EP0603258B1 - Process for applying engravings on the surface of an ice body, in particular a transparent ice body, - Google Patents

Process for applying engravings on the surface of an ice body, in particular a transparent ice body, Download PDF

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Publication number
EP0603258B1
EP0603258B1 EP92919168A EP92919168A EP0603258B1 EP 0603258 B1 EP0603258 B1 EP 0603258B1 EP 92919168 A EP92919168 A EP 92919168A EP 92919168 A EP92919168 A EP 92919168A EP 0603258 B1 EP0603258 B1 EP 0603258B1
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Prior art keywords
engraving
ice
ice body
elements
tool
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German (de)
French (fr)
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EP0603258A1 (en
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Josef Hobelsberger
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/06—Natural ornaments; Imitations thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/22—Removing surface-material, e.g. by engraving, by etching
    • B44C1/225—Removing surface-material, e.g. by engraving, by etching by engraving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2303/00—Details of devices using other cold materials; Details of devices using cold-storage bodies
    • F25D2303/08—Devices using cold storage material, i.e. ice or other freezable liquid
    • F25D2303/081—Devices using cold storage material, i.e. ice or other freezable liquid using ice cubes or crushed ice

Definitions

  • the invention relates to a method for applying engravings to a surface of the ice body, in particular one made of clear ice according to claims 1 and 2, and a method for producing an ice body which has at least one engraving inside the ice body, according to claim 3.
  • a device for embossing materials and coloring the embossed surfaces has become known.
  • This device is also particularly suitable for embossing and coloring foodstuffs, in particular ice cream.
  • Ice bodies are used in particular in the form of ice figures for upscale gastronomic occasions such as cold buffets, receptions and banquets for decoration and decoration, often in connection with floral decorations and effective lighting.
  • DE-A-3 909 318 teaches to fill in an inclusion element, such as pieces of fruit or the like, in a cavity formed within an ice body due to production, to fill the cavity with water and to cool it again, so that an ice body with an inclusion body is formed.
  • Another object of the present invention is to provide an ice body with an engraving.
  • the embossed area of which carries relief-shaped engraving elements which are heated above the melting temperature of the ice body and which, for example, represent a mirror-image lettering the embossed area of which carries relief-shaped engraving elements which are heated above the melting temperature of the ice body and which, for example, represent a mirror-image lettering, the ice bodies can be engraved quickly, with sharp contours and in large quantities.
  • melt water be removed in a suitable manner, since this would otherwise damage the edges of the engraving due to melting.
  • the ability to mass produce comes essentially from the fact that the actual engraving, namely the contacting of the engraving elements with a surface of the ice body in a production line, can be carried out automatically - for example, time-controlled - the engraving content, e.g. lettering, if necessary in the manner of a Setting machine, as it is known from printing technology, can be exchanged freely - also automatically selectable.
  • the actual engraving namely the contacting of the engraving elements with a surface of the ice body in a production line
  • the engraving content e.g. lettering
  • Claim 3 also solves the procedural problem in this way, with the proviso that it is possible, for example, to produce ice bodies composed of two halves by engraving an approximately planar surface of an ice body part - this surface later coming to lie inside a composite ice body .
  • the approximately flat surface to be engraved is first heated in such a way that it is wet with the surface. This is preferably done with a hot plate.
  • the actual engraving must then be carried out in such a way that the melt water is removed appropriately.
  • the surface of only one ice body can be engraved and then placed on a flat, non-engraved surface of another ice body part.
  • one surface of an ice body can also be engraved, the lettering that is then created being mirror-symmetrical to one another. This inherits an even better three-dimensional effect, since the engraving cavity has approximately twice the volume as with single-surface engraving.
  • the still surface-wet, flat surfaces of the ice body parts are then pressed together under pressure and cooled to below the melting point of the ice body, so that a composite ice body with an engraving lying inside is obtained in the form of a cavity.
  • the surface-wet parts of the ice body are pressed together under pressure, since this prevents air bubbles from getting between the flat areas outside the engraving zone.
  • Such air bubbles would on the one hand represent imperfections in the internal cohesion of the ice body surfaces, which can lead to the formation of cloudy ice, and on the other hand, if the ice bodies according to the invention are used for cooling beverages, the beverage liquid can penetrate into the interphase between the two ice bodies.
  • channels can also form up to the engraving cavities, as a result of which the engraving cavities fill with liquid and thus adjust their refraction of light to the beverage liquid, so that the optically brilliant impression of the engraving would disappear.
  • the engraving cavities may also be desirable to allow the engraving cavities to make specific contact with the liquid surrounding them, namely when the engraving cavities are to be filled with a colored beverage liquid, for example.
  • a colored beverage liquid for example.
  • the ice bodies with an internal engraving are first placed in a colored drinking liquid, in which they can fill with the correspondingly colored liquid, and then after a short rinse in the actual clear liquid, e.g. B. mineral water to be cooled can be given.
  • Such ice bodies with an internal engraving can be used for a wide variety of decorative or cooling purposes.
  • ice bodies can vary from a few centimeters to person size or larger.
  • the ice bodies of the present invention are preferably used in a small form for cooling beverages.
  • such small ice cream bodies can be made from clear ice by making ice sheets, for example by overflowing a cooling plate with water using clear ice technology, and then dividing the sheet into individual ice cubes with a heated wire grid, the surfaces of which can then be engraved in accordance with the present invention.
  • the dimensions of the ice bodies can be changed in almost any shape using the thickness of the ice base plates used and the lattice constant of the wire mesh.
  • Fig. 1 denotes an ice body part, the surface 2 of which has been provided with an engraving 3.
  • Corresponding parts of the ice body part opposite the ice body part 1 in FIG. 1 are designated with the same reference numerals, but provided with a '.
  • each surface is engraved with a stamp-like tool, the embossing area of which has relief-shaped engraving elements made of metal which, in terms of their design, are in mirror image relation to the lettering "EIS" to be engraved.
  • the engraving elements - in the example, letters - are heated to a temperature above the melting temperature of the ice body parts 1, 1 ', the amount of heat flowing off the ice preferably being compensated for by reheating the engraving elements, so that the engraving elements essentially remain one even during engraving have constant temperature. This is preferably achieved by means of electronic regulation.
  • the engraving elements are brought into contact with the surfaces 2, 2 'to be engraved until the engraving has the desired depth of penetration into the surface of the ice body having. If necessary, the engraving can be repeated several times until the desired penetration depth is reached.
  • the surface 2, 2 'of the ice body parts 1, 1' which are still wet on the surface, can be pressed together under pressure, but in the example it is preferred to place the ice body parts 1, 1 'on top of each other in this way under pressure in the direction of the arrows shown in FIG. 1 that the edge 5 'of the ice body part 1' is first placed on the edge 6 of the ice body part 1 and then the ice body 1 'is pushed antiparallel under sliding force under such pressure on the surface 2 of the ice body part 1 that finally the edges 5 and 5 'and the edges 6 and 6' come to lie on one another.
  • melt water removal poses a particular problem, since this melting water interferes with the sharp edges of the engraving contours if the effect is too long. This melt water is therefore preferably removed by suction.
  • the ice bodies 4 to be engraved particularly preferably have temperatures of approximately -9 ° C. to 0 ° C.
  • an ice body 4 which, owing to its formation from clear ice, bears a lettering located in its interior - in the example "EIS". Due to its filling with air, this lettering has a different refractive index than the ice surrounding it and therefore has an excellent contrast to the ice itself as well as to the beverage liquid surrounding the ice body 4.
  • Such ice bodies can be used particularly advantageously for decorative cooling of food and beverages.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
  • Table Equipment (AREA)
  • Confectionery (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

