Title:
四辺形ブリリアントカットをしたダイヤモンド
Document Type and Number:
Japanese Patent JP4302964
Kind Code:
B2
Abstract:
The pavilion (140) comprises four rectangular main facets (141) and multiple triangular girdle facets (144,144') at the outer surrounding surface of the pavilion. Each pavilion main facet has a lower apex (R) on the center line while another apex coincides with a side owned by an adjacent main facet on a plane passing the centerline and center between the lower vertexes of the girdle (110). The four crown girdle facets and the four lower bezel faces are aligned alternately to form a row along and above the boundary. The base of each crown girdle facet coincides with a side of the upper cross section of the girdle. Each lower bezel facet has two sides passing the vertex and a base opposite the vertex. The upper bezel facets, secondary bezel facets and the eight start facets are aligned to form another row between the table facet and the row having crown girdle facets and the lower bezel facets.
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Inventors:
Matsumura Tamotsu
Akira Ito
Yoshinori Kawabuchi
Akira Ito
Yoshinori Kawabuchi
Application Number:
JP2002319265A
Publication Date:
July 29, 2009
Filing Date:
November 01, 2002
Export Citation:
Assignee:
Hohomi Brains Co., Ltd.
International Classes:
A44C27/00; A44C17/00
Domestic Patent References:
| JP3056485U | ||||
| JP1177350S | ||||
| JP52147170A |
Attorney, Agent or Firm:
Yutaka Morita