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US 8,206,461 B1Granted
Process and device for treating leather
AssigneeBOXMARK LEATHER proizvodnja in trgovina d.o.o.
InventorDavorin Herga
Life of this patent
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Abstract
Leather in form of hides or articles of leather or other articles comprised of similarly behaving material is introduced (for purposes of this application all of these articles of leather jointly referred to as “hides”) into rotating drum or stirring vessel or other form of similar device where it undergoes spraying with chemicals and drying to desired humidity to be followed by drying and another treatment of milling in rotating drum.
Claims19
Process for treating leather, comprised of milling of hides in a rotating drum characterized in that it comprises the following steps:
- a. Said milling of hides (2) in a rotating drum (1) is further comprised of following sub-processes:
- i. initial milling of said hides (2) in said rotating drum (1);
- ii. spraying of said hides (2) with mixture of chemicals through nozzle (4) or plurality thereof in said drum (1);
- iii. subjecting of said hides (2) in rotating drum (1) to climate control, heating after the process the hides (2) have between 30% and 40% of absolute humidity;
- b. Drying of hides (2);
- c. Milling of said hides (2) in said rotating drum (1) for period between 5 and 10 hours.
3 more elements
Dependencies are inferred from the claim text.