US3881231A - Cylindrical baffle for yarn texturing air jet - Google Patents

Cylindrical baffle for yarn texturing air jet Download PDF

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Publication number
US3881231A
US3881231A US481555A US48155574A US3881231A US 3881231 A US3881231 A US 3881231A US 481555 A US481555 A US 481555A US 48155574 A US48155574 A US 48155574A US 3881231 A US3881231 A US 3881231A
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US
United States
Prior art keywords
yarn
air jet
baffle
exit orifice
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US481555A
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English (en)
Inventor
Samuel T Price
Richard J Polney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enterprise Machine & Dev
ENTERPRISE MACHINE AND DEVELOPMENT Corp
Original Assignee
Enterprise Machine & Dev
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enterprise Machine & Dev filed Critical Enterprise Machine & Dev
Priority to US481555A priority Critical patent/US3881231A/en
Priority to CA220,483A priority patent/CA1026540A/en
Priority to FR7506587A priority patent/FR2275575A1/fr
Priority to BE153963A priority patent/BE826248A/xx
Priority to GB901975A priority patent/GB1474497A/en
Priority to NLAANVRAGE7502520,A priority patent/NL177760C/nl
Priority to IT48473/75A priority patent/IT1029960B/it
Priority to DK90275*#A priority patent/DK90275A/da
Priority to JP2944975A priority patent/JPS5330823B2/ja
Priority to DE7507492U priority patent/DE7507492U/de
Priority to DE2510397A priority patent/DE2510397C2/de
Application granted granted Critical
Publication of US3881231A publication Critical patent/US3881231A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/16—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam
    • D02G1/161—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using jets or streams of turbulent gases, e.g. air, steam yarn crimping air jets

