EP1139811A1 - Monture de pierres precieuses - Google Patents

Monture de pierres precieuses

Info

Publication number
EP1139811A1
EP1139811A1 EP00900248A EP00900248A EP1139811A1 EP 1139811 A1 EP1139811 A1 EP 1139811A1 EP 00900248 A EP00900248 A EP 00900248A EP 00900248 A EP00900248 A EP 00900248A EP 1139811 A1 EP1139811 A1 EP 1139811A1
Authority
EP
European Patent Office
Prior art keywords
gemstone
frame
setting
gemstones
spring
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Withdrawn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
EP00900248A
Other languages
German (de)
English (en)
Inventor
Stephen Wai To Metal Manuf. Ltd LEE TZE HANG
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.)
Wai To Metal Manufactory Ltd
Original Assignee
Wai To Metal Manufactory Ltd
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 Wai To Metal Manufactory Ltd filed Critical Wai To Metal Manufactory Ltd
Publication of EP1139811A1 publication Critical patent/EP1139811A1/fr
Withdrawn legal-status Critical Current

Links

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
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C17/00—Gems or the like
    • A44C17/02—Settings for holding gems or the like, e.g. for ornaments or decorations

Definitions

  • Gemstones are commonly used in items of jewellery such as bracelets, rings and watch straps.
  • the gemstones may be facetted or polished to have a smooth surface and are generally mounted in a metal setting.
  • the gemstone is generally held in a cup shaped setting, into which the gemstone is placed from the open end of the cup. It is held in place in its setting by a set of claws which are bent over the open end of the cup and the gemstone, or in a rubbed over setting a continuous metal rim around the open end of the cup is bent around the gemstone after it is placed in the setting.
  • claws or rim may be too brittle to bend over the gemstone.
  • the setting has been plated before the gemstones are added, bending of the setting may damage the plating.
  • a further disadvantage of claw settings is that the claws protrude and may catch on the wearer's clothing.
  • a setting for a gemstone comprises: a frame defining an opening for receiving at least one gemstone wherein the opening comprises a rim protruding inwards around a first end of the opening so that the gemstone or gemstones may be placed into the other end of the opening such that they abut the rim; a spring for holding the gemstone or gemstones in the frame having a plurality of teeth around its perimeter; wherein the spring is received in the first end of the opening of the frame such that the teeth engage the sides of the frame and the gemstone or gemstones are held between the spring and the rim of the frame.
  • the setting of the present invention allows the gemstones to be mounted with no protruding claws and the setting does not require the bending of claws or a rim over the gemstone.
  • the inside of the frame includes a groove or recess into which the teeth of the spring element engage.
  • the teeth of the spring element bend to snap into the groove in the frame to hold the gemstone in place, but the spring element is concealed from view on the underside of the setting and therefore need not be plated.
  • the spring element is made of metal, but it may be made from a plastics material.
  • the teeth extend at an angle to the plane of the remainder of the spring.
  • the teeth therefore bend inwards, the free ends bending towards one another, as the spring is pushed into position and tension the spring element to push the gemstones against the rim of the frame when the spring element is engaged in the groove.
  • the spring includes a hole or depression for receiving the underside of each gemstone. Holes in the spring element provide an interface with the air at the facets on the underside of the gemstone, and for a transparent gemstone will give better reflection of light from inside the gemstone hence improving the sparkle of the stone.
  • the holes or depressions also more stably hold a gemstone which is facetted to a point or curved on its underside.
  • a set gemstone comprises a setting as described above and a gemstone mounted in the setting.
  • a link for a bracelet or watch strap comprises a setting as described above having a pivotal connection for attachment to an adjacent link.
  • Figure 1 shows a plan view of a first embodiment of the present invention
  • Figure 2 shows a section of the first embodiment of the present invention
  • Figure 3 shows a section of the first embodiment of the present invention
  • Figure 4 shows a plan view of the underside of the first embodiment of the present invention
  • Figure 5 shows a planned view of a second embodiment of the present invention
  • Figure 6 shows a section of the second embodiment of the present invention
  • Figure 7 shows a plan view of the underside of the second embodiment of the present invention.
  • FIGs 1 to 4 illustrate a first embodiment of the present invention.
  • a link for a bracelet or a watch strap includes three square cut gemstones 2 which are mounted in a frame 1 having a generally rectangular opening for receiving the gemstones.
  • Figure 1 shows a plan view of the link.
  • Figure 2 shows a section in a direction illustrated by the arrow C and
  • Figure 3 shows a section in a direction illustrated by the arrow D.
  • the gemstones 2 are placed into the frame 1 so that they abut the rim 4 of the frame 1.
  • a spring element 3 has three holes 7 for receiving the facetted points of the undersides of the gemstones 2.
  • the spring element 3 holds the gemstones 2 in place, pressed against the rim 4 of the frame.
  • Figure 4 shows a plan view of the underside of the link.
  • the undulating shape of the perimeter of the spring element 3 forms teeth 5, around the edge of the spring element 3 which engage in a groove 6 around the inside of the frame 1.
  • the teeth 5 extend at an angle to the plane of the spring element 3 in a direction away from the gemstones. This facilitates engagement of the spring element with the groove 6.
  • the gemstones are positioned in the frame, and the spring element 3 is pushed into the opening from the underside of the frame.
  • the teeth 5 flex inwards until they reach the groove 6 and spring outwards into engagement with the groove 6, holding the gemstones in position in the frame.
  • Linking means 8 are provided at either end of the frame, so that a number of links may be connected to form a bracelet or strap.
  • Figures 5 to 7 show a second embodiment of the present invention having a single oval shaped gemstone 2.
  • the opening in the frame for receiving the gemstone 2 and the spring element 3 for holding the gemstone in position are also oval in shape.
  • the present invention may be employed to set a gemstone of any shape or arrangement of gemstones.

