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IPC

(21) (22)

Application

98110110/12, 1998-05-28

(22)

Actual filing date

1998-05-28

(45)

Published

1999-03-27

(72)

Inventor

Chursin V.I.Shapkarina N.P.Lychnikov D.S.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Kozhevenno-Obuvnoj Promyshlennosti

SKIN TANNAGE PROCESS Russian patent published in 1999 - IPC

Abstract RU 2128230 C1

FIELD: leather industry. SUBSTANCE: hide treatment is accomplished in tanner solution while simultaneously imposing ultrasonic vibrations. Hide is placed in bath and ultrasonically treated at vibration frequency 16 to 50 kHz and field intensity 0.5 to 1 v/sq.cm. EFFECT: reduced power consumption and effort, and expanded technological possibilities. 2 tbl

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RU 2 128 230 C1

Authors

Chursin V.I.

Shapkarina N.P.

Lychnikov D.S.

Dates

1999-03-27—Published

1998-05-28—Filed