Definitions

  • the present invention is concerned particularly with yarn texturing air jets of the type having an elongate housing with a central bore extending therethrough and wherein the yarn enters one end of the air jet and passes out of the exit end.
  • the pressurized air is di rected into the central bore of the housing to contact the yarn and pass outwardly through the exit end to impart crimps, curls and loops to the filaments as the yarn passes through the air jet.
  • the textured yarn leaving the exit end of the air jet is usually directed at a right angle to the longitudinal path of travel of the yarn through the air jet.
  • the cylindrical baffle is supported for vertical and horizontal ad justment adjacent the exit end of the air jet and the lower portion of the baffle has a uniform radius for engaging and directing the yarn in a semicircular path downwardly from the exit orifice of the air jet and beneath the lower portion of the cylindrical baffle.
  • the baffle is engaged by the yarn and the pressurized air passing outwardly through the exit orifice with some of the pressurized air being deflected downwardly and forming a low pressure area between the exit orifice and the baffle and beneath the yarn leaving the exit orifice. Also, some of the pressurized air follows the yarn in its semicircular path of travel beneath the lower portion of the baffle.
  • the yarn After initial contact is made by the yarn against the cylindrical baffle passing directly from the exit orifice of the air jet, the yarn actually leaves contact with the lowest point of the cylindrical baffle and then again contacts the surface of the cylindrical baffle as it is directed upwardly and maintains contact until it leaves the cylindrical baffle, on the opposite side of the cylindrical baffle from the exit orifice of the air jet.
  • FIG. 1 is an isometric view of a yarn texturing air jet and illustrating the cylindrical baffle of the present invention supported adjacent the exit end of the air jet;
  • FIG. 2 is an enlarged vertical sectional view through the air jet and cylindrical baffle, being taken along the line 2-2 in FIG. 1;
  • FIG. 3 is an enlarged fragmentary view of the central portion of FIG. 2, and with the cylindrical baffle adjusted to a lower position than that shown in FIG. 2.
  • the yarn texturing air jet illustrated in the drawings includes an elongate housing 10 having a central bore 11 extending therethrough and from the entrance end to the exit end thereof.
  • a venturi 12 is supported for longitudinal adjustment in the central bore 11 and in the exit end of the housing 10.
  • An inwardly tapering conical surface is provided on the inner or entrance end of the venturi 12 to define the exit end of a turbulent chamber.
  • the outer end portion of the venturi I2 is fixed in a venturi cap 14 which is threadably supported on the threaded exit end portion of the housing 10 so that the venturi 12 may be longitudinally adjusted along the central bore 11 by rotation of the venturi cap 14.
  • a lock ring 15 is threadably supported on the threaded exit end of the housing 10 and adjacent the venturi cap 14 so that the venturi 12 may be locked in adjusted position.
  • a yarn guiding needle 16 is positioned in the central bore I I of the housing 10 and its outer or entrance end is fixed in an end flange 17 which is suitably secured to the entrance end of the housing 10.
  • An axial yarn guiding channel 18 extends throughout the length of the needle 16 for directing multifilament yarn through the needle 16 and through the venturi 12.
  • An inlet pipe 20 is connected to the housing 10 for directing pressurized gas or air into the central bore 11 of the housing 10.
  • One or more passageways 21 are provided in the needle 16 so that the pressurized air is moved along the inner end portion of the needle and into the turbulent cham her or zone provided between the exit end of the needle 16 and the entrance end of the venturi 12.
  • the multifilament yarn Y enters the entrance end of the air jet and passes through the axial yarn guiding channel 18 and the needle 16, through the turbulent chamber defined between the inner or exit end of the needle 16 and the entrance end of the venturi 12, through the venturi l2, and is then directed around and beneath the cylindrical baffle of the present invention, in a matter to be presently described.
  • the yarn Y is then wound onto a suitable take-up package, not shown.
  • means for enhancing the crimps. curls and loops im parted to the yarn by the air jet and for texturing the yarn at two to three times the rate at which such yarn has heretofore been textured in the air jet.
  • a baffle is supported adjacent the exit orifice for engaging the yarn and the escaping air pressure from the air jet.
  • the lower portion of the baffle 30 is cylindrical and has a uniform radius for engaging and directing the yarn in a semicircular path downwardly from the exit orifice and beneath the lower portion of the baffle.
  • some of the pressurized air follows the yarn in its semicircular path of travel beneath the lower portion of the baffle 30 and draws the yarn away from the lower surface and out of engagement with the lower pe riphery of the cylindrical baffle.
  • the portion of air which follows the yarn around the baffle 30 also follows the yarn until it leaves contact with the baffle at a point opposite the exit orifice and at substantially the level of the axis of the cylindrical baffle.
  • the cylindrical baffle 30 is illustrated as having a flat upper surface, indicated at 31, however it is to be understood that the baffle could be completely cylindrical, if desired. As illustrated in FIGS. 2 and 3, the yarn initially engages a portion of the cylindrical baffle which is spaced below the axis of the cylindrical baffle.
  • the cylindrical baffle 30 is illustrated in FIG. 2 as being at a higher position than the cylindrical baffle 30 illustrated in FIG. 3, and in all instances the axis of the semicircular lower portion of the baffle 30 will be positioned above the level of the exit orifice of the air jet.
