EP1190132A1 - Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression - Google Patents
Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pressionInfo
- Publication number
- EP1190132A1 EP1190132A1 EP00931334A EP00931334A EP1190132A1 EP 1190132 A1 EP1190132 A1 EP 1190132A1 EP 00931334 A EP00931334 A EP 00931334A EP 00931334 A EP00931334 A EP 00931334A EP 1190132 A1 EP1190132 A1 EP 1190132A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- treatment
- channel
- perforated plate
- under pressure
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
Definitions
- the present invention relates to an improvement brought to the installations, making it possible to treat sheet materials by means of jets of water under pressure, which act on the structure in the manner of needles, used in particular for treating nonwoven structures. in order to give them cohesion and / or modify their appearance.
- One of the essential elements of such installations is the system for forming jets or needles of water, commonly designated by the expression ⁇ ( injector M.
- the invention relates more particularly to a new type of injector.
- such injectors are therefore in the form of a ramp, continuous, extending transversely with respect to the direction of travel of the sheet material ( F) to process, non-woven for example, and whose length is adapted to the width of said material.
- This ramp can either be constituted by a single elementary module or a plurality of modules juxtaposed to each other.
- Such a ramp consists of a main body (1), making it possible to resist any deformation under water pressure, at the upper part of which is formed a chamber (2), generally of cylindrical shape, supplied with water under pressure through a pipe (3) supplied by a pump (not shown).
- a cartridge (4) is arranged, constituted for example by a perforated cylinder lined with a filter cloth, which not only acts as a filter, but also serves as a distributor.
- the pressurized water introduced inside the chamber (2) then flows through cylindrical bores (5), spaced with a regular pitch over the entire width of the injector, a hole whose diameter is generally between 4 mm and 10 mm, the thickness of the wall between two consecutive holes being of the order of 3 to 5 mm.
- Maintaining the perforated plate (7) against the main body of the injector is obtained for example in accordance with the teachings of EP 400249 by means of longitudinal jaws (9) subjected to the action of hydraulic cylinders which allow to exert a clamping action by means of a set of spreaders and tie rods arranged along the injector.
- a seal (not shown) is disposed between the perforated plate (7) and the base of the main body (1).
- FIG. 2 schematically illustrates the reasons for such defects.
- bands (B) of low density and very irregular on the surface are obtained on the finished product, which exactly coincide with the turbulent flow zones between the bores.
- the injector according to the invention therefore allowing the treatment of a sheet material (nonwoven, textile complex, film, paper ”) by means of jets / needles of water consists :
- a pressurized water supply body comprising a supply chamber extending over the entire length of said body, and inside which water under pressure is brought through a filter ;
- a distribution zone distributing the water under pressure over the entire treatment width against a plate provided with micro-perforations, the holes of which define needles of water directed against the surface of the material to be treated, material supported by a conveyor element (drum or belt), subjected to a suction source allowing the elimination of the process water, and it is characterized in that the transfer of water from the supply chamber to the plate perforated, is made through a rectangular section channel extending over the entire length of the injector, from the periphery of the supply chamber to the surface of the perforated plate, the spacing between the side walls of this channel as well as its height producing a unidirectional water flow, stable and without turbulence.
- the space between the two side walls defining the distribution channel is advantageously between 2 mm and at most 10 mm, the height of the walls being included. between 5 mm and 100 mm, the jets produced through micro-perforations having, thanks to such a structure, identical energy at the output and this, over the entire treatment width.
- FIG. 3 also illustrates, schematically, in perspective and in section along its vertical plane of symmetry, the general structure of an injector designed according to the invention and;
- FIG. 4 is a schematic view of the flow of water under pressure inside an injector produced according to the invention.
- the injector according to the invention consists of, a similarly to this state of the art, of a main body (1) made of steel, having a length of 3500 mm, a total width of 200 mm, and a height of 200 mm.
- a cylindrical chamber (2) with a diameter of 70 mm is produced in the upper part of this body.
- This chamber is supplied with pressurized water through a pipe (3).
- the water inlet is illustrated as being done laterally, but it could be done from above the body or the rear.
- a cartridge (4) constituted by a perforated cylinder coated with a filter cloth.
- a micro-perforated plate (7) produced, in this case, by a steel strip having 1 mm of thickness, 25 mm wide and comprising at least a row of orifices, the diameter of which is preferably between 100 and 200 ⁇ m and which are spaced apart by a distance generally between 0.6 and
- Sealing means seals (23) for example, are of course provided between the base (20) of the upper body and the surface of the micro-perforated plate (7).
