WO2005077674A2 - Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this - Google Patents

Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this Download PDF

Info

Publication number
WO2005077674A2
WO2005077674A2 PCT/NL2005/000116 NL2005000116W WO2005077674A2 WO 2005077674 A2 WO2005077674 A2 WO 2005077674A2 NL 2005000116 W NL2005000116 W NL 2005000116W WO 2005077674 A2 WO2005077674 A2 WO 2005077674A2
Authority
WO
WIPO (PCT)
Prior art keywords
image
coin
token
regions
ribs
Prior art date
Application number
PCT/NL2005/000116
Other languages
French (fr)
Other versions
WO2005077674A3 (en
Inventor
Gerrit Bargeman
Original Assignee
Koninklijke Nederlandse Munt N.V.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Nederlandse Munt N.V. filed Critical Koninklijke Nederlandse Munt N.V.
Priority to ES05722001T priority Critical patent/ES2428141T3/en
Priority to PL05722001T priority patent/PL1718182T3/en
Priority to EP05722001.4A priority patent/EP1718182B1/en
Publication of WO2005077674A2 publication Critical patent/WO2005077674A2/en
Publication of WO2005077674A3 publication Critical patent/WO2005077674A3/en
Priority to HK07104885.3A priority patent/HK1097166A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C21/00—Coins; Emergency money; Beer or gambling coins or tokens, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • B44B5/02—Dies; Accessories
    • B44B5/026—Dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/02—Designs or pictures characterised by special or unusual light effects produced by reflected light, e.g. matt surfaces, lustrous surfaces

Definitions

  • the present invention relates to a method for providing an image to a coin/token, comprising applying a relief structure, essentially consisting of triangular ribs, wherein part of said image is applied to one side of a rib and a series of said sides of a series of said ribs forms said image, wherein said part of said image on said side of said rib is formed by making regions with reflective characteristics in said side, which regions differ from the other regions of said side.
  • a relief structure essentially consisting of triangular ribs, wherein part of said image is applied to one side of a rib and a series of said sides of a series of said ribs forms said image, wherein said part of said image on said side of said rib is formed by making regions with reflective characteristics in said side, which regions differ from the other regions of said side.
  • Such a method is generally known in the state of the art. Structures with ribs are applied to coins or tokens. These ribs are made approximately triangular and an image is formed by observing
  • the aim of the present invention is to provide a simple method for applying an image to a coin or token. This aim is realised with a method as described above wherein the provision of said regions with differing reflective properties comprises the provision of a raised surface that extends essentially parallel to the remaining surface of said side.
  • one side of a rib that is provided with an image portion is provided with raised and lowered regions. These regions consist of surfaces that are essentially parallel to one another. When light is incident on these this is discernible to the observer. Such elevations can be small. A value of 1/100 mm is mentioned as an example.
  • the raised part obtained in this way or the lowered part obtained in this way is provided with a differing surface structure.
  • a matt finish is one example of such a differing surface structure.
  • such a matt finish is applied in the raised region. This is simple on production engineering grounds. After all, this means that there is a lowered region with material in the die.
  • the present invention also relates to a coin/token obtained in this way, having a relief consisting of a series of essentially identically shaped ribs, each with two sloping sides, located one after the other, wherein part of an image is applied to each of said ribs and said parts together form an image, wherein each part of said image is formed in that regions are made in said sloping sides that have reflective properties that differ from the light- reflecting properties of the remainder of said side, wherein said regions with differing light- reflecting properties comprise surfaces that are raised relative to the remaining surface of said sloping wall and essentially parallel to said remaining surface of said sloping side.
  • FIG. 1 shows, diagrammatically, a coin according to the present invention
  • Fig. 2 shows a detail of the coin according to Fig. 1 in cross-section
  • Fig. 3 shows a variant of the raised/lowered regions according to Fig. 2.
  • a coin/token according to the present invention is shown by 1 in Fig. 1.
  • This coin/token consists of a number of circular ribs 2.
  • the ribs can have any other shape.
  • such ribs can be made in accordance with specific undulating patterns in order to provide a security feature or a particular optical effect.
  • the ribs can, for example, be made straight.
  • the characterising feature is that a large number of ribs extend parallel to one another over a specific portion of the coin.
  • Each rib has a part image on one of the sides thereof, which part images together form the image 7. Details thereof can be seen in Fig. 2. hi Fig. 2 a few ribs 2 are shown on an appreciably enlarged scale. Each rib 2 consists of a first sloping surface 3 and a second sloping surface 4. Each sloping surface 3 consists of a base portion 6 and an elevated portion 5. The surface of portion 5 is essentially parallel to the surface of portion 6. However, portion 5 is provided with a matt finish structure, which is indicated by 8. In this way a part image 9 is obtained on one side 3. If the coin is viewed obliquely from above in the direction of arrow 10, the part images 9 together form a complete image.
  • Fig. 2 it is shown that there is a raised region 5 and a lowered region 6 over the height of side 3.
  • a raised region is indicated by 15, whilst, adjoining this, a lowered region is indicated by 16.

