EP3890856B1 - Verfahren zum giessen eines gelobjekts - Google Patents

Verfahren zum giessen eines gelobjekts Download PDF

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Publication number
EP3890856B1
EP3890856B1 EP18830730.0A EP18830730A EP3890856B1 EP 3890856 B1 EP3890856 B1 EP 3890856B1 EP 18830730 A EP18830730 A EP 18830730A EP 3890856 B1 EP3890856 B1 EP 3890856B1
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European Patent Office
Prior art keywords
casting mould
gel
compositions
aqueous
volume
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EP18830730.0A
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English (en)
French (fr)
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EP3890856A1 (de
Inventor
Shiu Chung POON
Martinus Cornelis SJOERS
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Five Stars HK Ltd
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Five Stars HK Ltd
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/001—Toy-moulding appliances; Toy moulding

Definitions

  • the invention relates to a method for casting a gel object, a casting gel composition, kit of parts thereof, and a casting mould for casting a gel object.
  • kit-of-parts it is an aspect of the invention to provide an alternative casting method, kit-of-parts and casting mould.
  • a children's paly assembly of kit-of-parts which preferably further at least partly obviates one or more of above-described drawbacks.
  • the design of the casting mould in combination with specific casting gels allows creation of for instance multi-coloured objects.
  • the compositions can be provided in such a way that they gel or form a gel fast, providing a food-grade or almost gel object. This provides a good play and educational experience for children.
  • the special mould allows creative combining of colours, and teaches thinking in process steps.
  • a water-soluble alginate is used.
  • sodium alginate is used as one of the gelling compounds.
  • Other, preferably child-save and for instance food-save alginates can be used, and that are known to a skilled person to have comparable properties.
  • Sodium alginate is relatively cheap, and safe to use.
  • sodium alginate is a salt from alginic acid, also called algin or alginate.
  • Alginic acid is a linear copolymer with homopolymeric blocks of (1-4)-linked ⁇ -D-mannuronate (M) and its C-5 epimer ⁇ -L-guluronate (G) residues, respectively, covalently linked together in different sequences or blocks.
  • the monomers can appear in homopolymeric blocks of consecutive G-residues (G-blocks), consecutive M-residues (M-blocks) or alternating M and G-residues (MG-blocks).
  • Alginates are often refined from brown seaweeds.
  • brown seaweeds of the class Phaeophyceae are harvested throughout the world to be converted into the raw material commonly known as sodium alginate
  • this is provided in an aqueous composition, in particular in combination with a colorant like a dye, a pigment, or a combination thereof.
  • Example, non-limiting, of possible colorants are: Pigment blue 15 ( CAS no. 147-14-8 ), Pigment Green 7 ( CAS no. 1328-53-6 ), Pigment Yellow 14 ( CAS no. 5468-75-7 ), Pigment Yellow 23 ( CAS no. 1934-21-0 ), Pigment Violet 23 ( CAS no. 6358-30-1 ), Pigment Red 48 ( CAS no. 3564-21-4 ), Pigment Red 170 ( CAS no. 5858-81-1 ), Pigment Orange 13 ( CAS no. 3520-72-7 ). These colorants are usually added in weight percentages of between 0.2-1.0. In an embodiment, these are used in amounts of between 0.25-0.85 on weight.
  • the colorant can also be or comprise a pigment, like for instance titanium dioxide (CAS no. 13463-67-7 ). Titanium dioxide and similar pigments are usually applied in percentage on weight of between 0.1-0.01. In an embodiment, these are used in quantities of between 0.05 and 0.015 on weight. Other, similar pigments can be used, either in natural form of treated in order to be compatible with the further composition in which they are used.
  • a pigment like for instance titanium dioxide (CAS no. 13463-67-7 ). Titanium dioxide and similar pigments are usually applied in percentage on weight of between 0.1-0.01. In an embodiment, these are used in quantities of between 0.05 and 0.015 on weight. Other, similar pigments can be used, either in natural form of treated in order to be compatible with the further composition in which they are used.
  • additives may be added for compatibility, or as preservatives, like for instance sodium benzoate, methylparaben, or similar substances that are known to a skilled person. These are used in quantities known to a skilled person, and in compliance with legislation of children's toys, and possibly food regulations.
  • the gel-forming composition is provided as basically two compounds which, when brought into contact producing a gel, in particular an aqua gel.
  • One of these two compounds is provided in various compositions, each having a different colour, and one can be colourless. These compounds are provided as a kit of parts.
  • the at least two gel-forming compositions have different colours, in particular including colourless one colourless gel-forming composition.
  • providing said at least two gel-forming compositions comprises providing:
  • the casting mould comprises a series of second casting mould sub volumes that are each separated from said first casting mould sub volume via a said separating wall.
  • the casting mould sub volumes each comprise a casting mould sub volume floor, wherein in particular said a casting mould sub volume floors is raised a maximum of 20 % of the outer wall height with respect to a neighbouring sub volume floor.
  • At least one sub volume comprises an indent or hole, in particular having a depth of between 1-0.25 times the separating wall height.
  • the casting mould has a ratio of casting mould diameter to casting mould outer wall height of between 1:1 to 20:1, and a ratio of casting mould outer wall height to separating wall height of between 3:1 to 3:2.
  • the casting mould diameter is between 3 and 15 cm, in particular between 5 and 9 cm.
  • the at least two first aqueous compositions each comprises at least one colouring agent providing said two first aqueous compositions with a visually different colour.