A pair of ice bodies each have a planar surface which are warmed to melt the surface. Then at least one of the surfaces is provided with a cavity engendered by the application of a dimension controlled heat source, suitably by engraving with a heated relief formed die-like tool having a metal engraving element of a given design. The engraving element is warmed above the ice melting temperature and brought into contact with a planar surface of the surface of the ice body so that the element melts away portions of the ice body in the area of the element and the melt water is simultaneously removed by gravity, a vacuum or by a blast of cold air. When the desired engraving depth has been attained, the planar surfaces of the ice bodies to be mated are wetted by warming and are pressed together and if needed, cooled to freeze the interface producing an assembled ice body with an internal engraving and a transparent seam. Both bodies can be engraved in mirror image fashion with the engravings aligned and mated to form a single engraving in the composite body. The engraving brilliantly stands out from its surroundings in a drink medium because of the different light refractive indices.

Description

Die Erfindung betrifft ein Verfahren zum Anbringen von Gravuren auf eine Oberfläche des Eiskörpers, insbesondere einer solchen aus Klareis gemäß Anspruch 1 und 2 und ein Verfahren zur Herstellung eines Eiskörpers, der wenigstens eine Gravur im Inneren des Eiskörpers aufweist, gemäß Anspruch 3.The invention relates to a method for applying engravings to a surface of the ice body, in particular one made of clear ice according to claims 1 and 2, and a method for producing an ice body which has at least one engraving inside the ice body, according to claim 3.

Aus der US-A-1928 067 ist es bekannt geworden, die Oberfläche von Süßigkeiten mit eine Schriftzug vermittels eines stempelartigen Werkzeuges zu versehen.From US-A-1928 067 it has become known to provide the surface of sweets with a lettering by means of a stamp-like tool.

Aus der GB-A-831 028 ist eine Vorrichtung zum Prägen von Materialien und Einfärben der geprägten Oberflächen bekannt geworden. Diese Vorrichtung ist insbesondere auch zur Prägung und Einfärbung von Lebensmitteln wie insbesondere Eiscreme geeignet.From GB-A-831 028 a device for embossing materials and coloring the embossed surfaces has become known. This device is also particularly suitable for embossing and coloring foodstuffs, in particular ice cream.

