Class 139/353 - Electrical

Subclass of Class 139 - Textiles: weaving
Definition: The fault being detected by an individual thread detector
No. of patents: 48
Last issue date: 11/27/2007

«First «Previous1 2 Next»Last»

Number	Title	Issue Date
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 loom restarting method provides a loom stopping command, withhold...	11/27/2007
6499512	Drop pin for stop motion Drop pin for stop motion (1) comprising a body (2) with a yarn lead-through opening (3) provided to rest on a thread extending through this opening (3). The drop pin is supported by a supporting surface or edge (4), forming a concavely curved bordering of...	12/31/2002
6000439	Mechanical loom with warp changing apparatus A weaving machine including a machine frame, an apparatus for supplying warp threads, a support apparatus, a plurality of heald frames, a reed, and a replaceable changing apparatus releasably connectable with the machine frame or the support apparatus and...	12/14/1999
5940945	Shed insertible sensor for dividing-shed formation on a sectional warping machine On a sectional warping machine, the dividing-shed formation for introducing a dividing element is controlled in such a way that at least one yarn sensor (18, 18') is introduced transversely to the running direction of the shed warp (11, 12) into the opene...	08/24/1999
5694979	Method and apparatus for inspecting woven cloth using a plurality of photoelectric sensors A woven cloth inspecting apparatus eliminates the influences of disturbances such as illuminating light and fly. At least two photoreceptor elements are arranged in the direction of the weft yarn of woven cloth. The photoreceptor elements detect different...	12/09/1997
5625934	Reeling method with scanning of matrix of sensors In a reeling machine a multiplicity of yarns are pulled from respective supplies and wound up on a beam and each yarn is associated with a sensor which produces an output whose state indicates if the respective yarn is broken or not present. Each sensor i...	05/06/1997
5617905	Circular-weaving machine with vertically moving heddles A circular loom for the manufacture of tubular fabrics having an annular frame with an upper annular plate and a lower annular plate, both having bearing bores for vertically moving healds (heddles) guiding the warp threads of the hose to be manufactured....	04/08/1997
5575313	Apparatus for monitoring a warp yarn movement in a multi-phase weaving machine In a multi-phase weaving machine, an apparatus (16) for monitoring warp yarn movement (3a, 3b) in particular leno warp yarns. The drawing-off movement or the drawing-off speed of the warp yarns (3a, 3b) can be detected by an electronic sensor (6a, 6b; 6c)...	11/19/1996
5551485	False warp stop diagnostic apparatus A diagnostic device for testing a false warp stop in an industrial loom caused by a failing or offending drop wire. The device provides a connector that is operably engaged with the warp bars of an industrial loom. When a drop wire becomes worn or pliable...	09/03/1996
5429157	Blade type drop wire An elongated blade (20) has a slot (22) for receiving a contact bar (15) and an eyelet (30) at one end for receiving passing yarn (11). The eyelet (30) has a curled lip (34). The upper end of the slot has a slanted, or oblique, edge (23) which forms an an...	07/04/1995
5388618	Weaving-machine control with display of the site and nature of thread breaks A control system for adjusting and/or checking the operational parameters of a weaving machine includes a control unit with a monitor, the control unit including an image memory for storing images of the site and/or type of thread breaks. The images are d...	02/14/1995
5365222	Method and detector for detecting surface roughness or defects on coated wire or cable A method and detector are provided for accurately and continuously detecting surface roughness or oversize defects on coated wire or cable, such as magnet wire. This is achieved by passing the wire or cable through a die having an opening which is larger ...	11/15/1994
5313692	Warp yarn breakage detecting system A yarn breakage detecting system includes yarn detectors for detecting warp yarns forming a warp and for providing yarn detection signals, and a signal processing unit for counting peaks in the yarn detection signals, representing the warp yarns and for p...	05/24/1994
5165454	Detection of warp in reed dent before loom start up A warp insertion monitoring method and apparatus for positively protecting woven cloth from defects due to warp insertion error or failure. A warp detector is disposed on a loom so as to have a warp presence/absence detection region located at a front or ...	11/24/1992
5141030	Warp mending device for feeding a mending yarn to drop wires and a heddle A warp mending device draws a mending yarn unwound from a bobbin to a slot of a drop wire and a mail of a heddle corresponding to a trailing edge and a leading edge of a broken warp so that a loom is started. A positioning device is incorporated in the wa...	08/25/1992
5105855	Apparatus and method for clearing a warp yarn break in a loom A carriage which is movable into a position over a loom carries a manipulator for drawing a replacement yarn through a reed. A tracing element moves across the width of the warp yarns at a point downstream of the reed to detect a gap in the warp yarns cor...	04/21/1992
5101865	Dropper bar separating apparatus AN apparatus individually separates a plurality of dropper bars which are suspended from a dropper supporting rod. A nozzle first blows the dropper bars along the dropper supporting rod to a position at which the dropper bars are to be separated. A liftin...	04/07/1992
5088523	Heddle selection in a weaving machine for rethreading The device for repairing a yarn break includes a folder blade which is to be inserted between the warp yarns adjacent a broken yarn. During horizontal motion, the folder blade has two wings which diverge outwardly for spreading out the warp yarn. The fold...	02/18/1992
5082030	Pneumatic threading-in tubes for repairing warp yarn breaks in a weaving machine An apparatus for repairing a yarn break includes a housing which is first positioned roughly by being guided towards the stop motion wire belonging to the broken warp yarn. After the broken warp yarn has been removed, a fresh separate warp yarn is introdu...	01/21/1992
