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Class 139/116.1 - WEFT MANIPULATION


Subclass of Class 139 - Textiles: weaving
Definition: Apparatus or method for laying threads known as the weft
No. of patents: 63
Last issue date: 07/14/2009


1    
NumberTitleIssue Date
7559344Device and method for stretching
A thread stretching device for a weaving machine, especially an air jet weaving machine, includes a thread gripper (22) for gripping the weft thread (10) as a device for stretching a weft thread inserted into a shed. A mechanism (23) for deflect...
07/14/2009
7441567Needle loom with automatic change of the weft thread
A needle loom is provided with a bearing structure (2), one textile-product (P) forming head (3) installed on the bearing structure (2), two heddle frames (6) capable of intercepting a plurality of warp threads (O), one sickle (9) ...
10/28/2008
7350542Blowing nozzle for supporting a weft thread in a weaving machine
Blowing nozzle for supporting a weft thread in a weaving machine, provided with a flow-through canalisation (17) for a fluid tracing a bend (20) near the free end of the blowing nozzle (3) to subsequently flow into the environment via at least o...
04/01/2008
7337036Three-way connector for connecting weft feeders of textile machines to a serial bus, and a control system based thereon
The three-way connector comprises a first, a second and a third gates directly connected to one another. The first and second gate are pluggable onto respective spans of a bus, and the third gate is connectable to a weft feeder. The three-way connector further compr...
02/26/2008
7299827Loom 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
7231943Device 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
7195039Jet weaving machine
A jet weaving machine is proposed in which a weft thread (S) can be inserted by means of a fluid from a weft insertion side (2) to a receiving side (3), including a weaving sley (9), along which a weft insertion path (4) extends, which de...
03/27/2007
7128096Device for cutting discarded pile loop weft yarns in a fabric and weaving machine provided with such device
A device and weaving machine using the device for cutting discarded pile loop weft yarns in a fabric that is composed of a backing fabric consisting of weft yarns and warp yarns and that contains pile warp yarns by which, in one or several zones, pile loops are form...
10/31/2006
7073540Needle loom with automatic change of the weft thread
A needle loom comprises a supporting structure (2), at least one forming head (3) of a textile product (P) installed on the supporting structure (2), at least two heddle frames (6) capable of intercepting a plurality of warp threads (O), ...
07/11/2006
7028718Method for manufacturing a fabric and an apparatus for manufacturing a fabric
The present invention provides a method for manufacturing a fabric and an apparatus for manufacturing a fabric that enable weaving of weak fibers including monofilaments of noble metal such as 24-carat gold. The present invention provides a method for manufacturing ...
04/18/2006
6953066Method of disposing weft in a loom
The method of disposing the weft, in a loom for displacing the weft led into a weft insert nozzle by jetting the air current from a guide nozzle disposed in a reed sley and releasing the weft from the upstream side of the weft inset nozzle to the vicinity of an inta...
10/11/2005
6938648Method and apparatus for reducing weft waste in a gripper weaving loom
In a gripper weaving loom which weaves several different types of weft threads into a fabric, it is desirable to keep weft material waste to a minimum. For this purpose a weft thread (7) already inserted into the loom shed is simultaneously held by a weft pre...
09/06/2005
6938646Needleloom, weaving method, and textile articles formed thereby
A method of weaving tubular textile articles, comprising: forming first, second, third and fourth superposed layers of warp threads; weaving by weft insertion through sheds formed in said layers, the weaving being performed by first and second weft threads inserted ...
09/06/2005
6845792Thread 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
6840287Power loom with a device for cutting off a woof thread
A weaving machine, in particular an airjet loom, which is fitted with a system (16) for cutting a filling thread (12′), which is being held ready for filling insertion, from a filling (12) already beaten into a fabric (10), wherein the ...
01/11/2005
6763854Power loom with a device for cutting off a woof thread
A weaving machine, in particular an airjet loom, which is fitted with a system (16) for cutting a filling thread (12′), which is being held ready for filling insertion, from a filling (12) already beaten into a fabric (10), wherein said...
07/20/2004
6575200Weaving machine and method for manufacturing fabrics with pattern-forming weft threads such as Kelim or Gobelin fabrics
A weaving machine for manufacture of a fabric comprising a shed-forming device for forming a shed of warp threads, a selection device 22 comprising at least one rotatable element and a plurality of thread holders 31 for transmitting weft thread there thro...
06/10/2003
6450208Woven material comprising tape-like warp and weft and an aid for producing the same
The present invention concerns weaving. In particular, it is a woven material produced using tape-like warp and tape-like weft through the employment of a rotary type shedding means which also functions as a direct specific-weave patterning means and a pi...
09/17/2002
6446677Weft controlling device for using weft as warp in a strap weaving machine
A weft controlling device for using weft as warp in a strap weaving machine has motors mounted on an assembly board and controlling rods each movably connected to a corresponding one of the motors by a controlling thread and each controlling rod having a ...
09/10/2002
6289939High conductivity launder resistant grounding tape
A fabric grounding tape and method of making same is disclosed. In accordance with the method the tape is woven on a needle loom using polyester and stainless steel warp yarns. The yarns are maintained under tension during and after the weaving process an...