Eiskörper werden insbesondere in Form von Eisfiguren bei gehobenen gastronomischen Anlässen wie kalten Buffets, Empfängen und Banketts zur Zierde und Dekoration, oftmals in Verbindung mit Blumenschmuck sowie effektvoller Beleuchtung, benutzt.Ice bodies are used in particular in the form of ice figures for upscale gastronomic occasions such as cold buffets, receptions and banquets for decoration and decoration, often in connection with floral decorations and effective lighting.

Darüber hinaus werden Kleineiskörper geradezu klassisch zum Kühlen von Getränken im privaten wie im gesellschaftlichen Bereich verwendet.In addition, small ice cream bodies are used in a classic way to cool drinks in the private and social spheres.

Zur optischen Aufwertung derartiger Eiskörper lehrt die DE-A-3 909 318 in einem innerhalb eines Eiskörpers herstellungsbedingt gebildeten Hohlraum ein Einschlußelement, etwa Fruchtstückchen oder dergleichen, einzufüllen, den Hohlraum mit Wasser zu füllen und erneut abzukühlen, so daß ein Eiskörper mit Einschlußkörper entsteht.For the optical enhancement of such ice bodies, DE-A-3 909 318 teaches to fill in an inclusion element, such as pieces of fruit or the like, in a cavity formed within an ice body due to production, to fill the cavity with water and to cool it again, so that an ice body with an inclusion body is formed.

Weiterhin ist es bspw. aus der DE-A-3 133 616 bekannt, Eisblöcks mit Hammer und Meißel zu einer Eisfugur zu gestalten. Zum anderen lehrt diese Druckschrift auch, eine Klareisoberfläche entweder einfach mit einem Messer oder Meißel, oder mit einem vorgewärmten Werkzeug mit eingebauter Heizung, ähnlich einem Lötkolben, zu bearbeiten.Furthermore, it is known, for example from DE-A-3 133 616, to design ice blocks with an hammer and chisel into an ice fugure. On the other hand, this document also teaches to process a clear ice surface either simply with a knife or chisel, or with a preheated tool with built-in heating, similar to a soldering iron.

Keines der bisher bekannten Verfahren lehrt es jedoch, Gravuren auf äußeren oder inneren Oberflächen von Eiskörpern, insbesondere Klareiskörpern, zu erzeugen.However, none of the previously known methods teaches to produce engravings on outer or inner surfaces of ice bodies, in particular clear ice bodies.

Daher ist es Aufgabe der vorliegenden Erfindung, ein Verfahren zur Verfügung zu stellen, mit dem es möglich ist, konturenscharfe Gravuren auf innen oder außen liegenden Oberflächen eines Eiskörpers anzubringen, und welches es ermöglicht, derartige Eiskörper in großer Stückzahl zu gravieren.It is therefore an object of the present invention to provide a method with which it is possible to apply sharp-contour engravings to the inside or outside surfaces of an ice body, and which enables such ice bodies to be engraved in large numbers.

Weitere Aufgabe der vorliegenden Erfindung ist es, einen Eiskörper mit Gravur zur Verfügung zu stellen.Another object of the present invention is to provide an ice body with an engraving.

Diese Aufgaben werden verfahrenstechnisch durch die Merkmale der Ansprüche 1, 2 und 3 gelost.In terms of process engineering, these tasks are solved by the features of claims 1, 2 and 3.

Dadurch, daß ein stempelartiges Werkzeug verwendet wird, dessen Prägebereich reliefförmige Gravurelemente trägt, die über die Schmelztemperatur des Eiskörpers erwärmt werden und die bspw. einen spiegelbildlichen Schriftzug darstellen, kann die Gravur von Eiskörpern schnell, konturenscharf und in großen Stückzahlen durchgeführt werden.Because a stamp-like tool is used, the embossed area of which carries relief-shaped engraving elements which are heated above the melting temperature of the ice body and which, for example, represent a mirror-image lettering, the ice bodies can be engraved quickly, with sharp contours and in large quantities.

Für die Konturenschärfe äußerst wesentlich ist es jedoch, daß das Schmelzwasser in geeigneter Weise entfernt wird, da dieses sonst die Ränder der Gravur durch Schmelzen in Mitleidenschaft zieht.For the sharpness of the contours, however, it is extremely important that the melt water be removed in a suitable manner, since this would otherwise damage the edges of the engraving due to melting.

Die Fähigkeit zur Massenproduktion kommt im wesentlichen dadurch zustande, daß die eigentliche Gravur, nämlich das Inkontaktbringen der Gravurelemente mit einer Oberfläche des Eiskörpers in einer Produktionslinie automatisiert - etwa zeitgesteuert - durchgeführt werden kann, wobei der Gravurinhalt, bspw. Schriftzüge, bei Bedarf nach Art einer Setzamschine, wie sie aus der Drucktechnik bekannt ist, beliebig - auch automatisch wählbar - ausgetauscht werden kann.The ability to mass produce comes essentially from the fact that the actual engraving, namely the contacting of the engraving elements with a surface of the ice body in a production line, can be carried out automatically - for example, time-controlled - the engraving content, e.g. lettering, if necessary in the manner of a Setting machine, as it is known from printing technology, can be exchanged freely - also automatically selectable.

