EP0845226B1 - Fassung für Edelsteine - Google Patents

Fassung für Edelsteine Download PDF

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Publication number
EP0845226B1
EP0845226B1 EP19960308624 EP96308624A EP0845226B1 EP 0845226 B1 EP0845226 B1 EP 0845226B1 EP 19960308624 EP19960308624 EP 19960308624 EP 96308624 A EP96308624 A EP 96308624A EP 0845226 B1 EP0845226 B1 EP 0845226B1
Authority
EP
European Patent Office
Prior art keywords
jewelry
section
claw
holding device
support seat
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
EP19960308624
Other languages
English (en)
French (fr)
Other versions
EP0845226A1 (de
Inventor
Kazusane Afuku
Akira Koitabashi
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.)
Yama Co Ltd
Original Assignee
Yama Co 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 Yama Co Ltd filed Critical Yama Co Ltd
Priority to EP19960308624 priority Critical patent/EP0845226B1/de
Priority to DE1996621241 priority patent/DE69621241T2/de
Publication of EP0845226A1 publication Critical patent/EP0845226A1/de
Application granted granted Critical
Publication of EP0845226B1 publication Critical patent/EP0845226B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C3/00—Medals; Badges
    • A44C3/004—Medals
    • A44C3/008—Suspension loops or rings
    • 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
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C25/00—Miscellaneous fancy ware for personal wear, e.g. pendants, crosses, crucifixes, charms
    • A44C25/001—Pendants

