EP1630276B1 - pad en cotton - Google Patents

pad en cotton Download PDF

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Publication number
EP1630276B1
EP1630276B1 EP05018023A EP05018023A EP1630276B1 EP 1630276 B1 EP1630276 B1 EP 1630276B1 EP 05018023 A EP05018023 A EP 05018023A EP 05018023 A EP05018023 A EP 05018023A EP 1630276 B1 EP1630276 B1 EP 1630276B1
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EP
European Patent Office
Prior art keywords
cosmetic
embossed
pad
edge
foregoing
Prior art date
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Active
Application number
EP05018023A
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German (de)
English (en)
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EP1630276A1 (fr
Inventor
Angela Römpp
Heike Stein
Rainer Dr. Mangold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Paul Hartmann AG
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Paul Hartmann AG
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Priority to PL05018023T priority Critical patent/PL1630276T3/pl
Publication of EP1630276A1 publication Critical patent/EP1630276A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06Q—DECORATING TEXTILES
    • D06Q1/00—Decorating textiles
    • D06Q1/08—Decorating textiles by fixation of mechanical effects, e.g. calendering, embossing or Chintz effects, using chemical means
    • 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
    • D04H1/40—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
    • D04H1/42—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
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • 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
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—Polyesters

Definitions

  • the invention relates to a cosmetic cotton pad having at least one nonwoven fabric layer and a first and a second side and having an embossed structure on at least one side, optionally with an additional fine groove structure formed by water jet needling on one or both surfaces.
  • Cosmetic cotton pads have a diverse range of uses. For example, cotton pads are used to cleanse the skin, which also removes the skin's own secretions, such as grease, or wipes previously applied layers, such as make-up or masks. For cleaning purposes, cotton pads are often provided with a cleaning-aiding liquid, such. As water, solvent-containing lotions or the like, wetted or soaked. Cotton pads are often used as an aid for applying cosmetic products, such. Creams, on the skin. It is also conceivable that cotton pads are applied to the skin surface and then serve as a distribution agent for cosmetic extracts that are applied to the cotton pad. Also for medical applications are cosmetic cotton pads into consideration.
  • cotton pads with continuous embossed surfaces are known, "embossed” here depressions having a depth of greater than 0.2 mm, in particular of at least 0.25 mm, in particular of at least 0.35 mm are understood, so wells that a larger Have depth than the known to the expert, produced by water jet needling fine groove structure with a depth of only 0.05 - 0.2 mm.
  • an already pre-consolidated nonwoven material can be provided with an embossing structure, in particular by means of an embossing calender, optionally also under the action of heat.
  • Embossed surfaces can also be achieved by means of water jet needling, in particular using the Produce screen drum technology, as in EP 1 320 226 A2 described.
  • Embossing methods can be used to produce arbitrary and complex surface structures, with the surface area of the cotton pad becoming increasingly hardened as the area of the embossed structures increases, so that they are less suitable for imparting a soft feel.
  • EP 1 310 226 A2 a cosmetic cotton pad, the two sides of which are provided with a fine groove structure produced by water jet needling and wherein additionally on at least one side of the fine groove structure superimposed embossed structure of webs and recesses is formed.
  • this embossed structure is applied to this flat material web before the individual pads are punched out of a flat material web, so that the individual cotton pads are then punched out of the embossed flat material web with a rather random orientation to the embossed structure.
  • the embossed structure extends beyond the edge of the cotton pad, or in other words the punched cut passes through the embossed structure or its embossed lines or points.
  • the embossed structure thus extends over the entire surface into the edge.
  • Such edge embossing leads to a perceived as hard or with hard spots, sometimes even with sharp edges perceived edge of the cotton pad, which is to be regarded as disadvantageous.