Anspruch 3 löst die verfahrenstechnische Aufgabe ebenfalls in dieser Art, mit der Maßgabe, daß es durch Gravieren einer annähernd planen Oberfläche eines Eiskörperteils - wobei diese Oberfläche später im Inneren eines zusammengesetzten Eiskörpers zu liegen kommt - möglich ist, bspw. aus zwei Hälften zusammengesetzte Eiskörper herzustellen.Claim 3 also solves the procedural problem in this way, with the proviso that it is possible, for example, to produce ice bodies composed of two halves by engraving an approximately planar surface of an ice body part - this surface later coming to lie inside a composite ice body .

Diese Eiskörter weisen dann in ihrem Inneren eine Gravur auf, die insbesondere bei Klareis durch die unterschiedliche Lichtbrechung der in der Regel luftgefüllten Gravurhohlräume optisch prägnant in Erscheinung tritt.These ice creams then have an engraving on their inside, which appears particularly visually in clear ice due to the different light refraction of the usually air-filled engraving cavities.

Zur Herstellung eines derartigen Eiskörpers mit Gravur im Inneren wird zunächst die zu gravierende, annähernd plane Oberfläche derart angewärmt, daß sie oberflächennaß ist. Dies geschieht bevorzugt mit einer Wärmeplatte.To produce such an ice body with an engraving on the inside, the approximately flat surface to be engraved is first heated in such a way that it is wet with the surface. This is preferably done with a hot plate.

Die eigentliche Gravur muß dann derart ausgeführt werden, daß das Schmelzwasser geeignet entfernt wird. Wahlweise kann die Oberfläche lediglich eines Eiskörpers graviert werden und diese dann auf eine plane, nicht gravierte Oberfläche eines weiteren Eiskörperteils aufgesetzt werden. Es können jedoch auch je eine Oberfläche eines Eiskörpers graviert werden, wobei die dann entstandenen Schriftzüge spiegelsymmetrisch zueinander sind. Hierdurch erbigt sich eine noch bessere dreidimensionale Wirkung, da der Gravurhohlraum ca. das doppelte Volumen wie bei einflächiger Gravur aufweist.The actual engraving must then be carried out in such a way that the melt water is removed appropriately. Optionally, the surface of only one ice body can be engraved and then placed on a flat, non-engraved surface of another ice body part. However, one surface of an ice body can also be engraved, the lettering that is then created being mirror-symmetrical to one another. This inherits an even better three-dimensional effect, since the engraving cavity has approximately twice the volume as with single-surface engraving.

Die noch oberflächennassen, planen Oberflächen der Eiskörperteile werden dann unter Druck zusammengepreßt und unter den Schmelzpunkt des Eiskörpers gekühlt, so daß man einen zusammengesetzten Eiskörper mit in dessen Innerem liegender Gravur in Form eines Hohlraums erhält. Es ist im Zusammenhang mit der vorliegenden Erfindung wesentlich, daß die oberflächennassen Eiskörperteile unter Druck zusammengepreßt werden, da hierdurch vermieden wird, daß Luftblasen zwischen die planen Bereiche außerhalb der Gravurzone gelangen. Solche Luftblasen wurden zum einen Störstellen in dem inneren Zusammenhalt der Eiskörperoberflächen darstellen, die zu Trübeisbildung führen können, und zum anderen kann hier, wenn die erfindungsgemäßen Eiskörper zum Kühlen von Getränken verwendet werden, die Getränkeflüssigkeit in die Interphase zwischen den beiden Eiskörpern eindringen. Dabei können sich unter Umständen auch Kanäle bis hin zu den Gravurenhohlräumen ausbilden, wodurch sich die Gravurhohlräume mit Flüssigkeit füllen und somit ihre Lichtbrechung an die Getränkeflüssigkeit angleichen, so daß der optisch brilliante Eindruck der Gravur verschwinden würde.The still surface-wet, flat surfaces of the ice body parts are then pressed together under pressure and cooled to below the melting point of the ice body, so that a composite ice body with an engraving lying inside is obtained in the form of a cavity. It is essential in the context of the present invention that the surface-wet parts of the ice body are pressed together under pressure, since this prevents air bubbles from getting between the flat areas outside the engraving zone. Such air bubbles would on the one hand represent imperfections in the internal cohesion of the ice body surfaces, which can lead to the formation of cloudy ice, and on the other hand, if the ice bodies according to the invention are used for cooling beverages, the beverage liquid can penetrate into the interphase between the two ice bodies. Under certain circumstances, channels can also form up to the engraving cavities, as a result of which the engraving cavities fill with liquid and thus adjust their refraction of light to the beverage liquid, so that the optically brilliant impression of the engraving would disappear.