- the transfer of pressurized water to the plate (7) for forming water jets is obtained through a channel (22) extending from the periphery of the chamber (2 ) up to the surface of the micro-perforated plate (7).
- This split channel consists of two opposite parallel walls (21), spaced from one another by a distance of between 1 mm and a maximum of 10 mm, the height being, for its part, between 5 mm and 100 mm. This split channel is closed laterally.
- the injectors of the prior art as illustrated in FIG. 1 have the following characteristics: diameter of the upper chamber (4): 50 mm diameter of the conduits (5): 6 mm distance between centers of two conduits (5) consecutive: 10 mm height of conduits (5) 35 mm height of lower chamber (6): 10 mm micro-perforated plate comprising a single row of micro-perforations of 120 ⁇ m, spaced from each other by 0.6 mm.
- the other series of tests is carried out on the same machine, with injectors produced in accordance with the invention, the upper chamber of which has the same diameter as the conventional injectors, and which, with respect to the latter, comprises a split channel (22) over a height of 36 mm, extending from the inlet chamber (4) to the micro-perforated plate (7), and whose parallel walls are spaced apart from each other by 3 mm.
- the micro-perforated plate is also constituted by a plate having orifices of 120 ⁇ m, spaced from each other by 0.6 mm.
- a nonwoven web weighing 250 g / m 2 is treated based on polyester fibers having a titer of 1.7 dtex and a width of 38 mm.
- This veil is subjected to the action of two injectors acting successively against the two faces of the veil.
- the water is supplied inside the upper chamber of each type of injector by gradually increasing the supply pressure.
- the injector according to the invention makes it possible to obtain a perfectly bonded sheet, without any apparent defect, for a supply pressure of up to 400 bars. Consequently, it can be envisaged, thanks to the device according to the invention, either to increase the production speeds without deteriorating the characteristics of the product, or to treat much thicker sheets, or even different types of complexes for which the Conventional injectors cannot be used.
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Paper (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- General Preparation And Processing Of Foods (AREA)
- Processing Of Solid Wastes (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9907885A FR2795099B1 (fr) | 1999-06-17 | 1999-06-17 | Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression |
FR9907885 | 1999-06-17 | ||
PCT/FR2000/001398 WO2000079036A1 (fr) | 1999-06-17 | 2000-05-22 | Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1190132A1 true EP1190132A1 (fr) | 2002-03-27 |
EP1190132B1 EP1190132B1 (fr) | 2004-06-30 |
Family
ID=9547099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00931334A Expired - Lifetime EP1190132B1 (fr) | 1999-06-17 | 2000-05-22 | Dispositif pour le traitement de materiaux en feuille au moyen de jets d'eau sous pression |
Country Status (14)
Country | Link |
---|---|
US (1) | US6474571B2 (fr) |
EP (1) | EP1190132B1 (fr) |
JP (1) | JP4593044B2 (fr) |
CN (1) | CN1192136C (fr) |
AT (1) | ATE270358T1 (fr) |
AU (1) | AU4930200A (fr) |
DE (1) | DE60011900T2 (fr) |
DK (1) | DK1190132T3 (fr) |
ES (1) | ES2221618T3 (fr) |
FR (1) | FR2795099B1 (fr) |
IL (2) | IL146866A0 (fr) |
PL (1) | PL202408B1 (fr) |
PT (1) | PT1190132E (fr) |
WO (1) | WO2000079036A1 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6976421B2 (en) * | 2001-07-03 | 2005-12-20 | Conly L. Hansen | Machine for injecting liquids |
FR2836401B1 (fr) | 2002-02-26 | 2004-12-17 | Rieter Perfojet | Dispositif de projection reguliere de jets d'eau s'appliquant notamment a une installation de liage de non tisses |
FR2845934B1 (fr) * | 2002-10-22 | 2004-12-24 | Rieter Perfojet | Dispositif de projection de jets a double obturation. |
