METHOD OF FASTENING INSERTS IN JEWELRY OR BIJOUTERIE ARTICLE Russian patent published in 2000 - IPC

Abstract RU 2150220 C1

FIELD: jewelry industry. SUBSTANCE: method involves placing insert into wax pattern of future article, with insert being made from monocrystals of high-temperature oxides and diamonds; forming; calcination; providing preliminary vacuumizing at temperature of 600-750 C and pouring liquid metal into produced ceramic mold, with pouring force not exceeding 20 kg. EFFECT: increased efficiency and improved quality of jewelry article.

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RU 2 150 220 C1

Authors

Gorodinskij K.Ja.

Retsepter I.V.

Dates

2000-06-10Published

1999-04-19Filed