EP0367923B1 - Procédé de sertissage de pierres précieuses notamment de brillants - Google Patents

Procédé de sertissage de pierres précieuses notamment de brillants Download PDF

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Publication number
EP0367923B1
EP0367923B1 EP89115602A EP89115602A EP0367923B1 EP 0367923 B1 EP0367923 B1 EP 0367923B1 EP 89115602 A EP89115602 A EP 89115602A EP 89115602 A EP89115602 A EP 89115602A EP 0367923 B1 EP0367923 B1 EP 0367923B1
Authority
EP
European Patent Office
Prior art keywords
precious
stone
setting
metal
brilliants
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.)
Expired - Lifetime
Application number
EP89115602A
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German (de)
English (en)
Other versions
EP0367923A2 (fr
EP0367923A3 (fr
Inventor
Anton Hilbing
Hermann Wilmer
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.)
Gebr Niessing & Co GmbH
Original Assignee
Gebr Niessing & Co GmbH
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 Gebr Niessing & Co GmbH filed Critical Gebr Niessing & Co GmbH
Priority to AT89115602T priority Critical patent/ATE101983T1/de
Publication of EP0367923A2 publication Critical patent/EP0367923A2/fr
Publication of EP0367923A3 publication Critical patent/EP0367923A3/fr
Application granted granted Critical
Publication of EP0367923B1 publication Critical patent/EP0367923B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/04—Setting gems in jewellery; Setting-tools
    • A44C17/043—Setting-tools
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/04—Setting gems in jewellery; Setting-tools

