EP4092140A1 - Verfahren zum dekorieren eines exotischen leders - Google Patents
Verfahren zum dekorieren eines exotischen leders Download PDFInfo
- Publication number
- EP4092140A1 EP4092140A1 EP22173467.6A EP22173467A EP4092140A1 EP 4092140 A1 EP4092140 A1 EP 4092140A1 EP 22173467 A EP22173467 A EP 22173467A EP 4092140 A1 EP4092140 A1 EP 4092140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leather
- exotic
- decorating
- exotic leather
- semi
- 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.)
- Pending
Links
- 239000010985 leather Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003086 colorant Substances 0.000 claims abstract description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000011651 chromium Substances 0.000 claims abstract description 7
- 238000005034 decoration Methods 0.000 claims description 15
- 239000000834 fixative Substances 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 241000270722 Crocodylidae Species 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 108091005944 Cerulean Proteins 0.000 description 1
- 241000270322 Lepidosauria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241001482175 Pythonidae Species 0.000 description 1
- 241000271567 Struthioniformes Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000011090 industrial biotechnology method and process Methods 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/44—Mechanical treatment of leather surfaces
- C14B1/56—Ornamenting, producing designs, embossing
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B19/00—Hand tools specially adapted for the treatment of hides, skins, or leather in the manufacture of leather and furs
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
Definitions
- the present invention relates to a method for decorating an exotic leather and an exotic leather decorated according to the proposed method.
- the sector of reference is the tanning industry, specifically the production of artworks on exotic leathers or objects made from exotic leathers.
- Exotic leathers here means leathers from exotic animals, such as alligators, crocodiles, caimans, lizards, ostriches, pythons and the like.
- Document ITRN20000038 A1 shows a process for indelibly decorating natural tanned leather and equivalent synthetic leather, which comprises a step of positioning a perforation element in a predetermined point of a leather; a step of only partially perforating the thickness of the leather by means of the perforation element; repeating in sequence the positioning and perforating steps, with the production of holes in a predetermined number and position according to a defined design, until forming overall at least part of a precise, planned decoration.
- Document WO2020/173532 A2 describes a method of manufacturing footwear that comprises the following steps: - providing a leather base layer - providing a leather attachment layer, - fixing the leather base layer and the leather attachment layer with an intermediate application of adhesive between them, - activating the applied adhesive - forcing the leather base layer and the leather attachment layer against each other under pressure with the adhesive between them - curing the adhesive and thereby bonding the leather base layer and the leather attachment layer to each other, and - integrating the bonded leather base layer and the leather attachment layer as part of the footwear.
- Document ITRM20080107 A1 proposes a method for producing a decoration on tanned leather or the like, comprising the steps of: (a) providing a portion of tanned leather or the like, said portion of leather having an aesthetic surface, said aesthetic surface having already been subjected to a polishing operation; and (b) making a plurality of perforations on said aesthetic surface and injecting a coloured substance into each of said perforations.
- Exotic leathers are characterised by irregular surfaces (for example, scaly surfaces are present in the case of crocodile leathers), which impede the application of pigments as described in the above-cited patent.
- the application of a solvent on an exotic leather would not only not help the subsequent decorating step, but would also result in aesthetic damage to the exotic leather, which would cause its rejection.
- the technical task at the basis of the present invention is to propose a method for decorating an exotic leather and a decorated exotic leather that overcome the above-mentioned drawbacks of the prior art.
- the object of the present invention is to propose a method for decorating an exotic leather that assures an optimal and faithful decoration also in the case of irregular leather surfaces.
- Another object of the present invention is to provide a method for decorating an exotic leather that allows an optimal absorption of colour by the exotic leather.
- a further object of the present invention is to propose a method for decorating an exotic leather that allows a regular between-scale and inter-scale absorption and the production of a faithful decoration.
- the number 1 indicates an exotic leather.
- the exotic leather 1 referred to is a product in its own right.
- the decoration may take place on an exotic leather of an object.
- the method comprises a step of preparing an exotic leather 1 in a semi-finished state.
- the exotic leather 1 is of the unfinished tanned type.
- this type of semi-finished product is known by the name of "crust" leather.