KR100500756B1 (ko) * | 2003-06-27 | 2005-07-11 | 주식회사 디엠에스 | 평판 디스플레이 표면 처리용 유체분사장치 |
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 |
EP2085489A1 (fr) * | 2008-02-02 | 2009-08-05 | Novaltec Sàrl | Système de microjet de fluides |
EP2302120B1 (fr) * | 2009-09-22 | 2012-06-20 | Groz-Beckert KG | Injecteur pour une machine de traitement du textile |
IT201600076150A1 (it) * | 2016-07-20 | 2018-01-20 | A C M Eng S R L | Dispositivo iniettore per getti d’acqua |
DE102016119481A1 (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 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3214819A (en) | 1961-01-10 | 1965-11-02 | Method of forming hydrauligally loomed fibrous material | |
CH465545A (de) * | 1962-07-06 | 1968-02-15 | Du Pont | Verfahren zur Herstellung von verfestigten, nicht durchbrochenen textilen Flächengebilden sowie danach hergestellte Flächengebilde |
US3508308A (en) * | 1962-07-06 | 1970-04-28 | Du Pont | Jet-treatment process for producing nonpatterned and line-entangled nonwoven fabrics |
US3485706A (en) | 1968-01-18 | 1969-12-23 | Du Pont | Textile-like patterned nonwoven fabrics and their production |
US3613999A (en) * | 1970-04-29 | 1971-10-19 | Du Pont | Apparatus for jetting liquid onto fibrous material |
US5042722A (en) * | 1987-07-13 | 1991-08-27 | Honeycomb Systems, Inc. | Apparatus for jetting high velocity liquid streams onto fibrous materials |
US5054349A (en) | 1989-03-21 | 1991-10-08 | Andre Vuillaume | Procedure and apparatus for perforating a product in sheets and perforated product obtained like this |
KR930011631B1 (ko) * | 1991-08-21 | 1993-12-16 | 주창환 | 고압유체를 이용한 부직포의 제조방법 |
KR930011631A (ko) | 1991-11-08 | 1993-06-24 | 이헌조 | 동작명령 입력장치 및 입력방법 |
DE59601476D1 (de) * | 1995-01-23 | 1999-04-29 | Fleissner Maschf Gmbh Co | Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen |
US5806155A (en) * | 1995-06-07 | 1998-09-15 | International Paper Company | Apparatus and method for hydraulic finishing of continuous filament fabrics |
-
1999
- 1999-06-17 FR FR9907885A patent/FR2795099B1/fr not_active Expired - Fee Related
-
2000
- 2000-05-22 CN CN00809102.1A patent/CN1192136C/zh not_active Expired - Lifetime
- 2000-05-22 DE DE60011900T patent/DE60011900T2/de not_active Expired - Lifetime
- 2000-05-22 AU AU49302/00A patent/AU4930200A/en not_active Abandoned
- 2000-05-22 DK DK00931334T patent/DK1190132T3/da active
- 2000-05-22 IL IL14686600A patent/IL146866A0/xx active IP Right Grant
- 2000-05-22 PL PL364723A patent/PL202408B1/pl unknown
- 2000-05-22 JP JP2001505377A patent/JP4593044B2/ja not_active Expired - Lifetime
- 2000-05-22 PT PT00931334T patent/PT1190132E/pt unknown
- 2000-05-22 EP EP00931334A patent/EP1190132B1/fr not_active Expired - Lifetime
- 2000-05-22 WO PCT/FR2000/001398 patent/WO2000079036A1/fr active IP Right Grant
- 2000-05-22 ES ES00931334T patent/ES2221618T3/es not_active Expired - Lifetime
- 2000-05-22 AT AT00931334T patent/ATE270358T1/de active
-
2001
- 2001-11-28 US US09/996,110 patent/US6474571B2/en not_active Expired - Lifetime
- 2001-12-02 IL IL146866A patent/IL146866A/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0079036A1 * |
Also Published As
Publication number | Publication date |
---|---|
IL146866A0 (en) | 2002-08-14 |
AU4930200A (en) | 2001-01-09 |
CN1192136C (zh) | 2005-03-09 |
DK1190132T3 (da) | 2004-07-26 |
US20020134866A1 (en) | 2002-09-26 |
FR2795099A1 (fr) | 2000-12-22 |
DE60011900T2 (de) | 2005-08-25 |
FR2795099B1 (fr) | 2001-07-13 |
ATE270358T1 (de) | 2004-07-15 |
US6474571B2 (en) | 2002-11-05 |
JP4593044B2 (ja) | 2010-12-08 |
CN1357063A (zh) | 2002-07-03 |
DE60011900D1 (de) | 2004-08-05 |
PL202408B1 (pl) | 2009-06-30 |
ES2221618T3 (es) | 2005-01-01 |
PT1190132E (pt) | 2004-09-30 |
PL364723A1 (en) | 2004-12-13 |
IL146866A (en) | 2006-06-11 |
WO2000079036A1 (fr) | 2000-12-28 |
JP2003529682A (ja) | 2003-10-07 |
EP1190132B1 (fr) | 2004-06-30 |
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