JP4333882B2 - Invisible mating of jewels - Google Patents

Abstract

An item of jewelry ( 1 ) consisting of a central stone ( 2 ) and several peripheral stones ( 3 ) arranged on a support ( 4 ). Said support ( 4 ) comprises a first ring ( 5 ) concentric with and connected to a second ring ( 6 ) smaller in diameter and greater in height than the first ring ( 5 ). The second ring ( 6 ) comes to a T-shaped shoulder ( 8 ) on its top edge with one side designed to be snapped into a longitudinal groove ( 9 ) passing all the way around the circumference of the pavilion ( 10 ) of the central stone ( 2 ) and its other side is snapped into a groove ( 11 ) present in one of the facets near the edge of each peripheral stone ( 3 ). The peripheral stones are held firmly in their positions by a slot ( 12 ) formed on the inside of the perimeter of the first ring ( 5 ).

Description

  The present invention relates to the field of jewelry, and more particularly to jewelry that includes an invisible fixation system that allows the assembly of multiple gems.

  This invisible fixation system makes it possible to create an aesthetic aspect that gives the illusion that only a single large gemstone is visible when viewed from the table side, due to the special arrangement of multiple gemstones.

  Invisible fitting is well known and widely used in the field of jewelry. Multiple processes of invisible jewel fitting are already part of the state of the art.

  To facilitate comprehension of this report, FIG. 7 represents a jewel, in conjunction with the usual terminology used, inter alia, in the following part of the report.

  The document US Pat. No. 6,112,552 proposes an invisible fixing system consisting of a plurality of parallel grooves for receiving rectangular jewels arranged side by side. The width of the groove was determined in such a way as to make the fixing means invisible when all the stones were assembled. The groove recesses on the one hand make it possible to assemble the stones by simply applying pressure, and on the other hand, these stones are brought together by the pressure applied by the shoulders in the longitudinal undercut cut in the gem pavilion. It has a certain elasticity and shoulder to allow it to remain in place. This device is usually called a rail-type fitting frame.

  Document French Patent No. 2627359, on the one hand, does not have a concave finish on one stone only (concave finish is a terminology that refers to a longitudinal undercut to be cut in a pavilion) On the other hand, it proposes an invisible fitting that has the advantage of reducing the appearance of undercuts on the gem table side. Recessed stones maintain unrecessed stones in their storage. This device only makes it possible to mitigate rather than remove the undercut on the stone table side.

  The document U.S. Pat. No. 5,649,434 proposes an invisible fit for a single diamond of the “brilliant cut” shape. This diamond has two flat surfaces positioned on the diamond pavilion, 180 ° to each other just below the girdle plane. Each of these two surfaces has a longitudinal undercut into which a shoulder positioned on the inner diameter on the edge side of the cylinder that serves as a support is pressed. The outer diameter of this cylinder corresponds to the diameter of the girdle surface in such a way that it can be partially hidden when observing the diamond.

  All devices described in the state of the art make it possible to place jewels in parallel to one another, thus limiting the resulting geometry to only rectangles or squares. On the other hand, these devices, while hiding the support, do not eliminate the appearance of table-side undercuts when the jewels are assembled together. Invisible fittings aimed at round geometries, such as document US Pat. No. 5,649,434, have only one stone.

  It is an object of the present invention to provide a mysterious or invisible uniqueness that allows a plurality of pre-determined jewels to be assembled around a central jewel in such a way as to completely eliminate the undercut on the jewel table side. To propose a mating system. In this way, it is possible to create an aesthetic aspect that gives the illusion that when the gemstone is viewed on the table side, it appears to be the only gemstone of large dimensions.

  According to the invention, this object is achieved by a jewelery consisting of a central stone and a plurality of peripheral stones arranged around this stone on one special support. The support has a first ring that is integral and concentric with a second ring that has a smaller diameter and a higher height than the first ring. The rings are integrated by, for example, branches gathering at a plurality of points arranged between the bases of the first and second rings at regular intervals. The second annulus is one side designed to be pushed into a longitudinal undercut all around the center stone pavilion and an undercut on one of the surrounding stone facets. It has a T-shaped shoulder on its upper edge with the other side pushed into it. These surrounding stones are likewise firmly held in place by a single groove made on the inner circumference of the second ring.

  This jewelery has the advantage of exhibiting a continuous glow between the central stone (2) and the surrounding stone (3), since there is no undercut normally introduced by the system described in the state of the art. Have.

  Thus, this jewelery has the same aesthetic appearance as an ordinary gem of different sizes, such as 5, 10 or 15 carats, at a much lower cost due to the significant savings in raw materials.

  Other features of the invention are set forth in the following claims, and will be apparent in the following description.

  One embodiment of the present invention is described below as an example, without limiting meaning, with reference to the schematic drawings.

  According to this embodiment of the invention, the jewelry (1) consists of one octagonal diamond (2) and eight small trapezoidal diamonds (3). These diamonds are maintained in an integrated manner by means of a special support (4).

