Class 139/438 - By gripper shuttle

Subclass of Class 139 - Textiles: weaving
Definition: Device wherein the shuttle grasps an end of weft to draw
No. of patents: 40
Last issue date: 06/19/2007

Number	Title	Issue Date
7231943	Device for a weaving machine A power weaving loom includes weft thread insertion and collecting bands (6, 7). Drive units drive the bands and cause leading parts of the bands to move towards and away from one another between sides of the weaving machine and an approximately half-width po...	06/19/2007
7124783	High speed yarn transfer system incorporating reversing linkage and electro-optical synchronization A rapier for a rapier loom comprises:—a low mass self-tightening rotary clamp with its axis of rotation aligned to the direction of maximum acceleration;—a collapsing pivot linkage that converts the force used to close the self-tightening clamp into the force us...	10/24/2006
6973942	Weft carrying grippers for weaving looms and in guiding means thereof Weft carrying grippers (1, 2), of the type wherein the grippers are made of metal and are driven in their back-and-forth movements through the shed by carbon-fibre and/or polyester straps exclusively guided from outside the shed are both characterised by a me...	12/13/2005
6948531	Gripping collet for seam-weaving machines The gripping collet (10) for grasping a thread during the preparation of a woven seam is arranged at the end of a draw-through gripper and has a first and a second clamping element, the first and the second clamping element (20, 24) being able to be cl...	09/27/2005
6892766	Loom and method of weaving three-dimensional woven forms with integral bias fibers A loom for weaving three dimensional woven structures which include interwoven bias fibers and at least one integrally woven junction. The loom includes bias fiber holders, bias shuttles, and independently controllable bias arms to interweave the bias fibers. Each b...	05/17/2005
6889720	Method and means for textile manufacture A method and device involve simultaneously inserting weft/binding yarns and beating them up, in textile manufacturing processes like 3D-weaving and uniaxial noobing. A yarn carrier is equipped with a beating-up reed dent. In the carrier, which includes a cartridge-l...	05/10/2005
6845792	Thread clamp for a carrier thread gripper in a rapier loom Thread clamping arrangement for a carrier gripper of a rapier loom wherein the arrangement includes a rigid support coupled to a lateral wall of a body of the carrier gripper. Each of an elongated first clamping element and an elongated second clamping element are p...	01/25/2005
6491068	Apparatus for heating lubricating oil in a weaving machine An apparatus for the heating of a lubricating oil for a weaving machine contains at least one heating element with at least one semiconductor and temperature regulator with a sensor....	12/10/2002
6167918	Gripper system for gripper loom In a rapier for a gripper loom, the rapier is made of synthetic material and includes at least one layer of reinforcing fibers. The gripper is mounted at the front end of the rapier, and the layer of reinforcing fibers begins at a distance away from said ...	01/02/2001
6158479	Arrangement for shooting and accelerating a shuttle in a weaving machine Shooting and guide members for a shuttle are arranged in a weaving machine. The shooting member comprises an air pressure source which supplies compressed air to one or more acceleration nozzles. The acceleration nozzle or nozzles are arranged to accommod...	12/12/2000
6089281	Strand gripper and method A gripper for transporting filling yarn in a projectile (A) across a loom for insertion during weaving is carried by spring arms (B). The gripper includes opposed jaws one of which has a V-shaped inner surface (C) and the other jaw has a W-shaped inner su...	07/18/2000
6006795	Linear motor selector device for weft yarn presentation in shuttleless looms A device for weft yarn presentation in a shuttleless loom is operated by linear electric motors. The motors include fixed plates and movable plates pivotally mounted to the fixed plates. Yarn presenting rods are carried by the pivotal plates and rotate fr...	12/28/1999
5862837	Thread holder for a bringer rapier A thread holder comprises two holding members which form a gap that has a round cross-sectional shape and increasing width. Each of the thread holders is journalled on the other holding member at at least one bearing location which is executed as a bearin...	01/26/1999