Definitions

  • the invention relates to a method for setting gemstones, in particular diamonds in precious metals or their alloys, wherein the gemstone is at least partially encompassed by the material forming the setting and the gemstone under pressure in a bore whose diameter is slightly smaller than the outer diameter of the gem to be set, as far as it is pressed in until the outer edge areas of the gem lie below the surface level of the setting metal.
  • FR-A-2 428 990 shows a method suitable for the mechanical setting of gemstones, in which a cross-section has essentially U-shaped rail receiving grooves for edge areas of the cut gemstones. The gemstones are lined up one behind the other in this rail, the material weakened by the groove is then bent mechanically around the edge areas of the gemstones to be grasped.
  • the version of a single stone in a similar design shows the old French patent specification 450 811.
  • DE-A-19 64 487 shows the setting of a gemstone into a prepared seat by means of a die, in which the upper slotted edge regions of the setting material are then also bent later via a die.
  • US-A-4,761 shows a similar type of setting 865.
  • the applicant's GB-A-2 079 140 or EP-A-0 221 248 shows a further developed method for setting gemstones in pipe sections.
  • a gemstone is inserted into a pipe section, the inside diameter of which is slightly larger than the outside diameter of the gemstone.
  • the pipe material is deformed in a tapering manner via a die, in such a way that it is squeezed around the edge regions of the gem to be gripped, as a result of which the stone is held securely and firmly in the pipe section.
  • FR-A-1 506 317 shows the mechanical grinding of a stone resting on a bed in a bore.
  • tubular mounts are less suitable, for example mounts in receiving bores of ring rails or in particular in thin metal sheets. It is no longer possible to deform the die here. From DE-A-33 07 817 it is known to blast a gemstone into a specially designed bore in a dial in such a way that the edge metal resiliently wraps around the brilliant-cut diamond. However, it was not recognized there that the gem itself can represent a tool.
  • the object of the invention is therefore to provide a solution with which gemstones, in particular diamonds, can be set in a mechanical manner, the mechanical preparations being able to be reduced to a minimum and thus the setting process being accelerated.
  • this object is achieved according to the invention in that the bed itself is formed by the gem and is rubbed from above the outer edge regions of the stone to be gripped by means of metal material.
  • the preparation of a bed for the gemstone can be dispensed with, since it creates its own bed when it is pressed into the precious metal.
  • material is driven from the inner wall of the borehole in front of the gem which is pressed in, in such a way that a support bead is formed which corresponds exactly to the outer contours of the individual gemstone. If material is rubbed over edge areas of the gemstone from above in the second step, the gemstone is completely fixed in its setting. It can be achieved that only very minimal edge areas are covered by the frame metal, so that optically practically the entire stone comes into effect.
  • the invention provides that a plurality of holes are made in a jewelry sheet, the diameter of which is slightly smaller than the outside diameter of the stone to be grasped, then jointly driven into the holes of the jewelry sheet by means of a press die and the free upper areas of the outer Contour are subsequently rubbed.
  • US-A-2 181 573 and US-A-2 858 597 show a large number of gemstones according to a type of setting, as has already been described at the beginning of the prior art.
  • the invention provides that gemstones of different types of cut, such as, for example, brilliant, baguette, navette andencies, are pressed into the jewelry metals and subsequently triturated.
  • the device shown in Figures 1 to 3 in different positions carries a jewelry metal 1 with a bore 2 in which a diamond 3 is to be used.
  • the diamond 3 has a larger outer diameter "a" than the inner diameter "b" of the bore 2.
  • a press ram 5 is provided opposite the plate of the diamond 3 denoted by 4, underneath the noble metal 1 there is indicated an otherwise not shown support 6 .
  • the ram 5 If the ram 5 is moved downwards according to arrow 7, it drives it into the borehole 2 after it has been placed on the table 4 of the diamond 3, the outer edge areas driving small amounts of precious metal material in front of it, in such a way that a circumferential support bed in the Metal imprints as indicated by the small arrows 8 in Fig. 2 is indicated.
  • material can now be rubbed from above with the aid of a reaming tool 9 over the upper region of the diamond. This material is designated 10 in FIG. 3.
  • the Brillant 3 is now firmly seated in the socket.
  • FIGS. 4 to 6 the version of a plurality of brilliants 3a is shown.
  • the functionally identical elements according to the arrangement according to FIGS. 1 to 3 are provided in FIGS. 4 to 6 with the same reference numbers with the lower case letter "a".
  • a noble metal sheet 1a is placed there on a base 6a, a drilling template 12 fixed by means of a pin 11 (not shown in more detail) is provided and boreholes 2a are made.
  • a press ram 5a is lowered and the brilliants with their corresponding tables are lowered until the press ram 5a is placed on the surface of the sheet 1a.
  • the gem 3a can be seen to have an outer diameter which is smaller than the inner diameter "c" of the bore 13 of document 6a. It is thus achieved that the gemstone 3a first drives material, designated 8a, when pressed, in order to form itself the lower region of its bed. When the lowering process has ended, material can be rubbed over from above in the manner shown in FIG. 6 in order to ensure the firm seating of the gemstone in the sheet 1a. It should be noted that the corresponding relationships of the metal beads 8a in FIG. 6 are exaggerated in order to make the essence of the invention clear.

Landscapes

  • Adornments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Claims (3)

  1. Procédé de sertissage de pierres précieuses, en particulier de brillants, dans des métaux précieux ou leurs alliages, la pierre précieuse (3, 3a) étant enchâssée, au moins par zones, par le métal (1, 1a) constituant la monture et la pierre précieuse étant enfoncée sous pression, dans un perçage (2, 2a), dont le diamètre est légèrement inférieur au diamètre extérieur (a) de la pierre précieuse (3, 3a) à sertir, jusqu'à ce que les zones marginales extérieures de la pierre précieuse se trouvent sous le niveau de la surface du métal de monture (1, 1a), caractérisé en ce que le lit de sertissage est formé par la pierre précieuse même et en ce que les zones marginales extérieures de la pierre à sertir sont recouvertes par le haut au moyen du matériau métallique.
  2. Procédé selon la revendication 1, caractérisé en ce que, dans une tôle pour bijoux (10) est réalisée une pluralité de trous (2a), dont le diamètre est légèrement plus petit que le diamètre extérieur de la pierre à sertir (3a), les pierres à sertir étant ensuite enfoncées conjointement dans les trous de la tôle pour bijoux, par l'intermédiaire d'un poinçon d'enfoncement (5a), et les zones supérieures libres du contour extérieur étant ensuite recouvertes.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que des pierres précieuses de différents types de poli ou taille, telles que par exemple du type brillant, baguette, navette et carré, sont enfoncées dans les métaux pour bijoux et le recouvrement de partie supérieure étant opéré ensuite.
EP89115602A 1988-11-11 1989-08-24 Procédé de sertissage de pierres précieuses notamment de brillants Expired - Lifetime EP0367923B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89115602T ATE101983T1 (de) 1988-11-11 1989-08-24 Verfahren zum fassen von edelsteinen, insbesondere von brillanten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3838317 1988-11-11
DE3838317A DE3838317A1 (de) 1988-11-11 1988-11-11 Verfahren und vorrichtung zum fassen von edelsteinen, insbesondere von brillanten

