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2 060 709

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IPC

(21) (22)

Application

5029814/12, 1992-02-27

(22)

Actual filing date

1992-02-27

(45)

Published

1996-05-27

(72)

Inventor

Sokolova T.A.Fetisova L.D.Panov O.V.Mineev V.A.Zimin V.V.

(73)

Holder

Sverdlovskoe Proizvodstvennoe Ob"Edinenie Samotsvety"Nauchno-Ehksperimental'Noe Predprijatie Nauchno-Issledovatel'Skij Institut Chernykh Metallov

METHOD FOR MANUFACTURING JEWELRY INSERT MADE FROM MONOCRYSTALLINE CORUNDUM Russian patent published in 1996 - IPC

Abstract RU 2060709 C1

FIELD: jewelry. SUBSTANCE: method involves grinding insert and performing low-temperature annealing at 400-500 C with following isothermal holding process for 8-10 hours. EFFECT: increased efficiency and improved quality of article. 1 tbl

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RU 2 060 709 C1

Authors

Sokolova T.A.

Fetisova L.D.

Panov O.V.

Mineev V.A.

Zimin V.V.

Dates

1996-05-27—Published

1992-02-27—Filed

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