  • the at least two first aqueous compositions are partially gelled, in particular said at least two first aqueous compositions are each provided in a tube and gelled such that they need to be pressed out of their tube by mild pressure, for instance by hand.
  • substantially herein, such as in “substantially consists”, will be understood by the person skilled in the art.
  • the term “substantially” may also include embodiments with “entirely”, “completely”, “all”, etc. Hence, in embodiments the adjective substantially may also be removed.
  • the term “substantially” may also relate to 90% or higher, such as 95% or higher, especially 99% or higher, even more especially 99.5% or higher, including 100%.
  • the term “comprise” includes also embodiments wherein the term “comprises” means "consists of'.
  • the term “functionally” is intended to cover variations in the feature to which it refers, and which variations are such that in the functional use of the feature, possibly in combination with other features it relates to in the invention, that combination of features is able to operate or function. For instance, if an antenna is functionally coupled or functionally connected to a communication device, received electromagnetic signals that are receives by the antenna can be used by the communication device.
  • the word “functionally” as for instance used in “functionally parallel” is used to cover exactly parallel, but also the embodiments that are covered by the word “substantially” explained above.
  • “functionally parallel” relates to embodiments that in operation function as if the parts are for instance parallel. This covers embodiments for which it is clear to a skilled person that it operates within its intended field of use as if it were parallel.
  • the invention further applies to an apparatus or device comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
  • the invention further pertains to a method or process comprising one or more of the characterising features described in the description and/or shown in the attached drawings.
  • Figure 1 schematically depicts a casting mould 1.
  • the casting mould 1 is surrounded by an outer casting mould wall 4 around the complete casting mould 1, defining a casting mould volume.
  • the casting mould 1 has a volume defined by the outer wall 4 that is divided into a first (here main) casting mould sub volume 2.
  • the casting mould 1 further comprises in this example various second casting mould sub volumes 3.
  • the first casting mould sub volume 2 has a first casting mould sub volume floor 5.
  • the second casting mould sub volumes 3 each have a second casting mould sub volume floor 7.
  • the casting mould floor 5 and the casting mould sub volumes floors are substantially at a same level. Differences in level of neighbouring sub volumes floors are less than 10% of an outer wall height H.
  • the casting mould outer wall 4 extends to a casting mould outer wall height H above the first casting mould sub volume floor.
  • the first sub volume 2 and the second sub volumes 3 are separated from one another by a separating wall having a separating wall height S.
  • the casting mould 1 can be between 2 and 15 cm at its largest diameter. Often, the mould is about 5-10 cm at its largest diameter.
  • the casting mould outer wall 4 has a first outer casting mould wall height of between 2 and 10 mm (with respect to its floor). In the embodiment of 5-10 cm, the height will be about 3-6 mm.
  • the separating wall 6 has a separating wall height S of between about 1-4 mm. Usually it is between 35%-65% of the casting mould outer wall height.
  • the first separating wall height S is between 45% and 55 % of the indicated height range of 3-6 mm.
  • the indicated indents 8 usually have a indent depth D with respect to the respective casting mould sub volume floor that is comparable to the separating wall height.
  • the indent depth D for the illustrated example dimensions will be between 1 and 3 mm.
  • the indents 8 and casting mould sub volumes 3 are filled with an amount of gel-forming composition in different or identical colours (or even colourless..).
  • the first casting mould volume 2 is filled with a different colour of gel-forming composition.
  • the casting mould is first filled with different sodium alginate-comprising compositions, and the filled casting mould is subsequently contacted with a gel-inducing composition, for instance a calcium chloride comprising aqueous solution.
  • a gel-inducing composition for instance a calcium chloride comprising aqueous solution.
  • the gel object can be removed from the casting mould.
  • the result is a multi-coloured gel object 10.
  • the gel object 10 has a main body 11 formed in the first casting mould sub volume 2.
  • the gel object 10 further has sub bodies 12 that are attached to the main body 11 and that are formed in the second casting mould sub volumes 3.
  • the gel object con further have parches 13 that are formed in the indents 8.
  • a sparkling gel object can for instance be made.
  • the gel object is one single object.
  • the colorant can for instance comprise: Pigment blue 15 ( CAS no. 147-14-8 ), Pigment Green 7 ( CAS no. 1328-53-6 ), Pigment Yellow 14 ( CAS no. 5468-75-7 ), Pigment Yellow 23 ( CAS no. 1934-21-0 ), Pigment Violet 23 ( CAS no. 6358-30-1 ), Pigment Red 48 ( CAS no. 3564-21-4 ), Pigment Red 170 ( CAS no. 5858-81-1 ), Pigment Orange 13 ( CAS no. 3520-72-7 ). These colorants are usually added in weight percentages of between 0.2-1.0. In an embodiment, these are used in amounts of between 0.25-0.85 om weight.
  • Titanium dioxide and similar pigments are usually applied in percentage on weight of between 0.1-0.01. In an embodiment, these are used in quantities of between 0.05 and 0.015 on weight.
  • Component 2 is in an embodiment provided in a form indicated above. In use. a few drops of component 2 is added to for instance regular tap water. This solution is subsequently provided for gelling the first component.
  • component 1 and component 2 are provided in a kit-of-parts.
  • Component 1 is for instance the aqueous composition provided in various colours in tubes.
  • the component 2 is provided in the illustrated, concentrated form in for instance a small bottle.
  • a measuring cup or bowl can be provided with an indication of the amount of component 2 and the required amount of (regular tap) water. The cup or bowl is dimensioned to properly holed a filled casting mould.

