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Patent Searching and Data


Title:
JEWEL, FIXING STRUCTURE OF JEWEL TO SETTING, AND EYEGLASS FRAME WITH THE JEWEL
Document Type and Number:
Japanese Patent JP2008279082
Kind Code:
A
Abstract:

To provide a cut structure of jewels which is capable of conjuring up an image of a natural product such as clover having assembled leaves, by refraction and reflection of light in a single jewel.

This cut jewel 1 having transparency is so formed that a girdle 15, being a circumferential ridge of a jewel body, is formed into a regular square in a top view, a crown 10 above the girdle is formed into a shape having a substantially flat table 11 at the center and a slope part 12 extending from the table to the girdle on the circumference, a pavilion 20 below the girdle is formed into a quadrilateral shape concentrically with its axis of the right square shape of the girdle in top view, the respective side faces 22 of the pavilion is formed with V-grooves 30 continuously extending from the centers of the respective sides 14 of the girdle toward the vicinity of a curette 21, being the top of the pavilion while gradually reducing the cross-section of the groove, and parts of the centers of the respective sides of the girdle are notched toward the slope part of the crown into V-grooves.


Inventors:
ONODA TETSUHISA
Application Number:
JP2007126157A
Publication Date:
November 20, 2008
Filing Date:
May 10, 2007
Export Citation:
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Assignee:
HOYA CORP
International Classes:
A44C17/00
Attorney, Agent or Firm:
Aniya Setsuo
Toru Yui
Hitoshi Kiyono