EP1727685A2 - Stamp for hot or cold stamping - Google Patents
Stamp for hot or cold stampingInfo
- Publication number
- EP1727685A2 EP1727685A2 EP05733564A EP05733564A EP1727685A2 EP 1727685 A2 EP1727685 A2 EP 1727685A2 EP 05733564 A EP05733564 A EP 05733564A EP 05733564 A EP05733564 A EP 05733564A EP 1727685 A2 EP1727685 A2 EP 1727685A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- useful
- surface structure
- stamp
- embossing
- 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
- 239000010410 layer Substances 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000012790 adhesive layer Substances 0.000 claims abstract description 4
- 238000004049 embossing Methods 0.000 claims description 33
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 5
- 238000009877 rendering Methods 0.000 abstract 1
- 229910001369 Brass Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
- B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
- B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
-
- 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
- B44B5/0052—Machines or apparatus for embossing decorations or marks, e.g. embossing coins by pressing
-
- 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
- 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
- B44B5/028—Heated dies
Definitions
- the invention relates to an embossing stamp with a surface structure for hot stamping or for cold stamping.
- hot stamping foils are processed during hot stamping, e.g. to refine graphic products or plastic parts.
- stamps without foil are used. This embossing is also called blind embossing.
- the surface structure can be an engraving or the like. act.
- embossing dies used in the graphic arts industry are usually compact, i.e. formed in one piece, which make so-called dressings necessary to compensate for tolerances of the substrate to be stamped, to compensate for tolerances of the stamping machine and / or to compensate for tolerances of the stamp.
- the said dressings are carried out in practice by placing suitable materials - in the respectively required, ie different thicknesses - under the substrate or embossing die to be embossed.
- This underlay is time consuming.
- Another deficiency is that this dressing depends on the experience of the operating personnel and is therefore difficult or hardly reproducible.
- Embossing stamps for hot stamping or stamps for punching label paper or the like which have a base layer on which a useful layer is provided.
- the usable layer consists, for example, of brass, copper or a photopolymer and can be engraved, etched, washed out or structured using a laser.
- the base layer consists of a ferritic material in order to be able to magnetically clamp this known stamp onto a machine table or a rotating body.
- These known stamps are therefore only about being able to introduce a motif, ie the surface structure, into an easily editable usable position, and then simply being able to magnetically clamp the stamp onto a machine table or a rotating body.
- the useful position is mechanically rigidly connected to the base position, for example by rolling. Another possibility there is to galvanically apply the useful layer to the base layer. This also results in a mechanically rigid connection of the useful position to the base position. If necessary, it is also possible for the surface-structured useful layer to be mechanically firmly bonded to the base layer. Tolerance compensation is not provided with such a two-layer design of the stamp, consisting of the base layer and a surface-structured useful layer.
- the embossing stamp with a stamp body which has an elastic layer.
- the elastic layer forming the useful position of the embossing die can be designed with a surface structure (FIG. 5 and the associated description), or it may be provided with a flexible metal surface (FIG. 1 and associated description).
- the elastic layer can also include inlays e.g. have in the form of metal foils ( Figure 3 and associated description).
- An embossing stamp with a useful layer made of a hard material, which has a surface structure is neither known from DE 1 161 568 B, nor is it suggested by this prior art.
- DE 38 29 279 C2 discloses an embossing stamp provided for hot stamping, which has a useful position.
- the usable area consists of a Rubber compound and is heated by means of an electrical resistance heating element.
- a heat insulation layer can be provided on the back of the resistance heating element.
- a pressure pad connects to the thermal insulation layer. The pressure pad is able to adapt to the shape of the workpiece to be printed.
- the invention has for its object to provide an embossing stamp of the type mentioned for hot or cold stamping, in which a dressing is unnecessary.
- the embossing die has a useful layer with the surface structure, a base layer, and at least one intermediate layer between the useful and the base layer, the layers being connected to one another by means of a temperature-resistant flexible connecting layer.
- the embossing stamp according to the invention has such flexibility that it is advantageously possible to dispense with dressing using suitable materials under the substrate or embossing stamp to be embossed in each case.
- the layers are each connected to one another by means of an adhesive layer.
- This adhesive is preferably an epoxy resin adhesive.
- the individual layers are connected to one another by elastomers. It has proven to be expedient in the stamping die according to the invention if the structured useful layer has a wall thickness which is greater than the wall thickness of the at least one intermediate layer.
- the wall thickness of the useful layer is 2 mm and the wall thickness of the at least one
- the usable layer and the at least one intermediate layer can have different wall thicknesses.
- the wall thickness of the useful layer, the wall thickness of the at least one intermediate layer and the wall thickness of the base layer are preferably dimensioned in a manner adapted to the particular intended use of the stamping die according to the invention.
- the flexibility of the stamping die according to the invention can also be set as desired by the number of layers and the wall thickness thereof.
- the desired properties of the embossing stamp according to the invention can thus be set as desired by the selection and dimensioning of the layers, i.e. adaptable to the respective application and area of application.
- the surface structure of the wear layer can have a maximum depth that corresponds at most to the wall thickness of the wear layer or is less than this.
- the surface structure of the useful layer can have a maximum depth that is greater than the wall thickness of the useful layer, so that the surface structure extends into the at least one intermediate layer.