  • EP 0 405 043 B1 discloses cotton pads having an embossed pattern, in particular in the form of a waffle pattern, which extends over the edges, and also teaches the edge portions of the outer material layers together by embossing or by using suitable punching knives, with the aim that the product is sealed all around. Again, there is a sometimes sharp-edged edge course.
  • a cotton pad has at its periphery a circumferentially continuous compression region, but which should be provided at a radial distance from the peripheral edge of the cotton pad.
  • a plurality of layers of material of the cotton pad are to be connected to each other, wherein fibers which extend from this compression region outwards to the edge and have a corresponding length, not rigid but rather are easily bendable.
  • the cotton pad should therefore be provided with a circumferentially circumferential edge embossment, which does not directly form the edge, but runs slightly radially within the edge.
  • a cotton pad available on the market under the brand name "Doulys” Coton Duo comprises a waffle-pattern-like embossed structure which in turn extends over an entire side as far as the edge of the cotton pad, which leads to the inadequacies mentioned above.
  • the present invention has for its object to improve a cotton pad of the type mentioned in that on the one hand conveys a soft feeling, even in the edge region, and on the other hand, by using an embossed structure such a Padverfest Trent can be achieved in the Use of the cotton pad by the user proves to be sufficient.
  • the cotton pads according to the invention preferably have a circular shape, preferably also oval shapes, as well as square or rectangular shapes are conceivable.
  • the circular cotton pads have a diameter of 5-7 cm.
  • Oval pads cover an area of preferably (60-80 mm) x (80-100 mm).
  • Square pads preferably have a side length between 60-80 mm, in particular 75 mm.
  • Rectangular pads have an area with dimensions preferably (70-100 mm) ⁇ (90 mm-120 mm), in particular (85 mm-95 mm) ⁇ (105 mm -115 mm).
  • the basis weights of the cotton pads are advantageously between 70 and 350 g / m 2 , in particular between 100 and 300 g / m 2 , very particularly between 150 and 250 g / m 2 .
  • cotton pads are generally understood to mean absorbent pad-shaped nonwoven articles whose fiber content is formed from cotton fibers. It should be expressly understood that a pad-shaped nonwoven fabric article whose fiber content is formed of other cellulosic fibers, or except cellulosic fibers additions of synthetic fibers such as thermoplastic fibers such as polyester, polyamide, polyacrylic, polyolefins, polyurethane, as a multi-component fibers , in particular as bicomponent fiber, and preferably as microfibers with a fiber thickness of ⁇ 1 dtex, in particular micro staple fibers of a length of at least 7 mm, comprises, is referred to as cotton pad in the sense of the above invention and also in the sense of traffic habits.
  • synthetic fibers such as thermoplastic fibers such as polyester, polyamide, polyacrylic, polyolefins, polyurethane
  • a multi-component fibers in particular as bicomponent fiber
  • microfibers with a fiber thickness of ⁇ 1 dtex in particular micro staple
  • the cotton pads according to the invention with additions of synthetic fibers comprise in particular up to 95% by weight, in particular up to 72% by weight, more particularly 15-65% by weight, and more particularly 50-65% by weight of cotton fibers.
  • Cotton pads with heat-meltable binding fibers, in particular multicomponent fibers, in particular bicomponent fibers have a weight percent binder fiber content of preferably 10-20% by weight, in particular 12-18% by weight, very particularly 12-15% by weight.
  • Cotton pads with microfibers in particular micro-staple fibers, have, in particular, 40-90% by weight, in particular 15-85% by weight, more particularly 15-65% by weight and more particularly 20-30% by weight of microfibers in the fiber-fleece layer.
  • a particularly advantageous composition may comprise 55-70 wt% cotton seedlings, 20-30 wt% PES micro staple fibers, and 10-16 wt% CO-PES / PES bicomponent fibers.
  • Another exemplary advantageous composition comprises 80-90% by weight cotton and 10-20% by weight thermoplastic bicomponent fibers.
  • a pad-shaped nonwoven article which is formed predominantly of synthetic fibers.
  • hydrophilicizing agents would have to be employed to a very considerable degree in order to arrive at an absorbent, absorbent article, which is why cellulose fibers, and preferably cotton fibers, used in the manufacture of cotton wool pads are commonly used natural hydrophilic fibers are used.
  • Cotton pads with a high, preferably 100% cotton fiber content are preferred for soft feel and good fluid absorption performance.