  The support (4) is composed of a first ring (5) concentric with a second ring (6) having a smaller diameter and higher height than the first ring (5). . The two rings (5, 6) are integrated into the base by a plurality of branches (7) that converge at a single point arranged at regular intervals. The second ring (6) has a T-shaped shoulder (8) on its upper edge. One of the sides of the shoulder (8) is driven into a longitudinal undercut (9) around the entire perimeter of the octagonal diamond (2) pavilion (10). The other side of the shoulder (8) is driven into an undercut (11) on one of the facets close to the edge of each small diamond (3). This diamond is likewise firmly held in place by a single groove made on the inner circumference of the first ring (5). The arrangement of juxtaposing each small diamond (3) on the circumference of the central stone (2) by means of the support (4) makes it possible to reproduce the crown of brilliant cut diamonds in a continuous form.

  The eight small diamonds (3) have a length of one edge of their sides equal to the length of one edge of the facet (14) positioned on the crown of the octagonal diamond (2). Cut in the same shape.

  The height and diameter of the first ring creates the incidence angle of the eight small diamond (3) table (13) corresponding to one incidence angle of the facet (14) of the octagonal diamond (2) crown. It was decided in such a way.

  The facet arrangement of the octagonal diamond (2) crown is adjacent to one of the edges of the small diamond (3) table (13) to reconstruct the "brilliant cut" diamond bezel (15) It is implemented in such a way. The arrangement of two facets reconstructing the bezel (15) on the same plane ensures that the shine lasts.

  Thus, this mating system uses only about one-tenth of the raw material needed to achieve this type of real diamond, and is real small to a larger “brilliant cut” diamond when viewed from above. It makes it possible to process diamond “16/16 cut”.

  In this implementation, the circumference of the cylinder (5) is continuously opaque, thus hiding the fixing device, while the cylinder (6) can exhibit a discontinuity.

  The embodiment has no restrictive meaning, and therefore, instead of the above-described embodiment, the diamond can be replaced with any other type of precious or semi-precious stone, and jewelry that exhibits various aesthetic aspects can be obtained. It is also possible to make proposals.

  The jewelry (1) can be mounted on a ring or pendant.

  The present invention is not limited to rings, and can be applied to all types of jewelry such as earrings, necklaces, and bracelets.

  The present invention also relates to a decorative article having the jewelry of the present invention.

The perspective view of jewelry is represented. The bottom view of jewelry is represented. The top view of jewelry is represented. FIG. 4 represents a cross-sectional view of the jewelry along line AB in FIG. Represents a top view of the center stone. The front view of the center stone is shown. 1 represents a bottom view of one of the surrounding stones. Fig. 6a represents the front view of Fig. 6a. Fig. 6b represents a side view of Fig. 6a. Represents an ordinary jewel with an indication of the usual terms used in jewelry.

Claims (6)

Stone (2) the outer peripheral edge of the octagonal central viewed from above, are arranged around the eight stones (3) comprises a jewelery outer periphery as viewed from above each of which is formed into a substantially trapezoidal (1 ) comprising,
The central stone (2) and the substantially trapezoidal stone (3) are arranged on a support (4);
The support (4) has a first ring (5) and a second ring (6) having a smaller diameter and a larger height than the first ring (5), Ring (5) of the second ring (6) is integrated and concentric,
One side where the second ring (6) is adapted to be pushed into a longitudinal undercut (9) on the entire circumference of the pavilion (10) of the central stone (2); Having a T-shaped shoulder (8) on its upper edge with the other side pushed into the undercut (11) on each substantially trapezoidal stone (3);
Each substantially trapezoidal stone (3) is firmly held in place by one groove (12) made on the inner circumference of the first ring (5) ;
Each side forming the octagon of the outer periphery of the central stone (2) is one side of the sides forming the approximate trapezoid of the outer periphery of the corresponding substantially trapezoidal stone (3). Opposite
Of the sides forming the substantially trapezoidal shape of the outer peripheral edge of the substantially trapezoidal stone (3), two sides in contact with the respective ends of the one side are substantially the same as the outer peripheral edge of the adjacent substantially trapezoidal stone (3). Opposite the sides forming the trapezoid,
The jewelry (1), wherein the central stone (2) and the eight substantially trapezoidal stones (3) are integrated with each other by the support (4) to form a brilliant cut . 2. Jewelry according to claim 1, characterized in that the table (13) of the substantially trapezoidal stone (3) and the facet (14) of the crown of the central stone (2 ) have the same angle of incidence. 1). The length of one edge of the sides of the substantially trapezoidal stone (3) is the same as the length of one edge of the facet (14) on the crown of the central stone (2). The jewelery according to claim 1, wherein the jewelery is provided. The arrangement in which the substantially trapezoidal stone (3) is juxtaposed around the central stone (2) by the support (4) makes it possible to reproduce the crown of the brilliant cut in a continuous form. The jewelery according to any one of claims 1 to 3.   The jewelry according to any one of claims 1 to 4, which is in the form of a ring, a pendant, an earring or a necklace.   The ornament which has the jewelry as described in any one of Claims 1-5.

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