to another opening configuration of weft yarn ingress pipe 72, suction tube 74 is reversed J shape facing to air thread-carrier 73 openings.The nozzle 71 of supplying gas is communicated with gas tank AT by electromagnetic valve 75, and simultaneously, the nozzle 74a of opening in suction tube 74 is communicated with gas tank AT by electromagnetic valve 76.
Between weft yarn ingress pipe 72 and air thread-carrier 73, be provided with by driving roller 81 and compressing the coiler device that niproll constituted 8 that roller 82 is formed relatively.Drive CD-ROM drive motor 80 drivings of roller 81 by controller 10 controls, compressing roller 82 moves at above-below direction shown in Figure 1 by cylinder 83, this cylinder 83 is communicated with gas tank AT by electromagnetic valve 84, make compress roller obtain and drive roller 81 crimping active position and with drive the retreating position that roller 81 breaks away from.
Defective weft detector 16 is set between air thread-carrier 73 and suction tube 74, if defective weft yarn Yl is drawn onto suction tube 74, just can output signal.
As shown in Figure 2, be provided with by cutting knife 91,92 cutting knifes that constituted 9 directly over the jet of main burner 2, the defective weft yarn Yl that is imported into weft yarn ingress pipe 72 introduces by two rollers 81,82 of coiler device 8, is cut off by cutting knife 91,92 in advance.In Fig. 2, on slay 1, support 94 is set, by these support 94 supportings two cutting blades 91,92 by cutting knife carriage 93.Cutting blade 91 is fixed blade, cutting blade 92 is that movable sword is equipped with spring (not diagram) between the two, makes movable sword cutting blade 92 resistance springs, according to the signal that comes self-controller 10, rely on the cylinder 95 pushing revolutions that are communicated with gas tank AT by electromagnetic valve 96, cut off defective weft yarn Yl.
Controller 10 is represented with two square frame 10A that interconnecting and 10B in Fig. 1, as shown in Figure 3, its by with weft detector 6, defective weft detector 16, electromagnetic valve 51,75,76,84,96, the input-output means (I/O) 11 that CD-ROM drive motor 80 connects, CPU12, weft yarn handling procedure described later and control the ROM13 of the control program of defective weft yarn state prestores, ROM14, input in advance imports the control computer that is made of personal computer that the keyboard 15 of the chintzing kind of main burner 2 and nozzle number and expression state of a control and result's display 17 formed and constitutes.
ROM13 in the controller 10 stores weft yarn handling procedure shown in Figure 4 in advance and defective weft yarn state is adjusted program.In order to adjust state, posture, the tension force with the corresponding defective weft yarn of kind character of weft yarn, in ROM13, stored in advance the optimum value of the pre-rotating direction of trying to achieve by experiment, angle, speed of gyration in advance.
Below, the effect that just comprises the defective weft processing equipment of said structure describes with reference to the flow process of Fig. 4.As shown in Figure 1, for example produce coil at weft yarn end Yb during picking, if the weft yarn end does not arrive the position at weft detector 6 places, then weft detector 6 is imported control computer 10 by output input medium 11 with the picking failure signal.
The picking failure signal is from weft detector 6-input computer 10, and board turns round same as before, locate to stop at 300 °, after, board is reversed locate to stop at 180 °, open opening.
Subsequently, come the signal input electromagnetic valve 51 of self-controller 10, electromagnetic valve 51 makes pressure air stop supply cylinder 50, and cutting knife 5 is in not active state.
Further again, come the signal input electromagnetic valve 75 and 76 of self-controller 10, electromagnetic valve 75,76 is to the nozzle 71 of supplying gas, suction tube 74 supply pressure air, the nozzle 71 of supplying gas sprays, in weft yarn ingress pipe 72, form and attract stream, simultaneously, attract stream, attract the qualified weft yarn Yl of picking failure by also forming in the suction tube 74 of air thread-carrier 73 contacts.
Then, according to the signal that comes self-controller 10, by electromagnetic valve 84 to cylinder 83 supply pressure air, compressing roller 82 moves to below shown in Fig. 1, be pressed on the driving roller 81 by the defective weft yarn Yl that is attracted, simultaneously, come the driving signal of self-controller 10 also to import CD-ROM drive motor 80, defective weft yarn Yl volume left in figure among Fig. 1.
The defective weft detector 16-that is arranged between the opening of air thread-carrier 73 and suction tube 74 detects defective weft yarn Yl, just to controller 10 output signals.