Andererseits kann es jedoch auch erwünscht sein, die Gravurhohlräume gezielt mit der sie umgebenden Flüssigkeit in Verbindung treten zu lassen, nämlich dann, wenn man die Gravurhohlräume bspw. mit einer gefärbten Getränkeflüssigkeit füllen möchte. Dies könnte dadurch geschehen, daß die Eiskörper mit innerer Gravur zunächst in eine gefärbte Trinkflüssigkeit gegeben werden, in dem sie sich mit der entsprechend gefärbten Flüssigkeit füllen können, und sodann nach einem kurzen Abspülen in die eigentliche klare Flüssigkeit, z. B. Mineralwasser, die gekühlt werden soll, gegeben werden.On the other hand, however, it may also be desirable to allow the engraving cavities to make specific contact with the liquid surrounding them, namely when the engraving cavities are to be filled with a colored beverage liquid, for example. This could be done in that the ice bodies with an internal engraving are first placed in a colored drinking liquid, in which they can fill with the correspondingly colored liquid, and then after a short rinse in the actual clear liquid, e.g. B. mineral water to be cooled can be given.

Wenn jedoch - was in der Regel der Fall ist - ein hermetisches Verschließen der Gravurhohlräume innerhalb eines Eiskörpers erwünscht ist, so ist es vorteilhaft, die Eiskörper, nachdem man sie unter Druck zusammengepreßt hat, kurz mit Wasser abzuspülen und dann erst abzukühlen, so daß etwaige, an der Interphase zwischen beiden Eiskörpern entstandene Lücken mit Wasser aufgefüllt werden und sich nach weiterem Abkühlen ein einstückiger Eiskörper mit innerer Gravur bildet, wobei dessen Verbindungslinien optisch kaum noch wahrnehmbar sind.However, if - as is usually the case - hermetic sealing of the engraving cavities within an ice body is desired, it is advantageous to remove the ice bodies, after pressing them together under pressure, rinse them briefly with water and then cool them down, so that any gaps that may have formed in the interphase between the two ice bodies are filled with water and, after further cooling, an integral ice body with an internal engraving forms, the connecting lines of which are optical are hardly noticeable anymore.

Derartige Eiskörper mit innerer Gravur können zu den vielfältigsten Dekorations- oder Kühlzwecken verwendet werden.Such ice bodies with an internal engraving can be used for a wide variety of decorative or cooling purposes.

Die Größe derartiger Eiskörper kann dabei von einigen Zentimetern bis hin zu Personengröße oder größer variieren. Bevorzugt werden die Eiskörper der vorliegenden Erfindung jedoch in kleiner Form zum Kühlen von Getränken verwendet.The size of such ice bodies can vary from a few centimeters to person size or larger. However, the ice bodies of the present invention are preferably used in a small form for cooling beverages.

Beispielsweise können solche Kleineiskörper aus Klareis dadurch hergestellt werden, daß man Eisplatten etwa durch Überströmen einer Kühlplatte mit Wasser in Klareistechnik herstellt und die Platte anschließend mit einem erhitzten Drahtgitter in einzelne Eiswürfel zerteilt, deren Oberflächen dann gemäß der vorliegenden Erfindung graviert werden können.For example, such small ice cream bodies can be made from clear ice by making ice sheets, for example by overflowing a cooling plate with water using clear ice technology, and then dividing the sheet into individual ice cubes with a heated wire grid, the surfaces of which can then be engraved in accordance with the present invention.

Über die Dicke der verwendeten Eisgrundplatten sowie über die Gitterkonstante des Drahtgitternetzes lassen sich die Dimensionen der Eiskörper in nahezu beliebiger Form verändern.The dimensions of the ice bodies can be changed in almost any shape using the thickness of the ice base plates used and the lattice constant of the wire mesh.

Die Unteransprüche weisen bevorzugte Ausführungsformen der vorliegenden Erfindung auf.The subclaims have preferred embodiments of the present invention.

Weitere Vorteile und Merkmale der vorliegenden Erfindung ergeben sich aufgrund der Beschreibung eines Ausführungsbeispiels sowie anhand der Zeichnung.Further advantages and features of the present invention result from the description of an exemplary embodiment and from the drawing.

Es zeigt:

Fig. 1
zwei Eiskörper, bei denen je eine Oberfläche graviert ist, in perspektivischer Darstellung; und
Fig. 2
einen Eiskörper, der eine Gravur im Inneren aufweist, ebenfalls in perspektivischer Darstellung.
It shows:
Fig. 1
two ice bodies, each with a surface engraved, in perspective; and
Fig. 2
an ice body, which has an engraving inside, also in perspective.

In Fig. 1 ist mit 1 ein Eiskörperteil bezeichnet, dessen Oberfläche 2 mit einer Gravur 3 versehen wurde. Entsprechende Teile des in Fig. 1 dem Eiskörperteil 1 gegenüberliegenden Eiskörpers werden mit denselben Bezugszeichen bezeichnet, jedoch mit einem ' versehen.In Fig. 1, 1 denotes an ice body part, the surface 2 of which has been provided with an engraving 3. Corresponding parts of the ice body part opposite the ice body part 1 in FIG. 1 are designated with the same reference numerals, but provided with a '.

Zur Herstellung eines Eiskörpers 4 mit einer Gravur 3 im Inneren des Eiskörpers 4 werden zwei Eiskörperteile 1 und 1' hergestellt. Deren zu gravierende Oberflächen werden mittels einer Heizplatte derart angewärmt, daß sie oberflächennaß sind.To produce an ice body 4 with an engraving 3 inside the ice body 4, two ice body parts 1 and 1 'are produced. The surfaces to be engraved are heated by means of a hot plate in such a way that they are wet on the surface.

