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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||63/26 ; 63/32 ; 63/291|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 19 인용 특허 : 0|
A method and apparatus for invisibly setting round diamonds is disclosed. The diamonds are provided with grooves cut in the pavilion below the girdle of the diamond, and a round barrel is provided which has ridges projecting inwardly from the inner wall of the barrel. The diamond is rotated into the barrel to interlock the ridges within the grooves formed in the diamond to hold the barrel and diamond securely together. The barrel is formed of deformable metal which itself is hammered thereby further preventing relative rotation between the diamond and ba...
Apparatus for setting round diamonds comprising: a round diamond having a girdle forming its outer diameter and a pavilion portion below the girdle, with grooves formed on the pavilion portion of the diamond; a barrel of a size smaller than the outer diameter of the diamond; said barrel comprising an inner wall; ridge means formed on said inner wall projecting inwardly from said wall; said diamond placed in said barrel with said diamond held in place by said ridge means engaged in said grooves of said diamond; wherein said grooves are located around said...