Landscapes

  • Adornments (AREA)
  • Testing Of Coins (AREA)

Abstract

Coin/token (1) provided with a relief consisting of ribs (2, 12). Part of an image (9) is applied to the side (3, 4) of each rib and these parts together form the complete image. On each side the image is produced by applying raised and lowered portions. The raised portions consist of surfaces (5, 15) or plateaus that extend parallel to the lower lying portions (6, 16) or surfaces. The surface structure of the raised portions differs from the surface of the lowered portions and preferably has a matt finish. It is possible to apply part of an image to both sides of each rib, so that different images are seen when the coin/token is viewed in different directions.

Description

Method for applying an image to a coin/token, coin/token obtained in this way and die used for this
The present invention relates to a method for providing an image to a coin/token, comprising applying a relief structure, essentially consisting of triangular ribs, wherein part of said image is applied to one side of a rib and a series of said sides of a series of said ribs forms said image, wherein said part of said image on said side of said rib is formed by making regions with reflective characteristics in said side, which regions differ from the other regions of said side. Such a method is generally known in the state of the art. Structures with ribs are applied to coins or tokens. These ribs are made approximately triangular and an image is formed by observing a series of ribs located one after the other. A different image is formed by looking at the rib from the opposite side. This gives a particular optical effect and can serve as a security feature. Each image is made up of a number of part images. There is such a part image on
In the art it is known to apply such part images by providing the relevant side of the ribs with different surfaces. More particularly, there are two surfaces at an angle on one side. When light is incident on these, this will be reflected at different angles, which is seen by the observer as a difference in contrast, as a result of which the relevant image portion is formed. Such a structure is complex to produce and leads to inadequate contrast if there is insufficient illumination. The aim of the present invention is to provide a simple method for applying an image to a coin or token. This aim is realised with a method as described above wherein the provision of said regions with differing reflective properties comprises the provision of a raised surface that extends essentially parallel to the remaining surface of said side. According to the present invention one side of a rib that is provided with an image portion is provided with raised and lowered regions. These regions consist of surfaces that are essentially parallel to one another. When light is incident on these this is discernible to the observer. Such elevations can be small. A value of 1/100 mm is mentioned as an example. According to an advantageous embodiment of the invention either the raised part obtained in this way or the lowered part obtained in this way is provided with a differing surface structure. A matt finish is one example of such a differing surface structure. Preferably, such a matt finish is applied in the raised region. This is simple on production engineering grounds. After all, this means that there is a lowered region with material in the die. Using laser techniques it is now possible on a very small scale very accurately "to burn in" very accurately defined regions on the rib of a mould, as a result of which the desired differing structure, such as a matt finish, is produced. When the coins are struck this structure is transferred to the coin/token. The present invention also relates to a coin/token obtained in this way, having a relief consisting of a series of essentially identically shaped ribs, each with two sloping sides, located one after the other, wherein part of an image is applied to each of said ribs and said parts together form an image, wherein each part of said image is formed in that regions are made in said sloping sides that have reflective properties that differ from the light- reflecting properties of the remainder of said side, wherein said regions with differing light- reflecting properties comprise surfaces that are raised relative to the remaining surface of said sloping wall and essentially parallel to said remaining surface of said sloping side. The invention will be explained in more detail below with reference to an illustrative embodiment shown in the drawing. In the drawing: Fig. 1 shows, diagrammatically, a coin according to the present invention; Fig. 2 shows a detail of the coin according to Fig. 1 in cross-section, and Fig. 3 shows a variant of the raised/lowered regions according to Fig. 2. A coin/token according to the present invention is shown by 1 in Fig. 1. This coin/token consists of a number of circular ribs 2. It will be understood that the ribs can have any other shape. In particular, such ribs can be made in accordance with specific undulating patterns in order to provide a security feature or a particular optical effect. The ribs can, for example, be made straight. The characterising feature is that a large number of ribs extend parallel to one another over a specific portion of the coin. Each rib has a part image on one of the sides thereof, which part images together form the image 7. Details thereof can be seen in Fig. 2. hi Fig. 2 a few ribs 2 are shown on an appreciably enlarged scale. Each rib 2 consists of a first sloping surface 3 and a second sloping surface 4. Each sloping surface 3 consists of a base portion 6 and an elevated portion 5. The surface of portion 5 is essentially parallel to the surface of portion 6. However, portion 5 is provided with a matt finish structure, which is indicated by 8. In this way a part image 9 is obtained on one side 3. If the coin is viewed obliquely from above in the direction of arrow 10, the part images 9 together form a complete image. According to the present invention it is possible to apply part images to side 4 as well. That is to say, when the coin or token 1 is observed from different sides the same or different images are visible. The elevation 5 is obtained by making a recess in the die with the aid of laser techniques. By providing this with a somewhat rough surface, the matt finish surface 5 will subsequently be produced. In Fig. 2 it is shown that there is a raised region 5 and a lowered region 6 over the height of side 3. However, it is also possible to make raised and lowered regions in the longitudinal direction of the ribs. This is shown in Fig. 3, where a rib 12 is shown in perspective. A raised region is indicated by 15, whilst, adjoining this, a lowered region is indicated by 16. A combination of the measures described in Figs 2 and 3 is optionally possible. the embodiment shown the surfaces 3 and 4 intersect one another. However, it is also possible to provide a horizontal base surface between them. There can optionally be a further image on this base surface. After reading the above it will be immediately understood by those skilled in the art that yet further combinations are possible with other techniques that are generally known in the state of the art and that lie within the scope of the appended claims.