  • the cylindrical baffle 30 is supported on the housing 10 of the air jet for both vertical and horizontal adjustment of the axis of the semicircular lower portion of the baffle relative to exit orifice of the air jet.
  • a support block 32 is fixed on the upper portion of the elongate housing 10 and a support bar 33 is supported for longitudinal adjustment at one end on the block 32 and extends forwardly above the exit orifice of the air jet.
  • the rear end of the support bar 32 is slotted, as at 34 (FIG. 1) and a threaded screw 35 extends through the slotted opening 34 and into the housing or support block 32 so that the support block 33 may be adjusted forwardly and rearwardly relative to the air jet.
  • Guide legs 36, 37 extend downwardly from the forward end of the support bar 33 and on opposite sides of the cylindrical baffle 30.
  • Means is provided for sup porting the cylindrical baffle for vertical adjustment beneath the support bar 33 and between the guide legs 36 and 37 and includes a vertical control shaft 40 supported for rotation adjacent its upper end in the forward end of the support bar 33.
  • An enlarged head end 41 is fixed on the upper end of the control shaft 40 and extends above the support bar 33 for manually imparting rotation to the control shaft 40.
  • the lower end of the control shaft 40 is threaded and mates with a threaded bore 42 in the upper surface of the cylindrical baffle 30 so that rotation of the enlarged head 41 imparts vertical adjustment to the cylindrical baffle 30.
  • Means is provided for locking the vertical control shaft in adjusted position to prevent rotation thereof and to thereby maintain the cylindrical baffle 30 in adjusted position and includes a said screw 43 threadably supported in the forward end of the support bar 33 and having its inner end in engagement with the control shaft 40.
  • a vertically extending guide pin 44 is fixed at its upper end in the forward end of the support bar 33.
  • the upper portion of the baffle 30 is provided with a vertical bore therein for receiving the lower end of the guide pin 44 to guide the cylindrical baffle 30 during vertical adjustment thereof.
  • the cylindrical baffle 30 may be horizontally and vertically adjusted so that it is positioned closely adja cent to the exit end of the air jet. Once the yarn is run ning through the air jet, the vertical position of the cylindrical baffle 30 is adjusted by rotation of the wheel 41 until stability in the thread line of the yarn leaving the cylindrical baffle is noted. Also, the position of the cylindrical baffle 30 is varied until the proper noise level and pitch of the air is obtained. After a little practice, the operator can recognize the proper adjusted position of the baffle to obtain the best texturing of the yarn.
  • cylindrical baffle 30 permits higher operating speeds and enhances the crimps, curls and loops in the yarn, it has been verified that a definite low pressure area is provided beneath the yarn as it leaves the air jet. This low pressure area is sufficient strength to support objects placed therein during operation of the air jet. Also, it may be possible that the provision of the cylindrical baffle 30 at the exit end of the air jet also causes some of the air pressure to echo back into the texturing chamber of the air jet to set up vibrations of a particu lar harmonic frequency in the chamber and thereby control the amount of turbulence in the turbulent chamber.
  • a yarn texturing air jet according to claim 1 wherein the axis of the semicircular lower portion of said baffle is positioned above the level of said exit orifice of said air jet.
  • a yarn texturing air jet according to claim 1 wherein said horizontal adjustment means comprises a block fixed on the upper portion of said elongate housing of said air jet, a support bar supported for longitudinal adjustment at one end on said block and extending forwardly above said exit orifice of the air jet, a pair of guide legs extending downwardly from the other end of said support bar and on opposite sides of said baffle, and means supporting said baffle for vertical adjustment beneath said other end of said support bar and between said guide legs.
  • a yarn texturing air jet according to claim 4 including means for locking said vertical control shaft in adjusted position to prevent rotation thereof and to maintain said baffle in adjusted position.
  • a yarn texturing air jet according to claim 4 including a vertically extending guide pin having an upper end fixed in said other end of said support bar, and the upper portion of said baffle having a vertical bore therein for receiving the lower end of said guide pin to guide said baffle during vertical adjustment thereof.
US481555A 1974-06-21 1974-06-21 Cylindrical baffle for yarn texturing air jet Expired - Lifetime US3881231A (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
US481555A US3881231A (en) 1974-06-21 1974-06-21 Cylindrical baffle for yarn texturing air jet
CA220,483A CA1026540A (en) 1974-06-21 1975-02-20 Cylindrical baffle for yarn texturing air jet
FR7506587A FR2275575A1 (fr) 1974-06-21 1975-03-03 Chicane cylindrique pour jet d'air de texturisation
GB901975A GB1474497A (en) 1974-06-21 1975-03-04 Cylindrical baffle for yarn texturing air jet
NLAANVRAGE7502520,A NL177760C (nl) 1974-06-21 1975-03-04 Met een luchtstraal werkende inrichting voor het textureren van een garen.
BE153963A BE826248A (fr) 1974-06-21 1975-03-04 Chicane cylindrique pour jet d'air de texturisation
IT48473/75A IT1029960B (it) 1974-06-21 1975-03-05 Perfezionamento nei dispositivi di testurizzazione di filati a getto di aria
DK90275*#A DK90275A (da) 1974-06-21 1975-03-06 Luftdyse til fremstilling af garn
JP2944975A JPS5330823B2 (nl) 1974-06-21 1975-03-10
DE7507492U DE7507492U (de) 1974-06-21 1975-03-10 Zum texturieren von garn dienende druckluftduese
DE2510397A DE2510397C2 (de) 1974-06-21 1975-03-10 Vorrichtung zum Texturieren von Garn mit einer Druckluftdüse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481555A US3881231A (en) 1974-06-21 1974-06-21 Cylindrical baffle for yarn texturing air jet

