EP1768508B1 - Verfahren zum erhalt einer designverknüpfung - Google Patents

Verfahren zum erhalt einer designverknüpfung Download PDF

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Publication number
EP1768508B1
EP1768508B1 EP05790786A EP05790786A EP1768508B1 EP 1768508 B1 EP1768508 B1 EP 1768508B1 EP 05790786 A EP05790786 A EP 05790786A EP 05790786 A EP05790786 A EP 05790786A EP 1768508 B1 EP1768508 B1 EP 1768508B1
Authority
EP
European Patent Office
Prior art keywords
patterns
sequence
impression
pattern
link
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.)
Not-in-force
Application number
EP05790786A
Other languages
English (en)
French (fr)
Other versions
EP1768508A1 (de
Inventor
Bruno Caby
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1768508A1 publication Critical patent/EP1768508A1/de
Application granted granted Critical
Publication of EP1768508B1 publication Critical patent/EP1768508B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
    • B22C7/02—Lost patterns
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C15/00—Other forms of jewellery
    • A44C15/004—Jewellery with monograms or other inscription
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00—Making jewellery or other personal adornments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • 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
    • Y10T29/49567—Dental appliance making
    • Y10T29/49568—Orthodontic 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
    • Y10T29/4959—Human adornment device making

Definitions

  • the invention relates to a method for obtaining a pattern link.
  • pattern link here means an object in one piece consisting of joined patterns, the patterns being hollowed over their entire thickness in the places dictated by their design.
  • the structural strength of the link is given by the connection between the joined patterns. This is not a simple engraving of motifs on a plate.
  • the invention is more particularly concerned with the links of small patterns (of the order of a few millimeters). For such small sizes, the machining of motif links is very difficult. In addition, the molding of patterns as thin lost wax is impossible.
  • the prior art is described in particular by the document US 5,880,430 .
  • the subject of the invention is a process for obtaining chain members that can be used in a very economical manner and that can be used for the production of any pattern link.
  • the male form thus stiffened is thus made easily manipulable.
  • the rigidification of the sequence of patterns makes it possible to mold the pattern suite, including lost wax. It is then possible to make metal pattern links of very low height.
  • the step of stiffening comprises the operation of associating a sole after the patterns so that it forms with the sole a male form in which the Pattern suite extends in relief from the sole.
  • the sole stiffens the pattern sequence of the male form.
  • the sole facilitates the injection of liquid material in the mold formed around the male shape by providing the possibility of providing one or more feed points at the sole.
  • the molding of the male form leads to a link of patterns extending in relief from a base, the base being at least partially leveled.
  • the base being at least partially leveled.
  • the impression material is chosen to provide a series of deformable patterns and the stiffening step comprises the operation of deforming the pattern sequence to make it come next to the edges of the sequence of patterns and join these edges together.
  • the result pattern thus worked forms a rigid male shape that can be easily molded.
  • the deformation comprises the operation of winding the sequence of spiral contiguous patterns, the facing edges being secured to each other.
  • the method of the invention comprises the step of digging a footprint 2 in a solid mass, here a plate 1 cut in an acetate sheet 2 millimeters thick.
  • the plate 1 has a width of about 8 millimeters.
  • the imprint 2 comprises a series of alphabetic patterns that are joined to each other so as to overlap slightly.
  • the sequence of patterns is obtained by etching the plate 1 by means of an etching tool 3 (here a ball-end mill with a diameter of 0.6 millimeters) moved by a computer 100 on which a program can generate the path of the engraving tool 3 from a series of patterns, here letters typed on the keyboard of the computer 100.
  • the patterns have a height of 3 millimeters.
  • the plate 1 is positioned in a jig 4 having a hollow 5 which is deeper than the thickness of the plate 1.
  • the imprint of the plate 1 is coated with a product demolding, for example a silicone oil.
  • a wax strip 6 is applied to the plate 1, for example wax used in the manufacture of dental prostheses, which has been previously softened by light heating.
  • the wax strip 6 has a thickness such that it exceeds the upper surface of the jig 4.
  • this wax strip 6 is covered with a sheet of paper 7, then the wax strip 6 is pressed into the cavity 2, for example by rolling on the upper surface of the template. 2 a cylinder 8.
  • the wax 6 then enters the cavity 2, while forming a sole delimited in thickness by the upper surface of the plate 1 and the upper surface of the jig 4 on which the cylinder 8 rolls.
  • the flanks 9 of the recess 5 (visible at figure 2 ) form a mold for said sole.
  • the male shape thus obtained is rigid enough to be easily manipulated and molded.
  • a molding of the male form thus obtained is carried out, preferably by the lost wax molding technique.
  • the material used for the molding may for example be silver, or gold.
  • the sole 12 reserves in the mold a space that makes it possible to arrange several feeding points, greatly facilitating the molding of such small grounds.
  • the base 16 has been leveled, for example by milling, leaving only the link pattern 15 forming an alternation of hollow and full.
