EP1470279A1 - Registriereinheit an einem d senbalken einer vorrichtung zur erzeugung von feinsten fl ssigkeitsstrahlen zur strahlbeauf schlagung einer faserbahn - Google Patents
Registriereinheit an einem d senbalken einer vorrichtung zur erzeugung von feinsten fl ssigkeitsstrahlen zur strahlbeauf schlagung einer faserbahnInfo
- Publication number
- EP1470279A1 EP1470279A1 EP03734682A EP03734682A EP1470279A1 EP 1470279 A1 EP1470279 A1 EP 1470279A1 EP 03734682 A EP03734682 A EP 03734682A EP 03734682 A EP03734682 A EP 03734682A EP 1470279 A1 EP1470279 A1 EP 1470279A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- water
- bar according
- nozzle bar
- strip
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H18/00—Needling machines
- D04H18/04—Needling machines with water jets
Definitions
- the invention relates to a nozzle bar on a device for generating the finest liquid jets for hydrodynamic jet exposure of the fibers of a web guided along the bar, such as fiber web, tissue ect.
- Woven or knitted fabric consisting of an upper part and a lower part extending over the working width of the web, wherein a.
- a round pressure chamber is arranged in cross section, which the pressurized liquid z. B. is supplied at the front, b. parallel to this, a pressure distribution chamber is provided in the lower part, c. the pressure distribution chamber runs into a liquid outlet slot which is narrow compared to the cross section of the pressure distribution chamber, and d.
- a nozzle strip is mounted in a liquid-tight manner, which produces a dense liquid curtain with the large number of its nozzle holes and thus the large number of water jets emerging next to one another.
- the invention has for its object to find a device with which the beginning blockage of a hole or several holes can be continuously determined and registered by the operator of the machine in order to replace the nozzle strip or to be able to clean it straight away.
- optical device By means of this optical device, imperfections, incorrectly working nozzle holes in the nozzle strip are to be found quickly, so that the operator can provide an improvement just as quickly.
- the optical device can work with light or else with other beams such as ultrasound or the like.
- a digitally operating photocell or corresponding file-recording devices can serve as the device that registers and / or assesses the scanning light beam.
- the capturing unit should be connected to an electronic unit that works according to the correlation principle and compares input data with the data actually detected and signals accordingly.
- the device for determining the properly working nozzle strip does not have to extend over the entire length of the nozzle strip. Smaller and possibly also several devices are conceivable, which over a certain length of the nozzle strip, possibly overlapping routes, oscillating back and forth, taking in the data and forwarding it to the head office.
- a nozzle bar of the type supplemented according to the invention is shown by way of example in the drawing. Show it:
- FIG. 2 shows the view of the end face of the nozzle bar according to FIG. 1,
- FIG. 3 shows a section along the line C - C of FIG. 1 with the view of the lower part of the nozzle bar
- Fig. 4 shows a section across the nozzle bar along the line A - A of Fig. 1 and
- Fig. 5 is an enlarged detail in the representation as in Fig. 4 in the lower region of the nozzle bar.
- the nozzle bar shown in FIGS. 1-3 is known from EP-A-0 725 175, it can be replaced here by another one which is similar in principle.
- the housing of the nozzle bar consists of an upper part 1, which is screwed to the lower part 2 many times over the length by screws, not shown, from below.
- the upper part 1 has two bores 4 and 5, the upper of which is the pressure chamber 4 and the lower one the pressure distribution chamber 5. Both chambers are open on one end and screwed liquid-tight again through the covers 6 and 7.
- the pressure chamber 4 On the other end face, the pressure chamber 4 has an opening 4 'through which the pressurized liquid is introduced.
- the two chambers 4 and 5 are separated from one another by an intermediate wall 8.
- a large number of flow bores 9 in the intermediate wall 8 connect the two chambers over the length of the nozzle bar, so that the liquid flowing into the pressure chamber 4 flows out evenly over the length into the pressure distribution chamber 5.
- the pressure distribution chamber is open at the bottom, namely through the slot 10 which is narrow in relation to the diameter of the bore of the pressure distribution chamber 5 and which also extends over the length of the beam.
- the upper part 1 is screwed to the lower part 2 firmly and in a liquid-tight manner.
- the tightness is brought about by the O-ring 11, which engages in an annular groove 11 'of the upper part 1 lies.
- the slot 10 encloses a spring projection 23 which is fitted into a corresponding groove 25 in the lower part 2.
- a repair groove 26 is also provided in the spring projection 23 for the exchange of the nozzle strip 14.
- an annular groove 12 ′ is again introduced, in which the O-ring 12 lies to seal the nozzle strip 14.
- a slot 13 is also made in the lower part 2, which is only very narrow in its upper region and leaves only a little more than the width of the effective nozzle openings of the nozzle strip 14 open.
- the lower part 2 is screwed together in a liquid-tight manner by a further cover 16 and 17.
- a groove 18, 19 is made at the level of the nozzle strip 14 held in the lower part, into which the nozzle strip 14 extends and can thus easily be gripped for replacement after removal of the cover 16 or 17.
- a device 27, 28 is arranged in the area of the exit of the water jets from the nozzle bar from the slot 13 of the lower part 2.
- This can consist of different working units. It also doesn't have to be on either side of the water curtain. be arranged. It is enough e.g. B. only provide a neutral background for the emitted rays so that registration is possible. In any case, it consists of a transmitter and receiver.
- the transmitter consists e.g. B.
- the receiver can consist of a light-sensitive optics such as digital camera, which detects every water jet or the possibly missing water jet with millimeter accuracy and passes it on to a registration device for the operator of the machine.
- the transmitter can also emit ultrasound waves, which then locate the possibly missing water jet.