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  • Cosmetics (AREA)

Claims (12)

  1. Verfahren zum Gießen eines Gelobjekts, umfassend das Bereitstellen von:
    - mindestens zwei gelbildende Zusammensetzungen und
    - eine Gussform, wobei die Gussform eine Gussformaußenwand mit einer Gussformaußenwandhöhe aufweist und ein Gussformvolumen umschließt, wobei das Gussformvolumen in ein erstes Gussformuntervolumen unterteilt ist, das von mindestens einer zweiten Gussform getrennt ist Teilvolumen durch eine Trennwand mit einer Trennwandhöhe, die geringer ist als die Außenwandhöhe der Gießform,
    wobei das Verfahren weiterhin umfasst:
    - Füllen des mindestens einen zweiten Gussform-Untervolumens mit einer ersten der mindestens zwei gelbildenden Zusammensetzungen;
    - Füllen des ersten Gussform-Untervolumens mit einer zweiten der mindestens zwei gelbildenden Zusammensetzungen und
    - Zulassen, dass sich die gelbildenden Zusammensetzungen zu einem Gel formen, wodurch ein Gelgegenstand bereitgestellt wird, der einen Hauptkörper der zweiten der mindestens zwei gelbildenden Zusammensetzungen und mindestens einen verbundenen Unterkörper der ersten der mindestens zwei gelbildenden Zusammensetzungen umfasst.
  2. Verfahren nach Anspruch 1, wobei die mindestens zwei gelbildenden Zusammensetzungen unterschiedliche Farben haben, insbesondere einschließlich einer farblosen gelbildenden Zusammensetzung.
  3. Verfahren nach Anspruch 1 oder 2, wobei die mindestens zwei gelbildenden Mittel bereitgestellt werden
    Zusammensetzungen, die Folgendes umfassen:
    - mindestens zwei erste wässrige Zusammensetzungen, die ein wasserlösliches Salz einer Alginsäure und mindestens einen ersten und zweiten Farbstoff umfassen;
    - eine zweite wässrige Zusammensetzung, die mindestens 0,5-10 Gew.-% Calciumchlorid enthält und
    - Kontaktieren der mindestens zwei ersten wässrigen Zusammensetzungen und der zweiten wässrigen Zusammensetzung.
  4. Verfahren nach Anspruch 3, weiterhin umfassend:
    - Füllen des mindestens einen zweiten Gussform-Untervolumens mit einer ersten der ersten wässrigen Lösung;
    - Füllen des ersten Gussform-Untervolumens mit einer zweiten der ersten wässrigen Lösung und
    - Inkontaktbringen der ersten wässrigen Lösungen in der Gussform mit der zweiten wässrigen Lösung.
  5. Ein Kit-of-parts umfassend:
    - mindestens eine Gussform, die eine Gussformaußenwand mit einer Gussformaußenwandhöhe aufweist und ein Gussformvolumen umschließt, wobei das Gussformvolumen in ein erstes Gussformuntervolumen unterteilt ist, das von mindestens einem zweiten Gussformuntervolumen durch eine Trennwand getrennt ist Wand mit einer Trennwandhöhe, die niedriger ist als die Außenwandhöhe der Gießform;
    - mindestens zwei erste wässrige Zusammensetzungen enthaltend ein wasserlösliches Alginat, insbesondere Natriumalginat, in einer Menge zwischen 1 und 4 Gew.-%. und mindestens eine der mindestens zwei ersten wässrigen Zusammensetzungen umfasst ein Färbemittel, wobei die mindestens zwei ersten wässrigen Zusammensetzungen in einem jeweiligen ersten und zweiten Behälter bereitgestellt werden;
