EP0108205A1 - Luftdüse für Garnbehandlung - Google Patents

Luftdüse für Garnbehandlung Download PDF

Info

Publication number
EP0108205A1
EP0108205A1 EP83108223A EP83108223A EP0108205A1 EP 0108205 A1 EP0108205 A1 EP 0108205A1 EP 83108223 A EP83108223 A EP 83108223A EP 83108223 A EP83108223 A EP 83108223A EP 0108205 A1 EP0108205 A1 EP 0108205A1
Authority
EP
European Patent Office
Prior art keywords
chamber
thread
texturising
path
fluid
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.)
Withdrawn
Application number
EP83108223A
Other languages
English (en)
French (fr)
Inventor
Peter Grossenbacher
Werner Nabulon
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
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 Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0108205A1 publication Critical patent/EP0108205A1/de
Withdrawn legal-status Critical Current

Links

Images

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 relates to improvements in thread texturising apparatus, particularly but not exclusively apparatus as described and claimed in co-pending United States Patent Application Serial Number 256 406 filed April 22, 1981 and its equivalent European Patent Application Number EP 81101805 published on 10 March 1982 (publication number 0039763).
  • the full disclosure of the said co-pending patent applications (hereinafter the "prior applications") is incorporated in the present application by reference.
  • the prior applications describe several possibilities for adjusting the operating characteristics of the thread texturising apparatus to suit varying demands of use, for example varying thread materials, thread fineness (titer) and operating speed.
  • the two nozzle parts are indicated with the numerals 10 and 12 respectively.
  • Part 10 is mounted on a carrier 14 by means of a headed pin 16 on the carrier which engages in a keyhole-shaped slot 18 in the nozzle part.
  • a locating pin 20 on the carrier engages in a receiving slot 22 in the nozzle part.
  • An additional locator 23 will not be described in detail.
  • Nozzle part 12 is mounted on a carrier 24 by a similar mounting, the parts 16A and 20A of which correspond with parts 16 and 20 respectively.
  • Part 10 comprises an elongated block, made in one piece and having a plane face 26.
  • Part 12 comprises a similar (but not identical) block having a plane face 28 which engages the face 26 at the plane II-II in Figure 1. Where the faces 26 and 28 make contact, they form a seal against passage of treatment fluid between them.
  • Each block has two elongated recesses 30 extending longitudinally thereof on either side of an "island" 32 which is integral with the respective block.
  • Part 10 has a groove 34 in surface 26, extending from one end of the block but terminating short of the other end.
  • Part 12 has a groove 36 in surface 28 extending from one end to the other of the block but interrupted (as further described below) by a circular section hole 38 receiving an insert 40.
  • the passage provides a junction location 42 at which thread and treatment fluid are brought together in use, a texturising chamber 44 provided by the passage portions in and adjacent the islands 32, and a guide passage 46 between the junction location and the texturising chamber. Alignment of the blocks to form the passage is ensured by a pin 48 on part 12 engaging in a corresponding locating hole 50 in part 10.
  • Treatment fluid is fed to junction location 42 from a feed duct 50 in carrier 14 by way of a bore 52 in part 10 leading to a chamber 54-in the end of part 10, and thence by way of a metering tube 56 to the junction location.
  • the internal form of the metering tube 56 and its function is fully described in the prior applications and will not be repeated here.
  • the metering tube is mounted in a receiving bore leading from the chamber 54 to the junction location by means of a screw 58 engaging a corresponding bore in the chamber wall, and a spring 60 extending between the screw and the metering tube.
  • Chamber 54 opens onto the end of the block, being normally closed by a closure screw 62 which can be removed to give access to the chamber for replacement of tube 56 by release of screw 58.
  • This form of mounting for tube 56 is exemplary only. The mounting shown in the prior applications is frequently preferable, and other mountings can be devised as required.
  • the thread arrives at the junction location by way of the passage portion (portion of groove 36) upstream from the junction location.
  • the passage portion immediately adjacent to and upstream from the junction location is provided by a groove 36A in the insert 40.
  • Groove 36A is choked down to hinder back flow of treatment fluid in the upstream direction.
  • Insert 40 is located by a pin 64 in part 12 and is secured by a screw 66.