5632309	Gripper projectile for a weaving machine The gripper projectile has a housing (1), a weft yarn clip (2) and a connector element (3) in order to connect the housing and the weft yarn clip. Furthermore, unitary portions protruding outward from the outer side of each respective leg are provided for...	05/27/1997
5386853	Gripper loom with pneumatic gripper cleaning apparatus A gripper loom with pneumatic gripper cleaning apparatus is outfitted with at least one gripper associated with a blowing nozzle outside of the weaving area. The blowing nozzle is associated with a suction nozzle on the opposite side of the gripper. The g...	02/07/1995
5247968	Projectile loom having a composite material multiple weft device A projectile loom is distinguished by a combination wherein a weft yarn changer (1) has a low-weight body (11) and low-weight yarn transfer elements (2) and the multiple weft device is driven directly by a highly dynamic servo motor (3). The loom can be o...	09/28/1993
5209272	Gripper changer for projectile looms A weft yarn changer on a projectile loom has a pivoted changer member (1) for at least two yarn transfer elements (2) each in the form of a slide rod (2a) and a yarn gripper (21). Slide bars for the yarn transfer elements (2) are provided on the changer m...	05/11/1993
5186218	Gripper changer for projectile looms A weft yarn changer on a projectile loom has a pivoted changer member (1) for at least two yarn transfer elements (2) each in the form of a slide rod (2a) and a yarn gripper (21). The slide rod (2a) is made of plastic and is longer radially than tangentia...	02/16/1993
5083585	Clamp element for a weft picking element A fork-like clamp element is provided for a weft yarn clamp for use in a rapier loom. The fork-like clamp element includes a clamping tongue, a securing part for securement in a rapier giver or rapier taker and a presser opposite the securing part. The se...	01/28/1992
5033515	Lengthwise partitioned gripper projectile for weaving machines A gripper projectile for weaving machines is partitioned in lengthwise direction according to a stepped partition line having at least one, but preferably several steps. A gripper spring device is inserted into the projectile and comprises two individual,...	07/23/1991
5031670	Yarn-gripper devices mounted on the weft-passing member of fixed weft magazines A yarn-gripper device mounted on the weft-passing member in a weaving loom which includes a movable jaw element which pivots about a first axis against the action of an elastic element which urges the movable jaw to close with a fixed jaw to grip yarn the...	07/16/1991
4915143	Selectively feeding one of a plurality of weft threads to a gripper projectile An apparatus for the selective feeding of one of a plurality of weft threads (1) to a gripper projectile, which moves along a projectile path (2), includes a plurality of displaceable feeders (3) each having a feeder clamp (7) for retaining a respective w...	04/10/1990
4858657	Yarn cutting device of the gripper shuttle type A yarn cutting device for weaving looms having fixed reserves of weft and which operate with a gripper type weft-carrying shuttle wherein the shuttle supports a guiding member which carries the yarn towards the shed on the side of the loom. The guiding me...	08/22/1989
4694867	Loom reed The reed is intended for looms having a guiding channel for a weft thread inserter and includes a plurality of plates interconnected at their bottom parts and each having a recess. The recesses of the plates jointly define the open guiding channel for a m...	09/22/1987
4693282	Lubricating system for a weaving machine A weaving machine having a lubricating system for lubricating the surface of picking instrumentalities during the operation of the weaving machine by supplying controlled droplets of lubricant in the amount of 0.01 through 0.05 cc at predetermined interva...	09/15/1987
4635684	Torsion bar mounting for a projectile weaving machine The projectile weaving machine is provided with a torsion bar arrangement wherein oil is delivered to a central part of the torsion bar during operation. The oil circuit includes an oil entry in or near the torsion bar mounting and an annular chamber whic...	01/13/1987
4529016	Apparatus for inserting weft wires in a weaving loom An apparatus for inserting weft wires in flat weaving power looms wherein a shuttle is moved by carriages which are disposed above and below the shed defined by the warp wires and which are guided by magnetic means and wherein the shuttle is a gripper shu...	07/16/1985