Claims

1. Method for providing an image (7) to a coin/token (1), comprising applying a relief structure, essentially consisting of triangular ribs (2), wherein part (9) of said image is applied to one side of a rib and a series of said sides of a series of said ribs forms said image (7), wherein said part of said image on said side of said rib is formed by making regions with reflective characteristics in said side, which regions differ from the other regions of said side, characterised in that the provision of said regions with differing reflective properties comprises the provision of a raised surface (5) that extends essentially parallel to the remaining surface of said side.
2. Method according to Claim 1, wherein said raised surface is provided with a surface structure (8) that differs from the surface structure of the remaining surface of said side.
3. Method according to Claim 2, wherein said raised surface has a matt finish.
4. Method according to one of the preceding claims, comprising applying a mirror- image image portion to both sides (3, 4) of said triangular rib (2).
5. Method according to one of the preceding claims, wherein said raised surface is made 1/100 mm above said remaining surface.
6. Coin/token having a relief consisting of a series of essentially identically shaped ribs (2), each with two sloping sides (3, 4), located one after the other, wherein part (9) of an image (7) is applied to each of said ribs and said parts (9) together form a mirror-image image (7), wherein each part of said image is formed in that regions are made in said sloping sides that have reflective properties that differ from the light-reflecting properties of the remainder of said side, characterised in that said regions with differing light- reflecting properties comprise surfaces (8) that are raised relative to the remaining surface of said sloping wall and essentially parallel to said remaining surface of said sloping side.
7. Coin/token according to Claim 6, wherein said raised surface is provided with a surface structure (8) that differs from the surface structure of the remaining surface of said side.
8. Coin/token according to Claim 6 or 7, wherein said raised surface has a matt finish.
9. Die for striking a coin/token, comprising a relief consisting of a series of essentially identically shaped ribs, each with two sloping sides, located one after the other, wherein part of a mirror-image image is applied to one side of each of said ribs and said parts together form a mirror-image image, wherein each part of said mirror-image image is formed in that regions are made in said sloping sides that have reflective properties that differ from the light-reflecting properties of the remainder of said side, characterised in that said regions with differing light-reflecting properties comprise surfaces (8) that are lowered relative to the remaining surface of said sloping wall and essentially parallel to said remaining surface of said sloping side.
PCT/NL2005/000116 2004-02-18 2005-02-18 Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this WO2005077674A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ES05722001T ES2428141T3 (en) 2004-02-18 2005-02-18 Method to apply a relief image to a coin / token, coin / token obtained in this way and wedge used for it