Signal one input controller 10 from defective weft detector 16, certain nozzle of the polychrome main burner assembly of importing in advance according to the injection signal of main burner and by keyboard 15 is judged line yarn kind, the character of being beaten up, and take out corresponding best pre-gyratory directions, angle, speed in the ROM13, to the pre-revolution of CD-ROM drive motor 80 outputs signal.Revolution by CD-ROM drive motor 80 drives, niproll 8 is according to weft yarn kind, character, promptly the yarn that the yarn of tight twist yarn, fluffing and the long yarn of young pilose antler are produced winding like that the direction (just turning round) of additional suitable tension force do revolution in advance, simultaneously, in the strong elastic yarn occasion of the elasticity as elastic filament, core silk, in order to relax bending, reverse, the direction of the tension force of at abirritation (contrary revolution) is adjusted with best angle scope and optimum speed.
Above-mentioned adjustment one finishes, and electromagnetic valve is according to coming the signal of self-controller 10 to open, and with pressure air supply cylinder 95, the cutting blade 92 as movable sword is turned round, underproof weft yarn Yl is cut off near the spout near main burner 2.
Defective weft yarn Yl one cuts off, and CD-ROM drive motor 80 drives, and batches the qualified weft yarn Yb that inweaves by niproll 8, removes by suction tube 74.After this, after the miscarrying yarn is handled, loom is restarted.
Play the defective weft processing equipment of said structure and effect, when as shown in Figure 5 because of defective weft yarn Yl such as the twisted of yarn and fluffing and tying when the weft yarn of main burner 2 is intertwined the generation fault, data information according to ROM13, niproll 8 for example turns round 20 ° as quick as thought to the pre-revolution of positive direction (only turning round best angle under optimum speed), defective weft yarn Yl and tying are added suitable tension force at the weft yarn of main burner 2, catch both windings place, make it become state shown in Figure 1, only cut off tying weft yarn in main burner with cutting knife 9, have the effect that can prevent to cut off the defective weft yarn Yb that should remove that inweaves.
When elastic filament, when the such elastic yarn picking of core silk is failed, defective weft processing equipment is the data information according to ROM13, niproll 8 is with the only pre-contrary revolution best angle of optimum speed, 40 ° of for example contrary lentamente revolutions, make the tension force that acts on the defective weft yarn fully obtain relaxing, cut off with cutting knife 9 then, thereby it is at random with the long measuring storing yarn to prevent that weft yarn from coming off from main burner 2.
The weft yarn kind that above-mentioned defective weft processing equipment is supplied with 6 nozzles at polychrome from keyboard 15 input main burner assemblies in advance, so just can be according to the injection signal of nozzle, make decision according to each the optimum data data of pre-revolving conditions (gyratory directions, angle, speed of gyration) of the input of trying to achieve according to experiment that is stored in advance in the ROM13 again, thereby can carry out to be best pre-revolution, to control the state of defective weft yarn corresponding with weft yarn.
In addition, defective weft processing equipment is formed its control device with personal computer, can determine the control content by control program, so, can be easy to change as required, have what is called " " softness " effect.For example, the various data informations by this new weft yarn of input in ROM13 when using the weft yarn that twisted strong silk and elastic yarn be composited are by realizing compound pre-revolution, even for new tram also correspondence flexibly.
The foregoing description is enumerated an example in order to illustrate, the present invention is not limited thereto, can change in the thought category of putting down in writing in claims or add.
In the above-described embodiments, after having represented that board stops, reversing, electromagnetic valve 51 and electromagnetic valve 75,76 are made as the example of Guan Hekai,, also can stop, reversing above-mentioned electromagnetic valve is closed and open or stop, being about to earlier when reversing above-mentioned electromagnetic valve pass and opening at board at board.
In the above-described embodiment, constitute control device,, also can constitute control device by hardware-in-the-loop with said function with personal computer.
In the above-described embodiments, though with the polychrome loom is that example is described, but for the monochromatic loom that has only a main burner, also be suitable for the present invention certainly, can certainly adopt according to kind, character by a this main burner picking weft yarn, control similarly is pre-turns round, and controls the embodiment of defective weft yarn state.

