EP0883356A1 - Geschliffener edelstein - Google Patents
Geschliffener edelsteinInfo
- Publication number
- EP0883356A1 EP0883356A1 EP97914110A EP97914110A EP0883356A1 EP 0883356 A1 EP0883356 A1 EP 0883356A1 EP 97914110 A EP97914110 A EP 97914110A EP 97914110 A EP97914110 A EP 97914110A EP 0883356 A1 EP0883356 A1 EP 0883356A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- facets
- additional
- angle
- rondist
- gemstone
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/001—Faceting gems
Definitions
- the invention relates to a gemstone with the features according to the preamble of patent claim 1.
- Such a gemstone cut is known for example from DE-PS 15 57 625, where an equal number of upper part facets and lower part facets determine the appearance and its optical properties.
- a comparable cut is known from DE 42 10 995 AI, where special angles between the upper-part facets and the lower-part facets are to lead to a particularly striking appearance of the cut gemstone, essentially through flat effects which differ in their brightness differentiate.
- DE 27 20 267 C2 shows a diamond that has a very complex structure of ground surfaces, including narrow, triangular facets that are grouped together, widening like a fan from the area near the tip of the diamond to surrounding side facets.
- the interplay of the multitude of different facets also leads to a complex, rather confusing appearance in its optical effect.
- the object of the invention is, while maintaining the original shape of the diamond crystal, to apply a cut which offers a new appearance in terms of brilliance and brightness.
- the fan-like group of additional facets on the lower part when viewing the gemstone from the upper part, leads to a reflection for the viewer in such a way that the four pyramid-shaped upper part facets per facet surface produce a radiating or star-shaped lighting effect, which in contrast to the previously known rather flat lighting effects in the known types of cuts mentioned at the outset.
- the fourfold focusing of light leads to reflection phenomena, from which the entire surface of the diamond is penetrated several times.
- 1 is a perspective view of the cut gem, obliquely from below,
- FIG. 2 is a plan view of the gem in the direction of arrow A of FIG. 3,
- Fig. 3 is a side view of the gem in the direction of Arrow C of FIGS. 4 and 4 is a bottom view of the gem in the direction of arrow B of FIG. 3.
- the upper part of the gemstone rises above the square Rondist level, which consists of four upper part facets 20.
- the top facet forms an isosceles triangle.
- the lower part of the diamond contains four lower part facets 10 ... 13, which also form an isosceles triangle.
- the common base side of the upper part facets and lower part facets is formed by a circumferential facet band 30 perpendicular to the circular plane.
- Each group 40 ... 43 of narrow, essentially triangular, additional facets extend from the four corners of the Rondist plane between the side edges of the lower part facets 10. 13 such that their narrow sides in the connecting lines between the tips of the lower part facets 10 ..13 collide with the narrow sides of the additional facets of the neighboring group.
- Each group consists of a central additional facet, the roof-like narrow sides of which form a pyramid-shaped cassette K of the lower part and to which four narrow, triangular additional facets are connected on both sides in the exemplary embodiment shown.
- the central additional facet is also designed as a narrow triangle, but it is also possible (not shown) to provide the central additional facet with parallel side edges so that its effect is approximately the circumferential facet band 30 corresponds.
- the planes of adjacent additional facets are inclined towards one another by a very acute angle, so that in the exemplary embodiment shown, the 36 additional facets terminate the gem between the lower part facets 10 ... 13 in a dome-shaped manner.
- the angle network between the upper part facets 20 ... 23 is between 23 ° and 30 °, depending on the type of gem, the angle ⁇ between the lower part facets 10 ... 13 and the Rondist plane is between 34 ° and 43 °.
- this gemstone cut in this way is largely determined by the dome-like arrangement of the additional facets, which, due to the multitude of angles of inclination and refraction that occur with light coming in uniformly from below, reflects a vivid optical image on the upper part facets, which is represented by uniformly arranged or distributed star-like lighting effects is characterized, which in their geometry reflect the naturally given geometry of the gem.
