EP0909587B1 - Support de buses pour un dispositif projetant des jets de liquide - Google Patents

Support de buses pour un dispositif projetant des jets de liquide Download PDF

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Publication number
EP0909587B1
EP0909587B1 EP98119283A EP98119283A EP0909587B1 EP 0909587 B1 EP0909587 B1 EP 0909587B1 EP 98119283 A EP98119283 A EP 98119283A EP 98119283 A EP98119283 A EP 98119283A EP 0909587 B1 EP0909587 B1 EP 0909587B1
Authority
EP
European Patent Office
Prior art keywords
ring
nozzle bar
elongate plate
bearing groove
groove
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
EP98119283A
Other languages
German (de)
English (en)
Other versions
EP0909587A2 (fr
EP0909587A3 (fr
Inventor
Gerold Fleissner
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Fleissner GmbH
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 Fleissner GmbH filed Critical Fleissner GmbH
Publication of EP0909587A2 publication Critical patent/EP0909587A2/fr
Publication of EP0909587A3 publication Critical patent/EP0909587A3/fr
Application granted granted Critical
Publication of EP0909587B1 publication Critical patent/EP0909587B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor

Definitions

  • a device of this type is known from DE-A-195 01 739. It has the advantage that without disassembling the lower part from the upper part of the nozzle plate in the lower part sealing O-ring is easily replaceable. When using the nozzle bar, like when rinsing or when replacing the nozzle plate, there is a risk, however, that the O-ring slips out of its bearing groove. This applies in particular if the Nozzle bar for reasons of expediency in the overall concept of the device must be installed overhead or at an angle in the needling device.
  • a positioning strip can be inserted into the repair groove. So it will be when assembling an O-ring first the longitudinal plate with the O-ring held tight in the only the nozzle bar, which is open on the front, and then the positioning strip along the back of the longitudinal strip in the repair groove as well inserted. The O-ring moves with the longitudinal plate in the plane of the Bearing groove, evenly over the entire length of the nozzle bar. Is the positioning strip only the O-ring from the spacers is inserted push down, with which it is inserted into the bearing groove.
  • the U-shaped bearing groove should be conical towards the outside, towards the opening, so it narrows be dovetail-shaped. It is particularly advantageous if the open side of the bearing groove seen in cross section in its clear opening Larger than the O-ring held taut on the longitudinal plate, but smaller than that The diameter of the relaxed O-ring is dimensioned. In this case, the O-ring no longer slip out of the bearing groove, even in the most unfavorable position nevertheless easy to replace without dismantling the nozzle bar.
  • the housing of the nozzle bar consists of an upper part 1, which is connected to the lower part 2 is often screwed over the length by screws, not shown, from below.
  • the upper part 1 has two holes 4 and 5, of which the upper one Pressure chamber 4 and the lower one is a pressure distribution chamber 5, which is another Construction can also be omitted. Both chambers are here on one end open and screwed tight again through the covers 6 and 7. At the other end, the pressure chamber 4 has an opening 4 'through which the under Pressurized fluid is introduced.
  • the pressure distribution chamber 5 is on this End face also screwed liquid-tight by a cover 5 '.
  • the two Chambers 4 and 5 are separated from one another by an intermediate wall 8.
  • the length of the nozzle bar connects a large number of those shown in FIG Flow bores 9 in the intermediate wall 8, the two chambers, so that the in the pressure chamber 4 flowing liquid evenly distributed over the length in the Pressure distribution chamber 5 flows out.
  • the pressure distribution chamber is open at the bottom, and by the pressure distribution chamber 5 compared to the diameter of the bore narrow slot 10, which also extends over the length of the bar.