  • This link pattern can be used as is, for example to make jewelry. Nevertheless, because of its small size, it is relatively fragile. It is then interesting to stiffen such a link of patterns.
  • two portions of links joined together by one of their edges are molded together.
  • the resulting molding having two portions of 20,21 motif links joined by their edges, which has been leveled the common base.
  • Each of the link portions of patterns forms a stiffening support for the other portion of the link of patterns, so that this double link is much more rigid than a single link.
  • the plate 1 is hollowed out so as to provide a recess which extends along one of the edges of the series of patterns 2. hollow allows to mold the stiffening support directly with the pattern link.
  • the pattern link 40 is formed into a contiguous spiral, and the turns of the spiral thus formed are welded edge to edge.
  • weld points 41 only one is referenced which are made by the rear face of the link, and therefore invisible from the outside. This gives a particularly aesthetic ring.
  • the method of the invention comprises the step of digging a footprint 202 in a solid mass, here a plate 201 of wax, which has the advantage of being remelted after use.
  • a plate 201 of wax which has the advantage of being remelted after use.
  • the use of wax for the solid has the further advantage of allowing very fast machining.
  • the imprint 202 comprises a series of alphabetic patterns that are joined to each other so as to overlap slightly.
  • the pattern sequence is obtained, in the same way as above, by etching the plate 201.
  • a liquid resin 206 (for example a polyurethane resin) chosen to be fluid enough to fill perfectly all the cavities of the cavity 202 is poured into the cavity 202.
  • a liquid resin 206 for example a polyurethane resin
  • spray is sprayed on the cavity a silicone spray bomb for demolding.
  • the resin 206 is demolded and a series of patterns 211 is obtained as illustrated in FIG. figure 10 .
  • demoulding it is possible to slightly deform the plate 201, or, if the demolding proves difficult, to raise the plate temperature to dilate slightly.
  • the sequence of patterns 211 is spirally wound around a cylindrical template 230 so as to have contiguous edges, preferably the chosen resin is of the flexible type in the solid state, so that the sequence of patterns 211 is easily deformable.
  • the contiguous edges of the series of patterns 211 are glued, for example using cyanolite glue 220.
  • a male shape 210 is thus obtained which is more particularly visible on the figure 12 , much stiffer than the 211 pattern suite, and easily manipulated.
  • the male form 210 is immersed in a solvent bath to remove the excess glue. It then remains to mold the male form 210, preferably by lost-wax molding, to directly obtain a metal ring made of a spiral-wound pattern of links to the contiguous edges secured to each other by molding.
  • injection points on the inner face of the ring, which has a large surface facilitating the arrival of the metal. Once the ring molded, it is sufficient to trim any injection marks, which are located on the inner face of the ring and are therefore not visible from the outside.
  • the jewel obtained is very solid and does not have the inherent weaknesses of welds or collages used in the previous embodiment.
  • the method of the invention therefore comprises the step of producing an intermediate, in this case the male form, which comprises a series of stiffened units to allow handling and molding.
  • the stiffening is here obtained by the production of a sole, or by shaping the sequence of spiral patterns and securing the edges.
  • the invention is however not limited to these types of stiffening, and any other stiffening may be envisaged, such as for example the bonding of a plastic plate on the back of a sequence of patterns obtained by pouring liquid resin into the resin. 'footprint.
  • the impression made in the acetate plate is not through, which ensures a rounded finish of the edges of the patterns using an end etching tool rounded, we can of course make a through impression, the wax then being stopped by the bottom of the hollow of the template.
  • the solid is a plate cut from an acetate sheet
  • any other material such as an aluminum block may be used. It will also be possible to use a microperforated plate, to allow air trapped by the wax band to escape when the wax strip is pressed into the cavity.
  • the molding base was totally trimmed to obtain a pattern of links whose structural strength is due only to the connection between the patterns, it will be sufficient to partially level the base to leave a veil under the patterns. We can still, although it is less satisfactory from an aesthetic point of view, leave the base.
  • connection between the metal molded pattern link and the stiffening support is obtained either directly by molding or by producing weld points, a continuous weld can be made along the edge, or use other means of connection, such as a collage.
  • the patterns presented are letters, it will of course be possible to reproduce patterns other than letters, the patterns being preferably chosen from a pattern base, which makes it possible to rapidly determine the sequence of patterns to be reproduced. For example, we can offer patterns in the form of crosses, circles, or any other imaginable pattern.
  • the impression is obtained using a computer-controlled engraving tool for, it will also be possible to obtain the impression by other means, for example by photoengraving or by recess in a malleable material of punches each forming a specific pattern.
  • an impression material such as strip wax or liquid resin
  • any other material capable of filling the impression of the solid mass may be used, such as curable sealant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Adornments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Ceramic Products (AREA)
  • Macromonomer-Based Addition Polymer (AREA)

