Patent · US Expired

Appliance designed for the treatment, particularly in a liquid, of a product like leather and procedure for applying this appliance

US4391109A · kind A · utility

1Cited by
3References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 18, 1981
Grant dateJul 5, 1983
Priority date
Expiry dateFeb 18, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC14C15/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Appliance for the treatment, particularly in a liquid, of a product like leather, consisting of a perforated drum (1) containing compartments (9, 10, 11) separated by partitions (12, 13, 14) and connecting with the outside via openings (9a, 9b, 9c) closed by doors, along with a tank (7) surrounding the drum (1) and provided with an opening (8), a fixing means enabling the drum (1) and the tank (7) to be fixed together in rotation when the opening (9a) of a compartment (9) is placed opposite the opening (8) in the tank (7) and a drive means (22) enabling the drum (1) and the tank (7) to be swung round jointly between a first position in which the opening (8) of the tank is in a top position and a second position in which the opening (8) of the tank is placed on the side, the said first position corresponding to the treatment and loading of the product and the second position corresponding to its discharge.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.