Landscapes

  • Adornments (AREA)

Abstract

L'invention porte sur une monture de pierres précieuses comprenant un cadre (1) présentant une ouverture recevant au moins une pierre (2) munie d'un rebord saillant vers l'intérieur autour d'une première extrémité de l'ouverture de manière à pouvoir placer la ou les pierres dans l'autre extrémité de l'ouverture, buttant sur le rebord (4). La ou les pierres (2) sont maintenues en place par un ressort dentelé (5) à la périphérie et montés dans la première extrémité de l'ouverture de manière à ce que les dents (5) s'engagent dans les côtés du cadre et que la ou les pierres soient retenues entre le ressort (3) et le rebord (4) du cadre. La monture permet un montage sans griffes à courber ni rebord entourant la pierre.
EP00900248A 1999-01-14 2000-01-11 Monture de pierres precieuses Withdrawn EP1139811A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9900807 1999-01-14
GB9900807 1999-01-14
PCT/GB2000/000045 WO2000041587A1 (fr) 1999-01-14 2000-01-11 Monture de pierres precieuses

Publications (1)

Publication Number Publication Date
EP1139811A1 true EP1139811A1 (fr) 2001-10-10

Family

ID=10845939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00900248A Withdrawn EP1139811A1 (fr) 1999-01-14 2000-01-11 Monture de pierres precieuses

Country Status (3)

Country Link
EP (1) EP1139811A1 (fr)
AU (1) AU1991300A (fr)
WO (1) WO2000041587A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0404472D0 (en) * 2004-02-28 2004-03-31 G & A Mfg Ltd Item of jewellery and setting therefor
FR2870687A1 (fr) * 2004-05-25 2005-12-02 Marc Claude Boutemy Bijou transformable
FR2870690A1 (fr) * 2004-05-25 2005-12-02 Marc Boutemy Bijou transformable

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR15305E (fr) * 1912-06-18 Eugene Coste Procédé de fixation des brillants, pierres, perles et similis
US2674107A (en) * 1952-02-01 1954-04-06 Walter H Bodnar Means for interchangeably mounting stones in jewelry pieces
CH324011A (fr) * 1955-07-01 1957-08-31 Nobs Henri Dispositif de fixation d'une pierre d'ornement dans sa monture
GB821446A (en) * 1956-07-04 1959-10-07 Wyvern Fountain Pen Co Ltd Costume or fashion jewellery
FR1378979A (fr) * 1963-10-05 1964-11-20 Gay Freres Ets Bouton de manchette à décor amovible
DE3510200A1 (de) * 1985-03-21 1986-09-25 Anorthe 5407 Boppard Witt Pave-chaton-fassung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0041587A1 *

Also Published As

Publication number Publication date
WO2000041587A1 (fr) 2000-07-20
AU1991300A (en) 2000-08-01

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