Publications (1)

Publication Number Publication Date
US3881231A true US3881231A (en) 1975-05-06

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ID=23912414

Family Applications (1)

Application Number Title Priority Date Filing Date
US481555A Expired - Lifetime US3881231A (en) 1974-06-21 1974-06-21 Cylindrical baffle for yarn texturing air jet

Country Status (10)

Country Link
US (1) US3881231A (nl)
JP (1) JPS5330823B2 (nl)
BE (1) BE826248A (nl)
CA (1) CA1026540A (nl)
DE (2) DE7507492U (nl)
DK (1) DK90275A (nl)
FR (1) FR2275575A1 (nl)
GB (1) GB1474497A (nl)
IT (1) IT1029960B (nl)
NL (1) NL177760C (nl)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633264A1 (de) * 1975-07-24 1977-02-17 Du Pont Texturiervorrichtung
US4041583A (en) * 1976-05-20 1977-08-16 E. I. Du Pont De Nemours And Company Yarn texturing jet
US4095320A (en) * 1977-03-09 1978-06-20 Enterprise Machine And Development Corporation Yarn texturing air jet
US4096612A (en) * 1976-10-13 1978-06-27 E. I. Du Pont De Nemours And Company Jet for fluid texturing yarn
US4097975A (en) * 1976-07-29 1978-07-04 Heberlein Maschinenfabrik Ag Nozzle assembly for texturing synthetic filaments
US4104770A (en) * 1977-05-31 1978-08-08 E. I. Du Pont De Nemours And Company Yarn treating jet moving a rotating baffle and deflector at its outlet and method of operation thereof
US4107828A (en) * 1977-05-04 1978-08-22 E. I. Du Pont De Nemours And Company Yarn treating jet
DE2755841A1 (de) * 1977-06-24 1979-01-18 Toray Industries Garn-texturiervorrichtung
US4148116A (en) * 1978-02-06 1979-04-10 Enterprise Machine And Development Corporation Yarn texturing air jet baffle
US4157605A (en) * 1975-07-24 1979-06-12 E. I. Du Pont De Nemours And Company Fluid jet texturing apparatus
US4187593A (en) * 1979-04-09 1980-02-12 Enterprise Machine And Development Corporation Yarn texturing air jet with cylindrical and planar baffles
US4189812A (en) * 1976-10-13 1980-02-26 E. I. Du Pont De Nemours And Company Jet for fluid texturing yarn
DE3010387A1 (de) * 1979-03-26 1980-10-16 Stevens & Co Inc J P Luftduese zum erzeugen verzwirnten garns
US4290177A (en) * 1979-10-24 1981-09-22 Enterprise Machine And Development Corp. Air jet with a baffle including an arcuate yarn engaging surface
EP0057583A1 (en) * 1981-02-04 1982-08-11 J. & P. Coats, Limited Synthetic yarn and yarn-like structures and a method for their production
US4922593A (en) * 1988-04-07 1990-05-08 E. I. Du Pont De Nemours And Company System for preparing highly coherent air jet textured yarn
US4945618A (en) * 1988-04-07 1990-08-07 E. I. Du Pont De Nemours And Company Air texturing jet
US5020199A (en) * 1988-04-07 1991-06-04 E. I. Du Pont De Nemours And Company Air texturing jet
US5511295A (en) * 1995-03-15 1996-04-30 E. I. Du Pont De Nemours And Company System for preparing highly coherent air jet textured yarn
DE19819720C1 (de) * 1998-05-02 1999-08-26 Heberlein Fasertech Ag Blastexturierdüse sowie Prallvorrichtung für eine Blastexturierdüse
US6148490A (en) * 1995-09-20 2000-11-21 Heberlein Fibertechnology, Inc. Process and device for texturing at least one endless filament yarn
US6170302B1 (en) 1998-09-30 2001-01-09 Ethicon, Inc. Method and apparatus for continuously cleaning yarn fibers

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4492009A (en) * 1983-09-29 1985-01-08 E. I. Du Pont De Nemours And Company Yarn texturing jet
GB2337767A (en) * 1998-05-26 1999-12-01 Heberlein Fibertechnology Inc Jet texturing nozzle and baffle device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874444A (en) * 1954-02-17 1959-02-24 Du Pont Production of curly yarn
US2982000A (en) * 1956-07-19 1961-05-02 Du Pont Apparatus for bulking yarn
US3055080A (en) * 1960-07-19 1962-09-25 Du Pont Apparatus for fluid treatment of tow and yarn bundles
US3781949A (en) * 1972-05-03 1974-01-01 Du Pont Process and apparatus for jet-texturing yarn at high speed
US3831363A (en) * 1971-12-29 1974-08-27 Stevens & Co Inc J P Apparatus and process for air texturizing of yarns

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665567A (en) * 1970-04-23 1972-05-30 Uniroyal Inc Yarn rebound texturing apparatus and method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874444A (en) * 1954-02-17 1959-02-24 Du Pont Production of curly yarn
US2982000A (en) * 1956-07-19 1961-05-02 Du Pont Apparatus for bulking yarn
US3055080A (en) * 1960-07-19 1962-09-25 Du Pont Apparatus for fluid treatment of tow and yarn bundles
US3831363A (en) * 1971-12-29 1974-08-27 Stevens & Co Inc J P Apparatus and process for air texturizing of yarns
US3781949A (en) * 1972-05-03 1974-01-01 Du Pont Process and apparatus for jet-texturing yarn at high speed