    - eine zweite wässrige Zusammensetzung, die eine gelierende Verbindung, insbesondere Calciumchlorid, umfasst, wobei die zweite wässrige Zusammensetzung eine Menge zwischen 5 und 10 Gew.-% umfasst. Calciumchlorid und wird in einem weiteren Behälter bereitgestellt.
  6. Kit-of-parts nach Anspruch 5, wobei die mindestens zwei ersten wässrigen Zusammensetzungen jeweils mindestens ein Färbemittel umfassen, das den beiden ersten wässrigen Zusammensetzungen eine optisch unterschiedliche Farbe verleiht.
  7. Kit-of-parts nach Ansprüche 5 oder 6, wobei die mindestens zwei ersten wässrigen Zusammensetzungen teilweise geliert sind, insbesondere werden die mindestens zwei ersten wässrigen Zusammensetzungen jeweils in einer Tube bereitgestellt und so geliert, dass sie durch leichten Druck, beispielsweise von Hand, aus ihrer Tube gedrückt werden müssen.
  8. Kit-of-parts nach eine der Ansprüche 5-7, umfassend eine Reihe zweiter Gussformuntervolumen, die jeweils über eine Trennwand von dem ersten Gussformuntervolumen getrennt sind.
  9. Kit-of-parts nach eine der Ansprüche 5-8, wobei die Gussformuntervolumen jeweils einen Gussformuntervolumenboden umfassen, wobei insbesondere der Gussformuntervolumenboden um maximal 20 % der Außenwandhöhe in Bezug auf a erhöht ist anliegenden Untervolumenboden.
  10. Kit-of-parts nach eine der Ansprüche 5-9, wobei mindestens ein Teilvolumen eine Vertiefung oder ein Loch umfasst, insbesondere mit einer Tiefe zwischen dem 1-0,25-fachen der Trennwandhöhe.
  11. Kit-of-parts nach eine der Ansprüche 5-10, wobei die Gussform ein Verhältnis von Gussformdurchmesser zu Gussformaußenwandhöhe zwischen 1:1 und 20:1 und ein Verhältnis von Gussformaußenwandhöhe zu Trennwandhöhe von aufweist zwischen 3:1 und 3:2.
  12. Kit-of-parts nach eine der Ansprüche 5-11, wobei der Gießformdurchmesser zwischen 3 und 15 cm, insbesondere zwischen 5 und 9 cm, beträgt.
EP18830730.0A 2018-12-03 2018-12-03 Verfahren zum giessen eines gelobjekts Active EP3890856B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/083391 WO2020114574A1 (en) 2018-12-03 2018-12-03 Method for casting a gel object

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EP3890856A1 EP3890856A1 (de) 2021-10-13
EP3890856B1 true EP3890856B1 (de) 2024-04-10

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110280028A (zh) * 2019-03-25 2019-09-27 中山市壹百分儿童产品有限公司 一种制作水凝胶玩具的模具及快速凝结水凝胶的方法
EP3744495A1 (de) * 2019-05-29 2020-12-02 Top Twence B.V. Verfahren zum giessen eines gelobjekts und spielvorrichtung und verfahren zur herstellung der spielvorrichtung unter verwendung eines gelobjekts

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975480A (en) * 1974-10-24 1976-08-17 Ben Walters Method of making ornamental plastic articles
US4299790A (en) * 1979-12-18 1981-11-10 Greenberg Allen A Method and composition for forming a plaster object
US4466937A (en) * 1981-10-08 1984-08-21 Wessex Mosaic Studies Ltd. Production of Venetian mosaic surfaces
US4610620A (en) * 1984-09-20 1986-09-09 Ex-Cell-O Corporation Apparatus for molding plural colored plastic hollow shells
JP2001520518A (ja) * 1997-04-22 2001-10-30 ジャーマンタウン インターナショナル リミティド 粒状ゲルを含む食用組成物
US20080241312A1 (en) * 2007-03-30 2008-10-02 Hamilton Thomas P Modeling compound display toys and methods

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EP3890856A1 (de) 2021-10-13

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