EP1885927A2 - Tambour pour machine de fabrication d'un non tisse a motifs et non tisse obtenu. - Google Patents
Tambour pour machine de fabrication d'un non tisse a motifs et non tisse obtenu.Info
- Publication number
- EP1885927A2 EP1885927A2 EP06755513A EP06755513A EP1885927A2 EP 1885927 A2 EP1885927 A2 EP 1885927A2 EP 06755513 A EP06755513 A EP 06755513A EP 06755513 A EP06755513 A EP 06755513A EP 1885927 A2 EP1885927 A2 EP 1885927A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- perforations
- nonwoven
- pattern
- zone
- 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
- 239000004744 fabric Substances 0.000 title description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 11
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 239000000835 fiber Substances 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000011159 matrix material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000005868 electrolysis reaction Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000002537 cosmetic Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 206010020112 Hirsutism Diseases 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/02—Tubes; Rings; Hollow bodies
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/08—Perforated or foraminous objects, e.g. sieves
-
- 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
- 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
-
- 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
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- 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
- D04H3/013—Regenerated 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/015—Natural yarns or filaments
-
- 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
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
-
- 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
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/006—Making patterned paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
Definitions
- the present invention relates to machines for producing patterned nonwoven textile products and nonwovens produced by such machines.
- WO 03/008691 a relief marking roll of a nonwoven is described.
- the device used is such that it is impossible to create closed contours without using metal bridges linking the inside to the outside of the contour. It necessarily follows patterns delimited by discontinuous features.
- the invention proposes, on the other hand, to obtain on a nonwoven a pattern delimited by a continuous contour.
- EP 0 705 932 B2 discloses a nonwoven which retains its three-dimensional structure even when stressed.
- Figures 13 and 14 describe a drum useful for this purpose. It is pierced with craters with conical mouth which is explained that the angle 111 of the cone must be such that it does not follow that the outer surface of the side wall is flat and smooth.
- Figures 14 show that the opening rate of the outer surface of the side wall is very large.
- EP 0 776 391 a random microperforated roll is described.
- the invention defies these disadvantages while solving a different problem. It makes it possible to obtain a non-woven having little hairiness both in the projecting parts and in the recessed parts delimiting the pattern, which may be of continuous contours and have a dimension greater than 2 mm.
- the subject of the invention is a metal drum, having at a first level at least a first perforated side wall zone with through-perforations delimited by first solid parts and at least a second perforated side-wall zone with through perforations delimited by second portions. solid parts at a second level different from the first level, characterized in that
- the size of the perforations is between 0.1 and 1.2 mm
- the number of perforations both in the at least one first zone and in the at least one second zone is between 40 and 200 per square centimeter
- the opening rate is between 3 and 60%, and preferably between 5 and 15%.
- the drum of the invention has an open surface (small opening ratio). This characteristic makes the product of the invention has a low hairiness.
- the drum allows to generate the connection
- the drum is preferably made of nickel, but it can also be another metal or alloy, and especially copper.
- the numbers of the perforations, both in the at least one first zone and in the at least one second zone, are preferably between 80 and 130 cm 2 .
- the formation of patterns can be done effectively only by precise management of the water flow from its emission to its suction through the patterning drum. This particularly important water flow management in the case of wetlaid products where the fibers are very short and therefore more mobile is controlled through the distribution and the size of the perforations.
- these perforations In order to obtain a good marking without creating a perforation in the nonwoven, these perforations have a dimension between 0.1 and 1, 2 mm and the density of these perforations must be between 40 and 200 / cm 2 . If the size of the perforations is less than 0.1 mm or the density is less than 40 / cm 2 , the drainage flow rate is locally insufficient, which can cause perforations caused by excessive displacement of the fibers.
- the open surface is too large to retain the fibers that will be entrained and sucked with the water, thus creating uncontrolled perforations in the non-woven.
- a nonwoven wetlaid composed of 80% of cellulosic fibers and 20% of polyester fibers with a basis weight of 40 g / m 2 is embossed with average of the cylinder.
- the cylinder has a pattern imitating a woven fabric appearance shaped chevrons.
- the cylinder is provided with perforations of diameter 0.5 mm and having a perforation density of
- the non-woven After marking on the cylinder, the non-woven has in addition to the chevron pattern perforations of random size and position due to poor drainage of water during treatment.
