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(11)    Patent No :    AP 2240    (73) Applicant(s)       
(21)    Application No :    AP/P/2007/004155    DIALIT LTD, 12 Hachofer St. P.O.B. 1908, 58117 Holon,       
(22)    Filing Date :    13.02.2006           
(24)    Date of Grant &    30.05.2011           
(45)    Publication :

(30)    Priority Data            (72) Inventors   
    (33) Country    (31) Number    (32) Date    PORAT Zvi, Israel   
    IL    166977    17.02.2005    (74) Representative   
(84)    Designated State           
    BW  NA            HONEY & BLANCKENBERG   
(51)    International    Classification    B24B9/16 (2006.01)    B24B51/00 (2006.01)   

(54)    Title

Means and method of computer-aided manufacturing of polished gemstones from rough or semi processed gemstones

(57)    Abstract

By means of a gemstones' processing system adapted to produce a faceted gemstone from a rough or half-processed gemstone (raw material) wherein said processing system comprising a processing tool adapted to provide said faceted gemstone with a plane facet of predetermined three-dimensional (3D)

coordinates (coordinated facet), and a holder adapted to both immobilize said raw material and further to introduce it to said processing tool in 3D coordinated manner such a facet is provided; a method comprising calculating

a 3D coordinates of at least one reference indicium (origin) (35) located within or on the surface of said faceted gemstone; providing a 3D coordinated

model of the faceted gemstone (coordinated model) wherein 3D coordinates of the facets are determined in respect to said origin (35); and, processing said facets in a sequence of processing steps in the manner that each

(56)    Documents Cited :    WO 03 053 632 A   US 2009/0269702 A


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