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Class 139/429 - Weaving with stationary weft supply


Subclass of Class 139 - Textiles: weaving
Definition: Device in which the weft is drawn from a bulk supply means
No. of patents: 60
Last issue date: 10/28/2008


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NumberTitleIssue Date
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
7191804Thread clamp for a weaving machine
A thread clamp for a weaving machine includes a clamp having at least two clamping parts between which a thread may be clamped and an actuator arranged to move the clamping parts between clamping and unclamped positions. The actuator is arranged to operate the clamp...
03/20/2007
7178560Device and method for inserting weft threads in a weaving machine, and thread clamp used therewith
A device for inserting weft threads in an airjet weaving machine including at least one main blower and a respective thread clamp associated with the main blower. The thread clamp is constituted of an element configured in a modular form. Such modular form enables s...
02/20/2007
7077169Gripper for an Axminster gripper weaving machine
A gripper for an Axminster weaving machine comprises at least two clamping parts (2,3) connected to one another and moving with respect to one another for clamping and releasing a pile yarn. The clamping parts (2,3) are interconnected by means of inter...
07/18/2006
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
7059357Warp-stitched multilayer papermaker's fabrics
A warp-stitched multilayer papermaker's fabric has a set of bottom warp yarns, a set of bottom weft yarns, a set of top weft yarns and a set of warp stitching yarn pairs. The bottom warp yarns are interwoven with the bottom weft yarns. The stitching warp yarns inter...
06/13/2006
6962172Textile machine and control method thereof
A textile machine comprising at least one frame (2) supporting a plurality of healds (3), a sickle (6), a needle (8), a compacting device (201) and a main shaft (12) for a synchronized movement of the frames (2), sick...
11/08/2005
6959737Machine direction yarn stitched triple layer papermaker's forming fabrics
Triple layer papermaker's forming fabrics having a set of top MD yarns that are interwoven exclusively with a set of top CMD yarns to form at least part of a top fabric layer and a set of bottom MD yarns that are interwoven exclusively with a set of bottom CMD yarns...
11/01/2005
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
5575314Weft cutter for air loom which is controllable as a function of weaving conditions
A weft cutter for an air loom in which a movable blade is hinged to the ram of a pneumatic cylinder which is pneumatically fed through a solenoid valve provided at its inlet with a pressure regulator. The ram is kept in a rest position by a return spring ...
11/19/1996
5188153Fill yarn insertion and beatup using inflatable membrane
An apparatus and method for integral fill yarn insertion and beatup is provided. A modified rapier contains a channel for holding fill yarn. The channel is covered with a flexible and inflatable boot, and an inflating apparatus for this boot is also attac...
02/23/1993
4910805Knit or woven fabric
A knit or woven fabric that can be produced from raw silk on a commercial scale and found that this object can be attained by a knit or woven fabric that employs a tubular braid made from raw silk which is optionally blended with other fibers. The present...
03/27/1990
4834145Apparatus and method for cutting an inserted weft thread
A method and apparatus for cutting a weft thread are disclosed in which a completely separate, independent drive system for the weft thread cutter and clamping device enables the cutting time to be optimized without affecting the main drive system for the...
05/30/1989
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
4815501Method of discriminating and change a yarn package
In a fluid jet loom, almost all the faulty picks are attributable to defects in the quality of the weft yarn. The present invention detects matters for evaluating the physical properties of the weft yarn or matters for evaluating the result of the picking...
03/28/1989
4760869Loom reed
A weaving machine reed which has a protective strip connected to the reed on the end adjacent the fill yarn insertion device. The protective strip basically consists of a vetically elongated piece of metal with a ceramic material mounted centrally of the ...
08/02/1988
4750528Faulty weft remover for a fluid jet loom
In construction of a faulty weft remover for a fluid jet loom equipped with a rotary take-up drum and a reciprocal cutter assembly, a common drive source is provided for selective, phased and independent driving of the take-up drum and the cutter assembly...
06/14/1988
4729411Air jet weaving machine
In an air jet weaving machine having: a picking nozzle (61, 62) outside the shed (15); and a weft yarn deflector (7, 90, 23) disposed between such nozzle and the shed (15) and operative to keep the weft yarn (5) away from the shed in response to a machine...
03/08/1988
4722370Method for conveying a weft thread by means of a flowing fluid through the weaving shed in a shuttleless weaving machine, as well as weaving machine adapted for applying said method
The invention aims at equalizing weft time differences when launching successive threads and thereby obtaining a more uniform cloth. For that purpose the thread velocity in the initial phase of the weft is measured and on the basis thereof an additional p...
02/02/1988
4699182Fringe reduction mechanism
In an air jet loom having a movable suction conduit operatively connected to a suction source, a particular fringe cutting mechanism and waste fringe removal mechanism are provided that minimize yarn waste and minimize loom downtime. The fringe cutting me...
10/13/1987
4688606Improper weft removing device for shuttleless looms
An improperly inserted weft removing device for a shuttleless loom which weaves a fabric by picking a weft measured and stored on a measuring and storing device into a shed of warps by the agency of a jet of a fluid jetted through a picking nozzle, said w...