Dann wird jede Oberfläche mit einem stempelartigen Werkzeug graviert, dessen Prägebereich reliefförmige Gravurelemente aus Metall aufweist, die hinsichtlich ihrer Ausbildung in spiegelbildlicher Beziehung zu dem zu gravierenden Schriftzug "EIS" stehen. Die Gravurelemente - im Beispielsfalle Buchstaben - werden auf eine über der Schmelztemperatur der Eiskörperteile 1, 1' liegende Temperatur erwärmt, wobei vorzugsweise die ans Eis abfließende Wärmemenge gerade durch ein Nachheizen der Gravurelemente ausgeglichen wird, so daß die Gravurelemente auch während der Gravur im wesentlichen eine konstante Temperatur aufweisen. Dies wird vorzugsweise mittels einer elektronischen Regelung erreicht.Then each surface is engraved with a stamp-like tool, the embossing area of which has relief-shaped engraving elements made of metal which, in terms of their design, are in mirror image relation to the lettering "EIS" to be engraved. The engraving elements - in the example, letters - are heated to a temperature above the melting temperature of the ice body parts 1, 1 ', the amount of heat flowing off the ice preferably being compensated for by reheating the engraving elements, so that the engraving elements essentially remain one even during engraving have constant temperature. This is preferably achieved by means of electronic regulation.

Die Gravurelemente werden so lange mit den zu gravierenden Oberflächen 2, 2' in Kontakt gebracht, bis die Gravur die gewünschte Eindringtiefe in die Oberfläche des Eiskörpers aufweist. Bei Bedarf kann die Gravur auch mehrfach wiederholt werden, bis die gewünschte Eindringtiefe erreicht ist.The engraving elements are brought into contact with the surfaces 2, 2 'to be engraved until the engraving has the desired depth of penetration into the surface of the ice body having. If necessary, the engraving can be repeated several times until the desired penetration depth is reached.

Die noch oberflächennassen planen Oberflächen 2, 2' der Eiskörperteile 1, 1' können unter Druck zusammengepreßt werden, jedoch ist es im Beispielsfalle bevorzugt, die Eiskörperteile 1, 1' zunächst unter Preßdruck in Richtung der unter Fig. 1 gezeigten Pfeile derart aufeinander zu legen, daß die Kante 5' des Eiskörperteils 1' zunächst an der Kante 6 des Eiskörperteils 1 angelegt wird und dann der Eiskörper 1' unter gleitender Bewegung antiparallel derart unter Preßkraft auf der Oberfläche 2 des Eiskörperteils 1 geschoben wird, daß schließlich die Kanten 5 und 5' und die Kanten 6 und 6' aufeinander zu liegen kommen. Dies hat den Vorteil, daß durch die Gleitbewegung auf den nassen Oberflächen 2 und 2' nahezu sämtliche Lufteinschlüsse zwischen den Oberflächen 2 und 2' vermieden werden können, so daß hier keinerlei Lücken entstehen können, durch welche dann Getränkeflüssigkeit eindringen kann und die optische Prägnanz und Brillianz der Gravur 3 stören kann.The surface 2, 2 'of the ice body parts 1, 1', which are still wet on the surface, can be pressed together under pressure, but in the example it is preferred to place the ice body parts 1, 1 'on top of each other in this way under pressure in the direction of the arrows shown in FIG. 1 that the edge 5 'of the ice body part 1' is first placed on the edge 6 of the ice body part 1 and then the ice body 1 'is pushed antiparallel under sliding force under such pressure on the surface 2 of the ice body part 1 that finally the edges 5 and 5 'and the edges 6 and 6' come to lie on one another. This has the advantage that almost all air inclusions between the surfaces 2 and 2 'can be avoided by the sliding movement on the wet surfaces 2 and 2', so that no gaps can arise here, through which beverage liquid can then penetrate and the optical conciseness and Brilliance of engraving 3 can disrupt.

Aufgrund der im Beispielsfalle ausgeführten Doppelgravur der Oberflächen 2 und 2' entsteht somit eine quasi dreidimensionale Gravur im Inneren eines Eiskörpers 4.Due to the double engraving of the surfaces 2 and 2 'carried out in the example, a quasi three-dimensional engraving is thus created in the interior of an ice body 4.

Ein besonderes Problem bereitet die Schmelzwasserentfernung, da dieses Schmelzwasser bei zu lange andauernder Einwirkung die Scharfkantigkeit der Gravurkonturen störend beeinträchtigt. Dieses Schmelzwasser wird daher bevorzugt durch Absaugen entfernt.Melting water removal poses a particular problem, since this melting water interferes with the sharp edges of the engraving contours if the effect is too long. This melt water is therefore preferably removed by suction.