  • the treatment fluid is permitted to leave the texturising chamber transversely of the thread path by way of holes 68 extending through the islands 32 between the texturising chamber and the recesses 30. Slots extending longitudinally of the thread path could be provided instead of the illustrated holes.
  • the length of the texturising chamber over which the holes 68 (or slots) extend can be chosen to suit the required operating conditions, but usually will not extend over more than half the length of the islands.
  • each port 72 extends from the reverse face of its respective block (i.e. the face opposite the sealing face 26) to intersect the recesses 30 and receive treatment fluid.therefrom.
  • Each port 72 is of generally circular cross section and has a widened mouth 74 to receive a locating flange and sealing ring on a throttle 76 the externally cylindrical body of which is received in the port 72.
  • Each throttle body is screw threaded to cooperate with screw threads in the respective part.
  • Each throttle 76 has a through bore provided with a central portion 78 defining a predetermined effective cross sectional area for the flow passage provided by the port.
  • the effective cross sectional areas of the passages through the two throttles are the same.
  • the effective cross sectional area of either port can however be varied by removing an installed throttle and, optionally, replacing it with another externally similar throttle having a different through bore or simply omitting a throttle and allowing the treatment fluid to pass through the full section of the port.
  • each throttle effectively controls the back pressure in the recesses 30 and thus the two throttles together control the proportion of treatment fluid leaving the chamber 44 via the holes 68 in relation to the fluid leaving via the downstream end of the thread path.
  • throttles will be used depend greatly upon the operating requirements and must be determined empirically. In general, it is preferred to operate without the throttle. However, if the user of a particular nozzle uses that nozzle (without throttles) for texturising increasingly coarse threads of a given material, it is found eventually that an upper thread fineness limit is reached beyond which reliable texturising is no longer achieved. At this stage, the insertion of throttles to reduce the proportion of treatment fluid leaving the chamber transversely can enable the same nozzle to provide successful texturising of still coarser threads.
  • the coarser the thread the smaller effective cross-sectional area should be provided for flow of treatment fluid leaving the chamber transversely.
  • the upper thread fineness limit (at which insertion of thottles becomes necessary) will itself be dependent upon the relation between the thread fineness and the dimensions (especially cross section) of the passage providing the thread path through the texturising chamber., and also upon the form, number and dimensions of the holes or other perforations by which fluid passes from the chamber to the recesses.
  • the upper fineness limit is different for different thread types, especially different thread materials.
  • control of back pressure in the recesses could be achieved by means other than throttling of the exhaust ports, but throttling means are relatively easily manufacturable and accurately adjustable.
  • the block construction and the form of the thread path are not relevant to the broad inventive idea.
  • the illustrated parts upstream of the texturising chamber simply form a means for feeding thread and treatment fluid together into the texturising chamber and other forms of such means are known from the prior art.
  • the proportion of fluid leaving a given nozzle transversely to the thread path could be adjusted by replacing an insert providing the texturising chamber i.e. by changing the perforations in the texturising chamber.
  • the proportion of fluid leaving a given chamber transversely i.e. there was nothing additional to the chamber itself.
  • the means defining the texturising chamber is integral with other parts of the system, replacement of the chamber itself is practically eliminated (unless the whole nozzle is replaced) and the variable flow channel feature is especially advantageous.
  • the variable flow channel feature could also be used with a texturising chamber made up of one or more replaceable inserts.
  • the treatment fluid referred to above is preferably hot air, but other fluids e.g. steam, are known in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP83108223A 1982-10-12 1983-08-20 Luftdüse für Garnbehandlung Withdrawn EP0108205A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43373382A 1982-10-12 1982-10-12
US433733 1982-10-12