- This semi-finished state refers to a leather that has been tanned and dried, but not coloured.
- the step of preparing an exotic leather 1 in a semi-finished state comprises a step of tanning the exotic leather 1 with chromium. This step is carried out in such a way that the exotic leather 1 in a semi-finished state contains a percentage of chromium comprised in the range of 6%-10%.
- the method comprises a step of decorating the exotic leather 1 in a semi-finished state by tattooing with water-based acrylic colours.
- the colours are then blended together to obtain different shades and tones.
- the method preferably comprises a step of mixing the water-based acrylic colours with resin in percentages ranging from 3% to 70%. The percentage will depend on the degree of brightness desired for the final product.
- the step of decorating the exotic leather 1 preferably takes place by means of an apparatus for tattooing on human skin of a known type. In this manner it will be possible to speed up the tattooing operations compared to painting by hand. Furthermore, the use of machinery already known for the tattooing technique enables the method to be easily exploited.
- the method preferably comprises a step of applying a water-based fixative. This operation takes place during or after the step of decorating the exotic leather 1. The operation preferably takes place after the decoration of the leather so as to allow time for the colours to dry.
- the water-based fixative serves to protect the decoration from aging and/or from any atmospheric agents which would impair the work.
- the exotic leather 1 is not subjected to dyeing before being decorated. Similarly, the exotic leather 1 is not treated with a solvent.
- the present invention also relates to an exotic leather comprising one or more decorations obtained according to the method proposed above.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT102021000012848A IT202100012848A1 (it) | 2021-05-18 | 2021-05-18 | Metodo per la decorazione di una pelle esotica |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4092140A1 true EP4092140A1 (de) | 2022-11-23 |
Family
ID=77127009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22173467.6A Pending EP4092140A1 (de) | 2021-05-18 | 2022-05-16 | Verfahren zum dekorieren eines exotischen leders |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4092140A1 (de) |
IT (1) | IT202100012848A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRN20000038A1 (it) | 2000-09-27 | 2002-03-27 | Givuesse S R L | Procedimento e apparecchiatura per decorare indelebilmente pelle conciata naturale e pelle sintetica equivalente; pelle decorata cosi ottenu |
EP1570092A2 (de) | 2002-12-13 | 2005-09-07 | Berluti | Verfahren zur herstellung einer dekorationauf leder |
ITRM20080107A1 (it) | 2008-02-28 | 2009-08-29 | Filippo Piccolo | Metodo di realizzazione di una decorazione su pelle conciata o simile e porzione di pelle con una decorazione realizzata secondo tale metodo. |
EP3415193A1 (de) * | 2017-06-12 | 2018-12-19 | MT Derm GmbH | Nadelführungsvorrichtung für eine hautstecheinrichtung und hautstecheinrichtung |
WO2020173532A2 (en) | 2019-02-26 | 2020-09-03 | Ecco Sko A/S | Method of manufacturing a footwear |
-
2021
- 2021-05-18 IT IT102021000012848A patent/IT202100012848A1/it unknown
-
2022
- 2022-05-16 EP EP22173467.6A patent/EP4092140A1/de active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITRN20000038A1 (it) | 2000-09-27 | 2002-03-27 | Givuesse S R L | Procedimento e apparecchiatura per decorare indelebilmente pelle conciata naturale e pelle sintetica equivalente; pelle decorata cosi ottenu |
EP1570092A2 (de) | 2002-12-13 | 2005-09-07 | Berluti | Verfahren zur herstellung einer dekorationauf leder |
ITRM20080107A1 (it) | 2008-02-28 | 2009-08-29 | Filippo Piccolo | Metodo di realizzazione di una decorazione su pelle conciata o simile e porzione di pelle con una decorazione realizzata secondo tale metodo. |
EP3415193A1 (de) * | 2017-06-12 | 2018-12-19 | MT Derm GmbH | Nadelführungsvorrichtung für eine hautstecheinrichtung und hautstecheinrichtung |
WO2020173532A2 (en) | 2019-02-26 | 2020-09-03 | Ecco Sko A/S | Method of manufacturing a footwear |
Also Published As
Publication number | Publication date |
---|---|
IT202100012848A1 (it) | 2022-11-18 |
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