  • the embossed structure does not overhang the entire surface of the considered side of the cotton pad and does not extend to the peripheral edge or in a peripheral edge portion, but that the embossing structure fully, so in the circumferential direction continuously from an unembossed region of the above dimension (radially outside) is surrounded.
  • the embossed structure provided on the relevant side is thus at least partially removed further than 5 mm from the edge of the cotton pad. It comes the edge so at least partially not closer than 5 mm.
  • the cotton pad according to the invention is characterized on the one hand by a very soft edge, since no embossing lines or embossed structures extend into the edge and are detected there by a die cut separating the cotton pad. On the other hand, sufficient cohesion and adequate strength of the cotton pad are achieved by the embossing structure provided on one side of the cotton pad and completely surrounded by unembossed regions.
  • the radial extent of the unembossed region at least in sections, amounts to at least 5 mm, it should be stated that this unembossed region does not extend over the entire circumference of the cotton pad 360 °, this radial Depth or extent of at least 5 mm must have. It proves to be advantageous if the unembossed region over a portion of at least 180 ° in the circumferential direction, in particular of at least 270 °, in particular of at least 280 °, in particular of at least 290 °, in particular of at least 300 °, in particular of at least 310 ° has the radial extent from the edge inwards of at least 5 mm.
  • the respective mentioned section can also be composed of individual circumferentially alternating sections.
  • the radial extent of the non-embossed area, starting from the edge to radially inward over the entire circumferential direction is at least 3 mm, in particular at least 4 mm and more particularly at least 5 mm.
  • the radial extent, starting from the edge is at least sectionally at least 8 mm, advantageously the unembossed region over a section of at least 180 ° in the circumferential direction, in particular of at least 190 °, in particular of at least 200 °, a radial extension from the edge inwardly of at least 8 mm.
  • the radial extent of the unembossed region is at least 10 mm, the unembossed region preferably over a section of at least 120 ° in the circumferential direction, in particular of at least 150 °, in particular of at least 160 ° has a radial extent from the edge to the inside of at least 10 mm.
  • the embossing structure comprises an area of embossing lines or embossing points of only 1% to 8%, in particular 2% to 6% and more particularly 2.5% to 4.5% of the surface of a relevant side of the cotton pads.
  • the unembossed region which surrounds the embossed structure in the circumferential direction comprises an area fraction of at least 30%, in particular of at least 35%, in particular of at least 40%, in particular of at least 45% and more particularly of at least 48 %, in particular of at least 50% and more particularly of 50% to 65% of the surface of the page in question.
  • the embossed structure can be designed to be arbitrary in itself; it can be dotted, dashed or formed as continuous embossing lines. It may be formed following at least one closed structure, such as the circumference of a star structure or a floral structure, or it may have a circumferentially discontinuous portion. In this case, the embossed structure can impart visually or tactually perceptible information, in particular a decorative element, in particular a lettering.
  • In a hole-shaped or punctiform in particular circular embossing dimensions of 0.24 mm - 0.7 mm have proven to be advantageous.
  • the embossed structure may be in the form of a depression with a depth of greater than 0.2 mm, in particular of at least 0.25 mm, more particularly of at least 0.35 mm in one side of the pad, or it may be embossed, so that a Opening is formed in the cotton pad.
  • the embossed structure can be composed of embossing elements of different depths. In particular, both recesses and indentations can be provided.
  • the claimed use of the cotton pad nevertheless provides sufficient internal strength for the performance properties of at least 0.20 N / 25.5 cm 2 , in particular of at least 0.30 N / 25.5 cm 2 , in particular of at least 0.35 N / 25.5 cm 2 , in particular of at least 0.40 N / 25.5 cm 2 and in particular to 1.5 N / 25.5 cm 2 and more particularly to 1.0 N / 25.5 cm 2 can be achieved.
  • the maximum tensile force only at above 20% elongation, especially at above 25% elongation and more particularly between 30% and 50% elongation of the material
  • Cotton pads based on a clamping length of 15 mm, the FIG. 8 can be seen occurs. This proves to be advantageous in a demanding use of the cotton pad because it is perceived as comfortable and comfortable in use.
