EP0805888B1 - Procede de traitement d'une nappe de fibres cellulosiques - Google Patents
Procede de traitement d'une nappe de fibres cellulosiques Download PDFInfo
- Publication number
- EP0805888B1 EP0805888B1 EP96903044A EP96903044A EP0805888B1 EP 0805888 B1 EP0805888 B1 EP 0805888B1 EP 96903044 A EP96903044 A EP 96903044A EP 96903044 A EP96903044 A EP 96903044A EP 0805888 B1 EP0805888 B1 EP 0805888B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rinsing
- kwh
- lap
- jets
- fibers
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 229920003043 Cellulose fiber Polymers 0.000 title claims abstract 3
- 229920000742 Cotton Polymers 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000000151 deposition Methods 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 4
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 239000002537 cosmetic Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 32
- 239000000835 fiber Substances 0.000 abstract description 22
- 238000005470 impregnation Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000006260 foam Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000004061 bleaching Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000009991 scouring Methods 0.000 description 4
- 230000032798 delamination Effects 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 241000195940 Bryophyta Species 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000011929 mousse Nutrition 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010034133 Pathogen resistance Diseases 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Images
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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/02—Cotton wool; Wadding
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
-
- 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
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
- D06B5/02—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length
- D06B5/08—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through moving materials of indefinite length through fabrics
Definitions
- the invention relates to a method for treating a sheet of fibers.
- natural fibers such as cotton fibers and particularly targets the step during which the fibers are rinsed to remove the chemicals with which the tablecloth was previously impregnated for its treatment.
- the leaves are first removed by mechanical means, twigs or other foreign matter from the picking. Then we scour the fibers of their sheath of waxy and fatty materials by chemical treatment of scouring consisting in impregnating a sheet formed with the unbleached fibers using, for example, a soda liquor which is reacted with heating in a vaporizer. After treatment, the sheet is neutralized then rinsed at the water. Depending on requirements, it may be necessary to bleach the fibers and / or size. For bleaching, put the fibers in contact with a water solution oxygenated which is left to act at an appropriate temperature before neutralizing and rinse the fibers again with water.
- Scouring and bleaching can be carried out in batches in tanks containing the liquor.
- continuous processing methods have been developed in recent years to lower costs when it comes to to produce cotton wool in large quantities.
- the Applicant has put developed a continuous process to obtain a web having a certain cohesion that can be used as is in certain applications - cotton in packs, dressings or cosmetic pads for example - without having to mechanically rework the tablecloth, i.e. shred it for carding or tablecloth in another way, again.
- the steps of impregnation with the different liquors of scouring, bleaching or neutralizing rinse, respectively, are made by pouring onto the water table in the form of liquid slides in conditions which allow both a control of the quantity of liquid carried by the tablecloth and a homogeneous impregnation thereof.
- the general effectiveness of process is improved as well as the quality of the material after treatment whose characteristics vary little from one production to another.
- Liquid application in this form ensures at the same time a certain consolidation of the sheet in this is due in particular to the energy of the liquid communicated to it.
- Document FR-A-2 054 010 discloses a device using water jets for washing fibers.
- the invention provides a method for treating natural cellulosic fibers, in particular cotton fibers, comprising the steps of depositing the fibers on a permeable fabric conveyor to form a sheet of 100 to 800 g / m 2 , of impregnation with a treatment, treatment and then rinsing liquor by means of an aqueous liquid, characterized in that the rinsing is carried out by application of said liquid in the form of jets directed towards one face of the sheet perpendicular to its direction of travel and communicating with the water table has an energy of between 2 and 100 kWh per tonne of product treated.
- each injector includes, for example, an elongated chamber, closed along its length by a perforated plate, in one or more rows, of a large number of small diameter holes, of the order 100 ⁇ m.
- the chamber is supplied with pressurized liquid which escapes through the orifices in the form of parallel fine jets of corresponding diameter;
- an injector composed of 2 rows of holes for diameter 120 ⁇ m, 0.6 mm apart, dissipate an energy from 2 to 58 kwh / T, and distribute a quantity of rinsing water, respectively, from 9 to 41 m3 per tonne of treated product. These energies correspond to pressures of use of injectors between 5 and 50 bars
- the jets are used for rinsing a sheet whose grammage can go up to 800 g / m 2 , well beyond the grammages of the nonwovens for which they are generally used.
- the level of energy to be supplied depends on the thickness of the sheet and its grammage.
- the energy communicated to the water table will be less than 40 kwh / T. This will be the case, for example, for a sheet of 250 g / m 2
- the flow of liquid is understood between 8 and 40 m3 per ton of cotton.
- this flow is limited to 8 m3 / T, corresponding to levels low energy, less than 10 kWh / T, especially for cotton tablecloths intended for application as packaged cotton wool.
