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Class 28/267 - By direct fluid application to chamber plug


Subclass of Class 28 - Textiles: manufacturing
Definition: Method or apparatus wherein a gas or liquid contacts the
No. of patents: 39
Last issue date: 02/05/2008


NumberTitleIssue Date
7325284Apparatus and method for texturizing yarn
A texturizing apparatus comprising a drive housing having a false twist inlet to allow a plurality of yarns to enter the drive housing, a pair of opposing counter-rotating nip rollers positioned downstream of the false twist inlet, each nip roller having a circumfer...
02/05/2008
7278191Apparatus and method for texturizing yarn
A texturizing apparatus comprising a drive housing having a false twist inlet to allow a plurality of yarns to enter the drive housing, a pair of opposing counter-rotating nip rollers positioned downstream of the false twist inlet, each nip roller having a circumfer...
10/09/2007
7270777Method and apparatus for producing a low-shrinking smooth yarn
A method and apparatus for producing a high-strength and low-shrinkage synthetic flat yarn. After melt spinning, the filaments are combined to a yarn and drawn. Subsequently, the yarn is compressed to form a plug under the influence of heat. This plug is transported...
09/18/2007
7185406Device and method for treating an elongated medium
A device for treatment of an elongated medium with at least two first rotational bodies, which are pivoted around predefined rotational axes, whereby the rotational axes are essentially parallel to one another, with at least two second rotational bodies, which are p...
03/06/2007
7168141Method and apparatus for stuffer box crimping a multifilament yarn
A method and an apparatus for stuffer box crimping a multifilament yarn consisting of one or more fiber bundles, wherein a conveying fluid is introduced into a yarn channel via a plurality of fluid feed channels, with each channel carrying a partial flow. The yarn i...
01/30/2007
7155787Method and apparatus for stuffer box crimping a multifilament yarn
A method and an apparatus for stuffer box crimping a multifilament yarn, wherein the yarn being processed is pneumatically advanced by means of a conveying fluid into a stuffer box chamber and compacted to a yarn plug, with the conveying fluid leaving the stuffer bo...
01/02/2007
7097803Process of making a corrugated net material
The present invention is to provide a process of making a corrugated net material including the following steps. First prepare a net material with an adequate length, and then heat and soften the net material by means of a heating element. March the soften net mater...
08/29/2006
6826813Method and apparatus for stuffer box crimping an advancing multifilament yarn
A method and an apparatus for stuffer box crimping a multifilament yarn, wherein the yarn is conveyed into a crimping device in two steps. In the first step, the yarn is taken in by a conveying fluid stream of a first feed nozzle at a yarn intake speed. In the secon...
12/07/2004
6718603Apparatus and method for producing frieze yarns
A method for crimping yarn wherein the yarn is fed into a compaction channel of a stuffer box to obtain uniform crimping, and the crimped yarn is pre-set and guided to the outlet of the stuffer box by a pre-setting fluid. A pre-setting and guiding chamber of the stu...
04/13/2004
6543106Apparatus, method and system for air opening of textile tow and opened textile tow web produced thereby
The invention provides an air opening jet for use in a process for making a rectangular structure made from a tow of fibers, such air opening jet including a housing, an air jet for moving the tow through the housing and opening the tow, and an accumulati...
04/08/2003
6385827Apparatus and method for texturing yarn
Method and apparatus for texturing yarns that encompasses, after stopping the moving yarns during normal operations, increasing the opening size of the outlet of the stuffer box, and injecting a fluid through the interior of the stuffer box. The fluid ent...
05/14/2002
6253431Air opening jet apparatus
The invention provides an air opening jet for use in a process for making a rectangular structure made from a tow of fibers, such air opening jet including a housing, an air jet for moving the tow through the housing and opening the tow, and an accumulati...
07/03/2001
6088891Device for crimping synthetic thread bundles or strips
A device for crimping synthetic thread bundles or strips has a machine frame, two rollers supported in a machine frame and forming between their jacket a narrow roller gap for delivering a thread bundle or strip, with the first roller provided on its face...
07/18/2000
5601765Method for manufacturing crimped solvent-spun cellulose fibre of controlled quality
Crimped fibres of solvent-spun cellulose are made and checked for damage in a method in which: i) cellulose is dissolved in an amine oxide solvent to form a hot cellulose solution, ii) the hot cellulose solution is extruded through a die assembly to form a ...
02/11/1997
5591388Method of making crimped solvent-spun cellulose fibre
Staple fibres of solvent-spun cellulose are made by a method in which: i) cellulose is dissolved in an amine oxide solvent to form a hot cellulose solution, ii) the hot cellulose solution is extruded through a die assembly to form a tow of continuous filaments...
01/07/1997
5485662Apparatus and method for crimping fiber for nonwoven applications
Apparatus and method for crimping fiber, especially polypropylene fiber, includes feeding a tow through driven rolls into a stuffer box. Heat, in the form of steam, is applied to the tow prior to the rolls. The stuffer box includes doctor blades for cooli...
01/23/1996
5419023Apparatus for crimping tow and application of finish to the tow
An apparatus for crimping continuous tow of textile material and application of the finish to the crimped continuous tow, including a pair of rollers and a stuffer box chamber having two regions therein. In particular, the stuffer box chamber has a first ...
05/30/1995
5187845Method for heating crimped fibers and product thereof
A method of producing crimped tow by continuously feeding a tow against an adjustable counter pressure means; the tow is maintained at an average predetermined thickness and steam enters the chamber and is exhausted from the chamber in a manner to provide...
02/23/1993
5088168Yarn texturing apparatus with heat sensor in stuffer box to control heat flow
