EP1621097A1 - Verfahren zur Herstellung von Schmuckstücken und mit diesem Verfahren hergestellte Schmuckstücke - Google Patents

Verfahren zur Herstellung von Schmuckstücken und mit diesem Verfahren hergestellte Schmuckstücke Download PDF

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Publication number
EP1621097A1
EP1621097A1 EP05380152A EP05380152A EP1621097A1 EP 1621097 A1 EP1621097 A1 EP 1621097A1 EP 05380152 A EP05380152 A EP 05380152A EP 05380152 A EP05380152 A EP 05380152A EP 1621097 A1 EP1621097 A1 EP 1621097A1
Authority
EP
European Patent Office
Prior art keywords
resin
piece
jewellery
precious metal
opening
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.)
Withdrawn
Application number
EP05380152A
Other languages
English (en)
French (fr)
Inventor
Enrique Fernandez Gil
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Clemente Navarro Fabregat SA
Original Assignee
Clemente Navarro Fabregat SA
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 Clemente Navarro Fabregat SA filed Critical Clemente Navarro Fabregat SA
Publication of EP1621097A1 publication Critical patent/EP1621097A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • A44C27/001—Materials for manufacturing jewellery
    • A44C27/005—Coating layers for jewellery
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49588—Jewelry or locket making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49588—Jewelry or locket making
    • Y10T29/4959—Human adornment device making
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49588—Jewelry or locket making
    • Y10T29/49597—Ornamental stock making

Definitions

  • the present invention refers to an electro-forming process to make pieces of jewellery such as rings, earrings, bracelets, brooches and bracelets, mainly based on noble metals.
  • the object of the invention is that the procedure provides a piece that is internally reinforced and of greater weight than a hollow piece but less than that of a solid piece with an attractive finish without the need for surface incrustations or enamelling by using a filler material consisting of a resin that reduces the amount of metal, reducing costs.
  • An additional object of the invention is that the piece of jewellery thus obtained combines the noble metal and the ornamentation provided by the resin on its surface.
  • Invention patent ES 2 159 881 refers to a procedure for setting stones onto the surface of a piece of jewellery made by electro-forming, involving the making of a base containing housings with cavities for the stones. A protective layer is deposited onto this base and then a thin layer of gold; the stones are then set in the above mentioned cavities with the provision for a second, thicker layer of gold via holes in these cavities. Finally, the base and protective layer can be extracted or eliminated.
  • Invention patent ES 489 841 is also notable: this refers to a procedure for manufacturing pieces of jewellery in which in an initial phase a solid metal piece is made with the shape of the final piece. A mould of flexible and elastic material is then made from this solid piece. A material with a low melting point, for example, wax, is then placed into this mould to give a solid core and this is then covered by precious metal using electro-plating. The piece is then heated to a temperature above that of the melting point of the core material but below that of the precious metal until the core, in liquid state, is expelled via the opening through which it was introduced; this opening is then soldered closed.
  • the present invention refers to a procedure for manufacturing pieces of jewellery that, using a series of stages that are common to other procedures, differs significantly in the fact that it uses a transparent or coloured resin which is injected into the piece and integrates with the layer of precious metal, forming its ornamentation without the need to set stones.
  • the procedure is performed according to different steps that start with the initial forming of a solid piece of any material with a flat or ornamentally embossed surface.
  • a mould of flexible and elastic material is then made whose internal shape and dimensions match those of the piece made in the initial stage.
  • This mould is used for manufacturing, using techniques known as electro-forming, of a base series of models based on an alloy of metals with a low melting point.
  • the base model is coated entirely by a galvanic procedure with one or more layers of precious metal until it has the required thickness.
  • the base model is then heated until the metal alloy melts and flows out as a liquid through a breather hole, leaving a hollow piece comprising the precious metal only.
  • the procedure in this invention stands out fundamentally because after this phase, the entire interior of the hollow piece is filled or injected with a coloured or transparent resin through the breather hole and allowed to set solid.
  • this breather hole contains additional resin such that if the resin already injected into the piece contracts more than expected, this additional resin ensures that the piece is fully filled with resin, preventing unwanted pores. The breather hole is then cut away.
  • the surface layer of the piece is then filed or polished in the areas of interest, depending on the ornamentation required to expose the resin.
  • the gold removed from these parts is recovered for other uses.
  • Resins of different colours could be injected at random into a piece so that one piece could have different decorations according to the different combinations of colours.
  • the preferred location for the breather hole would be in at least one of the sections of the piece where the precious metal is to be filed to leave the resin decoration, thus also removing any imperfections at this point.
  • the breather hole must be perpendicular to the piece to allow it to be filled completely with resin using gravity.
  • the procedure for manufacturing pieces of jewellery as proposed by this invention can be applied to a hollow piece (1) of thin hollow precious metal made normally by electro-forming and then emptied by melting an interior base model and pouring it out through a breather hole (4), a base model which has previously been galvanised with the precious metal that makes up the hollow piece (1).
  • Figure 3 shows that the opening (2) of the earring, once the breather hole (4) has been removed, is covered by the resin (3), giving it a finish similar to that of the contiguous sectors that are already decorated with the resin (3).
  • the preferred location of the breather hole (4) would be in at least one of the sectors of the piece where the precious metal is to be filed to decorate it with resin (3) and it must be perpendicular to that sector of the piece to fill the hollow piece with resin (3) by gravity.
  • the piece of jewellery made according to the described procedure will be filled with resin (3) and its visible exterior surface will have sectors with resin (3) together with others with a thin layer of precious metal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Adornments (AREA)
EP05380152A 2004-07-26 2005-07-12 Verfahren zur Herstellung von Schmuckstücken und mit diesem Verfahren hergestellte Schmuckstücke Withdrawn EP1621097A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200401828A ES2224892B1 (es) 2004-07-26 2004-07-26 Procedimiento para la fabricacion de piezas de joyeria y piezas de joyeria obtenida.