Claims (4)

  1. Verfahren zum Erhalt eines Motivkettengliedes, umfassend die Schritte:
    - Aushöhlen eines Formhohlraums (202), der eine Folge von aneinandergehängten Motiven umfasst, in einem Massivblock (201),
    - Einbringen eines Abdruckmaterials (206) in den Formhohlraum des Massivblocks, um eine erhabene und verformbare Motivfolge (211) zu erhalten,
    - Versteifen der Motivfolge, um eine männliche Form (210) zu erhalten, die abgeformt werden kann, wobei der Versteifungsschritt den Vorgang des Verformens der Motivfolge (211) umfasst, derart, dass die Ränder der Motivfolge (211) einander gegenüberstehen und diese Ränder miteinander verbunden werden,
    - Erzeugen einer Abformung der männlichen Form.
  2. Verfahren nach Anspruch 1, wobei die Verformung den Vorgang des Wickelns der Motivfolge (211) zu einer Spirale mit aneinandergrenzenden Windungen umfasst, wobei die einander gegenüberstehenden Ränder miteinander verbunden werden.
  3. Verfahren nach Anspruch 1, wobei der Massivblock aus Wachs ist.
  4. Verfahren nach Anspruch 1, wobei das Abdruckmaterial Flüssigharz ist, das nach der Verfestigung flexibel bleibt.
EP05790786A 2004-07-21 2005-07-20 Verfahren zum erhalt einer designverknüpfung Not-in-force EP1768508B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0408061A FR2873326B1 (fr) 2004-07-21 2004-07-21 Procede d'obtention de chainon de motifs, et objet, notamment bijou, comportant un chainon de motifs
PCT/FR2005/001857 WO2006021658A1 (fr) 2004-07-21 2005-07-20 Procede d ' obtention de chainon de motifs , et objet, notamment bijou, comportant un chainon de motifs

Publications (2)

Publication Number Publication Date
EP1768508A1 EP1768508A1 (de) 2007-04-04
EP1768508B1 true EP1768508B1 (de) 2011-02-16

Family

ID=34949111

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05790786A Not-in-force EP1768508B1 (de) 2004-07-21 2005-07-20 Verfahren zum erhalt einer designverknüpfung

Country Status (7)

Country Link
US (1) US7882637B2 (de)
EP (1) EP1768508B1 (de)
CN (1) CN100556332C (de)
AT (1) ATE498332T1 (de)
DE (1) DE602005026388D1 (de)
FR (1) FR2873326B1 (de)
WO (1) WO2006021658A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1394816B1 (it) * 2009-06-08 2012-07-13 Punto Oro Vi S R L Metodo per l'irrigidimento di un oggetto ornamentale comprendente una pluralita' di elementi concatenati uno di seguito all'altro
CN102813347B (zh) * 2012-09-10 2015-06-24 深圳市百泰珠宝首饰有限公司 一种黄金首饰的制作方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2164547A1 (en) * 1971-12-23 1973-08-03 Gay Freres Trinket moulds - reproduced by moulding for lost mould mfr of castings
CA1102092A (en) * 1977-07-05 1981-06-02 Donald W. Greve Process for making jewelry
JPS6083740A (ja) 1983-10-17 1985-05-13 Edeii Corp:Kk 貴金属指輪の製造方法
USD340421S (en) * 1990-07-03 1993-10-19 Partecipazioni Bulgari S.p.A. Finger ring
JPH05300807A (ja) * 1992-04-24 1993-11-16 Yamanashi Pref Gov 装身具の製造方法
US5880430A (en) 1995-08-11 1999-03-09 Wein; Joseph H. Method and apparatus for laser engraving
US6003228A (en) * 1998-05-14 1999-12-21 Wave Corporation Method for making a decorative or jewelry item
GB2380961A (en) * 2001-10-06 2003-04-23 Carl George Winn Method of manufacturing jewellery
US20060019041A1 (en) * 2004-06-07 2006-01-26 Julie Good-Kruger Tile with simulated antique brick appearance, method for the fabrication of tiles with simulated antique brick appearance

Also Published As

Publication number Publication date
FR2873326A1 (fr) 2006-01-27
DE602005026388D1 (de) 2011-03-31
US20080032149A1 (en) 2008-02-07
US7882637B2 (en) 2011-02-08
EP1768508A1 (de) 2007-04-04
CN1988819A (zh) 2007-06-27
FR2873326B1 (fr) 2006-11-03
ATE498332T1 (de) 2011-03-15
CN100556332C (zh) 2009-11-04
WO2006021658A1 (fr) 2006-03-02

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