5074337	Dust removal device in weaving machines A device for the removal of dust from parts protecting weaving machine components from weaving dust includes a dust screen, a number of freely movable blowing tubes which direct air from their open ends into an area adjacent the dust screen, and blowing d...	12/24/1991
5050643	On loom system for mending broken warp yarn A method and apparatus for automatically mending warp yarn selects broken warp yarns from among a group of the warp yarns at the time of breakage of the warp yarn. The spacings between the reed wires of a reed through which the broken warp yarn is passed ...	09/24/1991
5046535	Automatic repair of broken warp threads in weaving machines An apparatus automatically repairing broken warp threads in weaving machines or looms. The apparatus comprises a computerized control system having a memory storing predetermined characteristics for drawing-in of a harness and reeding each one of a plural...	09/10/1991
5005503	Broken yarn detector for multiple yarn manipulating machines A textile machine having a multiplicity of yarn manipulating instrumentalities includes a yarn break detector. The specific machine disclosed is a tufting machine having a multiplicity of reciprocable needles threaded with respective yarns supplied from a...	04/09/1991
4934413	Warp arrangement and carrier system for an automatic loom In a looming system or method, warp yarns are mounted on a loom by the following four steps. At a first step, warp yarns of a full warp beam are drawn through a warp holding unit including a warp dropper unit, a heald unit and a reed. Then, at a second st...	06/19/1990
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 postions of the breaks....	03/27/1990
4905737	Method for separating a broken warp thread at the warp stop motion from the warp sheet on a weaving machine, and a device which uses this method A method and apparatus for separating a broken warp thread at the warp stop motion from the warp sheet on a weaving machine in which the warp stop motion includes several rows of drop wires, the method including the step of extracting a loop in the broken...	03/06/1990
4898213	Device for mending and trimming broken warp yarn A device for mending and trimming broken warp yarn includes a yarn holder mounted on a moving member for holding a free end of a mending yarn tied to a broken warp yarn. When a warp yarn is broken during the operation of the loom, one end of a mending yar...	02/06/1990
4872488	Device for determining the position of a warp thread break A measuring and detecting device for determining the position of a break in a warp thread on a weaving machine. The machine makes possible a determination as to which side of the device the break is situated, what distance from the device the break is sit...	10/10/1989
4854351	Contact bar for the warp stop motion The contact bar comprises an outer bar having a U-shaped cross-section and a plurality of bar portions located therein and separated therefrom by an insulating layer. The bar portions are insulated against each other by intermediate insulating layers in p...	08/08/1989
4838320	Contact bar for electrical warp stop motion One of the bars of a contact bar, preferably the inner bar (12) has an electrical resistance which increases linearly along its entire length and which can be scanned as measurable value at any desired point along said bar. A preferable embodiment for thi...	06/13/1989
4836252	Warp yarn breakage detecting and indicating apparatus A warp yarn breakage detecting and indicating apparatus capable of stopping the loom upon the detection of the breakage of a warp yarn and indicating the position of the broken warp yarn. The warp yarn breakage detecting and indicating apparatus comprises...	06/06/1989
4817678	Broken warp thread locator The location of a warp thread break in a weaving loom using electrically conductive drop wires bridging an electrode pair upon occurrence of a warp thread break includes applying opposing known voltages across opposite ends of the electrode pair, establis...	04/04/1989
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 signal is received indicating that a contact has been made...	02/21/1989
4791967	Device for determining the location of a warp break thread in weaving looms using drop wires An apparatus for determining the location of a warp thread break in weaving looms using drop wires, including detection devices 6 to identify warp thread breaks, movable drop wire locators 7 to determine the warp thread break locations, switching devices ...	12/20/1988
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 the lever to move with the lever. The plate is formed with ...	01/05/1988
4574846	Arrangement for tension control and supervision of individual warp threads on a loom, particularly a circular loom The arrangement comprises a two-armed movable lever, which is swivel-supported on the loom and which is held by a warp thread, found in a stretched state and guided through a yarn guiding eyelet on the one movable lever arm, countering the effect of a spr...	03/11/1986
4522236	Electrical system for monitoring warp yarns in weaving machines The invention relates to a system for electrically monitoring warp yarn ruptures, comprising drop wires which in case of rupture of a warp yarn will fall from the warp yarns on an electrical contact rail. The locating time to determine the precise site of...	06/11/1985
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 continuous signal switching stages which act upon two paral...	05/15/1984
4412562	Apparatus for forming selvages in weaving machines A selvage apparatus including a photo-cell type device for detecting abnormal conditions of selvage threads is disclosed. In the detecting device comprising a microprocessor, the number of light interruptions by the selvage threads is counted and compared...	11/01/1983
4372346	Electrical warp thread-monitoring apparatus for a loom An electrical warp thread-monitoring apparatus for a loom wherein a multiplicity of warp threads each carry a drop wire which, in the presence of thread rupture, connects a pair of current rails which are mutually electrically insulated from one another, ...	02/08/1983

«First «Previous1 2 Next»Last»

PatentStorm

Quotables

PatentStorm News

Class 139/353 - Electrical