Publications (3)

Publication Number Publication Date
EP0367923A2 EP0367923A2 (fr) 1990-05-16
EP0367923A3 EP0367923A3 (fr) 1991-03-20
EP0367923B1 true EP0367923B1 (fr) 1994-03-02

Family

ID=6367001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89115602A Expired - Lifetime EP0367923B1 (fr) 1988-11-11 1989-08-24 Procédé de sertissage de pierres précieuses notamment de brillants

Country Status (4)

Country Link
EP (1) EP0367923B1 (fr)
AT (1) ATE101983T1 (fr)
DE (2) DE3838317A1 (fr)
ES (1) ES2049287T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218839A (en) * 1992-08-25 1993-06-15 Unigem International Jewelry setting
US5475910A (en) * 1993-09-28 1995-12-19 Yamamoto; Katsumi Jewel setting method
DE10359824A1 (de) * 2003-12-12 2005-07-21 W D'or Brillantschmuck Gmbh Schmuckstück mit einem Schmuckelement sowie ein Verfahren und ein Werkzeug zur Herstellung eines derartigen Schmuckstücks
US8087977B2 (en) 2005-05-13 2012-01-03 Black & Decker Inc. Angle grinder
DE102008034986B4 (de) * 2008-07-25 2013-01-03 Rohrbacher Gmbh Uhrlünette und Verfahren zu deren Herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2181573A (en) * 1936-11-03 1939-11-28 Arthur U Magnan Means for affixing jewels in perforated plates
US2858597A (en) * 1952-11-14 1958-11-04 Dyer Corp Methods and apparatus for manufacturing ornamental articles
FR1506317A (fr) * 1966-04-28 1967-12-22 Procédé de sertissage de pierres précieuses, dispositif pour la mise en oeuvre de ce procédé et produits résultant de l'application du procédé
GB2079140B (en) * 1980-07-02 1983-01-19 Nathan Brothers Ltd Gem stone setting
DE3307817A1 (de) * 1982-03-11 1983-09-22 Beyeler & Cie S.A., 1205 Genève Verfahren zur herstellung eines mit mindestens einem stein versehenen zifferblattes, insbesondere fuer die uhrenindustrie, sowie entsprechend diesem verfahren hergestelltes zifferblatt
DE3539017A1 (de) * 1985-11-02 1987-05-21 Niessing Geb Verfahren und vorrichtung zum fassen von edelsteinen
FR2593039B1 (fr) * 1986-01-17 1988-04-29 Diamant Applic Procedes de fabrication mecanisee de bijoux comportant une pluralite de petites pierres jointives enchassees dans un support en metal et bijoux obtenus par ce procede.
FR2619293B1 (fr) * 1987-08-14 1990-01-12 Diamant Applic Procedes et dispositifs pour sertir mecaniquement une pluralite de petites pierres precieuses sur une face plane d'un bijou

Also Published As

Publication number Publication date
ATE101983T1 (de) 1994-03-15
EP0367923A2 (fr) 1990-05-16
EP0367923A3 (fr) 1991-03-20
DE58907089D1 (de) 1994-04-07
ES2049287T3 (es) 1994-04-16
DE3838317A1 (de) 1990-07-05

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