Claims (6)

1, a kind of defective weft yarn processing method of shuttleless loom, the weft detector one that is configured in anti-picking side end detects the picking failure, be arranged near the nozzle of supplying gas of main burner spout and point to the weft yarn ingress pipe that is arranged on the direction different with the picking direction, the expulsion pressure air, to be directed in the weft yarn ingress pipe by the defective weft yarn that the picking that above-mentioned main burner penetrates is failed, this defective weft yarn one arrives the means of batching, after batching the above-mentioned defective tram of means clamping with this, relevant with the above-mentioned means of batching, cut off above-mentioned defective weft yarn in the position of above-mentioned main burner side, after this, take out the above-mentioned defective weft yarn that connects with fabric system by the above-mentioned means of batching; It is characterized in that, comprise and adjust operation and cut off operation, adjusting operation is above-mentionedly to batch the above-mentioned defective weft yarn of means one clamping, before above-mentioned main burner side position cuts off above-mentioned weft yarn, controlling the above-mentioned means of batching is turning round in advance with the corresponding direction of weft yarn kind, adjust above-mentioned defective weft yarn state, cutting off operation is that the position of above-mentioned controlled defective weft yarn in above-mentioned main burner side cut off.
2,, it is characterized in that the above-mentioned controlled court of means of batching gives above-mentioned defective weft yarn and turns round in advance with the direction of tension force according to the defective weft yarn processing method described in the claim 1.
3,, it is characterized in that above-mentionedly batching that means are controlled turns round in advance towards the direction that relaxes above-mentioned defective weft tension according to the defective weft yarn processing method described in the claim 1.
4, a kind of defective weft processing equipment of shuttleless loom, comprise the weft detector that is provided in anti-picking side end, be provided in weft yarn ingress pipe with the picking direction different directions of the weft yarn of above-mentioned main burner, be provided near the means of batching of this weft yarn ingress pipe outlet, batching the cut-out means of cutting off this defective weft yarn under the defective weft yarn state of means clamping by above-mentioned main burner ejaculation by this, above-mentioned weft detector one detects the picking failure, the above-mentioned nozzle of supplying gas just points to above-mentioned weft yarn ingress pipe expulsion pressure air, above-mentioned defective weft yarn is directed in the above-mentioned weft yarn ingress pipe, this defective weft yarn one arrives the above-mentioned means of batching, just batch the above-mentioned defective weft yarn of means clamping by this, cut off above-mentioned defective weft yarn by above-mentioned cut-out means, take out this defective weft yarn by the above-mentioned means of batching then; It is characterized in that, comprise and batch the adjustment means and cut off control device, batching the adjustment means is above-mentionedly to batch the above-mentioned defective weft yarn of means-clamping, just can be according to the weft yarn kind, direction towards the control signal appointment is turned round the above-mentioned means of batching in advance, adjusting above-mentioned defective weft yarn state, is that above-mentioned defective weft yarn is adjusted the above-mentioned cut-out means of back control to cut off this defective weft yarn and cut off control device.
5,, it is characterized in that above-mentionedly batching the adjustment means and above-mentioned cut-out control device is made of computer according to the defective weft processing equipment described in the claim 4.
6, according to the defective weft processing equipment described in the claim 5, it is characterized in that the above-mentioned adjustment means of batching by sequencing, it makes it turn round in advance with the direction of tension force or the direction that relaxes above-mentioned defective weft tension investing above-mentioned defective weft yarn according to the above-mentioned means of batching of weft yarn kind control.
CN 92111087 1991-12-12 1992-09-25 Defective weft yarn processing method and device thereof in the shuttleless loom Pending CN1073223A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP351440/91 1991-12-12
JP03351440A JP3079723B2 (en) 1991-12-12 1991-12-12 Control method of defective weft processing method in shuttleless loom and control device of defective weft processing device

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Publication Number Publication Date
CN1073223A true CN1073223A (en) 1993-06-16

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Application Number Title Priority Date Filing Date
CN 92111087 Pending CN1073223A (en) 1991-12-12 1992-09-25 Defective weft yarn processing method and device thereof in the shuttleless loom

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EP (1) EP0547002A1 (en)
JP (1) JP3079723B2 (en)
CN (1) CN1073223A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108893842A (en) * 2018-09-17 2018-11-27 太平洋纺织机械(常熟)有限公司 The pneumatic Tucked-in selvage apparatus of rapier loom

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* Cited by examiner, † Cited by third party
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CN107488936B (en) * 2017-09-29 2022-12-23 安平县金路丝网机械有限公司 Full-automatic hydraulic knitting machine and knitting method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749006A (en) * 1984-07-26 1988-06-07 Tsudakoma Kogyo Kabushiki Kaisha Automatic method and apparatus for removing a faulty weft on a loom
US4688606A (en) * 1985-02-07 1987-08-25 Tsudakoma Corporation Improper weft removing device for shuttleless looms
US4890650A (en) * 1987-08-25 1990-01-02 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Detecting and removing faulty weft in a jet loom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108893842A (en) * 2018-09-17 2018-11-27 太平洋纺织机械(常熟)有限公司 The pneumatic Tucked-in selvage apparatus of rapier loom
CN108893842B (en) * 2018-09-17 2023-06-16 太平洋纺织机械(常熟)有限公司 Pneumatic selvedge folding device of rapier loom

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JP3079723B2 (en) 2000-08-21
EP0547002A1 (en) 1993-06-16
JPH05163639A (en) 1993-06-29

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