Assignee: Picanol N.V. (BE)

Location: Not specified.
No. of patents: 19

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Number	Title	Issue Date
4858658	Method and apparatus for repairing a broken weft thread in a loom A method for repairing a break in a weft thread which occurs before the thread accumulation space of a weft accumulator includes the steps of drawing the thread reserve present in the weft accumulator after the break back towards the end of the thread whi...	08/22/1989
4821779	Method and apparatus for releasing defectively inserted weft threads in weaving machines A method and device for releasing defectively inserted weft threads in weaving machines by reversing the machine to expose the defectively inserted thread in the open shed, initially releasing the weft thread from the ends of the fell by moving the weft t...	04/18/1989
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
4817675	Method for repairing a broken warp thread on weaving machines, and the rethreading mechanisms used A method and mechanism for repairing warp thread breaks in a weaving loom in which a broken warp thread is detected by a fallen drop wire of a warp stop motion device, the method comprising: upon the falling of a drop wire, taking a new warp thread from a...	04/04/1989
4815498	Process and apparatus for manipulating fallen drop wires of weaving loom warp stop motions and facilitating repair of broken warp threads A process for manipulating fallen warp thread detector drop wires and revealing their location includes gripping and rotating a fallen wire, while spreading adjacent wires of the pack apart by a spreader and raising the fallen wire above the pack. Apparat...	03/28/1989
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
4794958	Auxiliary nozzle for air jet loom An auxiliary nozzle for an air jet loom is configured as straight tubule closed and tapered blade-like at its free end and moveable with the loom batten into and out of the formed sheds. At least one blow aperture near the closed end of the tubule is prov...	01/03/1989
4792101	Process for unwinding a thread from a reel in looms, and arrangement used therefor Process for unwinding a thread from a reel in looms, wherein the thread (6) is guided through a thread guide (4) placed behind the reel, characterized thereby that the distance (L) between said thread guide (4) and said reel (3) is adjusted automatically ...	12/20/1988
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
4791481	Method for locating weft thread defects in fabric A process for locating weft thread defects in woven fabrics includes using a macro (close-up) lens and video camera to produce an enlarged image of the fabric, and then observing and evaluating the weft pattern from the video generated image. Transmissive...	12/13/1988
4781226	Driving and control mechanism for clamping, presentation and fastening of weft threads in gripper weaving looms A driving and control mechanism for clamping, presenting and holding weft threads on gripper weaving looms is disclosed, whereby at least one thread presentation element (1) can be moved to various positions. The mechanism is composed of at least two leve...	11/01/1988
4781222	Fabric winding device for weaving looms A fabric take-up system for a weaving loom includes a driven take-up roll and a pressure roll forming a nip with the take-up roll, wherein the take-up roll at least is movable transversely of its axis so that tensioned fabric received from the loom breast...	11/01/1988
4773137	Method of winding and changing warp beams of weaving looms A process for coiling warp beams of looms involves winding new warp threads on warp beams with free ends of predetermined length double wound on the beams at the beginning of the winding process. A warp beam with a securing system for warp threads arrange...	09/27/1988
4759392	Method and apparatus for the control of auxiliary nozzles for inserting weft threads in weaving looms A method for the control of auxiliary nozzles or blowers for the insertion of a weft thread in air jet weaving looms wherein several auxiliary blowers and/or groups of auxiliary blowers (1-9; 45; 46; 47; 50) are distributed along the shed (10) of the weav...	07/26/1988
4756342	Device for supplying multiple weft threads to a main blower of a fluid jet weaving loom Device for supplying a weft thread to a main blower for weaving looms, whereby it is mainly composed of the combination of 2 or several supply channels (1, 2) for weft threads (3, 4); one main blower (5) for introducing the weft threads (3, 4) into the ga...	07/12/1988
4739804	Shed-forming arrangement for rectilinear weaving looms with wavy shed A wavy shed forming arrangement for rectilinear weaving looms it consists of a wobbling non-rotating element driven about a driving axis and connected by connections to be reciprocated which are fixed to the lifters on which the warp threads are suspended...	04/26/1988
4736776	Adjustable breast beam system for heaving loom During the weaving process, the location and displacement of the cloth line and/or the breast beam are continuously detected; the detected value is supplied to a drive unit; in the event of a variation in cloth line location with respect to the desired lo...	04/12/1988
4716942	Optical weft stop motion for looms with a U-shaped reed An optical weft stop motion for looms with a U-shaped reed includes an optical emitter, an optical receiver, and a unitary optical conductive plate attachable disposed between the reed lamellae. The plate is provided with a recess which is substantially c...	01/05/1988
4715411	Speed control for weft feed spool in weaving looms A method to control the speed of the weft feed spool in weaving looms includes feeding at least two items of detected data related to weft delivery and supply, and loom operation, into a control mechanism, and using the data to calculate as a number of wi...	12/29/1987

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Assignee: Picanol N.V. (BE)