METHOD OF DRYING LEATHER FOR FOOTWEAR BOTTOM Russian patent published in 1994 - IPC

Abstract RU 2010029 C1

FIELD: footwear production. SUBSTANCE: leather (mainly vegetable tanned) is blown of with heat carrier having temperature 65-100 C, moisture content being 10-30 g/kg, feeding rate being 1.0-2.0 m/s. Then leather is blown off with heat carrier having temperature 25-40 C, moisture content being 8-15 g/kg, feeding rate being 0.5-1.5 m/s. The former process is carried out within 10-20 min, the latter one within 5-15 min. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 010 029 C1

Authors

Sokolov V.I.

Tamonov V.I.

Solokhina Z.A.

Dates

1994-03-30—Published

1991-12-10—Filed