08/25/1987
4646790Cutting mechanism for a weaving machine
The weaving machine comprises a reed and a cutting mechanism which is associated with the cloth edge on the picking side and which has a cutting element lowerable at the picking cadence from a neutral normal position above an imaginary prolongation of the...
03/03/1987
4607667Apparatus for severing inserted filling yarns and method
In a loom of the type wherein the filling yarn is inserted into the warp shed in the form of cut lengths and wherein a reed serves for beating-up the inserted filling yarn into the fabric at the fell of the cloth, the combination therewith of improved mea...
08/26/1986
4601314Method and apparatus for operating a weaving machine
The picking apparatus operates to pick a weft yarn into a shed with a predetermined excess length. A weft stretching nozzle receives the excess length at the forward end of the weft thread while stretching the weft yarn from the catching side of the shed....
07/22/1986
4587996Weft yarn control for a weaving machine rotor
The weft yarn control employs a weft clamping and severing device on each of the picking side and catching side of the weaving rotor. Each device includes a suction tube into which the end of the weft yarn can be drawn, a spring for guiding a weft yarn en...
05/13/1986
4579151Machine for making a partly woven partly knitted fabric
Machine for manufacturing knit-woven fabrics comprising stitch wales and warp thread which lie between said stitch wales and which are interlaced, in a weave, by connecting loops of said stitches. The machine has lapping elements which are movable between...
04/01/1986
4576208Weft severing device for a weaving machine
The weft severing device is used for superposed shed type weaving machines and has at least one shear which has a blowing tube. The tube is supplied with blowing air to convey the weft thread. To sever the weft thread, the blowing tube is moved into the c...
03/18/1986
4570683Yarn holding device
A yarn end holding device for a loom, the device including a fluid channel along which a fluid flow is directed to draw the yarn end into the channel and clamp means positioned to receive the yarn end and hold it during beat-up....
02/18/1986
4541460Shuttleless weaving machine
When cutting the successive weft lengths after they have been inserted into the weaving shed, the tail ends are retained in a clamping device. Thereby shifting the weft lengths in the winding direction of the cloth is difficult. According to the invention...
09/17/1985
4531555Yarn cutter for shuttleless loom
A yarn cutter for a shuttleless loom, particularly for a water jet loom, comprising a pair of knife bodies each having a cutting edge formed of a ceramic and being driven for relative sliding motion in mutual contact....
07/30/1985
4529010Shuttleless weaving machine comprising means for removing faulty weft threads from the weaving shed
This weaving machine comprises a device for removing faulty weft threads from the weaving shed or the woven cloth respectively, also if they have already been cut from the yarn supply during the weaving cycle. The device has a reciprocatable mechanical re...
07/16/1985
4520850Apparatus in a shuttleless weaving machine for making a selvage
The auxiliary warp threads required in a shuttleless weaving machine to form a detachable catch selvage are guided through a special auxiliary reed. In the rest position, the auxiliary reed is positioned tightly against the main reed. The auxiliary reed i...
06/04/1985
4513791Leno selvaging and stretch nozzle system
A leno selvage and stretch nozzle system for an air jet loom utilizing a Venturi device receptive of pressurized air from the air jet system to provide vacuum at a tensioning nozzle mounted on the loom reed. The Venturi device exhausts into a second Ventu...
04/30/1985
4494579Thread clamp, particularly for jet looms
A thread clamp, designed for periodically retaining a weft yarn in a loom of the shuttleless type, comprises a housing with a stationary insert having front and rear recesses spanned by respective membranes defining therewith two chambers of variable volu...
01/22/1985
4471817Fluid weft insertion loom monitoring system
A monitoring unit for a fluid weft insertion loom monitors the yarn supply withdrawal....
09/18/1984
4470435Selvedge cutting device for a weaving machine
A selvedge cutting device for a weaving machine or loom serves to cut the selvedge from the fundamental weave or foundation fabric prior to winding-up the same and contains a scissor structure composed of two mutually contacting scissor blades. The one sc...
09/11/1984
4467841Clamping jaw arrangement of a thread clamp for textile yarns or the like
A thread clamp for textile yarns or the like comprises two clamping jaw supports which can be moved relatively towards and away from one another. Each of the clamping jaw supports carries a respective clamping jaw. The clamping jaw of one of the clamping ...
08/28/1984
4450874Yarn clamp
An improved solenoid actuated yarn clamp for controlling the flow of a moving strand of yarn particularly in conjunction with a fluid weft insertion loom. The improved clamp is double acting, being displaced positively between an operative yarn clamping p...
05/29/1984
4434817Edge yarn clamp for a weaving machine
The edge yarn clamp for a weft yarn is provided with a push-on resilient shoe on the metal clamping jaw. The resilient shoe includes a curved clamping cap on a rearward part to reliably retain the shoe in place while permitting an ease of fitting-on....
03/06/1984
4431036Mechanism for braking a weft yarn in a weaving machine
The flexible brake band is mounted between a fixed bracket and a movable carrier. The carrier has an arm which is telescopically mounted within a tubular arm mounted on the bracket and is biased by a spring away from the bracket. An adjustment screw is pr...
02/14/1984
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