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7299827 |
Loom restarting method
A loom restarting method restarts a loom stopped due to a loom stopping cause without entailing a “wavy set mark”. When a loom is stopped due to a loom stopping cause entailing faulty picking, the...
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6886604 |
Apparatus at a weaving machine for the protection of persons
An apparatus at a weaving machine serves for the protection of persons in danger regions which extend about a beat-up edge along a weaving width and beyond the latter. In this apparatus, monitoring...
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6186191 |
Arrangement for monitoring functionality of flexible pressure hoses in a loom
A fluid jet loom includes a source of pressurized fluid, a magnetic valve, and at least one nozzle, such as a weft insertion air jet nozzle, as well as at least one flexible pressure hose...
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5520224 |
Method and weaving machine for monitoring the fell position following weaving operation interuption
The position of the fell of a cloth being woven on a weaving machine is sensed with a sensor needle that can be moved into and out of the cloth at a location proximate the fell during interruption...
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5082029 |
Loom arrangement for fabrics sensitive to weaving stop marks
A loom for fabrics which are sensitive to loom stopping marks, especially twill fabrics, has a disengagement lever (14) on an eccentric drive mechanism of the loom. The disengagement lever is...
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5060161 |
Method of controlling operating speed of a loom
A method of controlling an operating speed of the loom for increasing the production rate by varying the present operating speed so as to be increased includes a step of estimating a stop rate at...
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5046534 |
Weaving machine with main shaft lock
A weaving machine of the type in which a main shaft is braked by an electromagnetic brake has, in addition to the brake, a lock for locking the main shaft against rotation. The lock includes a...
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4986315 |
Weaving machine with a synchronously or independently operable mechanical dobby
A weaving installation includes a weaving machine and a dobby which can be driven by the weaving machine. In order for the weaving machine to drive the dobby, the weaving machine may be provided...
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4911207 |
Method for monitoring warp breaks on weaving machines, and a device which uses this method
A method for monitoring warp thread breaks on weaving machines includes the steps of locating broken warp threads and storing the number of broken warp threads in a memory as a function of the...
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4874018 |
Transmission for weaving looms
A drive system for weaving machines includes normally coupled main and auxiliary drive shafts for at least the batten and heddles of the weaving machine, respectively, with the shafts driven by...
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4805670 |
Method and apparatus for detecting clinging warp threads in a weaving machine
Method for detecting the presence or absence of warp threads clinging together, with the characteristic that it consists principally of a combination of: initiating a machine stop when a warp stop...
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4787199 |
Yarn monitoring device for a doubling machine
A yarn monitoring device comprises in association with each doubling spindle (1) a sensing arm (7) monitoring the upwardly directed yarn run between yarn guide eye (3) and feed roller (V), which...
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4781221 |
Mispicked weft yarn removing method and system therefor
A method of removing a mispicked weft yarn when a mispick occurs in a loom. The operation of the loom in a state where the mispicked weft yarn is connected to weft inserting means after the...
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4724872 |
Method for the control of a weaving loom and weaving loom for implementing such method
A method of controlling a weaving machine which includes a shedding device with yarn guiding eyelets, an electronic control device for the shedding device, a warp let-off device and a fabric...
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4716941 |
Faulty picking diagnosing system for a fluid jet loom
A faulty picking diagnosing system for a fluid jet loom equipped with a fluid jet picking device. The faulty picking diagnosing system is capable of diagnosing a faulty picking cycle while the loom...
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4716940 |
Safeguard device for a weaving machine
The safeguard device has a light beam emitter secured to a pivotal lever for movement between an operative position and a retracted position. In addition, a plate is pivotally mounted relative to...
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4706714 |
Mounting arrangement for a switching unit for a loom
The cross beam of the loom is provided with a retaining bar in which at least one panel-like or board-like switching unit is slidably mounted. Suitable acess openings are provided in the retaining...
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4702283 |
Process and apparatus for inspecting woven fabric during its production on one or more looms
Optical scanning and inspection of loomed fabric on one or more looms is carried out using a travelling optical scanner that scans an inspection area of fabric on a loom faster than the fabric...
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4669510 |
Process for operation of a weaving machine as well as application of the process
A weaving machine having a filling breakage detector for generating an error signal upon breakage of a filling thread. This error signal then stops the weaving machine. A pick finding process is...
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4662406 |
Controller for an automatic repair unit which corrects abnormal weaving operation on a loom
Practice of an auto-repair operation on a loom is automatically prohibited when the frequency of auto-repair operation exceeds a preselected rate in order to avoid production of off-grade cloths...
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4637437 |
Brake for a weaving machine
The brake is provided with a resilient member between the brake band and a brake lever. In addition, the resilient member is provided with recesses in the form of bores in a part of a resilient...
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4625770 |
Method and apparatus for monitoring weft insertion in a fluid jet loom
According to the present invention, the respective fluid pressures at the output sides of the plural jet fluid valve units in a fluid jet loom are converted into electrical signals by respective...
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4570681 |
Apparatus for stopping weaving machine at predetermined position
A weaving machine is combined with a stop control means. A warp feeler, a weft feeler or a manual stop switch produces a stop signal and sends it to the control means. A comparator compares a crank...
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4553569 |
Control method of stopping a loom at a predetermined position thereof
A method of stopping a loom, whose operation is controlled by a microcomputer, at a predetermined position thereof is disclosed herein. In view of the phenomenon that the load on loom operation is...
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4546802 |
Automatic failure sensor for hot wire cutters
In order to prevent a loom from continuing to operate after burnout of hot wire cutters for cutting selvage, circuitry is provided to automatically stop operation of the loom upon hot wire cutter...