Darüber hinaus ist besonders vorteilhaft, zum Entfernen des Schmelzwassers bereits während des Gravierens das Gravierwerkzeug entgegen der Schwerkraft gegen die zu gravierenden Oberflächen 2, 2' zu führen, oder die zu gravierenden Oberflächen 2, 2' in Richtung der Schwerkraft auf das Gravierwerkzeug zu drücken, so daß das Schmelzwasser ständig in Richtung der Schwerkraft ablaufen kann.In addition, to remove the melt water, it is already advantageous to guide the engraving tool against gravity against the surfaces 2, 2 'to be engraved, or the surfaces 2, 2' to be engraved onto the engraving tool in the direction of gravity to be pressed so that the melt water can run off in the direction of gravity.

Die zu gravierenden Eiskörper 4 weisen besonders bevorzugt Temperaturen von ca. -9°C bis 0°C auf.The ice bodies 4 to be engraved particularly preferably have temperatures of approximately -9 ° C. to 0 ° C.

Eiskörperteile 1, 1' mit tieferen Temperaturen als ca. -10°C zu verwenden ist ungünstig, da während der Gravur mit einem heißen Werkzeug Risse oder Sprünge auftreten können.Using ice body parts 1, 1 'with temperatures lower than approx. -10 ° C is disadvantageous, since cracks or cracks can occur during engraving with a hot tool.

Somit steht mit dem erfindungsgemäßen Verfahren ein Eiskörper 4 zur Verfügung, der aufgrund seiner Bildung aus Klareis einen in seinem Inneren befindlichen Schriftzug - im Beispielsfalle "EIS" - trägt. Dieser Schriftzug hat aufgrund seiner Füllung mit Luft einen anderen Brechungsindex als das ihn umgebende Eis und weist deshalb einen ausgezeichneten Kontrast zu dem Eis selbst auf, wie auch zu der den Eiskörper 4 umgebenden Getränkeflüssigkeit.Thus, with the method according to the invention, an ice body 4 is available which, owing to its formation from clear ice, bears a lettering located in its interior - in the example "EIS". Due to its filling with air, this lettering has a different refractive index than the ice surrounding it and therefore has an excellent contrast to the ice itself as well as to the beverage liquid surrounding the ice body 4.

Solche Eiskörper können besonders vorteilhaft zum dekorativen Kühlen von Speisen und Getränken verwendet werden.Such ice bodies can be used particularly advantageously for decorative cooling of food and beverages.

Claims (8)

  1. A method of applying engravings to a surface of an ice body, more particularly a transparent ice body, wherein
    a tool after the style of a punch is used for the engraving, the embossing zone of the tool having relief-like engraving elements which, in respect of their construction, are in mirror symmetry relationship to the characters to be engraved;
    the engraving elements are heated to a temperature above the melting temperature of the ice body;
    the heated engraving elements are brought into contact with the surface of the ice body so that the surface thereof melts away substantially in the area of the engraving elements;
    the melted ice is removed by moving the engraving tool in opposition to the force of gravity towards the surface for engraving or else the surface for engraving is pressed on to the tool in the direction of the force of gravity so that the melted ice can run away in the direction of the force of gravity; and
    the bringing-into-contact is continued until the engraving has the required depth of penetration into the surface of the ice body.
  2. A method of applying engravings to a surface of an ice body, more particularly a transparent ice body, wherein
    a tool after the style of a punch is used for the engraving, the embossing zone of the tool having relief-like engraving elements which, in respect of their construction, are in mirror symmetry relationship to the characters to be engraved;
    the engraving elements are heated to a temperature above the melting temperature of the ice body;
    the heated engraving elements are brought into contact with the surface of the ice body so that the surface thereof melts away substantially in the area of the engraving elements;
    the residual melted ice remaining by adhesion in the engraving recesses is removed by blowing it away with cold air or by suction extraction; and
    the bringing-into-contact is continued until the engraving has the required depth of penetration into the surface of the ice body.
  3. A method of making an ice body, more particularly an ice body of transparent ice, having at least one engraving inside the ice body, wherein
    at least two ice body parts are made which each at least have an approximately flat surface and which more particularly are so heated as to be surface-wet;
    a tool after the style of a punch is used for the engraving of such surface, the embossing zone of the tool having relief-like engraving elements which, in respect of their construction, are in mirror symmetry relationship to the characters to be engraved;
    the engraving elements are heated to a temperature above the melting temperature of the ice body part;
    the heated engraving elements are brought into contact with the flat surface of at least one ice body part so that the surface thereof melts away substantially in the area of the engraving elements and the melted ice is removed;
    the bringing-into-contact is continued until the engraving has the required depth of penetration into the surface of the ice body, and
    the surface-wet flat surfaces of the ice body parts are compressed under pressure and cooled below the melting point of the ice body so that an assembled ice body is obtained with an engraving in its interior in the form of a cavity.
  4. A method according to claim 1, 2 or 3, characterised in that engraving elements are used which represent pictorial elements and/or characters, more particularly the letters of the Roman alphabet.
  5. A method according to any one of the preceding claims, characterised in that the ice bodies used for engraving have a temperature of about -10°C to +2°C, preferably -9°C to 0°C.
  6. A method according to any one of the preceding claims, characterised in that after engraving the ice body is reshaped at its outer surface.
  7. A method according to any one of the preceding claims, characterised in that the temperature of the engraving elements during engraving is kept approximately constant by an electronic control means.
  8. A method according to claim 3, characterised in that the step of compressing the engraved ice body parts or an engraved and an unengraved ice body part is replaced by anti-parallel pushing together of the ice body parts, a pressing pressure being simultaneously exerted in the direction of the normal to the engraved surface.
EP92919168A 1991-09-10 1992-09-09 Process for applying engravings on the surface of an ice body, in particular a transparent ice body, Expired - Lifetime EP0603258B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4130055 1991-09-10
DE4130055A DE4130055A1 (en) 1991-09-10 1991-09-10 METHOD FOR APPLYING ENGRAVINGS TO A SURFACE OF AN ICE BODY, IN PARTICULAR SUCH OF CLEAR ICE, AND ICE BODY WITH ENGRAVING
PCT/DE1992/000766 WO1993004591A2 (en) 1991-09-10 1992-09-09 Process for applying engravings on the surface of an ice body, in particular a transparent ice body, and engraved ice body