PL05722001T PL1718182T3 (en) 2004-02-18 2005-02-18 Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this
EP05722001.4A EP1718182B1 (en) 2004-02-18 2005-02-18 Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this
HK07104885.3A HK1097166A1 (en) 2004-02-18 2007-05-08 Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1025511A NL1025511C2 (en) 2004-02-18 2004-02-18 Method for applying an image to a coin / token, coin / token thus obtained and the mold used therefor.
NL1025511 2004-02-18

Publications (2)

Publication Number Publication Date
WO2005077674A2 true WO2005077674A2 (en) 2005-08-25
WO2005077674A3 WO2005077674A3 (en) 2006-06-01

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ID=34859199

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2005/000116 WO2005077674A2 (en) 2004-02-18 2005-02-18 Method for applying a relief image to a coin/token, coin/token obtained in this way and die used for this

Country Status (6)

Country Link
EP (1) EP1718182B1 (en)
ES (1) ES2428141T3 (en)
HK (1) HK1097166A1 (en)
NL (1) NL1025511C2 (en)
PL (1) PL1718182T3 (en)
WO (1) WO2005077674A2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1918125A2 (en) * 2006-11-06 2008-05-07 Schuler Pressen GmbH & Co. KG Embossing device and method for the production of an embossing tool
EP2441593A1 (en) 2010-10-13 2012-04-18 Hueck Folien Ges.m.b.H. Security element with achromatic features
GB2483310B (en) * 2010-09-02 2013-05-08 Universal Trim Supply Co Ltd Invisible pattern contained plastic label
EP2594149A1 (en) * 2011-11-18 2013-05-22 Fabrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Object comprising a region of its surface suitable for showing a plurality of images
EP2819840A4 (en) * 2012-02-28 2015-11-18 3M Innovative Properties Co Substrate comprising high and low gloss areas with a physical microstructure superimposed thereon
NL2017965B1 (en) * 2016-12-09 2018-06-19 De Koninklijke Nederlandse Munt N V System comprising a number of rolls to produce multiple objects from a blank made of metal and/or plastic and a method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014309B (en) * 2014-04-30 2017-07-18 深圳市鑫韵珠宝有限公司 A kind of two-sided cold-press process of thin slice noble metal

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GB1311663A (en) * 1969-03-06 1973-03-28 Payne S B Picture activation
FR2557512A3 (en) * 1983-12-30 1985-07-05 Dupont S T Method for forming a guilloche-type relief decoration on the surface of an object and objects carrying such a decoration
US4582566A (en) * 1983-08-30 1986-04-15 Craigave Pty. Ltd. Article die forming method
EP0581414A1 (en) * 1992-06-04 1994-02-02 Director-General, Printing Bureau, Ministry Of Finance, Japan Anti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the same
EP0650853A1 (en) * 1993-11-02 1995-05-03 Fabrica Nacional De Moneda Y Timbre Process for obtaining double picture prints on hard surfaces
US20020154290A1 (en) * 2000-01-21 2002-10-24 Tompkin Wayne Robert Coin provided with diffraction structures