09/18/2001
6240977Method and apparatus for imparting and alternating twist and weaving a multi-ply yarn in continuous motion
An improved assembly for alternating twist in yarn, utilizing a pair of air jets in which compressed air is supplied producing a vortex that causes the yarn passing therethrough to experience a torque about the yarn's longitudinal axis. This apparatus is ...
06/05/2001
6164340Method and apparatus for temporarily activating a brake in a weaving loom
The brake components of a clutch brake combination in an automatic high speed loom are periodically cleaned to avoid delays in the brake action that occur following a prolonged loom operation without a stopping. The stopping signal is either derived from ...
12/26/2000
6109308Fringed selvage retainer operating device
A fringed selvage retainer operating device is incorporated into a shuttleless loom to operate a fringed selvage retainer for preventing the folding of free ends of weft yarns which form a fringed selvage of a fabric on the shuttleless loom on an arriving...
08/29/2000
6014990Filling yarn stretching device for a loom
A device for stretching an inserted filling (14), in particular for use in an airjet loom, includes a channel (5) adjoining a filling insertion conduit (4) of a reed (3), a blow nozzle directed at a branch channel intersecting the channel (5) in substanti...
01/18/2000
5832961Method and apparatus for manufacturing a woven slide fastener stringer
A holes whereby the frame is adapted for receipt of foundation warp yarns of a fastener tape. A mandrel projects from the frame for shaping a thermoplastic resin monofilament into a fastener element. An anchoring-weft-yarn carrier bar and a foundation-wef...
11/10/1998
5758697Method for weaving patterns having different yarn types alternately arranged in a 1/f fluctuation
A weaving method that imparts a 1/f fluctuation to the weave pattern. Adjacent and different numbered groups of different yarns, for example black yarn and white yarns, are alternately arranged in contiguous reed dents. The sequential number which is asso...
06/02/1998
5617902Weaving and bonding method to prevent warp and fill distortion
A method to prevent fiber distortion in textile materials employed in a modified weaving process. In a first embodiment, a tacifier in powder form is applied to the yarn and melted while on the fabric. Cool air is then supplied after the tacifier has melt...
04/08/1997
5601877Method of seam closure for sheet transfer and other paper processing belts
A method for closing a seam in a paper processing belt having a coating of polymeric resin material requires the use of a viscous paste obtained by mixing a polymeric resin material with a blowing agent. Following installation of the fabric, or belt, on a...
02/11/1997
5507321Heald frame for weaving a slide fastener stringer
A heald frame comprises: a heald support frame for supporting a plurality of healds in parallel, the heald support frame having a central plate portion and a pair of ring-shaped rectangular heald supporting portions extending in opposite directions from t...
04/16/1996
5255707Double reed apparatus for manufacturing a woven slide fastener stringer
An apparatus for manufacturing a woven slide fastener stringer includes a first reed for beating a filling yarn through a shed of warp threads against the fell of a tape being woven and a second reed for beating a monofilamentary fastener element having s...
10/26/1993
5131434Manufacture of an air bag fabric
An air bag fabric has zones of differing air permeability which are variable in shape and size. A dobby, tappet or Jacquard machine may be used to weave, into a fabric having tight basic weave, window-like zones with a weave which differs from the basic w...
07/21/1992
5035267Method of and apparatus for manufacturing a concealed woven slide fastener stringer
A method of and an apparatus for manufacturing a woven stringer for a concealed type of slide fastener having a row of continuous filamentary coupling elements woven integrally into a stringer tape. The row of coupling elements are formed into a continuou...
07/30/1991
4924914Weaving a slide-fastener stringer half with an integral coupling coil
A slide-fastener stringer is made by feeding a warp of warp filaments in a longitudinal warp direction to a weaving location, feeding to an edge of the warp at the weaving location a coupling coil formed by a multiplicity of turns each forming a coupling ...
05/15/1990
4915142Weft insertion control system for jet loom responsive to inserted weft end behavior
A weft insertion control system for a jet loom includes a weft yarn sensor for sensing a behavior of a forward end of an inserted weft yarn accurately, and a controlling system for controlling a weft inserting condition such as a fluid jet in accordance w...
04/10/1990
4838319Apparatus and method for starting a jet loom
Apparatus and method for removing a faulty weft from the shed of a jet loom upon stoppage of the loom and for restarting the loom thereafter. A mechanism generates a detection signal upon detecting the presence of the delivery of weft from a supply source...
06/13/1989
4836251Method of producing a slide-fastener stringer on a needle loom
A method of producing a continuous slide fastener strip by weaving on an automatic needle loom, warp yarns for support tape and warp yarns for tying-in being guided to form sheds, weaving needles being used to pick weft yarns for the support tape and a pl...
06/06/1989
4821779Method 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
4781221Mispicked 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 mispicked weft yarn is beaten up by a reed. The mispicked weft ya...
11/01/1988
4732179Automatic picking conditions regulating method and a device for carrying out the same
An automatic picking conditions regulating device regulates the picking conditions of one of the same of a picking device having a picking nozzle which picks a weft yarn by jetting a pressurized picking fluid, in order to pick a weft yarn so that the same...
03/22/1988
4653544Weft cancellation mechanism for gripper looms
A weft cancellation mechanism for gripper looms, characterized by consisting primarily of a bar (7) located in a position situated between the feed of the weft (4) and the shed (2) which forms an angle with the weft or wefts (4), this bar (7) being attach...
03/31/1987
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