Publications (2)

Publication Number Publication Date
EP0603258A1 EP0603258A1 (en) 1994-06-29
EP0603258B1 true EP0603258B1 (en) 1997-06-11

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Application Number Title Priority Date Filing Date
EP92919168A Expired - Lifetime EP0603258B1 (en) 1991-09-10 1992-09-09 Process for applying engravings on the surface of an ice body, in particular a transparent ice body,

Country Status (8)

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US (1) US5431024A (en)
EP (1) EP0603258B1 (en)
JP (1) JP3207856B2 (en)
AT (1) ATE154199T1 (en)
DE (2) DE4130055A1 (en)
DK (1) DK0603258T3 (en)
ES (1) ES2104942T3 (en)
WO (1) WO1993004591A2 (en)

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DE19538026A1 (en) * 1995-10-12 1997-04-17 Josef Hobelsberger Device for producing pieces of ice
DE19723184B4 (en) * 1997-06-03 2006-01-12 Hell Gravure Systems Gmbh Method for operating an engraving element
WO2002052944A1 (en) * 2001-01-04 2002-07-11 Societe Des Produits Nestle S.A. Embossing method and device for frozen food products
DE10118178C2 (en) * 2001-04-11 2003-05-08 Draexlmaier Lisa Gmbh Composite trim and process for its manufacture
US20080290065A1 (en) * 2005-05-25 2008-11-27 Ck Smart, Llc Laser Ice Etching System and Method
ES2340830B1 (en) * 2009-09-18 2011-06-08 Antonio Javier Barrero Lopez ADVERTISING AND CORPORATE SUPPORT IN ICE CUBES.
FR2967016B1 (en) * 2010-11-08 2012-12-07 Commissariat Energie Atomique METHOD FOR PRODUCING A PIECE CONTAINING A COATED PATTERN WHOSE DIMENSIONS ARE MOST MICROMETRICAL, AND PIECE SO OBTAINED
US20140047859A1 (en) * 2012-08-14 2014-02-20 Kyle E. E. Schwulst System For Forming Frozen Liquids
US9163867B2 (en) 2012-12-14 2015-10-20 Whirlpool Corporation Ice cube shape manipulation via heat

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US1429405A (en) * 1922-01-31 1922-09-19 Floyd R Carter Ice-cream-brick center punch
US1928067A (en) * 1931-08-27 1933-09-26 Frank A Martoccio Method of embossing sugary substances
DE800357C (en) * 1949-03-16 1950-10-30 Friedrich Munz Tool for embossing and decorating baked goods and sweets
US2514942A (en) * 1949-08-01 1950-07-11 Elmer F Eaton Personalized ice cube molder
US2703964A (en) * 1950-07-01 1955-03-15 Carrier Corp Ice cube
GB831028A (en) * 1957-06-22 1960-03-23 Maurice Wainwright Helliwell Machine for embossing material and colouring embossed surfaces thereof
US3640081A (en) * 1969-04-02 1972-02-08 Olin Mathieson Hollow spherical ice bodies and method of making the same
CA1226450A (en) * 1983-07-29 1987-09-08 Gregory S. Degaynor Ice bowl freezing apparatus
US4625518A (en) * 1985-07-09 1986-12-02 Freedman Saul E Ice mug
US4990169A (en) * 1988-11-14 1991-02-05 Broad Research Ice making method and/or apparatus
JPH03125874A (en) * 1989-10-06 1991-05-29 Katsuzou Somura Wine-sealing ice and manufacture thereof

Also Published As

Publication number Publication date
ATE154199T1 (en) 1997-06-15
EP0603258A1 (en) 1994-06-29
DE59208614D1 (en) 1997-07-17
JPH07501279A (en) 1995-02-09
DE4130055A1 (en) 1993-03-11
US5431024A (en) 1995-07-11
DK0603258T3 (en) 1997-12-29
WO1993004591A2 (en) 1993-03-18
WO1993004591A3 (en) 1993-04-15
JP3207856B2 (en) 2001-09-10
ES2104942T3 (en) 1997-10-16

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