Definitions

  • the present invention relates to a jewelry holding device for holding a facet-cut jewelry used in accessories such as rings, pendants, brooches and clipped or pierced ear rings.
  • a jewelry holding device 101 disclosed in DE-A-3931109 (JP-A-5-37041), comprises a ring part 102 and a U-shaped metallic base 103 laterally fixed onto the ring part 102.
  • the U-shaped metallic base 103 includes an upper leg part 104 and a lower leg part 105 longer than the upper leg part 104 and having a hole 107 with an indentation 106.
  • a facet-cut jewelry 114 is held by the jewelry holding device 101 at three points: the upper leg part 104, the indentation 106 of the lower leg part 105, and a lateral part 108.
  • a jewelry attachment structure disclosed in the JP-A-6-8730, comprises a claw section 111 forming a concave surface 110 attached near a girdle 116 of a facet-cut jewelry 114.
  • the jewelry holding device of fig. 3 is formed by two separate parts, the U-shaped metallic base 103 and the ring part 102, and therefore, problems of manufacturing with two separate parts in relation to such things as strength of attachment between the two parts, positioning, and surface finishing become troublesome issues.
  • the claws of the jewelry attachment structure of figs. 4A and 4B do not reach to the table 117, and hence, to secure the jewelry tightly the claws have to be widened significantly and cannot be made narrow.
  • EP-A-0645104 discloses a jewel setting method in which a jewel is set around its periphery in a hole in an object. A plurality of claws or one annular claw engages the crown of the jewel. Most of the cut surface of the jewel is hidden in the object.
  • the aims of the present invention are to provide an aesthetically pleasing jewelry holding device that exposes adequately the cut surfaces of the jewelry, that can be manufactured easily, and that securely holds the jewelry.
  • the present invention provides a jewelry holding device for holding a facet-cut jewelry on one side of the axis of said facet-cut jewelry, in which said facet-cut jewelry has a frusto-conical section having a crown and a table formed by cutting the top side of a conic section, a lower conical section located at the lower side of said frusto-conical section having a pavilion and a culet, and a girdle located between said crown and said pavilion; said device comprising a single claw for contacting with said table and a support seat for supporting around said culet, characterised in that the single claw is for additionally contacting the crown and in that the device further comprises an engaging member extending between said claw and said support seat for contacting with said pavilion, and a concave arc formed between said claw and said engaging member for avoiding contact with said girdle, wherein said claw, said engaging member, and said support seat are integrally formed.
  • the jewelry holding device of the present invention the jewelry can be securely held without the concern for detachment and the cut surfaces can be adequately exposed for view with the utilization of the claw, the engaging member for engaging with the lower conical section, and the support seat. Since this jewelry holding device is integrally formed, it is reliably strong, can be manufactured easily, and is aesthetically pleasing to look at. Further, since the concave arc is provided for avoiding contact with the girdle which is between the frusto-conical section and the lower conical section of a jewelry, the holding device can hold any jewelry with different girdle thickness and different angle formed by the girdle and the crown. Since the girdle and the neighbouring region do not contact the jewelry holding device, the jewelry can be securely held.
  • the concave arc comprising a contact avoiding section is formed in a concave shape to have the capability of deforming elastically when the jewelry holding device is holding the jewelry. Since, elastic deformation also occurs between the claw and the support seat with the elastic deformation of the concave arc comprising a contact avoiding section, fixing or holding the jewelry can be easily accomplished; and after holding or fixing the jewelry, elastic force prevents the jewelry from coming off.
  • the end of the claw contacting with the table is positioned at the outer side of the support seat at the lower conical section of the jewelry.
  • This claw in addition to the effects as described above, allows the cut surfaces of the jewelry to be adequately exposed to improve the aesthetics of the jewelry.
  • the present invention is related to a jewelry holding device for holding or fixing facet-cut precious or semi-precious stones such as sapphires, rubies, and diamonds used in accessories, namely, rings, pendants, broaches, clipped or pierced ear rings, and so on.
  • facet-cut precious or semi-precious stones such as sapphires, rubies, and diamonds used in accessories, namely, rings, pendants, broaches, clipped or pierced ear rings, and so on.
  • Fig. 1 shows one embodiment of a jewelry holding device of the present invention, wherein fig. 1A is a frontal view and fig. 1B is a side view.
  • Fig. 2 shows the jewelry holding device of fig. 1 in different views: fig. 2A is a bottom view, fig. 2B a top view, and fig. 2C an enlarged view of the girdle between the frusto-conical section and the lower conical section of the jewelry.
  • a jewelry holding device 1 of the embodiment shown in figs. 1 and 2 holds a facet-cut jewelry 14.
  • This jewelry has a frusto-conical section 15 which includes a crown 17, which is the conical side surface of the upper approximate conical section, and a table 16 which is a flat section formed by cutting the top side of this approximate conical section in parallel with the bottom surface 18 and has a lower conical section 19, approximately conical, at the lower side.
  • the jewelry holding device 1 of the embodiment comprises a claw section 4 of narrow width for engaging with the crown 17 and the table 16, an engaging section 11 for engaging with a pavilion 21, which is the side conical surface of the lower conical section 19, a support seat 9 for supporting the region near a culet 20, which is the head point of the lower conical section 19, wherein the claw section 4, the engaging section 11, and the support seat 9 are integrally formed. Further, the jewelry holding device 1 is provided with a contact avoiding section 7 for avoiding contact with a girdle 22 between the crown 17 and the pavilion 21.
  • the claw section 4 engages with both the crown 17 and the table 16 of the jewelry 14. And in this embodiment, from the direction looking through the table 16, the end 5 of the claw section 4 that engages with the table 16 is positioned at the outer side of the support seat 9 at the lower conical section of the jewelry 14. Aside from the part of the contact avoiding section 7 of the pavilion 21, the engaging section 11 with a certain width engages with the pavilion 21 all the way to the support seat 9.
  • the support seat 9 supports the region around the culet 20 of the jewelry 14, and in this embodiment, forms a circumferential seat with a corner section of a seat hole 10.
  • the support seat 9 need not have this corner section but could have a planar surface structure for receiving the jewelry 14.
  • the seat hole 10 as shown in fig. 1A can be a hole that is bored through, but it can also be U-shaped cross-sectionally such that the hole does not bore through to the other side.
  • the contact avoiding section 7 is concave shaped with sufficient allowable elastic deformation for holding the jewelry 14 by the jewelry holding device 1. Its inner structure forms a concave arc that exceeds 180 degrees viewed from the side, and the inner diameter 7a has a substantial length.
  • the contact avoiding section 7 in the present embodiment forms an arc but need not necessarily be limited to this shape in that it can be elliptical, rectangular or triangular as well. However, from the stand point of stress concentration, it would be preferable to have the inner structure of the contact avoiding section 7 formed in a smooth line.
  • the arc or arcuate inner structure of the contact avoiding section 7 does not concentrate stress, and hence; it does not easily break. Also, this structure would be easier to manufacture.
  • the position of the end 5 of the claw section 4 engaging with the table 16 is at a position outside of the support seat 9 at the lower conical section of the jewelry 14.
  • the hole 12 is for passing through a string or a chain at the upper side.
  • the aforementioned claw section 4, the contact avoiding section 7, the engaging section 11, and the support seat 9 and such are integrally formed in that after subjecting one jewelry holding device material to cutting and grinding process, forging process, and forming process, if necessary, the surface processing procedure and heat treatment procedure and such are applied.
  • An appropriate order of these procedures -- forming process, surface processing procedure, heat treatment procedure, etc.-- is determined by considering these procedures as a whole in combination.
  • the jewelry holding device 1 of the embodiment having the aforementioned structure is actualized in the following manner.
  • the jewelry holding device 1 of the embodiment comprising the claw section 4 engaged with the crown 17 and the table 16, the engaging section 11 engaged with the pavilion 21 of the lower conical section, and the support seat 9 supporting the region around the culet 20 of this lower conical section, there is no movement or looseness of the jewelry since the claw section 4 contacts all the way to the table 16; and the jewelry is held tightly without the concern of it becoming detached because of the reinforcement of the claw section 4, the engaging section 11 and the support seat 9.
  • the jewelry holding device 1 has a claw of narrow width such that the jewelry is exposed significantly more to improve the aesthetics. Moreover, since the device is integrally formed, it is reliably strong as well as being easy to manufacture, and since the clamping processes for fixing the jewelry are reduced, cost reduction is also realized.
  • Fig. 2C indicates an enlarged view of the structure of the girdle 22 of the jewelry 14. Even against the variation on the structure of the jewelry 14, especially on the thickness of the girdle, since the contact avoiding section 7 is provided to avoid contacting the girdle, the crown 17 and the pavilion 21 of the jewelry 14 are able to engage with and contact the jewelry holding device 1 securely and the jewelry itself is held very securely.
  • the contact avoiding section 7 is formed in a concave shape size capable of elastic deformation, that is, formed in a relatively large concave arc or arcuate shape for adequately holding the jewelry, an elastic deformation can occur between the claw section 4 and the support seat 9 to sandwich the jewelry 14 in between, and additionally, the jewelry can be held securely even when there are variations in the angle formed by the girdle and the crown.
  • the end 5 of the claw section 4 engaged with the table 16 is positioned at the outer side of the support seat 9 at the lower conical section of the jewelry 14, so that, with respect to fig. 1B, the force operating from the claw section 4 to the jewelry 14 and the force operating from the engaging section 11 to the jewelry 14 balance to stably hold the jewelry and, at the same time, the device 1 allows significant exposure of the surfaces of the jewelry to maintain or improve the aesthetics.