  • the upper part 1 is screwed to the lower part 2 firmly and in a liquid-tight manner.
  • the tightness is caused by the O-ring 11.
  • a spring projection 23 which is in a corresponding Groove 24 of the lower part 2 is fitted.
  • a bearing groove 12 is again introduced, in which the O-ring 12 for sealing of the nozzle plate 14 shown in FIG. 10.
  • Slot 13 introduced, which is only very narrow in its upper region and only little more than the width of the effective nozzle openings of the nozzle plate 14 open leaves.
  • the upper part 1 has the spring projection 23 at its lower end. This leaves with its outer edges 25 space for the nozzle plate 14. When pressurized with liquid it is pressed against the O-ring 12 by the liquid pressure and sealed to the slot 13. It may now be necessary for this O-ring 12 must be replaced.
  • the repair groove 26 extends over the entire length and Width extension of the bearing groove 12 "for the O-ring 12 of the lower part 2 and corresponds in height slightly more than the thickness of the O-ring 12.
  • This repair groove 26 is a dimensionally appropriate longitudinal plate 27 can be inserted, which on the Bearing groove 12 "of the underside 28 associated with the lower part 2 is an O-ring clamping device having.
  • the O-ring clamping device consists of two spacers 29 and 30, which are attached to the underside of the longitudinal plate 27 and one shown in FIG. 9 Diameter corresponding to the distance between the two bearing grooves 12 " exhibit.
  • Spacers 29, 30 are provided with an annular groove 33, which is the diameter of the clamped held O-rings 12 is adapted.
  • a spacer can also be cylindrical be formed to lighten the O-ring 12 from the spacers 29, 30 deport.
  • the longitudinal plate 27 has a width that is apparent from FIG. 7 Worked larger, so that the tensioned O-ring 12 after covered at the top and thus also held firmly on the longitudinal plate 27.
  • a hand-insertable insertion end 31 provided at the ends of the longitudinal plate 27 at the ends of the longitudinal plate 27.
  • the bearing groove is 12 "for the O-ring 12 formed on the end faces of the nozzle bar open overall, that is, on the end faces is no external limitation for the bearing groove also present there with the inner contact surface for the O-ring 12.
  • FIGS. 1-4 are the spacers 29, 30 for the O-ring much further apart on the longitudinal plate 27 attached when the z. B. from Fig. 4 resulting end position of the O-ring 12 in the bearing groove 12 ". In this way, the O-ring 12 is held strongly stretched on the longitudinal plate 27. This causes the diameter of the O-ring to be reduced.
  • This movement of the longitudinal plate 27 is - evenly distributed over the length of the nozzle bar - facilitated by a positioning strip 32, which is longer than the longitudinal plate 27 according to FIG. 1 and 1, 3 and 6, 8 inserted above the longitudinal plate 27 in the repair groove 26 becomes.
  • the O-ring 12 to roll down from the spacers 29, 30, thereby forcibly according to 3 must jump into the bearing groove 12 ".
  • the positioning strip 32 4 to remove, the longitudinal plate 27 and then lift it out pull out the repair groove 26.
  • FIGS. 7-10 An essential feature of the device shown is shown in FIGS. 7-10.
  • the bearing groove 12 "for the O-ring 12 is not rectangular in the bottom of the groove, but dovetailed. It is essential that the side of the bearing groove open to the outside 12 "as shown here in cross section larger in its clear opening than the O-ring held on the longitudinal plate 27 (FIGS. 7 and 8), but smaller than the diameter of the relaxed O-ring 12 (Fig. 9 and 10) is dimensioned. If that is, the O-ring that is reduced in size by stretching through the clear opening is moved and then expands again after being freed from the spacers 29, 30, 9, 10 the O-ring is then held firmly in the bearing groove 12 "and can no longer remove itself from it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Gasket Seals (AREA)

Claims (12)

