EP0367923A2 - Procédé de sertissage de pierres précieuses notamment de brillants - Google Patents

Procédé de sertissage de pierres précieuses notamment de brillants Download PDF

Info

Publication number: EP0367923A2
Authority: EP; European Patent Office
Prior art keywords: gemstone; diameter; setting; gemstones; gem
Prior art date: 1988-11-11
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.): Granted

Application number

EP89115602A

Other languages

German (de)

English (en)

Other versions

EP0367923A3 (fr

EP0367923B1 (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.)

1988-11-11

Filing date

1989-08-24

Publication date

1990-05-16

1989-08-24 Application filed by Gebr Niessing & Co GmbH filed Critical Gebr Niessing & Co GmbH

1989-08-24 Priority to AT89115602T priority Critical patent/ATE101983T1/de

1990-05-16 Publication of EP0367923A2 publication Critical patent/EP0367923A2/fr

1991-03-20 Publication of EP0367923A3 publication Critical patent/EP0367923A3/fr

1994-03-02 Application granted granted Critical

1994-03-02 Publication of EP0367923B1 publication Critical patent/EP0367923B1/fr

2009-08-24 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000010437 gem Substances 0.000 title claims abstract description 58
238000000034 method Methods 0.000 title claims abstract description 21
229910001751 gemstone Inorganic materials 0.000 claims abstract description 56
239000004575 stone Substances 0.000 claims abstract description 14
239000010432 diamond Substances 0.000 claims abstract description 12
239000002184 metal Substances 0.000 claims abstract description 12
229910052751 metal Inorganic materials 0.000 claims abstract description 12
239000010970 precious metal Substances 0.000 claims abstract description 5
229910045601 alloy Inorganic materials 0.000 claims abstract description 3
239000000956 alloy Substances 0.000 claims abstract description 3
239000007769 metal material Substances 0.000 claims abstract description 3
239000010947 jewellery metal Substances 0.000 claims description 8
238000002360 preparation method Methods 0.000 abstract description 3
239000000463 material Substances 0.000 description 10
229910003460 diamond Inorganic materials 0.000 description 6
229910000510 noble metal Inorganic materials 0.000 description 4
RRLHMJHRFMHVNM-BQVXCWBNSA-N [(2s,3r,6r)-6-[5-[5-hydroxy-3-(4-hydroxyphenyl)-4-oxochromen-7-yl]oxypentoxy]-2-methyl-3,6-dihydro-2h-pyran-3-yl] acetate Chemical compound C1=C[C@@H](OC(C)=O)[C@H](C)O[C@H]1OCCCCCOC1=CC(O)=C2C(=O)C(C=3C=CC(O)=CC=3)=COC2=C1 RRLHMJHRFMHVNM-BQVXCWBNSA-N 0.000 description 2
239000011324 bead Substances 0.000 description 2
208000007101 Muscle Cramp Diseases 0.000 description 1
238000005553 drilling Methods 0.000 description 1
238000007373 indentation Methods 0.000 description 1