- the device can work stationary, but it is better to arrange the camera or the like so that it can move back and forth along the water curtain so that it can monitor a larger distance of the emerging water jets.
- the installed device 27, 28 should work according to the correlation principle, which means that the distance from the neighboring one and the thickness of each water jet are entered in a computer in order to enable a comparison with reality. The camera therefore compares with a reference pattern.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10203719 | 2002-01-30 | ||
DE10203719A DE10203719A1 (de) | 2002-01-30 | 2002-01-30 | Registriereinheit an einem Düsenbalken einer Vorrichtung zur Erzeugung von feinsten Flüssigkeitsstrahlen zur Strahlbeaufschlagung einer Faserbahn |
PCT/EP2003/000573 WO2003064748A1 (de) | 2002-01-30 | 2003-01-22 | Registriereinheit an einem düsenbalken einer vorrichtung zur erzeugung von feinsten flüssigkeitsstrahlen zur strahlbeaufschlagung einer faserbahn |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1470279A1 true EP1470279A1 (de) | 2004-10-27 |
EP1470279B1 EP1470279B1 (de) | 2005-04-13 |
Family
ID=7713445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03734682A Expired - Lifetime EP1470279B1 (de) | 2002-01-30 | 2003-01-22 | Registriereinheit an einem düsenbalken einer vorrichtung zur erzeugung von feinsten flüssigkeitsstrahlen zur strahlbeaufschlagung einer faserbahn |
Country Status (6)
Country | Link |
---|---|
US (1) | US20050219505A1 (de) |
EP (1) | EP1470279B1 (de) |
JP (1) | JP2005516128A (de) |
AT (1) | ATE293179T1 (de) |
DE (2) | DE10203719A1 (de) |
WO (1) | WO2003064748A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005005463A1 (de) * | 2005-02-04 | 2006-08-10 | Fleissner Gmbh | Düsenbalken mit Mitteln zur Einstellung der Arbeitsbreite sowie Verfahren zur Einstellung der Arbeitsbreite eines Düsenstreifens |
DE102005008413B3 (de) | 2005-02-24 | 2006-07-27 | Fleissner Gmbh | Vorrichtung und Verfahren zur Reinigung und Überprüfung der Löcher eines Düsenstreifens |
DE102005008647A1 (de) * | 2005-02-25 | 2006-08-31 | Fleissner Gmbh | Düsenbalken mit integrierten Mitteln zur Reinigung sowie Verfahren zur Reinigung eines Düsenbalkens |
DE102005017967B4 (de) * | 2005-04-19 | 2007-01-25 | Fleissner Gmbh | Düsenstreifen mit einem Element zu seiner Identifikation und Erfassung seiner Betriebsparameter |
EP2302119B1 (de) | 2009-09-18 | 2012-06-20 | Groz-Beckert KG | Düsenfolie für einen Düsenbalken mit verbindbaren Foliensegmenten |
EP2301671B1 (de) | 2009-09-18 | 2012-06-06 | Groz-Beckert KG | Düsenstreifen für eine Textilbearbeitungsmaschine |
DE202010016908U1 (de) * | 2010-12-22 | 2011-12-29 | Trützschler Nonwovens Gmbh | Vorrichtung zum Reinigen eines Düsenstreifens für Wasserstrahlvernadelungsanlagen |
DE202014101647U1 (de) | 2014-04-08 | 2015-07-09 | Autefa Solutions Germany Gmbh | Düsenbalken |
DE102016119480A1 (de) * | 2016-10-12 | 2018-04-12 | TRüTZSCHLER GMBH & CO. KG | Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen |
DE102016119483A1 (de) * | 2016-10-12 | 2018-04-12 | TRüTZSCHLER GMBH & CO. KG | Düsenbalken für die Bearbeitung von Fasern mit Wasserstrahlen |
SI3382082T1 (sl) * | 2017-03-31 | 2019-11-29 | Reifenhaeuser Masch | Naprava za proizvodnjo tkanih polsti iz brezkončnih filamentov |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3364812A (en) * | 1963-09-05 | 1968-01-23 | Foxboro Co | Continuous flow turbidimeter |
US5737813A (en) * | 1988-04-14 | 1998-04-14 | International Paper Company | Method and apparatus for striped patterning of dyed fabric by hydrojet treatment |
EP0725175B1 (de) * | 1995-01-23 | 1999-03-24 | FLEISSNER GmbH & Co. KG Maschinenfabrik | Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen |
US6152032A (en) * | 1998-11-05 | 2000-11-28 | Heidelberger Druckmaschinen Ag | Mist containment system for a spray dampener system |
-
2002
- 2002-01-30 DE DE10203719A patent/DE10203719A1/de not_active Withdrawn
-
2003
- 2003-01-22 EP EP03734682A patent/EP1470279B1/de not_active Expired - Lifetime
- 2003-01-22 US US10/502,952 patent/US20050219505A1/en not_active Abandoned
- 2003-01-22 JP JP2003564330A patent/JP2005516128A/ja not_active Withdrawn
- 2003-01-22 WO PCT/EP2003/000573 patent/WO2003064748A1/de active Application Filing
- 2003-01-22 AT AT03734682T patent/ATE293179T1/de not_active IP Right Cessation
- 2003-01-22 DE DE50300444T patent/DE50300444D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO03064748A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005516128A (ja) | 2005-06-02 |
DE50300444D1 (de) | 2005-05-19 |
WO2003064748A8 (de) | 2004-09-10 |
US20050219505A1 (en) | 2005-10-06 |
WO2003064748A1 (de) | 2003-08-07 |
DE10203719A1 (de) | 2003-07-31 |
ATE293179T1 (de) | 2005-04-15 |
EP1470279B1 (de) | 2005-04-13 |
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