  1. Poutre à tuyères attenant à un dispositif de production de jets de liquides, et destinée par exemple à l'entrelacement par jets des fibres d'un voile de carde guidé le long de la poutre,
    a) ladite poutre étant constituée d'une partie supérieure (1)s'étendant sur toute la largeur de travail de la nappe de tissu ainsi que d'une partie inférieure (2) étanche aux liquides et fixée à la partie supérieure,
    i) une chambre de pression vers laquelle le liquide sous pression est acheminé par exemple frontalement étant disposée en longueur dans la partie supérieure,
    ii) une tôle à tuyères (14) avec alésages pour les tuyères étanche aux liquides étant disposée contre la partie inférieure par l'intermédiaire d'un anneau en forme de O (12) maintenu sur trois côtés dans une rainure de logement (12'') située dans la partie inférieure,
    b) une rainure de réparation (26) ouverte au moins d'un côté, frontalement par rapport à la poutre à tuyères, verrouillable et opposée à la rainure de logement sur toute la longueur et la largeur étant prévue dans la partie supérieure de la poutre à tuyères, ladite rainure de réparation étant légèrement plus haute que le diamètre de l'anneau en forme de O (12) et d'une tôle longitudinale (27) tenant l'anneau en forme de O à l'aide d'écarteurs,
    et caractérisée en ce que
    c) la rainure de logement (12''), sur les faces frontales de la poutre à tuyère, dans la direction des extrémités frontales, est plus grande que le diamètre de l'anneau en forme de O (12) et
    d) les écarteurs (29, 30) pour l'anneau en forme de O (12) sont fixés à une certaine distance l'un de l'autre contre la tôle longitudinale (27) dépassant la situation finale (Fig. 3) de l'anneau en forme de O (12) dans la partie inférieure (2).
  2. Poutre à tuyères elon la revendication 1, caractérisé en ce que la rainure de logement (12") située sur les faces d'attaque de la poutre à tuyères, dans le plan de l'anneau en forme de O (12), correspond au moins à la grandeur de l'écarteur raccordé (29, 30) comprenant l'anneau en forme de 0 tendu (12).
  3. Poutre à tuyères selon la revendication 1 ou 2, caractérisée en ce que la rainure de logement (12'') est située dans le plan de l'anneau en forme de 0 inséré (12) et ouvert au moins sur une des faces d'attaque de la poutre à tuyères, en direction de ladite face d'attaque.
  4. Poutre à tuyères selon la revendication 2 ou 3, caractérisée en ce que les écarteurs (29, 30) de l'anneau en forme de O (12) sont fixés contre la tôle longitudinale (27) dans le sens de la longueur de la dite tôle et avec un écartement assez important, la position de la tôle longitudinale correspondant à la situation finale de l'anneau en forme de O (12) dans la rainure de logement (12'').
  5. Poutre à tuyères selon la revendication 4, caractérisée en ce que la tôle longitudinale (27) insérée dans la rainure de réparation (26) peut être déplacée en même temps que l'anneau en forme de O (12) tendu en direction de la rainure de logement (12''), l'anneau en forme de O (12) tendu contre la tôle longitudinale (27) pouvant ainsi être inséré en profondeur dans la rainure de logement (12'').
  6. Poutre à tuyères selon la revendication 5, caractérisée en ce que sur le côté de la tôle longitudinale (27) détourné des écarteurs (29, 30), autrement dit par exemple au-delà de la tôle longitudinale, une bandelette de positionnement (32) peut être inséré dans la rainure de réparation (26) et la tôle longitudinale (27) ou l'anneau en forme de 0 (12) tendu(e) contre ladite tôle peut être déplacé(e) vers la base de la rainure de logement (12'').
  7. Poutre à tuyères selon la revendication 6, caractérisée en ce que la bandelette de positionnement (32) peut être insérée dans la rainure de réparation (26), sur toute la longueur de la tôle longitudinale (27), ladite tôle étant ainsi déplacée parallèlement à elle-même.
  8. Poutre à tuyères selon la revendication 7, caractérisée en ce que la bandelette de positionnement (32), est de même longueur, et de préférence plus longue, que la tôle longitudinale (27).
  9. Poutre à tuyères selon les revendications 6 - 8, caractérisée en ce que la hauteur de la bandelette de positionnement (32) correspond au diamètre de l'anneau en forme de O (12).
  10. Poutre à tuyères selon les revendications 1 à 9, caractérisée en ce que la rainure de logement (12'') en forme de U se présente sous la forme d'un cône orienté vers l'extérieur, en direction de l'ouverture, et est affinée autrement dit en forme de queue d'aronde.
  11. Poutre à tuyères selon la revendication 9, caractérisée en ce que, dans sa section transversale, le côté de la rainure de logement (12'') ouvert vers l'extérieur, est, dans son ouverture étroite, plus grand que l'anneau en forme de O (12) tendu contre la poutre longitudinale (27), mais plus petit que la diamètre de l'anneau en forme de O (12) détendu.
  12. Poutre à tuyères selon une des revendications 1 à 11, caractérisée en ce que au moins un des écarteurs (29, 30) vu dans le sens longitudinal de la tôle longitudinale (27) présente, au moins dans le sens radial externe, une rainure pour anneau de retenue (33) adaptée de préférence au diamètre de l'anneau en forme de O tendu.
EP98119283A 1997-10-17 1998-10-07 Support de buses pour un dispositif projetant des jets de liquide Expired - Lifetime EP0909587B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19745661A DE19745661A1 (de) 1997-10-17 1997-10-17 Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE19745661 1997-10-17