  • the maximum tensile force is already achieved below 20% elongation, especially at about 15% elongation. This gives the user the sensation of a low yielding product.
  • the tensile strength of a cotton pad according to the invention in the dry state is in the longitudinal direction and preferably also in the transverse direction of 5 to 10 N / 25 mm, which was assumed to determine the tear strength of punched out of the cotton pad specimens a dimension of 25 mm x 30 mm.
  • the above-mentioned advantageous values relate to a cotton pad 100% of cotton fibers having a thickness of 2.3 to 2.7 mm (determined at a test pressure of 0.5 kPa).
  • the mass of such a cotton pad is approximately 5.7 cm Diameter is about 0.5 to 0.6 g.
  • a tensile testing machine to DIN 51221, class 1 and two auxiliary sheets and double-sided adhesive tape can be used.
  • a planar circular disk-shaped sample of 57 mm diameter is glued by means of the double-sided adhesive tape between an upper and a lower auxiliary sheet, protrudes perpendicularly a clampable holding web (T-shape). If only smaller pads are available or can be tested, it is also possible to work with a circular disk-shaped sample of 28.5 mm diameter, which should then be indicated in the results. In this case, the result is to be normalized to a test area of 25.5 cm 2 .
  • the two auxiliary sheets are clamped in the tensile testing machine and then moved apart at a speed of 100 mm / min; meanwhile the tensile force is measured. It is then determined the maximum traction.
  • the maximum tensile force is meant the maximum force at which the cohesion of the cotton pad is destroyed. If previously higher force peaks are measured in the course of stretching, these represent the maximum tensile force in the sense of this test.
  • FIGS. 8 a) and b) show schematically the experimental setup. It can be seen the circular disk-shaped specimen in the form of a cotton pad 40, and adjacent thereto each of the double-sided adhesive tape 42 and the auxiliary sheets 44, which are clamped with their protruding web 46 in clamping receptacles 48 of the tensile testing machine. Also, the clamping length of 15 mm can be seen.
  • the double-sided adhesive tape is an adhesive tape from 3M (Tape 410) with natural rubber as an adhesive coating and a preferably defined one Adhesive force of 19.3 +/- 2.2 N / 25 mm according to the German Pharmacopoeia of 1996 (there described Abziehmethode).
  • a section of the above-mentioned double adhesive tape corresponding to the size of the cotton pad is adhesively bonded at the top and bottom of the cotton fleece layer of the cotton pads to be tested.
  • the composite thus obtained is arranged (after removal of the outer cover layers of the adhesive tape) between the two auxiliary sheets and positioned centrically.
  • the auxiliary sheets are weighted by means of a weight of 1 kg for 1 min, so that the composite of cotton pad and double-sided adhesive tape and auxiliary sheets is intimately connected.
  • This composite is then clamped in the tensile testing machine according to DIN 51221, and at the mentioned speed of 100 mm / min, the clamps are pulled apart, thereby determining the tensile force. From at least five individual measurements, the mean value is formed and given in N.
  • the adhesive strength of the double-sided adhesive tape is specified or standardized according to the abovementioned stripping method of the German Pharmacopoeia 1996.
  • the force required to peel tapes (e.g., patches) from a flat surface at an angle of 180 ° at a constant speed is measured.
  • a tensile testing machine according to DIN 51221 class 1 is used for this purpose.
  • the test is carried out at 23 ° C and 50% relative humidity. Prior to this, the samples must be stored for 24 hours under these standard conditions.
  • the steel plates are pre-wetted with a cotton wool soaked in toluene cleaned, they are then placed in a suitable container with the vapors of boiling toluene in contact, but they do not touch the liquid directly. The resulting vapors sweep along the plate surfaces for 5 minutes. Thereafter, the plates are allowed to cool for 30 minutes in standard atmosphere.
  • strips of 400 mm length and given width of the roll of 12.5 or 25 mm are cut and applied to the cleaned metal plates so as to avoid trapped air.
  • a "tape applicator” the tape strip is rolled under a pressure of 20 N / cm sample width (the back cover paper of the adhesive tape has not yet been removed). After 10 minutes waiting time then the measurement takes place.
  • the upper free end of the sample strip is knocked back and withdrawn about 25 mm from the top of the steel plate.