4518019	Lubricator for a weft picking element in a weaving machine The lubricator is disposed at the picking end of the picking element return device and has a guide duct for receiving a picking element prior to the next pick. The lubricator has oil mist nozzles which face only those surfaces of the picking element which...	05/21/1985
4294291	Shuttle retaining apparatus Shuttle control apparatus for looms having a shuttlebox rotatable 180° from a first, shuttle receiving, position to a second picking position, means for checking and positioning the shuttle to a predetermined picking position within the shuttle box, and ...	10/13/1981
4291731	Mechanism for launching grippers in gripper looms Mechanism for launching grippers in gripper looms, in which the launching power source is stationary and the gripper is provided with a guideway and means for controlling and defining the gripper path, such means being connected to the beat-up mechanism o...	09/29/1981
4205708	Lubricating system and method for a textile machine The lubricating system generates and delivers a programed sequence of gas (compressed air) pulses and lubricant-mist pulses to the lubricating stations of the textile machine. The pulses are determined by an electronic controller which selectively activat...	06/03/1980
4117869	Oil mist lubricated textile machine and method An apparatus and method for reducing contamination of areas ambient to a textile machine such as a machine having fabric forming instrumentalities for forming textile strand materials into fabric and a lubrication system for the fabric forming instrumenta...	10/03/1978
4111239	Apparatus for releasably securing a fluid-operated gripper shuttle in a launch position Facilities for temporarily holding a rear portion of a fluid-actuated piston rod coupled to a gripper shuttle in a weaving loom are described. Pressurized fluid is cyclically introduced into a chamber that communicates at its rear end with an elastomeric ...	09/05/1978
4108215	Control mechanism for gripper shuttles In gripper shuttle looms for a shuttle box which contains a groove for receiving a gripper shuttle and which rotates 180° to turn the shuttle around and has a braking member which cooperates with the groove to check the shuttle in the groove, and wherein...	08/22/1978
4082118	Pneumatic picking mechanism for looms Improvement in pneumatic shuttle picking mechanism for looms which include a picking cylinder and a pump cylinder; a first piston slidably mounted within the picking cylinder and having attached thereto a piston rod which extends through the outlet end of...	04/04/1978
4079758	Device for inserting the weft in a gripper shuttle loom A gripper shuttle loom is provided with apparatus for passing weft yarn through the warp, comprising a pair of opposed lances on opposite sides of the loom arranged to be moved in unison half way into the shed where gripper shuttles carried by the lances ...	03/21/1978
4068686	Technique for controllably reciprocating the weft insertion portion of a shuttle-type weaving loom Facilities for controllingly reciprocating a hydraulically-actuated piston coupled to a gripper shuttle are described. A first hydraulic fluid reservoir and the cylinder housing the shuttle-engaging piston are disposed in a unitary, substantially closed h...	01/17/1978
4027704	Method and device for dummy shuttle operation on conventional shuttle looms The method and device convert conventional shuttle looms into dummy shuttle looms, wherein weft yarns, unwound from stationary bobbins or the like outside the loom, are seized, pulled across the warp yarn shed and then released, by means of a so called du...	06/07/1977
4015642	Shuttleless loom of the type having unidirectional weft thread carriers A shuttleless loom having at least one weft thread carrier movable across the whole shed for inserting a weft thread between the warp threads, and a device for throwing and recovering the weft thread carrier. The device comprises a guide for returning the...	04/05/1977
3993104	Shuttle positioner and nipper opening device for loom The present invention relates to a weft pass loom comprising on the batten a shuttle provided with end grips for the weft threads as well as on the frame with devices for the correction of the shuttle position and for the opening of the shuttle grips, cha...	11/23/1976

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Class 139/438 - By gripper shuttle