A yarn texturing apparatus is disclosed which includes a nozzle having a yarn duct therethrough, and a perforated stuffer box at the outlet end of the duct. Heated air is introduced into the duct, and the air is heated by a heater which is positioned in t...
02/18/1992
4956901Apparatus and process for forming a wad of yarn
A layered yarn package is formed of continuous filament yarn wads wherein the yarn alternates between compacted an extended lengths by axially compacting the yarn into a length, segmenting the length into alternating extended and compacted lengths then ar...
09/18/1990
4854020Process for treatment of filament cable
Filament cables are crimped and the crimp cake of the filament cable obtained is passed over a gas permeable screen plate while gas flows to the bottom of the cake from flow through the screen plate so that the cake can be moved over the plate without mak...
08/08/1989
4316312Apparatus for intermittent application of fluid to yarn at a texturing device
This invention relates to method and apparatus to intermittently apply a treating fluid to a wad of yarn in a texturing device comprising intermittently injecting the fluid under pressure into at least one port at the texturing device and impregnating the...
02/23/1982
4315355Strand crimping treatment
Textile strands are dyed while being bulked or crimped by lengthwise compression. The dyestuff advantageously is supplied in finely divided liquid or preferably solid form and is injected, as by aspiration or by positive pressure methods, into fluid hot e...
02/16/1982
4268940Process and apparatus for crimping filament yarn
Process and apparatus for controlling a filament pad in the stuffing chamber of a pneumatic crimper and for imparting an improved filament cohesion to the crimped filament yarn within said crimper....
05/26/1981
4258457Method for coating and crimping synthetic thermoplastic
Synthetic thermoplastic fibers are produced by drawing the fibers, applying a finishing agent to the drawn fibers, and crimping the fibers in the presence of steam in a crimping zone wherein there are present a defined first region of low but increasing s...
03/31/1981
4221838Crimped thermoplastic fibers
The crimped products are produced having a more permanent bulkiness which resists deterioration during further processing and subsequent use. Such products are disclosed having deposited on the surface of the fibers a thin coating of a finishing agent com...
09/09/1980
4197622Wet tow crimping process
Utilization of finish and recovery of materials for control of pollution are improved in a tow crimping process wherein an advancing tow of fibers which have been processed in an aqueous bath or series of aqueous baths is uniformly compressed in a confine...
04/15/1980
4188691Process and apparatus for crimping filament yarn
Process and apparatus for crimping a filament yarn, the process employed comprising forcing a hot fluid entrained filament yarn into a stuffing chamber in one direction, forcing a cold fluid from an opposite direction into a staying control chamber locate...
02/19/1980
4158298Device for continuous wet treatment of textile webs
A device is provided for the continuous treatment of relatively wide textile webs in a treatment medium, wherein the web and the treatment medium move through a trough having squeezing rollers associated therewith for intensifying the treatment of the web...
06/19/1979
4148179Method and apparatus for yarn treatment
A process and apparatus for modifying the properties of a bulked yarn in which the bulked yarn is passed through a conduit and is subjected therein to twisting by fluid and at least one cycle of softening the yarn by heated fluid and cooling by fluid....
04/10/1979
4133087Method and apparatus for texturizing continuous filaments
Continuous filaments are fed by aspiration into a stream of heated fluid. The filaments are then contacted with at least a second stream of heated fluid to increase the temperature of the filaments. The combined streams of fluid containing the filaments a...
01/09/1979
4115907Fiber process
A process and apparatus for the continuous production of heat-set, crimped, thermoplastic filaments by passing a tow of filaments through a stuffer box crimper and then a heat setting device attached to the exit of the crimper. The tow in the crimping cha...
09/26/1978
4040153Method and apparatus for restraining a yarn wad
Yarn in the form of a yarn wad is passed to a cooling and restraining zone wherein the surfaces of a plurality of balls are pressed directly against the surface of the yarn wad and simultaneously the movement of the balls relative to the yarn wad is restr...
08/09/1977
4019229Yarn texturing apparatus
Apparatus is disclosed for texturing thermoplastic continuous filament yarn wherein the distance that the yarn in compacted form moves forward in a texturizer is controlled by a particular device. The device comprises a plurality of stationary elongated j...
04/26/1977
3988882Method and apparatus for simultaneously texturizing and cutting continuous yarns
Methods of and apparatus for processing yarn in order to texturize and cut the yarn include using a fluid to direct yarn into a tube having a rotating spindle therein around which the yarn forms a wad. At least part of the fluid is exhausted from the tube...
11/02/1976
3965548Crimper startup method and system
In a tow processing system that includes a draw machine operating in conjunction with a tow crimper that has a clapper for exerting counterpressure at the outlet end of the crimper, draw machine tachometer-generator signals are converted to proportionate ...
06/29/1976
3955254Apparatus for treating yarn with fluid material
Methods of and apparatus for treating yarn with a fluid material include a chamber through which the yarn is advanced and an injection nozzle for impinging fluid on the yarn as it advances through the chamber. The injection nozzle is registered with a flu...
05/11/1976
3955255Textile crimping apparatus
Textile stock, natural or synthetic, is taken from a carding machine or garnett and delivered to a sloping web infeed pan. Jets of air from air nozzles direct and boost the textile web into a trumpet immediately in advance of pressurized web compressing a...
05/11/1976
3952933Strand treatment apparatus and method
Conveyor apparatus for temporary holdup of textile strands, especially crimped strands for setting. Screenlike conveyor belts receive the strand between downwardly converging flights and discharge the strand from between upwardly diverging flights. The co...
04/27/1976
 
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