  • This end of the steel plate is clamped in the upper clamp of the tensile testing machine and the struck end of the sample strip is clamped in the lower clamp of the tensile tester.
  • the take-off angle is therefore 180 °, whereby care must be taken that the sample backs are parallel to each other, but not rub against each other.
  • the tensile testing machine is set to a take-off speed of 300 +/- 30 mm / min.
  • This procedure is applicable if the diagram has more than 20 clearly detectable force peaks.
  • evaluation procedure B should be used.
  • the result shall be expressed as the mean of at least five tests in N / 25 mm rounded to one decimal place.
  • the evaluation can also be done with a suitable PC program.
  • the peak values of the middle 80% of the diagram area starting with the first force peak and ending with the demolition are used to determine the bond strength.
  • the above description of the adhesive strength serves to provide standardized reproducible conditions for the adhesive tape to be used in the above-described inner strength test.
  • the aforementioned tear strength can be determined using a standardized tensile testing machine according to DIN 51221 according to the following test method: It is cut out of cotton pads to be tested, preferably from a middle region of the cotton pads samples a clamping width of 25 mm and a clamping length of 30 mm, preferably stamped out. These samples are clamped vertically in clamping receptacles of the mentioned tensile testing machine. To perform the measurement, the clamp receivers are then moved apart at a test speed of 100 mm / min in opposite directions, but in the plane direction of the clamped sample, constantly measuring the tensile force exerted by the clamps on the sample and acting in the plane direction.
  • the maximum tensile force is meant the maximum force at which the cotton pad ruptures. If previously measured higher force peaks in the course of elongation, so these represent the maximum tensile force in the sense of this test. It can advantageously in measurements of the longitudinal and transverse direction, which usually corresponds to the machine direction or the direction transverse thereto, several, in particular five, individual measurements and calculate their mean.
  • the amount of makeup remaining on the goatskin can be determined either visually or by means of a colorimeter. It can be seen that cotton pads with a very large proportion of recesses produced by embossing have a worse cleaning effect. If you look at the cotton pad afterwards, the punctiform or linear depressions formed by embossing appear distinctly brighter because - contrary to widespread opinion - no make-up has accumulated in them.
  • the thickness of cotton pads has been determined using a specific test pressure of 0.5 kPa. The thickness is determined in the dry state from measurements of 10 batch pads of cotton wool as an average.
  • the cotton pad on one or both sides of a continuous, that is also a extending into the edge formed by water jet needling fine groove structure of 0.05 - have 0.2 mm depth.
  • FIGS. 1 to 5 and 9 to 11 show various embodiments of a cotton pad according to the invention 2.
  • the cotton pads Preferably, the cotton pads have a diameter of 5-7 cm. Also oval shapes are conceivable, as well as square or rectangular shapes.
  • the cotton pads may consist of 100% cotton fibers or additives of thermoplastic fibers, especially multi-component fibers and / or Include microfibers.
  • the basis weights of the cotton pads are advantageously between 70 and 350 g / m 2 , in particular between 100 and 300 g / m 2 , very particularly between 150 and 250 g / m 2 .
  • a respective cotton pad 2 has a first side 4 and a second side 6 facing away from the first. Not shown is a very fine only the surface detecting groove structure, which is made by a water jet needling. On the first side 4 an embossed structure 8 is additionally formed. A respective embossing structure 8 is surrounded in its entirety by a non-embossed region 10, which is therefore closed continuously in the circumferential direction. Thus, the embossing structure 8 extends at no point to the edge 12, that is, to the outer boundary of the cotton pad 2, but stops at each point a distance from the edge 12 to be described in more detail. In this way, the edge 12 or an adjoining edge region 14 is free of any embossing. This makes the edge 12 or the adjoining edge region 14 very soft, which has already been explained in detail at the beginning.
  • the embossing structure 8 comprises in all figures an outer circumferential contour which is formed by a plurality of successively provided embossing points 16.
  • the embossing points have an embossing depth of at least 0.25 mm.