- this flow already allows effective rinsing of the water table, and we are not looking, in this case, for a increase in the mechanical resistance of the sheet.
- the application of an energy of 4 to 30 kwh / T increases the resistance characteristics, without reducing the thickness of the sheet.
- the jets are also applied to the side opposite the first.
- a product is thus obtained whose surface condition is the same on both sides; it is symmetrical.
- the installation may include a first station 2 for tableclothing the unbleached fibers which have been previously opened, mechanically cleaned, and possibly mixed if they are of different origins.
- the coating means can be of any form known to those skilled in the art: mechanical (carding) and / or pneumatic.
- a particular form of ply is described in patent application FR-A-2 701 039 or FR-A-2 701 040 where it comprises two layers formed of card webs on either side of a central layer obtained by pneumatic track.
- This can be of the type described in patent application FR-A-2 660 942 but any other impregnation means also falls within the scope of the present process.
- the tablecloth loaded with boiling liquor (soda and wetting agent) is conducted to a vaporizer 5 heated to a temperature close to 100 ° C. where it stays, while remaining continuous thanks to an appropriate storage means, during the time required for the reaction. This depends on the liquor and the rate of carrying. Then.
- the tablecloth is rinsed, and the boiling juice is extracted with next station 6.
- the scorched layer at 8 hydrophilic If you want to whiten the fibers, you can impregnate the scorched layer at 8 hydrophilic with a bleaching solution comprising, for example, water oxygenated, then the web is again introduced into a vaporizer 10 heated to a temperature close to 100 ° C. in which it remains for a sufficient time for money laundering to be effective.
- a bleaching solution comprising, for example, water oxygenated
- the rinsing step before drying is advantageously carried out by means of jets of liquid, water generally, such than those used in nonwoven manufacturing techniques by hydraulic needling of fibers, well known in the art under the designation "jetlace".
- jets of liquid, water generally, such than those used in nonwoven manufacturing techniques by hydraulic needling of fibers, well known in the art under the designation "jetlace”.
- jetlace we could, for example, use an installation provided by the company PERFOJET.
- the station 100 for rinsing by jets of water represented in FIG. includes a needle injector 105 arranged across the web and which applies high pressure water jets on its surface.
- the water jets are weak diameter, 120 ⁇ m, 0.6 mm apart and arranged in two parallel rows slightly spaced from each other.
- the liquid passes through the tablecloth and the support fabric permeable. It is sucked through a transverse slit parallel to the line jets communicating with a suction box 110.
- the installation includes a second injector 115 for the treatment of the face opposite of the tablecloth.
- the needle injector 115 is placed along a generator of the cylinder.
- the injectors 105 and 115 are supplied by a high pressure pump, not shown.
- a suction box 125 is placed inside the cylinder and collects the water coming from the injector 115.
- the sheet is guided around the cylinder of so as to pass to the right of the jets for rinsing, then is taken up by the conveyor. It is brought to a slot with high depression for the expression of liquids, before being dried in a hot air oven, for example as in previous installation. Finally the tablecloth is taken up to be, for example, cut and assembled.
- Tests were carried out on a cotton ply of 250 g / m 2 formed from a central ply by pneumatic route, framed by two isotropic card webs. This sheet was previously bleached and dried according to a process of the prior art.
- the thickness of the sheet is 4.5 mm measured under a load of 5 g / cm 2 . It still contains surfactants in small quantities which we highlight by measuring, according to the methods recommended by the French Pharmacopoeia, 10th edition, the height of the foam formed, and by determining its rate of substances soluble in water. . For the sheet used in the test, these values were 1 mm and 0.3% respectively.
- cross direction resistance increases appreciably up to 4.4kwhfr then weakly up to 25.6 kwh / T, to increase again substantially up to 57 kwh / T.
- the method of the invention makes it possible to obtain an effective rinsing, without modifying the structure of the sheet while controlling the improvement in its resistance.
- an energy level of between 2 and 10 kwh / T is chosen and a flow rate preferably between 8 and 22 m 3 per tonne of product treated.
- the mechanical resistance of the sheet is increased by positioning preferably between 10 and 40 kwh / T, the flow rate being between 8 and 37 m 3 per tonne of product treated.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatment Of Fiber Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Treatment Of Fibers During Manufacturing Processes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Description
- L'efficacité du rinçage est nettement améliorée par rapport à un rinçage par déversement de liquide. Pour des niveaux d'énergie très faibles : 2,2 kwh/T, la hauteur de mousse devient nulle et le taux de substances solubles diminue de 30 à 50 %. Ces deux indicateurs sont représentatifs de la quantité résiduelle de produits de traitement.