- a non-woven wetlaid composed of 80% of cellulosic fibers and 20% of polyester fiber of 40 g / m 2 surface mass is embossed by means of the cylinder.
- the cylinder has a pattern imitating a woven fabric appearance shaped chevrons.
- the cylinder is provided with perforations with a diameter of 0.3 mm and a perforation density of 100 / cm 2 .
- the nonwoven After marking on the roll, the nonwoven has a chevron pattern and a uniform surface condition.
- the through perforations have a dimension of preferably between 0.3 and 0.8 mm.
- size of a perforation is meant the diameter of the circle circumscribed by a perforation.
- the perforation may have any shape and in particular circular, rectangular, elliptical.
- the perforations are preferably randomly distributed to the side surface of the cylinder.
- the area of each perforation can range from 0.008 to 1.5 mm 2 .
- the opening ratio is 3 to 60%, and preferably 5 to 15%, this percentage representing the perforated area relative to the total lateral surface of the roll.
- the perforations are cylindrical having preferably a circular cross section, although they may also have a square section or the like.
- the area taken by a perforation on the outer lateral surface of the cylinder is thus equal to the area taken by this perforation on the inner lateral surface of the cylinder.
- the first layer has a thickness of between 0.3 and 2 mm and the second layer has a thickness between 0.3 and 2 mm.
- the smallest imaginary inscribed circle traced on the outside face of the lateral surface of the cylinder, both in the at least one first zone and in the at least one second zone has a diameter greater than 0.5 mm, preferably greater than 2 mm.
- a first zone is in the form of a hammer, it means that the smallest circle inscribed is that which corresponds to the handle of the hammer and not to a circle inscribed in the head of the hammer.
- the variation in height of the outer surface of a zone and, preferably, of all the zones of the lateral wall is less than 0.05 and better still 0.01 mm. This is in direct contradiction with the teaching of EP 0 705 932B. This makes it possible to obtain a less aggressive surface with respect to the fibers favoring hydrolysis, which gives the nonwoven a more regular appearance.
- a level is defined by the points at the same radial distance from the drum axis.
- All the points of the same level are on the lateral face of the same cylinder of a given diameter.
- the heights of the outer surface of a zone are defined in the same way. The height variation is measured according to ISO 4287 where it is indicated by the notation zt. The probe instrument of the Federal Office of Metrology METAS is used.
- the measuring instrument is a probe instrument with a precise reference translation unit.
- the movement of the probe arm is measured interferometrically.
- the vertical resolution is 10 nm at each measurement point.
- the resolution of the horizontal displacement is 0.25 ⁇ m.
- the measuring range for profile evaluation is 120 mm (horizontal) and 6 mm (vertical).
- the diamond tip of the probe usually has a radius of 2 ⁇ m at its end and an angle at the apex of 90 °.
- the probe instrument is directly attached to the base meter unit by means of a reference standard.
- the drum according to the invention makes it possible to reduce the frequency of cleaning by limiting the stitching of the short fibers onto the surface of the cylinder, particularly in the case of use on wetlaid products, which is very sensitive to this phenomenon and to reduce the loss of fibers. short when used, especially on wetlaid products.
- the invention also aims, independently, a perforated metal cylinder for the production of patterned nonwoven textile products, characterized in that it consists of at least two layers of which a first layer corresponds to a first level constituting at least a first perforated side wall zone of through perforations delimited by first solid parts, and at least a second layer of which corresponds to a second level constituting at least a second perforated side wall zone of through perforations delimited by second parts full.
- the perforated marking drum can be manufactured in two stages.
- a first step an electrolytic deposition of nickel or another metal on a conductive matrix is performed by the screen printing technique.
- a photographic film representing the pattern of the bottom perforations is made.
- This film is then placed on a matrix having exactly the inner diameter of the perforated cylinder.
- This matrix is previously coated with a photosensitive layer. After exposure to light radiation, the matrix is rinsed. Only coated areas not exposed to radiation remain on the matrix. This is then immersed in an electrolysis bath. Nickel or other metal is deposited on areas not coated with a photosensitive layer. After about eight hours, the deposit has reached its optimum thickness.
- the cylinder is demolded.
- the cylinder is coated, again, with a photosensitive layer.