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GB1311663A (en) * 1969-03-06 1973-03-28 Payne S B Picture activation
US4582566A (en) * 1983-08-30 1986-04-15 Craigave Pty. Ltd. Article die forming method
FR2557512A3 (en) * 1983-12-30 1985-07-05 Dupont S T Method for forming a guilloche-type relief decoration on the surface of an object and objects carrying such a decoration
EP0581414A1 (en) * 1992-06-04 1994-02-02 Director-General, Printing Bureau, Ministry Of Finance, Japan Anti-counterfeit latent image formation object for bills, credit cards, etc. and method for making the same
EP0650853A1 (en) * 1993-11-02 1995-05-03 Fabrica Nacional De Moneda Y Timbre Process for obtaining double picture prints on hard surfaces
US20020154290A1 (en) * 2000-01-21 2002-10-24 Tompkin Wayne Robert Coin provided with diffraction structures

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Title
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1918125A2 (en) * 2006-11-06 2008-05-07 Schuler Pressen GmbH & Co. KG Embossing device and method for the production of an embossing tool
EP1918125A3 (en) * 2006-11-06 2011-08-31 Schuler Pressen GmbH & Co. KG Embossing device and method for the production of an embossing tool
GB2483310B (en) * 2010-09-02 2013-05-08 Universal Trim Supply Co Ltd Invisible pattern contained plastic label
EP2441593A1 (en) 2010-10-13 2012-04-18 Hueck Folien Ges.m.b.H. Security element with achromatic features
WO2012048809A1 (en) 2010-10-13 2012-04-19 Hueck Folien Ges.M.B.H Security element with achromatic features
WO2013072449A1 (en) * 2011-11-18 2013-05-23 Fábrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Object comprising a region of its surface suitable for showing a plurality of images
EP2594149A1 (en) * 2011-11-18 2013-05-22 Fabrica Nacional De Moneda Y Timbre - Real Casa De La Moneda Object comprising a region of its surface suitable for showing a plurality of images
EP2779857B1 (en) 2011-11-18 2016-04-20 Fábrica Nacional de Moneda Y Timbre - Real Casa de la Moneda Object comprising a region of its surface suitable for showing a plurality of images
RU2609220C2 (en) * 2011-11-18 2017-01-31 Фабрика Насьональ Де Монеда И Тимбре - Реаль Каса Де Ла Монеда Object containing area of its surface suitable for displaying of plurality of images
US9682591B2 (en) 2011-11-18 2017-06-20 Fábrica Nacional De Moneda Y Timbre Real Casa De La Moneda Object comprising a region of its surface suitable for showing a plurality of images
KR101840261B1 (en) 2011-11-18 2018-03-20 파브리카 나씨오날 데 모네다 이 띰브레-레알 까사 데 라 모네다 Object comprising a region of its surface suitable for showing a plurality of images
EP2819840A4 (en) * 2012-02-28 2015-11-18 3M Innovative Properties Co Substrate comprising high and low gloss areas with a physical microstructure superimposed thereon
NL2017965B1 (en) * 2016-12-09 2018-06-19 De Koninklijke Nederlandse Munt N V System comprising a number of rolls to produce multiple objects from a blank made of metal and/or plastic and a method

Also Published As

Publication number Publication date
EP1718182B1 (en) 2013-06-26
ES2428141T3 (en) 2013-11-06
PL1718182T3 (en) 2013-11-29
EP1718182A2 (en) 2006-11-08
WO2005077674A3 (en) 2006-06-01
HK1097166A1 (en) 2007-06-22
NL1025511C2 (en) 2005-08-19

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