  • stamping lines 18 are formed with a depth of the embossing of at least 0.25 mm, which follow part of the circumferential contour, are partially extended approximately in the radial direction. In the present case they form a motif.
  • the bridge width of the embossed lines 18 is 0.24 mm.
  • the diameter of the embossing points 16 is 0.24 mm.
  • a first virtual circular line 20 is drawn at a distance of 5 mm from the edge 12 and a second virtual circular line 22 at a distance of 8 mm.
  • virtual radial lines 24 have been drawn outwardly from the center of the cotton pad, through respective intersections of the embossment pattern with the first and second lines 20 and 22.
  • an embossing element such as embossing point 16 or embossing line 18, and Given the virtual circular line, so a shortest connection of the nearest embossing elements is considered and then determines the intersection of this virtual connection line with the virtual circular line.
  • the entire circumferential angle can be determined, within which the radial extent of the non-embossed region 10 from the edge 12 to the inside at least 5 mm or at least 8 mm.
  • the non-embossed region 10 with a radial extension of at least 5 mm from the edge 12 overhangs about 310 ° and the one with an extension of at least 8 mm surrounds about 228 °.
  • a virtual circular line 26 is shown at a distance of 10 mm from the edge 12 of the cotton pad along with virtual radial lines 28.
  • the total circumferential angle of that unembossed region 10 which has a radial extension from the edge of at least 10 mm is about 156 °.
  • FIG. 13 it is an oval or rectangular cotton pad, each with an embossed structure. 8
  • FIG. 12 illustrates for an oval cotton pad the determination of the size of the angle of the circle segments, within which the radial extent of the non-embossed region 10 from the edge 12 to the inside is at least 5 mm or at least 10 mm.
  • the center of symmetry 30 becomes of the cotton pad used as a reference point, so that the information in the form of degrees (°) are made for the definition of the sections also in these cotton pads in accordance with this application.
  • non-embossed region 10 with a radial extent of at least 5 mm in full and that non-embossed region 10 with an extent of at least 10 mm embraces about 293 °.
  • FIG. 13 illustrates in a rectangular cotton pad the determination of the size of the angle of the circle segments, within which the radial extent of the non-embossed region 10 from the edge 12 to the inside is at least 5 mm or at least 10 mm.
  • the total circumferential angle within which the radial extent of the unembossed region 10 from the edge 12 to the inside at least can be determined 5 mm or at least 10 mm.
  • the non-embossed region 10 with an extension of at least 10 mm encloses this approximately 314 °.
  • the embossing structure is composed of embossing points (16) and embossing lines (18), wherein the embossing points (16) are designed in their embodiment as embossing.
  • the Tables below show machine direction and crosshead measured pad weight, pad thickness, and pad strength (tear strength) as determined by the tensile strength test described above, and internal strength measurements made using a device according to U.S. Pat FIG. 8 and were determined according to the internal strength measurement method described above. Measurements of pad weight, pad thickness and pad strength were taken in 10 measurements, the internal strength measurements expressed in terms of Fmax and elongation at Fmax, respectively, in 20 measurements. The results are also shown as the mean value ( x ⁇ ) together with the standard deviation (s). It was made of 100% cotton fibers existing cotton pads Figures 1 and 2 (5-leaved) and after FIGS. 3 to 5 (7-leaves) and after the FIG.
  • FIG. 10 shows the embossed structure with embossing points (16) and stamping lines (18) has a circumferentially open portion (29).
  • the embossed structure consists of 3 closed structures, each in the form of a flower structure.
  • the individual structures include embossing points (16) and stamping lines (18).
  • inspection units Test results 5-leaf cotton pads 100% BW small round Test results 7-leaf cotton pads 100% BW small round Test results 6-ply punched cotton pads 100% BW small round Test results Flawa cotton pads 100% BW small round Padong G 0.56 0.59 0.60 0.52 0.59 0.58 0.58 0.53 0.53 0.54 0.62 0.52 0.61 0.59 0.59 0.56 0.58 0.56 0.51 0.53 0.55 0.55 0.62 0.52 0.54 0.61 0.63 0.52 0.54 0.60 0.60 0.52 0.60 0.56 0.64 0.51 0.53 0.56 0.61 0.55 x 0.56; s 0.03 x 0.57; s 0.02 x 0.60; s 0.04 x 0.53; s 0.02 Paddicke mm 2.25 2.61 2.81 3.29 2.46 2.49 2.97 3.09 2.25 2.35 2.62 2.95 2.56 2.49 2.49 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Woven Fabrics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Claims (17)