- S'agissant d'un simple traitement d'une nappe de fibres dont le but est de fournir une nappe consolidée, destinée à être utilisée directement comme coton hydrophile en paquet ou bien comme pansement, tampon absorbant ou tampon à démaquiller sans autre transformation qu'une découpe et un conditionnement, il est important de ne pas trop réduire l'épaisseur de la nappe par ce mode de rinçage. Les résultats montrent de façon surprenante que dans la plage d'énergie définie, l'épaisseur du produit fini sortant du process après séchage, reste sensiblement constante et correspond à celle qu'elle présente dans le procédé mettant en oeuvre un rinçage par lames de liquide.
- Malgré la faible énergie des jets, on renforce dans une certaine mesure la résistance de la nappe. En particulier, la résistance au pelage et l'état de surface sont nettement améliorés. Il apparaít que ce traitement par jets produit un renforcement de la nappe dans les couches superficielles sans pour autant affecter les couches sous-jacentes. Ce procédé est particulièrement avantageux pour les nappes stratifiées comprenant une nappe centrale formée par voie aérodynamique entre deux voiles de carde, selon la demande de brevet FR-A-2 701 039.
- la figure 1 représente schématiquement une installation de débouillissage et de blanchiment en continu, de fibres de coton conforme à l'enseignement de l'art antérieur.
- la figure la représente le détail du poste de rinçage conforme à l'invention.
- la figure 2 est un graphique représentant l'influence de la quantité d'énergie, ramenée à la tonne de produit traité, appliquée à la nappe par les jets d'eau sur son épaisseur en mm.
- la figure 3 est un graphique représentant l'influence du débit, ramené à la tonne de produit traité, sur la hauteur de mousse H, en mm, et le taux de matières solubles S, en pourcentage par rapport aux fibres.
- les figures 4 et 5 sont des graphiques représentant l'influence de la quantité d'énergie, ramenée à la tonne de produit traité, appliquée sur la nappe par les jets d'eau, sur les résistances à la rupture sens marche, respectivement sens travers de celle-ci.
- la figure 6 est un graphique représentant l'influence de la quantité d'énergie, ramenée à la tonne de produit traité, sur la résistance, en centi-newton, à la délamination d'une nappe de fibres stratifiée selon l'enseignement de la demande de brevet FR-A-2 701 040.
- vitesse d'écartement des machoires de l'Instron : 100 mm/min ;
- largeur de l'éprouvette : 50 mm ; et
- longueur de l'éprouvette : 100 mm.
Claims (7)
- Procédé de traitement de fibres cellulosiques naturelles, notamment de fibres de coton, comprenant les étapes de dépôt des fibres sur une toile en défilement continu pour former une nappe de 100 à 800 g/m2, d'imprégnation avec une solution de traitement, de traitement, puis de rinçage au moyen d'un liquide aqueux, caractérisé en ce que le rinçage est réalisé par application dudit liquide sous forme de jets dirigés vers une face de la nappe perpendiculairement à son sens de défilement avec une énergie de 2 à 60 kwh par tonne de produit traité.
- Procédé selon la revendication 1, notamment pour la fabrication de coton hydrophile paqueté, caractérisé en ce que la quantité d'énergie est comprise entre 2 et 10 kwh par tonne de produit traité.
- Procédé selon la revendication 2, caractérisé en ce que le débit est compris entre 8 et 22 m3 par tonne de produit traité.
- Procédé selon la revendication 1, notamment pour la fabrication de tampons à démaquiller ou autre produit semblable, caractérisé en ce que le niveau de ladite énergie est compris entre 2 et 40 kwh/T, de préférence entre 10 et 40 kwh/T.
- Procédé selon la revendication 4, caractérisé en ce que le débit est compris entre 8 et 37 m3 par tonne de produit traité.
- Procédé selon l'une des revendications précédentes caractérisé en ce que l'on applique les jets également sur la face opposée à ladite face.