- embossing die according to the invention with the usual dimensions of known compact, one-piece embossing dies, it has proven to be advantageous if two or more than two intermediate layers are provided between the useful position and the base position.
- the useful position and the at least one intermediate layer as well as the base position of the stamping die according to the invention can be made of the same metals or Metal alloys or made of non-metallic materials.
- the usable layer and the at least one intermediate layer and the base layer can consist of different metals or metal alloys or non-metallic materials.
- brass, copper, steel or the like or non-metallic materials can be used for the useful position, the at least one intermediate layer and the base layer.
- the figure shows an embossing stamp 10 with a useful layer 12 which is formed with a surface structure 14, 16.
- the surface structure 14 is a recessed surface structure and the surface structure 16 is an alternately recessed and raised surface structure.
- the surface structures 14 and 16 have a maximum depth that is smaller than the wall thickness of the wear layer 12. This is, for example, 2 mm.
- the stamping die 10 also has a base layer 18, the wall thickness of which is also 2 mm, for example.
- Two intermediate layers 20 are provided between the base layer 18 and the useful layer 12.
- the useful layer 12, the intermediate layers 20 and the base layer 18 are connected to one another by means of temperature-resistant flexible connecting layers 22, so that overall there is a limited flexible stamping die 10, so that when it is applied to a dressing by underlaying suitable materials - in the required thicknesses - Can be dispensed with under the substrate to be stamped or the stamp.
- the flexible connecting layers 22 are preferably thin adhesive layers made of an epoxy resin adhesive.
- the surface-structured useful layer 12, the intermediate layers 20, which each have a wall thickness of 1.5 mm, for example, and the base layer 18 can consist of the same or different materials. These materials can be, for example, brass, copper, steel or the like.
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004014373A DE102004014373B4 (en) | 2004-03-24 | 2004-03-24 | Embossing stamp for hot or cold stamping |
PCT/DE2005/000439 WO2005095122A2 (en) | 2004-03-24 | 2005-03-11 | Stamp for hot or cold stamping |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1727685A2 true EP1727685A2 (en) | 2006-12-06 |
EP1727685B1 EP1727685B1 (en) | 2014-05-07 |
Family
ID=34965472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05733564.8A Expired - Fee Related EP1727685B1 (en) | 2004-03-24 | 2005-03-11 | Stamp for hot or cold stamping |
Country Status (4)
Country | Link |
---|---|
US (1) | US20080245249A1 (en) |
EP (1) | EP1727685B1 (en) |
DE (1) | DE102004014373B4 (en) |
WO (1) | WO2005095122A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080016916A1 (en) * | 2006-04-28 | 2008-01-24 | Yang Wei Y | Stamped glass |
DE102006056701B4 (en) * | 2006-11-30 | 2008-08-28 | Leonhard Kurz Gmbh & Co. Kg | embosser |
DE102010012734B3 (en) * | 2010-03-24 | 2011-10-06 | Hinderer + Mühlich Kg | Hot embossing and stamping |
EP2724864B1 (en) * | 2012-10-24 | 2018-12-26 | Heidelberger Druckmaschinen AG | Method and device for creating and transferring diffractive microstructures on a printable material |
DE202017006182U1 (en) | 2017-12-01 | 2018-02-16 | Augenstein Gmbh | Apparatus for thermal hot stamping of products, preferably of foodstuffs |
DE102018102638A1 (en) * | 2018-02-06 | 2019-08-08 | Hinderer + Mühlich Gmbh & Co. Kg | Method and device for rotatively blind embossing a substrate, a die and / or male part for use in a device and a method for producing a female mold and / or male |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1161568B (en) * | 1958-04-03 | 1964-01-23 | Dr Elmar Messerschmitt | Embossing stamp |
US3271151A (en) * | 1965-02-08 | 1966-09-06 | Eastman Kodak Co | Photographic relief printing plate |
CA1309298C (en) * | 1987-12-24 | 1992-10-27 | Kureha Rubber Industry Co., Ltd. | Corrugated board printing plate |
DE3829297A1 (en) * | 1988-02-01 | 1989-08-24 | Walter Mathis | DEVICE FOR DRYING PRINTING OF A WORKPIECE USING A HOT-IMAGING FILM AND A STAMP |
EP0340318A1 (en) * | 1988-05-02 | 1989-11-08 | Kinaros Anstalt | Die-stamping apparatus for personal documents |
DE19835993A1 (en) * | 1998-08-08 | 2000-02-10 | Volkswagen Ag | Press stamp for applying marks on non-even surface area of component to be labeled, especially workpiece, supporting individual letters, independently of each other movable |
-
2004
- 2004-03-24 DE DE102004014373A patent/DE102004014373B4/en not_active Expired - Fee Related
-
2005
- 2005-03-11 WO PCT/DE2005/000439 patent/WO2005095122A2/en active Search and Examination
- 2005-03-11 US US10/593,363 patent/US20080245249A1/en not_active Abandoned
- 2005-03-11 EP EP05733564.8A patent/EP1727685B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005095122A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005095122A2 (en) | 2005-10-13 |
EP1727685B1 (en) | 2014-05-07 |
WO2005095122A3 (en) | 2005-11-17 |
DE102004014373B4 (en) | 2006-09-21 |
DE102004014373A1 (en) | 2005-10-13 |
US20080245249A1 (en) | 2008-10-09 |
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