  1. Tampon d'ouate à usage cosmétique (2) comprenant au moins une couche de non-tissé et un premier et un deuxième côtés (4, 6) et comprenant une structure gaufrée (8) sur au moins un des côtés (4, 6), comprenant le cas échéant sur une ou sur les deux faces une structure striée formée par aiguilletage par jet d'eau, caractérisé en ce que la structure gaufrée (8) est entourée sur tout le pourtour d'une zone non gaufrée (10) et en ce que l'étendue radiale de cette zone non gaufrée (10), depuis le bord (12) radialement vers l'intérieur est au moins par endroits d'au moins 5 mm et en ce que la zone non gaufrée (10) comprend une part de surface d'au moins 30 % de la surface du côté concerné (4, 6).
  2. Tampon d'ouate à usage cosmétique selon la revendication 1, caractérisé en ce que la zone non gaufrée (10), sur un segment d'au moins 180 ° dans le sens circonférentiel, en particulier d'au moins 270 °, en particulier d'au moins 280 °, en particulier d'au moins 290 °, en particulier d'au moins 300 °, en particulier d'au moins 310 °, présente une étendue radiale depuis le bord vers l'intérieur d'au moins 5 mm.
  3. Tampon d'ouate à usage cosmétique selon la revendication 1 ou 2, caractérisé en ce que l'étendue radiale de la zone non gaufrée (10) depuis le bord (12) vers l'intérieur est, sur tout le sens circonférentiel, d'au moins 3 mm, en particulier d'au moins 4 mm, plus particulièrement d'au moins 5 mm.
  4. Tampon d'ouate à usage cosmétique selon la revendication 1, 2 ou 3, caractérisé en ce que l'étendue radiale de la zone non gaufrée (10) depuis le bord (12) vers l'intérieur est au moins par endroits d'au moins 8 mm.
  5. Tampon d'ouate à usage cosmétique selon la revendication 4, caractérisé en ce que la zone non gaufrée (10), sur un segment d'au moins 180 ° dans le sens circonférentiel, en particulier d'au moins 190 °, en particulier d'au moins 200 °, présente une étendue radiale du bord vers l'intérieur d'au moins 8 mm.
  6. Tampon d'ouate selon une ou plusieurs des revendications précédentes, caractérisé en ce que l'étendue radiale de la zone non gaufrée (10) depuis le bord (12) vers l'intérieur est, au moins par endroits, d'au moins 10 mm.
  7. Tampon d'ouate selon la revendication 6, caractérisé en ce que la zone non gaufrée (10), sur un segment d'au moins 120 ° dans le sens circonférentiel, en particulier d'au moins 150 °, en particulier d'au moins 160 °, présente une étendue radiale depuis le bord (12) vers l'intérieur d'au moins 10 mm.
  8. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la structure gaufrée (8) comprend une surface de lignes gaufrées (18) ou de points gaufrés (16) allant de 1 à 8 %, en particulier de 2 à 6 %, plus particulièrement de 2,5 à 4,5 % de la surface du côté concerné (4, 6).
  9. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la zone non gaufrée (10) qui entoure la structure gaufrée (8) présente une part de surface d'au moins 35 %, en particulier d'au moins 40 %, en particulier d'au moins 45 %, en particulier d'au moins 48 %, en particulier d'au moins 50 % et plus particulièrement de 50 % à 65 % de la surface du côté concerné (4, 6).
  10. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la structure gaufrée (8) présente une largeur de points gaufrés (18, 16) dans le plan du tampon allant de 0,2 à 0,7 mm.
  11. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la structure gaufrée (8) donne une information visuelle ou tactile, en particulier représente un élément de décoration, plus particulièrement un logo.
  12. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il présente une résistance intérieure d'au moins 0,20 N/25,5 cm2, en particulier d'au moins 0,30 N/25,5 cm2, en particulier d'au moins 0,35 N/25,5 cm2, en particulier d'au moins 0,40 N/25,5 cm2, en particulier jusqu'à 1,5 N/25,5 cm2 et plus particulièrement jusqu'à 1,0 N/25,5 cm2.
  13. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce que la force d'allongement maximale (pic de force) lors de la détermination de la résistance intérieure se présente au-delà de 20 % d'allongement, en particulier au-delà de 25 % d'allongement, en particulier entre 30 et 50 % d'allongement.
  14. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il présente une résistance à la déchirure à l'état sec dans le sens longitudinal et transversal allant de 5 à 10 N/25 mm.
  15. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il présente un poids par unité de surface allant de 70 à 350 g/m2, en particulier de 100 à 300 g/m2, plus particulièrement de 150 à 250 g/m2
  16. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est composé à 100 % de fibres de coton.
  17. Tampon d'ouate à usage cosmétique selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il comprend, en plus des fibres cellulosiques, des ajouts de fibres thermoplastiques fusibles, en particulier des fibres à plusieurs composants.
EP05018023A 2004-08-30 2005-08-19 pad en cotton Active EP1630276B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05018023T PL1630276T3 (pl) 2004-08-30 2005-08-19 Płatek z waty