- a new film representing the marking pattern is placed on the cylinder. Then, it is exposed to light radiation. The cylinder is rinsed. Only areas not exposed to the radiation of the coated layer remain on the cylinder. It is immersed in an electrolysis bath. The nickel or other metal is deposited on the cylinder previously produced on the areas not covered with a photosensitive layer. Nickel or other metal does not fill the perforations of the lower cylinder. The perforations therefore extend to the new deposit of nickel or other metal. After about ten hours, the new deposit has reached its optimum thickness. The cylinder is then removed from the bath and freed of photosensitive layer residues.
- the subject of the invention is also a method for manufacturing a drum according to the invention in which
- the film is placed on a matrix having the inside diameter of the drum and coated with a photosensitive layer on certain parts, the matrix is exposed to light radiation so that only the non-irradiated coated parts remain on the matrix,
- the lower cylinder is coated with a photosensitive layer on certain zones,
- the subject of the invention is also a machine for manufacturing a patterned nonwoven comprising an injector of water jets on the outside face of the lateral surface of a cylinder according to the invention and means for passing a web without patterns between the cylinder and the injector. At the outlet of the cylinder, the nonwoven web is provided with a conjugate pattern of the cylinder pattern.
- the nonwovens may be made of natural or artificial or synthetic fibers.
- the nonwovens are generally obtained by the carding or aerodynamic technique, they can also consist of continuous thermoplastic filaments obtained by the so-called spunbond technique, or even meltblowns.
- the nonwovens can also be obtained by the so-called wet technique, they can also be obtained by the combination of several processes such as, for example, spunbond plus carded veils, spunbond plus natures deposited aerodynamically by airlaid and linked by jets. of water. Good results have been obtained with nonwovens of 30 to 150 g / m 2 based on viscose, viscose / polyester and cotton blends. But this list is not exhaustive.
- the thicknesses of the nonwovens, including the protruding patterns, are generally between 0.5 mm and 2.5 mm and the elevation of the protruding parts is preferably between 0.3 and 2.0 mm, preferably between 0.5 and 1.5 mm.
- the thickness of the elevation is measured in the following manner: the thickness is measured by placing the non-woven material in a non-woven thickness measuring apparatus, as recommended by the EDANA ERT 30.5-99 standard. The elevation is measured with a magnifying glass of magnification eight times and micrometric scale. A magnifying glass with a magnification of eight times is also used to determine the distance from which the free ends of the filiform filaments project and their number.
- the non-wovens may be subjected to a first bonding treatment on a conventional machine for bonding the nonwovens by water jets and immediately after the continuous transfer to the machine that is the subject of the present invention.
- a first bonding treatment on a conventional machine for bonding the nonwovens by water jets and immediately after the continuous transfer to the machine that is the subject of the present invention.
- the water jets may have a diameter of between 80 and 170 microns and preferably between 100 and 140 microns.
- the number of jets per meter is between 1000 and 5000 and preferably between 1500 and 4000.
- the pressure of the water in the injectors is between 10 and 400 bar and preferably between 80 and 250 bar.
- a vacuum in the cylinder of between -20 mbar and -200 mbar is maintained and the drum is driven by usual rotary drive means at a speed of between 1 and 400 meters per minute.
- the invention finally relates to a nonwoven which comprises entangled filiform elements, in which is embossed a pattern, characterized in that the free ends of the filiform elements are projecting from the face of the nonwoven having the pattern on a length less than 0.5 mm and the number of these projecting ends is less than 5/5 mm 2 .
- the hairiness of the nonwoven, marked with the new drum, is lower than in the case of the prior art. This is explained by the fact that the new drum has a bonding surface promoting integration of the ends of fibers in the fibrous mass.
- the nonwoven according to the invention can be given without difficulty a pattern with continuous contours on one face.
- the dimension of the pattern according to the face as defined by the smallest imaginary inscribed circle, may be greater than 2 mm and the pattern may have a uniform depth of 0.3 to 2 mm, preferably 0.5 to 1, 5 mm.
- This possibility of having a dimension of the pattern according to the face, therefore a radius of the pattern if it is circular or a length of the pattern if it is rectangular, greater than 2 mm makes it possible to obtain not only patterns delimited by lines. but also a pattern that is not delimited by lines, the pattern being formed by the same unevenness printed on the nonwoven and not only by lines of contours printed on the nonwoven.
- the nonwoven according to the invention can be used in particular as a cosmetic wipe, wipe or baby wipe.
- a preferred nonwoven according to the invention comprises from 10 to 100% by weight of cellulosic fibers or thermoplastic polymer filaments and preferably from a mixture of both the 100% mixture.
