| 摘要 |
A setting comprising a mounting, a stone and fastening elements, said mounting containing at least two smooth bore holes spaced apart a distance to receive between them the stone and said fastening elements each comprising a head of larger diameter than the holes, each having an underside corresponding substantially in slope to the slope of the table of the stone and a shank of smaller diameter than the hole having at least one radial protrusion of larger diameter than the hole, said fastening elements being forced into the holes to a position such that the undersides of the heads have engagement with the table of the stone and the protrusions are wedged into the sides of the hole and a method of assembling and securing the stones to the mounting.
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