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633264A1 (de) * 1975-07-24 1977-02-17 Du Pont Texturiervorrichtung
US4157605A (en) * 1975-07-24 1979-06-12 E. I. Du Pont De Nemours And Company Fluid jet texturing apparatus
US4041583A (en) * 1976-05-20 1977-08-16 E. I. Du Pont De Nemours And Company Yarn texturing jet
US4097975A (en) * 1976-07-29 1978-07-04 Heberlein Maschinenfabrik Ag Nozzle assembly for texturing synthetic filaments
US4096612A (en) * 1976-10-13 1978-06-27 E. I. Du Pont De Nemours And Company Jet for fluid texturing yarn
US4189812A (en) * 1976-10-13 1980-02-26 E. I. Du Pont De Nemours And Company Jet for fluid texturing yarn
US4095320A (en) * 1977-03-09 1978-06-20 Enterprise Machine And Development Corporation Yarn texturing air jet
US4107828A (en) * 1977-05-04 1978-08-22 E. I. Du Pont De Nemours And Company Yarn treating jet
US4104770A (en) * 1977-05-31 1978-08-08 E. I. Du Pont De Nemours And Company Yarn treating jet moving a rotating baffle and deflector at its outlet and method of operation thereof
DE2755841A1 (de) * 1977-06-24 1979-01-18 Toray Industries Garn-texturiervorrichtung
US4183123A (en) * 1977-06-24 1980-01-15 Toray Industries, Inc. Yarn texturing apparatus
US4148116A (en) * 1978-02-06 1979-04-10 Enterprise Machine And Development Corporation Yarn texturing air jet baffle
WO1979000587A1 (en) * 1978-02-06 1979-08-23 Enterprise Machine & Dev Yarn texturing air jet baffle
DE3010387A1 (de) * 1979-03-26 1980-10-16 Stevens & Co Inc J P Luftduese zum erzeugen verzwirnten garns
US4187593A (en) * 1979-04-09 1980-02-12 Enterprise Machine And Development Corporation Yarn texturing air jet with cylindrical and planar baffles
US4290177A (en) * 1979-10-24 1981-09-22 Enterprise Machine And Development Corp. Air jet with a baffle including an arcuate yarn engaging surface
EP0057583A1 (en) * 1981-02-04 1982-08-11 J. & P. Coats, Limited Synthetic yarn and yarn-like structures and a method for their production
US4922593A (en) * 1988-04-07 1990-05-08 E. I. Du Pont De Nemours And Company System for preparing highly coherent air jet textured yarn
US4945618A (en) * 1988-04-07 1990-08-07 E. I. Du Pont De Nemours And Company Air texturing jet
US5020199A (en) * 1988-04-07 1991-06-04 E. I. Du Pont De Nemours And Company Air texturing jet
US5511295A (en) * 1995-03-15 1996-04-30 E. I. Du Pont De Nemours And Company System for preparing highly coherent air jet textured yarn
US6148490A (en) * 1995-09-20 2000-11-21 Heberlein Fibertechnology, Inc. Process and device for texturing at least one endless filament yarn
DE19819720C1 (de) * 1998-05-02 1999-08-26 Heberlein Fasertech Ag Blastexturierdüse sowie Prallvorrichtung für eine Blastexturierdüse
US6170302B1 (en) 1998-09-30 2001-01-09 Ethicon, Inc. Method and apparatus for continuously cleaning yarn fibers
US6383229B2 (en) 1998-09-30 2002-05-07 Ethicon, Inc. Method and apparatus for continuously cleaning yarn fibers

Also Published As

Publication number Publication date
JPS5330823B2 (nl) 1978-08-29
NL177760B (nl) 1985-06-17
FR2275575A1 (fr) 1976-01-16
BE826248A (fr) 1975-09-04
DE2510397C2 (de) 1985-05-09
DK90275A (da) 1975-12-22
IT1029960B (it) 1979-03-20
FR2275575B1 (nl) 1980-07-04
CA1026540A (en) 1978-02-21
NL177760C (nl) 1985-11-18
DE2510397A1 (de) 1976-01-08
GB1474497A (en) 1977-05-25
JPS50160547A (nl) 1975-12-25
DE7507492U (de) 1976-01-02
NL7502520A (nl) 1975-12-23

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