- Procédé selon l'une des revendications précédentes caractérisé en ce que l'on incorpore à ladite nappe jusqu'à 30 % de fibres synthétiques.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9501280 | 1995-02-03 | ||
FR9501280A FR2730248B1 (fr) | 1995-02-03 | 1995-02-03 | Procede de traitement d'une nappe de fibres cellulosiques |
PCT/FR1996/000181 WO1996023922A1 (fr) | 1995-02-03 | 1996-02-02 | Procede de traitement d'une nappe de fibres cellulosiques |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0805888A1 EP0805888A1 (fr) | 1997-11-12 |
EP0805888B1 true EP0805888B1 (fr) | 1999-03-17 |
Family
ID=9475823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96903044A Expired - Lifetime EP0805888B1 (fr) | 1995-02-03 | 1996-02-02 | Procede de traitement d'une nappe de fibres cellulosiques |
Country Status (9)
Country | Link |
---|---|
US (1) | US5771517A (fr) |
EP (1) | EP0805888B1 (fr) |
AT (1) | ATE177796T1 (fr) |
CA (1) | CA2212137C (fr) |
DE (1) | DE69601782T2 (fr) |
ES (1) | ES2128833T3 (fr) |
FR (1) | FR2730248B1 (fr) |
GR (1) | GR3030204T3 (fr) |
WO (1) | WO1996023922A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013014259A1 (fr) | 2011-07-28 | 2013-01-31 | Georgia Pacific France | Produit fibreux absorbant contenant au moins 50% de fibres cellulosiques hydrophiles et comprenant au moins deux couches dont l'une est hydroliee |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030039682A1 (en) * | 1999-12-07 | 2003-02-27 | Philippe Gregoire | Article such as a makeup removal pad comprising an external surface for applying aqueous products on the skin |
DK1106723T3 (da) * | 1999-12-07 | 2003-04-22 | Georgia Pacific France | Pude af vandsugende bomuldsvat beregnet til hudpleje og omfattende to forskellige yderflader |
FR2882068B1 (fr) * | 2005-02-14 | 2011-04-08 | Georgia Pacific France | Tampon fibreux impregne |
FR2942133B1 (fr) | 2009-02-13 | 2012-12-14 | Georgia Pacific France | Article pour le nettoyage de la peau |
CN115976766B (zh) * | 2022-09-30 | 2023-08-29 | 连云港市百顺医疗用品有限公司 | 光学零件清洁用脱脂棉新装置与工艺 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2031475A1 (de) * | 1969-07-02 | 1971-03-18 | Iwanowskoje spesialnoje konstruk torskoje büro krasilno otdelotschnowo oborudowanija, SSSR Iwanowo (Sowjet union) | Einrichtung zur Flussigkeitsbe handlung eines sich im Strom kontinuier hch bewegenden Fasergutes |
US3864079A (en) * | 1971-06-04 | 1975-02-04 | Hercules Inc | Method for scouring and blooming pile carpet |
US4095443A (en) * | 1976-11-17 | 1978-06-20 | Schmidt Industries, Inc. | Apparatus for washing rugs and the like |
DE3703267A1 (de) * | 1987-02-04 | 1988-08-18 | Babcock Textilmasch | Siebtrommel-waschvorrichtung |
FR2662711B2 (fr) * | 1989-12-01 | 1992-08-14 | Kaysersberg Sa | Procede de fabrication de nontisse. |
FR2660942B1 (fr) * | 1990-04-11 | 1994-09-09 | Kaysersberg Sa | Procede d'impregnation en continu d'une nappe textile. |
DE69325869T2 (de) * | 1992-10-01 | 2000-04-27 | Milliken & Co., Spartanburg | Verfahren und Vorrichtung zum Auffrischen von Teppichfliesen |
-
1995
- 1995-02-03 FR FR9501280A patent/FR2730248B1/fr not_active Expired - Fee Related
-
1996
- 1996-02-02 WO PCT/FR1996/000181 patent/WO1996023922A1/fr active IP Right Grant
- 1996-02-02 AT AT96903044T patent/ATE177796T1/de active
- 1996-02-02 US US08/875,596 patent/US5771517A/en not_active Expired - Lifetime
- 1996-02-02 CA CA002212137A patent/CA2212137C/fr not_active Expired - Fee Related
- 1996-02-02 EP EP96903044A patent/EP0805888B1/fr not_active Expired - Lifetime
- 1996-02-02 ES ES96903044T patent/ES2128833T3/es not_active Expired - Lifetime
- 1996-02-02 DE DE69601782T patent/DE69601782T2/de not_active Expired - Lifetime
-
1999
- 1999-05-13 GR GR990401289T patent/GR3030204T3/el unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013014259A1 (fr) | 2011-07-28 | 2013-01-31 | Georgia Pacific France | Produit fibreux absorbant contenant au moins 50% de fibres cellulosiques hydrophiles et comprenant au moins deux couches dont l'une est hydroliee |
Also Published As
Publication number | Publication date |
---|---|
FR2730248B1 (fr) | 1997-03-21 |
ATE177796T1 (de) | 1999-04-15 |
EP0805888A1 (fr) | 1997-11-12 |
DE69601782T2 (de) | 1999-07-29 |
FR2730248A1 (fr) | 1996-08-09 |
DE69601782D1 (de) | 1999-04-22 |
ES2128833T3 (es) | 1999-05-16 |
CA2212137A1 (fr) | 1996-08-08 |
WO1996023922A1 (fr) | 1996-08-08 |
CA2212137C (fr) | 2006-05-30 |
US5771517A (en) | 1998-06-30 |
GR3030204T3 (en) | 1999-08-31 |
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