- FIG. 1 is a schematic elevational view of an installation for manufacturing a nonwoven pattern according to the invention
- FIG. 2 is a sectional view of the portion comprising the drum according to the invention of FIG. 1
- FIG. 3 is a diagram illustrating the invention, FIG. 3a being a side view of the drum and injector assembly, while FIG. 3b is an enlarged view of the circled portion in FIG. 3a
- FIG. 4 is an enlarged view of a portion of the lateral surface of a drum according to the invention
- Figs. 5, 6 and 7 illustrate the formation of a raised pattern and a hollow pattern, respectively.
- a system 1 for forming a web V of non-woven unbonded material which leaves the installation 1 via a conveyor 2 and passes on a conveyor 3 between the latter and a drum 4 made up according to the invention.
- a drum 4 made up according to the invention.
- injectors 5 jets of water under pressure.
- the veil V continues its course by passing on a second drum 6 according to the invention provided with injectors 7 before continuing its journey to a dryer 8 and a winder 9.
- Fig. 2 represents the part of the installation represented in
- Fig. 1 comprising essentially the drum 4.
- the drum 4 is threaded on a suction box 10, cylindrical, fixed, provided with three suction slots 11 facing the injectors 5.
- the drum 4 itself comprises zones 12 projecting and areas 13 hollow on the outer face of its side surface.
- the zones 12 projecting are at a higher level to the recessed areas 13, as considered in a radial direction of the drum.
- the drum is made of nickel. It has on one of the front edges a drive belt in rotation of the drum with the aid of a motor.
- the interior of the suction box 10 is connected to a suction pump.
- Figs. 3 the constitution of the drum.
- the drum is perforated with perforations 14 both in the hollow zone 13 and in the projecting zone 12.
- Fig. 4 shows that the angle ⁇ between the outer lateral face of the side wall of the drum and the passage wall of a high level zone 12 to a low level zone 13 is less than or equal to 96 °, being greater than 90 °.
- Figs. 5 and 6 illustrate the creation of a protruding feature on the nonwoven in FIG. 5 and 16 recessed on the nonwoven in FIG. 6.
- Fig. 7 illustrates the formation of a large-sized pattern on the nonwoven which is not delimited by lines having two substantially radial walls 17 and 18, as shown in FIGS. 5 and 6, but by a single wall 19 of contour.
- a compound web (Fig. 2) of 50% viscose fibers and 50% PET fibers of 55 g / m 2 prewashed by means of the injector 5 generating a curtain of water jets of 140 ⁇ m. diameter spaced 0.45 mm at the pressure of 15 bar and compacted between the web of the porous conveyor 2 and the microperforated marking drum 4, advance at the speed of 50 meters per minute.
- This sheet is transferred directly to the marking drum without pre-seasoning.
- the drum has circular microperforations of
- the drum marking has a microperforated surface, as explained earlier, and in relief.
- the distance between the high level and the low level of the surface of the drum is 1 mm.
- the ratio of the high level area to the low level area is 20%, so that the pattern is composed of patterns in relief on the drum, thus in the hollow, on the product after treatment with the injectors 5 and 5 'generating curtains of jet jets.
- a nonwoven is obtained having an intaglio pattern on 20% of its surface and a hairiness of 4 filiform elements per 5 mm 2 with a projection length of 0.5 mm 2 .
- a ply of 60 g / m 2 consisting of a blend of 1.75 dtex fibers of 40 mm length polypropylene / 60/40 viscose advancing at 120 m / min is prewired and compacted in a manner similar to Example 1 and transferred to a microperforated connecting drum known from the prior art. On this drum the web is connected by two injectors, then transferred to the marking drum, undergoing a treatment similar to that described in Example 1.
- the marking drum has a microperforated surface and in relief. The distance between the high level and the low level of the surface of the drum is 1, 5 mm.
- the ratio of the high level surface to the low level area is 85%, so the pattern produced is composed of recessed patterns on the drum, thus in relief on the product.