Images

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 here relates to a method and a device for setting precious stones, in particular diamonds and precious metals or their alloys, the precious stone being encompassed at least in regions by the metal forming the setting.
FR-A-2 428 990 shows a method suitable for the mechanical setting of gemstones, in which a cross-sectionally substantially U-shaped rail with 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 machined around the edge areas of the gemstone to be grasped ne bent around.
the version of a single stone in a similar design shows the old French patent specification 450 811.
DE-OS 19 64 487 shows the grasping of a gemstone by means of a die in a prepared seat, in which the upper slotted edge areas of the setting material are then later bent over a die.
a similar type of setting is shown in US Pat. No. 4,761,865.
the applicant's EP-A 0 221 248 shows a further developed process for setting gemstones in pipe sections.
a gemstone is inserted into a pipe section which has a slightly larger inside diameter than the outside diameter of the gemstone.
the pipe material is deformed in a tapered 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.
the object of the invention is therefore to create a solution with which gemstones, in particular diamonds, can be set in a mechanical manner, the machine preparations being reduced to a minimum and the setting process thus being accelerated.
this object is achieved according to the invention in that the gemstone is pressed under pressure into a bore whose diameter is slightly smaller than the outside diameter of the gemstone to be grasped, the bed itself being formed by the gemstone, and that after driving the outer edge areas of the gemstone into the borehole below the surface level of the setting metal, metal material is rubbed from above over the outer edge areas of the stone to be gripped.
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 stones to be grasped, these are then driven together into the holes by means of a press ram and the free upper regions of the outer contour are following be rubbed. This means that a large number of gemstones can be grasped by machine, in particular in thin sheet metal, without the need for special socket elements, such as small cylindrical additional frames.
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 then triturated.
the invention also provides a device for solving the problem, which is characterized in that it is formed as a support for the jewelry metal provided with a bore, with a press ram opposite this support.
the invention provides in an embodiment that the flat punch surface that bears against the table of the gem to be pressed is larger than the largest outside diameter of the gem .
the ram is supported during the pressing on the jewelry metal, so that its indentation can be precisely defined, for example, in such a way that the table of the jewelry stone later aligns with the outer surface of the jewelry metal in the set state.
the invention also provides that the press ram is designed for pressing a plurality of gemstones in one working stroke.
a feature in an embodiment of the invention in the simultaneous setting of a plurality of gemstones is that the device has a support with a plurality of bores, the diameter of which is larger than the diameter of the gemstone to be grasped in each case.
the device shown in Figures 1 to 3 in different positions carries a jewelry metal 1 with a hole 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 an overlay 6, not otherwise shown, is indicated .
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, such 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 area of the diamond. This material is designated 10 in FIG. 3.
the Brillant 3 is now firmly seated in the setting.
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 numerals with the lower case letter "a".
a noble metal sheet 1a is placed there on a base 6a, a drilling template 12, which is 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 Boh tion 13 of the document 6a. This ensures 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)

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 true EP0367923A2 (fr)	1990-05-16
EP0367923A3 EP0367923A3 (fr)	1991-03-20
EP0367923B1 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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2269977A (en) *	1992-08-25	1994-03-02	Unigem Int	Gemstone setting
EP0645104A1 (fr) *	1993-09-28	1995-03-29	Katsumi Yamamoto	Procédé pour sertir des bijoux
WO2005055757A1 (fr) *	2003-12-12	2005-06-23	W D'or Brillantschmuck Gmbh	Bijou comportant un element decoratif et procede et outil pour produire un tel bijou

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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

1988
- 1988-11-11 DE DE3838317A patent/DE3838317A1/de not_active Withdrawn
1989
- 1989-08-24 EP EP89115602A patent/EP0367923B1/fr not_active Expired - Lifetime
- 1989-08-24 DE DE89115602T patent/DE58907089D1/de not_active Expired - Fee Related
- 1989-08-24 AT AT89115602T patent/ATE101983T1/de not_active IP Right Cessation
- 1989-08-24 ES ES89115602T patent/ES2049287T3/es not_active Expired - Lifetime

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2269977A (en) *	1992-08-25	1994-03-02	Unigem Int	Gemstone setting
EP0645104A1 (fr) *	1993-09-28	1995-03-29	Katsumi Yamamoto	Procédé pour sertir des bijoux
WO2005055757A1 (fr) *	2003-12-12	2005-06-23	W D'or Brillantschmuck Gmbh	Bijou comportant un element decoratif et procede et outil pour produire un tel bijou
JP2007513658A (ja) *	2003-12-12	2007-05-31	ヴェードールブリリアントシュムックゲゼルシャフトミットベシュレンクテルハフツング	装飾要素を持つ宝石品並びにそのような宝石品を製造するための方法及び工具

Also Published As

Publication number	Publication date
ATE101983T1 (de)	1994-03-15
EP0367923A3 (fr)	1991-03-20
DE58907089D1 (de)	1994-04-07
ES2049287T3 (es)	1994-04-16
EP0367923B1 (fr)	1994-03-02
DE3838317A1 (de)	1990-07-05

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