Publications (3)

Publication Number Publication Date
EP0909587A2 EP0909587A2 (fr) 1999-04-21
EP0909587A3 EP0909587A3 (fr) 2000-12-06
EP0909587B1 true EP0909587B1 (fr) 2003-01-22

Family

ID=7845676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119283A Expired - Lifetime EP0909587B1 (fr) 1997-10-17 1998-10-07 Support de buses pour un dispositif projetant des jets de liquide

Country Status (4)

Country Link
US (1) US6012654A (fr)
EP (1) EP0909587B1 (fr)
JP (1) JPH11200222A (fr)
DE (2) DE19745661A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004459B3 (de) * 2006-01-30 2007-06-21 Fleissner Gmbh Vorrichtung zum Montieren einer länglichen Dichtung oder eines O-Rings in ein Aufnahmeteil eines Düsenbalkens

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6442809B1 (en) * 1997-12-05 2002-09-03 Polymer Group, Inc. Fabric hydroenhancement method and equipment for improved efficiency
US6810565B2 (en) * 2001-02-14 2004-11-02 Fleissner Gmbh & Co. Maschinenfabrik Closing unit for the nozzle strip on a nozzle beam for hydrodynamically needling fibres of a web of fabric
FR2845934B1 (fr) * 2002-10-22 2004-12-24 Rieter Perfojet Dispositif de projection de jets a double obturation.
US7237308B2 (en) * 2004-06-10 2007-07-03 North Carolina State University Composite hydroentangling nozzle strip and method for producing nonwoven fabrics therewith
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
FR2902035B1 (fr) * 2006-06-13 2008-08-08 Rieter Perfojet Soc Par Action Outil de mise en place d'un joint dans une gorge, notamment pour dispositifs de projection de jet d'eau
FR2902036B1 (fr) * 2006-06-13 2008-08-08 Rieter Perfojet Soc Par Action Outil a plateforme de mise en place d'un joint dans une gorge notamment pour dispositif
CN106140502B (zh) * 2016-09-21 2018-09-25 江西天祥通用航空股份有限公司 一种多档喷头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613999A (en) * 1970-04-29 1971-10-19 Du Pont Apparatus for jetting liquid onto fibrous material
US4069563A (en) * 1976-04-02 1978-01-24 E. I. Du Pont De Nemours And Company Process for making nonwoven fabric
US4880168A (en) * 1987-07-13 1989-11-14 Honeycomb Systems, Inc. Apparatus for jetting high velocity liquid streams onto fibrous materials
US5042722A (en) * 1987-07-13 1991-08-27 Honeycomb Systems, Inc. Apparatus for jetting high velocity liquid streams onto fibrous materials
DE59601476D1 (de) * 1995-01-23 1999-04-29 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE19501739A1 (de) * 1995-01-23 1996-07-25 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006004459B3 (de) * 2006-01-30 2007-06-21 Fleissner Gmbh Vorrichtung zum Montieren einer länglichen Dichtung oder eines O-Rings in ein Aufnahmeteil eines Düsenbalkens

Also Published As

Publication number Publication date
EP0909587A2 (fr) 1999-04-21
US6012654A (en) 2000-01-11
DE59806987D1 (de) 2003-02-27
DE19745661A1 (de) 1999-04-22
JPH11200222A (ja) 1999-07-27
EP0909587A3 (fr) 2000-12-06

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