EP1395693A1 - Installation de production d'une nappe non tissee spunbond consolidee par projection d'un fluide - Google Patents
Installation de production d'une nappe non tissee spunbond consolidee par projection d'un fluideInfo
- Publication number
- EP1395693A1 EP1395693A1 EP02761927A EP02761927A EP1395693A1 EP 1395693 A1 EP1395693 A1 EP 1395693A1 EP 02761927 A EP02761927 A EP 02761927A EP 02761927 A EP02761927 A EP 02761927A EP 1395693 A1 EP1395693 A1 EP 1395693A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- point
- consolidation
- conveyor
- installation
- installation according
- 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
- 238000009434 installation Methods 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 238000007596 consolidation process Methods 0.000 claims abstract description 28
- 230000008021 deposition Effects 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
- D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
Definitions
- the present invention relates to installations for producing spunbond nonwoven webs.
- These nonwoven plies are formed from continuous plastic filaments, and most often with an average diameter greater than 7 microns, in particular between approximately 8 and 30 microns.
- Filaments are formed by extruding molten plastic from a plurality of thin, usually circular, capillary holes in a die, the diameter of the extruded filaments being reduced rapidly after cooling in what is often called an attenuator.
- the filaments thus drawn are separated as best as possible from each other and fall on a conveyor where they form the sheet.
- the air and water permeable conveyor is a very expensive component of the installation. However, it is found that it must be changed well before it is worn out, because some of its parts become clogged and then give a nonwoven web which is no longer sufficiently regular and of good quality.
- the invention overcomes this drawback by an installation for producing a spunbond nonwoven web in which the conveyor has a longer service life, which gives a better quality nonwoven web and which is simpler and less expensive than known installations. so far.
- the subject of the invention is therefore an installation for producing a spunbond nonwoven web, comprising a die arranged so as to deposit filaments in a web at a deposition point on an endless conveyor and means for consolidating the web at a consolidation point downstream from the depot.
- the consolidation means consist of a device for projecting a jet of fluid onto the sheet directly at the consolidation point.
- directly is meant without interposition between the device for projecting a jet of fluid and the point of deposition of a consolidation device of another type, in particular with rollers.
- the button By projecting a jet of fluid, in particular a jet of liquid, and, most simply, a jet of water, on the sheet at the point of consolidation, on the one hand, the button is cooled which has less tendency to adhere, and , on the other hand, it is not compressed to the point of bursting it and bringing out the molten mass from the heart. Admittedly the button is incorporated in the spunbond nonwoven web which passes, but the defect does not reproduce any more with the following passages of the conveyor.
- the conveyor is usually a synthetic or metallic fabric, usually polyester or polyamide, sometimes bronze or stainless steel.
- the air permeability of the conveyor is generally between 250CFM and 800 CFM.
- a suction box was provided at this point. This box necessarily had large dimensions, because the diameter of a roll requires it to be removed from the bottom of the die assembly. As a water jet projection device can be much narrower than a roller, we can bring the deposit point and the consolidation point closer so that we can now do without this long and bulky box and therefore expensive.
- the deposition point which is a line corresponding to the intersection of the plane of symmetry of the die assembly and of the conveyor, and the consolidation point which is also a line extending substantially over the entire width of the conveyor and which is defined by the point of impact of the jet on the conveyor, are at a distance from each other less than 1m.
- the projection device can be a row of fluid orifices or several parallel rows of orifices, preferably two rows, each row being perpendicular to the direction of circulation of the conveyor.
- the consolidation point can be considered as the center line of the center row.
- the consolidation point passes through the middle of the interval between the central rows, for example between the second and third row, if there are four.
- the orifices preferably have a diameter of 70 to 200 microns with an interval between the orifices of 0.4 mm to 5 mm.
- a device for drying the sheet which is preferably above the conveyor, while there is provided below and preferably upstream of the drying device a setting device under vacuum which also facilitates the dehydration of the sheet.
- the invention also relates to a spunbond nonwoven ply also hydrodynamically intermingled.
- FIG. 1 is a schematic sectional view of an installation according to the invention
- FIG. 2 represents a variant.
- the installation according to the invention comprises a water-permeable mesh conveyor 1, made of a material resistant to corrosion and rust, in particular polyester, which passes over idler rollers 2, as well as over a drive roller 3 and tension rollers 4.
- the endless conveyor rotates with an upper horizontal strand which, in Figure 1, goes from left to right.
- the conveyor is a set of conventional dies comprising a dies 5 proper from which protrude spunbond filaments 6 which are cooled by a cooling device 7, then stretched and reduced in diameter in an attenuator 8 before being opened in a device 9 for forming and falling on the conveyor 1 at a point 10 of deposit.
- a suction box 11 Below the horizontal strand of the conveyor 1, there is provided opposite the deposit point 10 a suction box 11.
- a box 14 suction is arranged opposite the device 12 for spraying water on the other side of the horizontal strand of the conveyor 1.
- Downstream of the consolidation point 13 is provided above the horizontal strand of the conveyor 1 a device 15 for infrared drying, while upstream of this device 15 is provided below the horizontal strand of the conveyor 1 a device 16 for placing under empty.