- a nonwoven is obtained having a pattern in relief on 15% of its surface having a hairiness of 3 filiform elements per 5mm 2 projecting length of 0.4mm. This pattern is composed of projecting squares of 1 cm side.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Woven Fabrics (AREA)
- Rolls And Other Rotary Bodies (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0505087A FR2885915B1 (fr) | 2005-05-20 | 2005-05-20 | Tambour pour machine de fabrication d'un non tisse a motifs et non tisse obtenu |
PCT/FR2006/001141 WO2006123063A2 (fr) | 2005-05-20 | 2006-05-19 | Tambour pour machine de fabrication d'un non tisse a motifs et non tisse obtenu. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1885927A2 true EP1885927A2 (fr) | 2008-02-13 |
EP1885927B1 EP1885927B1 (fr) | 2011-08-03 |
EP1885927B2 EP1885927B2 (fr) | 2019-05-08 |
Family
ID=35589592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06755513.6A Active EP1885927B2 (fr) | 2005-05-20 | 2006-05-19 | Tambour pour machine de fabrication d'un non tisse a motifs et non tisse obtenu. |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080193790A1 (fr) |
EP (1) | EP1885927B2 (fr) |
CN (1) | CN101198735A (fr) |
AT (1) | ATE518980T2 (fr) |
ES (1) | ES2368080T5 (fr) |
FR (1) | FR2885915B1 (fr) |
WO (1) | WO2006123063A2 (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006007834A1 (de) | 2006-02-17 | 2007-09-06 | Fleissner Gmbh | Trommelschale zur Erzeugung von Strukturen und/oder Reliefmuster auf der Oberfläche eines gewebten oder nicht gewebten Zellenmaterials oder Vlieses |
PL2490893T3 (pl) * | 2009-10-23 | 2014-05-30 | Spgprints Austria Gmbh | Sposób wytwarzania perforowanego albo częściowo perforowanego wzornika z reliefem |
CN103046229B (zh) * | 2013-01-15 | 2016-01-13 | 杭州诺邦无纺股份有限公司 | 心形婴儿洁肤无纺布成型模 |
CN103046228B (zh) * | 2013-01-15 | 2015-10-21 | 杭州诺邦无纺股份有限公司 | 心形婴儿洁肤无纺布 |
JP7073113B2 (ja) * | 2018-01-16 | 2022-05-23 | 日本フイルコン株式会社 | ウェブ支持体の製造方法並びに模様付け方法 |
KR20210101207A (ko) * | 2018-12-26 | 2021-08-18 | 주식회사 쿠라레 | 패턴 형성된 섬유 기재 |
WO2020144084A1 (fr) * | 2019-01-08 | 2020-07-16 | Andritz Perfojet Sas | Installation et procede de production de non-tisses |
CN116163075A (zh) * | 2023-01-09 | 2023-05-26 | 常州钇尚机械设备有限公司 | 一种水刺无纺布提花网制作工艺及电铸装置 |
CN116837545B (zh) * | 2023-07-11 | 2024-07-02 | 山东旭辉无纺布制品有限公司 | 一种无纺布水刺提花加工设备 |
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DE102006007834A1 (de) * | 2006-02-17 | 2007-09-06 | Fleissner Gmbh | Trommelschale zur Erzeugung von Strukturen und/oder Reliefmuster auf der Oberfläche eines gewebten oder nicht gewebten Zellenmaterials oder Vlieses |
-
2005
- 2005-05-20 FR FR0505087A patent/FR2885915B1/fr active Active
-
2006
- 2006-05-19 ES ES06755513T patent/ES2368080T5/es active Active
- 2006-05-19 CN CNA2006800170275A patent/CN101198735A/zh active Pending
- 2006-05-19 WO PCT/FR2006/001141 patent/WO2006123063A2/fr not_active Application Discontinuation
- 2006-05-19 AT AT06755513T patent/ATE518980T2/de active
- 2006-05-19 EP EP06755513.6A patent/EP1885927B2/fr active Active
- 2006-05-19 US US11/913,115 patent/US20080193790A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2006123063A2 * |
Also Published As
Publication number | Publication date |
---|---|
ES2368080T5 (es) | 2020-01-30 |
EP1885927B1 (fr) | 2011-08-03 |
ATE518980T2 (de) | 2011-08-15 |
WO2006123063A2 (fr) | 2006-11-23 |
US20080193790A1 (en) | 2008-08-14 |
FR2885915A1 (fr) | 2006-11-24 |
CN101198735A (zh) | 2008-06-11 |
FR2885915B1 (fr) | 2007-08-03 |
ES2368080T3 (es) | 2011-11-14 |
WO2006123063A3 (fr) | 2007-05-24 |
EP1885927B2 (fr) | 2019-05-08 |
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