Publications (1)

Publication Number Publication Date
EP1621097A1 true EP1621097A1 (de) 2006-02-01

Family

ID=34354905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05380152A Withdrawn EP1621097A1 (de) 2004-07-26 2005-07-12 Verfahren zur Herstellung von Schmuckstücken und mit diesem Verfahren hergestellte Schmuckstücke

Country Status (4)

Country Link
US (1) US20060016076A1 (de)
EP (1) EP1621097A1 (de)
CN (1) CN1726834A (de)
ES (1) ES2224892B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20100002A1 (it) * 2010-01-11 2011-07-12 C A Oro S N C Di Caoduro Andrea & Carlo Metodo per la produzione di oggetti ornamentali preziosi

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090081425A1 (en) * 2006-03-01 2009-03-26 Sekikazu Nakakura Precious metal jewelry and process for producing the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8101868A1 (es) 1980-03-07 1980-12-16 Jayda S A Procedimiento para la fabricacion de piezas de joyeria
US4928367A (en) * 1988-02-11 1990-05-29 Automatic Findings, Inc. Earring clutch
CH679138A5 (en) * 1989-04-18 1991-12-31 Jean Marie Delhaye Decorative mouldings mfr. for ornaments - by using epoxy] resin and hardener
EP0702910A2 (de) * 1994-09-26 1996-03-27 JOSEF Eberle GmbH + Co. KG. Dünnwandiger Hohlkörper aus einem Edelmetall oder aus einer Edelmetallegierung zur Verwendung als Schmuck- oder Juwelierware
ES2159881T3 (es) 1996-10-09 2001-10-16 P G C M Conception Procedimiento para el engastado de piedras sobre la superficie de una joya realizada por electroconformacion.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES386200A1 (es) * 1970-12-04 1974-12-16 Prendes Pando Perez Perfeccionamientos en el procedimiento para la fabricacion de piezas de bisuteria y joyeria.
IT1267678B1 (it) * 1994-01-27 1997-02-07 Padino Antonio Microfusioni Procedimento per la realizzazione di elementi decorativi in oro o altri metalli preziosi ed elementi ottenuti con detto procedimento
DE19706432C2 (de) * 1997-02-19 2001-01-11 Burkhard Mueller Verfahren zur Herstellung von Schmuckstücken
GB0110964D0 (en) * 2001-05-04 2001-06-27 C W Jewellery Manufacturers Lt Jewellery ring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8101868A1 (es) 1980-03-07 1980-12-16 Jayda S A Procedimiento para la fabricacion de piezas de joyeria
US4928367A (en) * 1988-02-11 1990-05-29 Automatic Findings, Inc. Earring clutch
CH679138A5 (en) * 1989-04-18 1991-12-31 Jean Marie Delhaye Decorative mouldings mfr. for ornaments - by using epoxy] resin and hardener
EP0702910A2 (de) * 1994-09-26 1996-03-27 JOSEF Eberle GmbH + Co. KG. Dünnwandiger Hohlkörper aus einem Edelmetall oder aus einer Edelmetallegierung zur Verwendung als Schmuck- oder Juwelierware
ES2159881T3 (es) 1996-10-09 2001-10-16 P G C M Conception Procedimiento para el engastado de piedras sobre la superficie de una joya realizada por electroconformacion.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20100002A1 (it) * 2010-01-11 2011-07-12 C A Oro S N C Di Caoduro Andrea & Carlo Metodo per la produzione di oggetti ornamentali preziosi

Also Published As

Publication number Publication date
CN1726834A (zh) 2006-02-01
US20060016076A1 (en) 2006-01-26
ES2224892A1 (es) 2005-03-01
ES2224892B1 (es) 2006-06-01

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