METHOD FOR TANNING LEATHER Russian patent published in 1995 - IPC

Abstract RU 2045580 C1

FIELD: leather industry. SUBSTANCE: ultrasound treatment is carried out simultaneously with tanning of half-finished product, the process takes place in solution of tanning agent. Operating frequency of ultrasound waves is calculated according to given formula (α) where Y is total thickness of half-finished product and f=1/(α·y). is damping coefficient of ultrasound at 1 MHz. EFFECT: improves efficiency of method. 2 dwg, 1 tbl

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RU 2 045 580 C1

Authors

Muljar I.A.

Dates

1995-10-10—Published

1992-01-03—Filed