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  • Adornments (AREA)

Claims (2)

  1. Schmuckstückhaltevorrichtung (1) zum Halten eines Schmuckstückes mit geschliffenen Kristallflächen (14) auf einer Seite der Achse des Schmuckstückes mit geschliffenen Kristallflächen (14), an der das Schmuckstück mit geschliffenen Kristallflächen (14) einen Kegelstumpf-Abschnitt (15) hat, der aufweist, ein Oberteil bzw. eine Krone (17) und eine Tafel (16), die durch Schleifen der Oberseite eines konischen Abschnittes gebildet ist, einen unteren konischen Abschnitt (19), der an der unteren Seite des Kegelstumpf-Abschnittes (15) gelegen ist und ein Unterteil bzw. einen Pavillon (21) und eine Kalette (20) aufweist, und eine Rondiste bzw. einen Gürtel (22), die zwischen dem Oberteil bzw. der Krone (17) und dem Unterteil bzw. dem Pavillon (21) gelegen ist; wobei die Vorrichtung (1) eine einzelne Klaue (4) zum Berühren mit der Tafel (16) und ein Stützauflager (9) für das Stützen um die Kalette (20) herum aufweist, dadurch gekennzeichnet, dass die einzelne Klaue (4) zum zusätzlichen Berühren des Oberteiles bzw. der Krone (7) vorhanden ist und dass die Vorrichtung (1) ferner aufweist, ein eingreifendes Teil (11), das sich zwischen der Klaue (4) und dem Stützauflager (9) zum Berühren mit dem Unterteil bzw. dem Pavillon (21) erstreckt, und einen konkaven Bogen (7), der zwischen der Klaue (4) und dem eingreifenden Teil (11) zum Vermeiden der Berührung mit der Rondiste bzw. dem Gürtel (22) gebildet ist, wobei die Klaue (4), das eingreifende Teil (11) und das Stützauflager (9) einstückig gebildet sind.
  2. Schmuckstückhaltevorrichtung nach Anspruch 1, wobei das Ende der Klaue (4), die mit der Tafel (16) in Berührung ist, an der Außenseite von dem Stützauflager (9) an dem unteren konischen Abschnitt (19) des Schmuckstückes (14) positioniert ist, wenn aus einer Richtung betrachtet wird, die durch die Tafel (16) hindurch sieht.
EP19960308624 1996-11-28 1996-11-28 Fassung für Edelsteine Expired - Lifetime EP0845226B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19960308624 EP0845226B1 (de) 1996-11-28 1996-11-28 Fassung für Edelsteine
DE1996621241 DE69621241T2 (de) 1996-11-28 1996-11-28 Fassung für Edelsteine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19960308624 EP0845226B1 (de) 1996-11-28 1996-11-28 Fassung für Edelsteine

Publications (2)

Publication Number Publication Date
EP0845226A1 EP0845226A1 (de) 1998-06-03
EP0845226B1 true EP0845226B1 (de) 2002-05-15

Family

ID=8225165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960308624 Expired - Lifetime EP0845226B1 (de) 1996-11-28 1996-11-28 Fassung für Edelsteine

Country Status (2)

Country Link
EP (1) EP0845226B1 (de)
DE (1) DE69621241T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006109153A2 (fr) * 2005-04-15 2006-10-19 Blue Land Limited Sertissage a deux bras

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7132975U (de) * 1972-05-04 J Bergs & Co Fassung für Schmucksteine und Perlen
DE3931109C1 (en) * 1989-09-18 1991-03-14 Diambiel Ag, Lengnau, Ch Jewellery stone mounting - has seat on stone with U=shaped retaining strap on mounting
JPH068730A (ja) 1992-04-17 1994-01-18 Mori Masaaki 自動車の後部窓用日除け
GB2298566B (en) * 1992-08-01 1997-03-19 T A Durant Limited Jewellery
US5475910A (en) * 1993-09-28 1995-12-19 Yamamoto; Katsumi Jewel setting method

Also Published As

Publication number Publication date
DE69621241T2 (de) 2002-12-05
EP0845226A1 (de) 1998-06-03
DE69621241D1 (de) 2002-06-20

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