- the consolidated spunbond nonwoven web is detached from the conveyor 1 to pass through a calender 17.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0105103 | 2001-04-13 | ||
| FR0105103A FR2823511B1 (fr) | 2001-04-13 | 2001-04-13 | Installation de production d'une nappe non tissee spunbond consolidee par projection d'un fluide |
| PCT/FR2002/001228 WO2002084006A1 (fr) | 2001-04-13 | 2002-04-09 | Installation de production d'une nappe non tissee spunbond consolidee par projection d'un fluide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1395693A1 true EP1395693A1 (fr) | 2004-03-10 |
| EP1395693B1 EP1395693B1 (fr) | 2010-06-30 |
Family
ID=8862331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02761927A Expired - Lifetime EP1395693B1 (fr) | 2001-04-13 | 2002-04-09 | Installation de production d'une nappe non tissee spunbond consolidee par projection d'un fluide |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20050077012A1 (fr) |
| EP (1) | EP1395693B1 (fr) |
| AT (1) | ATE472627T1 (fr) |
| DE (1) | DE60236862D1 (fr) |
| FR (1) | FR2823511B1 (fr) |
| WO (1) | WO2002084006A1 (fr) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7858544B2 (en) | 2004-09-10 | 2010-12-28 | First Quality Nonwovens, Inc. | Hydroengorged spunmelt nonwovens |
| DE202007007732U1 (de) | 2007-03-09 | 2007-08-09 | Fleissner Gmbh | Vorrichtung zum Herstellen und Verfestigen eines reinen Spinnvlieses |
| DE102008018976A1 (de) * | 2008-04-14 | 2009-10-15 | Fleissner Gmbh | Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes |
| DE102008013817A1 (de) * | 2008-03-12 | 2009-09-17 | Fleissner Gmbh | Verfahren und Vorrichtung zur Vorverfestigung eines Vlieses |
| US10639212B2 (en) | 2010-08-20 | 2020-05-05 | The Procter & Gamble Company | Absorbent article and components thereof having improved softness signals, and methods for manufacturing |
| JP5701988B2 (ja) | 2010-08-20 | 2015-04-15 | ザ プロクター アンド ギャンブルカンパニー | 改善された柔軟性信号を有する吸収性物品及びその構成要素、並びに製造方法 |
| KR101902768B1 (ko) * | 2013-05-10 | 2018-10-01 | 고어텍 인크 | 스피커모듈 사운드홀 차폐부재와 그 장착방법 및 스피커모듈 |
| CN110268113B (zh) * | 2016-12-14 | 2022-06-14 | Pf非织造布有限公司 | 液压处理的非织造织物及其制造方法 |
| FR3109162B1 (fr) * | 2020-04-14 | 2022-06-24 | Les Laboratoires Osteal Medical | Procédé de fabrication d’un structure textile non tissée |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2002A (en) * | 1841-03-12 | Tor and planter for plowing | ||
| US3485706A (en) * | 1968-01-18 | 1969-12-23 | Du Pont | Textile-like patterned nonwoven fabrics and their production |
| US3949130A (en) * | 1974-01-04 | 1976-04-06 | Tuff Spun Products, Inc. | Spun bonded fabric, and articles made therefrom |
| US4808467A (en) * | 1987-09-15 | 1989-02-28 | James River Corporation Of Virginia | High strength hydroentangled nonwoven fabric |
| US4950531A (en) * | 1988-03-18 | 1990-08-21 | Kimberly-Clark Corporation | Nonwoven hydraulically entangled non-elastic web and method of formation thereof |
| US7091140B1 (en) * | 1999-04-07 | 2006-08-15 | Polymer Group, Inc. | Hydroentanglement of continuous polymer filaments |
| FR2794776B1 (fr) * | 1999-06-10 | 2001-10-05 | Icbt Perfojet Sa | Procede pour la realisation d'un materiau non tisse, installation pour sa mise en oeuvre et non tisse ainsi obtenu |
| US20040010894A1 (en) * | 2002-07-17 | 2004-01-22 | Avgol Ltd. | Method for making a hydroentangled nonwoven fabric and the fabric made thereby |
| ATE310117T1 (de) * | 2002-08-09 | 2005-12-15 | Reifenhaeuser Gmbh & Co Kg | Verfahren zur herstellung einer spinnvliesbahn aus mehrkomponenten-filamenten |
-
2001
- 2001-04-13 FR FR0105103A patent/FR2823511B1/fr not_active Expired - Fee Related
-
2002
- 2002-04-09 WO PCT/FR2002/001228 patent/WO2002084006A1/fr not_active Ceased
- 2002-04-09 EP EP02761927A patent/EP1395693B1/fr not_active Expired - Lifetime
- 2002-04-09 DE DE60236862T patent/DE60236862D1/de not_active Expired - Lifetime
- 2002-04-09 AT AT02761927T patent/ATE472627T1/de active
- 2002-04-09 US US10/474,587 patent/US20050077012A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO02084006A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1395693B1 (fr) | 2010-06-30 |
| DE60236862D1 (de) | 2010-08-12 |
| US20050077012A1 (en) | 2005-04-14 |
| FR2823511A1 (fr) | 2002-10-18 |
| WO2002084006A1 (fr) | 2002-10-24 |
| FR2823511B1 (fr) | 2003-12-26 |
| ATE472627T1 (de) | 2010-07-15 |
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