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004042896A DE102004042896A1 (de) 2004-08-30 2004-08-30 Wattepad

Publications (2)

Publication Number Publication Date
EP1630276A1 EP1630276A1 (fr) 2006-03-01
EP1630276B1 true EP1630276B1 (fr) 2011-04-06

Family

ID=35276085

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EP05018023A Active EP1630276B1 (fr) 2004-08-30 2005-08-19 pad en cotton

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EP (1) EP1630276B1 (fr)
AT (1) ATE504681T1 (fr)
DE (2) DE102004042896A1 (fr)
ES (1) ES2361266T3 (fr)
PL (1) PL1630276T3 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005022577A1 (de) * 2005-05-09 2006-11-16 Paul Hartmann Ag Mehrfach auf sich selbst gefaltetes Watteband

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8509785U1 (de) * 1985-04-01 1985-05-15 Karcher, Ingeborg, 7500 Karlsruhe Reinigungstuch
DE3528584A1 (de) * 1985-08-06 1987-02-19 Schering Ag Neue 1-alkyl-ergolin-thioharnstoffderivate
DE3736276C1 (de) * 1987-10-27 1989-05-18 Pelz & Co Kg W Verfahren zur Herstellung von Wattetupfern und Anlage zur Herstellung eines solchen Wattetupfers nach diesem Verfahren
DE8717438U1 (de) * 1987-10-27 1988-12-01 W. Pelz Gmbh & Co, 2362 Wahlstedt Wattetupfer aus einem saugfähigen Material
DE58907716D1 (de) 1989-02-22 1994-06-30 Flawa Schweiz Verband Wattefab Scheibe zum Auftragen u./oder Aufsaugen von flüssigen oder halbfesten Substanzen.
GB9524450D0 (en) * 1995-11-30 1996-01-31 Kaysersberg Sa Sheet of absorbent paper which includes watermarked patterns,manufacturing process and manufacturing device
DE29924071U1 (de) * 1999-12-07 2001-10-31 Georgia Pacific France Courbev Bausch aus hydrophiler Baumwolle für die Pflege der Haut mit zwei verschiedenen Außenseiten
DE1106723T1 (de) 1999-12-07 2001-10-25 Fort James France Kunheim Hautreinigungsscheibe aus Baumwolle mit zwei verschiedenen Oberflächen
DE20118212U1 (de) * 2001-11-08 2002-02-28 Pelz & Co Kg W Wattescheibe
DE50205422D1 (de) * 2001-11-08 2006-02-02 Pelz Gmbh & Co Kg W Kosmetisches Wattepad
DE20201966U1 (de) * 2002-02-08 2002-05-08 Pelz & Co Kg W Wattescheibe insbesondere für kosmetische Zwecke
JP3844686B2 (ja) 2001-12-13 2006-11-15 株式会社エヌ・ティ・ティ・ドコモ ルータ装置、端末装置、通信システム及びルーティング方法
DE10207721A1 (de) * 2002-02-20 2003-08-28 Hartmann Paul Ag Scheiben-bzw. pad-förmiger Faserverbundartikel
DE50302235D1 (de) 2002-04-26 2006-04-06 Flawa Ag Flawil Scheibe, verfahren zur herstellung derselben sowie einrichtung zur durchführung dieses verfahrens

Also Published As

Publication number Publication date
DE502005011208D1 (de) 2011-05-19
ATE504681T1 (de) 2011-04-15
DE102004042896A1 (de) 2006-03-02
EP1630276A1 (fr) 2006-03-01
ES2361266T3 (es) 2011-06-15
PL1630276T3 (pl) 2011-09-30

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