Landscapes
- Adornments (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Saccharide Compounds (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19605876 | 1996-02-19 | ||
DE19605876A DE19605876C1 (de) | 1996-02-19 | 1996-02-19 | Geschliffener Edelstein |
PCT/DE1997/000196 WO1997029661A1 (de) | 1996-02-19 | 1997-01-30 | Geschliffener edelstein |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0883356A1 true EP0883356A1 (de) | 1998-12-16 |
EP0883356B1 EP0883356B1 (de) | 2002-04-17 |
Family
ID=7785650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97914110A Expired - Lifetime EP0883356B1 (de) | 1996-02-19 | 1997-01-30 | Geschliffener edelstein |
Country Status (9)
Country | Link |
---|---|
US (1) | US6029474A (de) |
EP (1) | EP0883356B1 (de) |
JP (1) | JP2000505319A (de) |
AT (1) | ATE216199T1 (de) |
AU (1) | AU2150897A (de) |
CA (1) | CA2242616A1 (de) |
DE (2) | DE19605876C1 (de) |
IL (1) | IL125385A (de) |
WO (1) | WO1997029661A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19734036A1 (de) * | 1997-08-06 | 1999-02-11 | Helmut Buerger | Verfahren zur Festlegung eines Edelsteinschliffs mit hoher Reflektion, Verfahren zum Schleifen eines Edelsteins mit hoher Reflektion sowie geschliffener Edelstein mit hoher Reflektion |
JP3643541B2 (ja) * | 2000-08-25 | 2005-04-27 | 株式会社ほほえみブレインズ | 装飾用ダイヤモンドのカットデザイン |
US6564583B2 (en) | 2001-04-24 | 2003-05-20 | Martin Gruber Gruber | Jewelry with girdle-grooved stone |
EP1694155B1 (de) * | 2003-12-02 | 2009-02-11 | Abittan Abrasives & Colour Me & Drop-a-Diamond & Pearl of Diamond & Faceted Rocks 100% Diamond | Edelstein mit facetten |
DE102008046972B4 (de) * | 2008-09-12 | 2016-03-24 | Helmut Bürger | Facettiert geschliffener Edelstein, insbesondere Diamant |
US20120047948A1 (en) * | 2010-08-31 | 2012-03-01 | Nirav Modi | Multifaceted gemstones with connecting link |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1557625C3 (de) * | 1967-01-21 | 1973-10-25 | Bernd 6581 Stipshausen Munsteiner | Geschliffener Edelstein |
US4020649A (en) * | 1976-05-27 | 1977-05-03 | Henry Grossbard | Brilliantized step cut diamond |
DE3202302C2 (de) * | 1982-01-26 | 1984-01-26 | Atelier-Juwel Georg Bunz, 7544 Dobel | Geschliffener Edelstein, insbesondere Diamant |
CH684301A5 (de) * | 1991-03-19 | 1994-08-31 | Diamine S A | Schliff-Form für Edelsteine. |
DE4210995C2 (de) * | 1992-04-02 | 1997-04-03 | Ulrich Dr Freiesleben | Geschliffener Edelstein, insbesondere Diamant |
-
1996
- 1996-02-19 DE DE19605876A patent/DE19605876C1/de not_active Expired - Fee Related
-
1997
- 1997-01-30 IL IL12538597A patent/IL125385A/en unknown
- 1997-01-30 CA CA002242616A patent/CA2242616A1/en not_active Abandoned
- 1997-01-30 DE DE59707057T patent/DE59707057D1/de not_active Expired - Fee Related
- 1997-01-30 US US09/125,194 patent/US6029474A/en not_active Expired - Fee Related
- 1997-01-30 WO PCT/DE1997/000196 patent/WO1997029661A1/de active IP Right Grant
- 1997-01-30 AU AU21508/97A patent/AU2150897A/en not_active Abandoned
- 1997-01-30 EP EP97914110A patent/EP0883356B1/de not_active Expired - Lifetime
- 1997-01-30 AT AT97914110T patent/ATE216199T1/de not_active IP Right Cessation
- 1997-01-30 JP JP9528873A patent/JP2000505319A/ja active Pending
Non-Patent Citations (1)
Title |
---|
See references of WO9729661A1 * |
Also Published As
Publication number | Publication date |
---|---|
IL125385A (en) | 2002-11-10 |
WO1997029661A1 (de) | 1997-08-21 |
US6029474A (en) | 2000-02-29 |
CA2242616A1 (en) | 1997-08-21 |
DE59707057D1 (de) | 2002-05-23 |
EP0883356B1 (de) | 2002-04-17 |
JP2000505319A (ja) | 2000-05-09 |
IL125385A0 (en) | 1999-03-12 |
ATE216199T1 (de) | 2002-05-15 |
AU2150897A (en) | 1997-09-02 |
DE19605876C1 (de) | 1997-05-28 |
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