Publications (1)

Publication Number Publication Date
EP0108205A1 true EP0108205A1 (de) 1984-05-16

Family

ID=23721332

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108223A Withdrawn EP0108205A1 (de) 1982-10-12 1983-08-20 Luftdüse für Garnbehandlung

Country Status (2)

Country Link
EP (1) EP0108205A1 (de)
JP (1) JPS5971440A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0184625A2 (de) * 1984-12-03 1986-06-18 Maschinenfabrik Rieter Ag Garnbehandlungsdüse
EP0189099A1 (de) * 1985-01-19 1986-07-30 B a r m a g AG Düse zur Texturierung eines Fadens
US4691947A (en) * 1985-01-19 1987-09-08 Barmag Ag Yarn texturing nozzle
US4724588A (en) * 1985-07-20 1988-02-16 Barmag Ag Yarn texturing nozzle
US4829640A (en) * 1986-08-13 1989-05-16 Barmag Ag Yarn texturing nozzle
US4941242A (en) * 1984-12-03 1990-07-17 Rieter Machine Works, Ltd. Thread treating nozzles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH514005A (de) * 1968-04-11 1971-06-30 Glanzstoff Ag Verfahren zur kontinuierlichen Stauchkräuselung von endlosen thermoplastischen Fäden
US3823448A (en) * 1971-09-28 1974-07-16 Celanese Corp Multi-purpose fluid yarn treating apparatus
GB1426138A (en) * 1973-03-22 1976-02-25 Textured Yarn Co Textile strang-crimping apparatus
US4100659A (en) * 1974-03-05 1978-07-18 Basf Aktiengesellschaft Process for texturizing filaments
EP0039763A2 (de) * 1980-03-31 1981-11-18 Maschinenfabrik Rieter Ag Garntexturierdüse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH514005A (de) * 1968-04-11 1971-06-30 Glanzstoff Ag Verfahren zur kontinuierlichen Stauchkräuselung von endlosen thermoplastischen Fäden
US3823448A (en) * 1971-09-28 1974-07-16 Celanese Corp Multi-purpose fluid yarn treating apparatus
GB1426138A (en) * 1973-03-22 1976-02-25 Textured Yarn Co Textile strang-crimping apparatus
US4100659A (en) * 1974-03-05 1978-07-18 Basf Aktiengesellschaft Process for texturizing filaments
EP0039763A2 (de) * 1980-03-31 1981-11-18 Maschinenfabrik Rieter Ag Garntexturierdüse

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0184625A2 (de) * 1984-12-03 1986-06-18 Maschinenfabrik Rieter Ag Garnbehandlungsdüse
EP0184625A3 (en) * 1984-12-03 1987-07-22 Maschinenfabrik Rieter Ag Thread treating nozzle
US4941242A (en) * 1984-12-03 1990-07-17 Rieter Machine Works, Ltd. Thread treating nozzles
EP0189099A1 (de) * 1985-01-19 1986-07-30 B a r m a g AG Düse zur Texturierung eines Fadens
US4691947A (en) * 1985-01-19 1987-09-08 Barmag Ag Yarn texturing nozzle
US4724588A (en) * 1985-07-20 1988-02-16 Barmag Ag Yarn texturing nozzle
US4829640A (en) * 1986-08-13 1989-05-16 Barmag Ag Yarn texturing nozzle

Also Published As

Publication number Publication date
JPS5971440A (ja) 1984-04-23

Similar Documents

Publication Publication Date Title
US4173301A (en) Pneumatic brake
EP0999761B1 (de) Vorrichtung zum fördern eines stranges der tabakverarbeitenden industrie
EP0108205A1 (de) Luftdüse für Garnbehandlung
GB2329003A (en) Magnetic valve
WO1995006509A1 (en) Bag house cleaning systems
RU95119830A (ru) Смесительная секция для подачи и отвода воздуха устройства кондиционирования
DE59507155D1 (de) Steuer- und Filtriereinrichtung für mindestens zwei Fluidteilströme
DE60302612T2 (de) Luftverteileinheit für Kraftfahrzeuge
CN109519580B (zh) 具有导向叶片的控制阀
US4137124A (en) Head box for a papermaking machine
ATE293771T1 (de) Ventilanordnung zur steuerung des materialflusses in einer beschichtungsanlage
EP0123072B1 (de) Garntexturierungsdüse
JPH07256182A (ja) ウェブ用塗布装置
CA2284852A1 (en) Fluid diverter system
US4784726A (en) Paper machine head box with adjustable perforated plate flow ducts
US5466340A (en) Paper machine headbox and method of controlling pulp material parameters
SI9300449A (en) Device for portioned delivery of free-flowing materials
CA2116268A1 (en) Device and method for changing the flow resistance of a fluid flow control device
US4809405A (en) Apparatus for compressing and automatically introducing a textile fibre strand into a feed nip
US4381219A (en) Headbox arrangement for a papermaking machine
US4119253A (en) Method and apparatus for controlling the advancement of a strand
JPH0881891A (ja) 懸濁液流のための弁装置又は調整装置及び該装置の詰まり低減方法
US20050106867A1 (en) Method and device for treating objects by means of a liquid
JP4243365B2 (ja) 燃料噴射ポンプ内に組み込むための絞りエレメント
DE2242582A1 (de) Luftauslass-vorrichtung fuer raumklimatisierungs- und belueftungsanlagen

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): CH DE FR GB IT LI NL

17P Request for examination filed

Effective date: 19840612

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Withdrawal date: 19850528

RIN1 Information on inventor provided before grant (corrected)

Inventor name: GROSSENBACHER, PETER

Inventor name: NABULON, WERNER