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4494203 |
Method for correcting the deviation of a predetermined stop position in a loom
A method positioning control is disclosed, to stop mechanisms of a loom at predetermined positions when stopping the loom operation, in which the loom is directly controlled by a microcomputer. In...
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4488580 |
Automatic method and apparatus for stopping loom rotation at a constant crank angle
For ideal stoppage of loom rotation at a constant crank angle, initiation of braking action on loom rotation is always automatically and properly timed on the basis of initial stop lag angle...
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4478254 |
Device for actuating shedding motion searching and slow speed operation on a loom
The invention relates to the textile industry and more particularly to looms. The device comprises a motor-reducing gear unit which can drive the dobby mechanism selectively, through a clutch, this...
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4476899 |
Braking mechanism for a shed-forming machine
A weaving machine is operationally connected to a shed-forming machine which includes a drive shaft and a braking mechanism. The latter includes a braking disk which is axially slidably supported...
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4474219 |
Shed locating devices associated with dobbies and other weaving systems
The present invention relates to improvements in shed locating devices associated with dobbies and other weaving systems. A device is provided to enable the dobby shaft to remain coupled to the...
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4474220 |
Mechanisms for driving regulators in weaving looms
The invention relates to improvements in mechanisms for driving regulators of weaving looms. Between the shaft of the dobby and the chain pinion which drives the regulator of the loom there is...
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4474218 |
Pick finder apparatus for fluid jet looms
The cam shaft of a fluid jet loom, which cam shaft normally operates the warp yarn harness frames, is disengaged from the machine drive mechanism by a clutch mechanism. The cam shaft is then...
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4463781 |
Pick-finding device for a weaving machine
The pick-finding device has a planetary transmission for turning back the weaving units into their proper operative position relative to the weaving machine. The input shaft and output shaft of the...
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4458725 |
Apparatus for coupling a weaving machine and shed-forming machine for effecting pick finding and slow speed operation
In a pick finder, a gear which is driven by a motor sits on a sleeve, which has thereon a tooth of a single-tooth coupling. For tensioning the return spring which effects engagement of the...
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4448295 |
Control apparatus for the electromagnetic brake of a weaving machine
A control apparatus for the electromagnetic brake of a brake device or unit of a weaving machine or loom comprises a cam-controlled brake-pulse transmitter rotating with the machine shaft and two...
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4386683 |
Brake for a weaving machine
The brake uses a slow brake feature whereby a positioning member, such as a lever, is actuated directly via a first spring to cause braking in response to faults only on the weaving side as well as...
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4364002 |
Control of operation of loom
A method and an apparatus for controlling operation of at least one operating element of a loom on the basis of a reference signal are disclosed. A rotational position signal developed during each...
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4362190 |
Method of sensing abnormality of weft detecting device in loom
Disclosed is a method of sensing an abnormality in a weft detecting device which is employed in a loom in order to detect whether a weft is present in a predetermined interval corresponding to a...
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4178969 |
System and method for controlling the stopping operations of weaving machines
A system for controlling the stopping sequence of a plurality of weaving machines under emergency conditions and a method for the same are disclosed. The system includes a preference control...
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4140919 |
Apparatus for the surveillance of one or more electrical signals
Apparatus for monitoring one or more electric signals representing movement of objects such as threads, strips, or the like during one or more surveillance time periods. A first signal detector...
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4100942 |
Drive, control and monitoring device for looms
A drive, control, and monitoring device for looms in which there is a drive motor connected to the power line, a flywheel operatively connected with the drive motor, an electromagnetic brake and...
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4067365 |
Apparatus of stopping operation of a weaving loom
Operation of a weaving loom is stopped when tension in warp yarn less than a reference value at beat-up is successively sensed at a plurality of successive beat-ups.
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4036267 |
Device to detect the belt tension of weft inserting members in shuttleless looms
A device to detect the tension uniformity of a belt in a weft inserting member of a shuttleless loom wherein a belt anchored at its ends to fixed contiguous points and guided by rollers on a...
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4031924 |
Electronic equipment for monitoring yarn travel on a textile machine
The present invention relates to equipment for monitoring the yarn travel on a textile machine, particularly in the shuttle of a weaving loom, comprising a piezoelectrical yarn sensing unit mounted...
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3998250 |
Heddle transfer stop motion in a triaxial weaving machine
In a triaxial weaving machine heddles arranged in opposing rows are shifted in opposite weftwise direction with the leading heddle in each row being transferred to the trailing position in the...
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3989068 |
Automatic control apparatus for weaving machine
An automatic control apparatus for a weaving machine is disclosed, which includes a photoelectric detecting scheme provided at a reed of the machine such that a light beam thereof penetrates the...
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3977441 |
Device for recording weaving faults
Device for recording weaving faults in fabric being manufactured on weaving machines in which a recording card is fixed to a drum means and has associated therewith writing means that are initiated...
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3940954 |
Electrical supervisory circuit arrangements
An electrical supervisory circuit arrangement, as for detecting faults such as yarn breakage in a circular knitting machine, comprises a number of channels each responsive to a particular type of...
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3938119 |
Electro-mechanical thread supervisory apparatus
A sensing lever, preferably a double-arm lever, is journalled over a fulcrum; one arm is engaged by the thread to be supervised, and further connected to operate an electrical switch; the other arm...
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3929171 |
Fail safe stop motion for looms
A fail safe stop motion for looms having mechanical warp stop motions for effecting a positive cessation of loom operation in the event of electrical power failure to the loom and which will...
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