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

An appliance designed for the liquid treatment of a product like leather, comprising a tank which can be filled at least partly with the treatment liquid and which is provided with an opening made in its peripheral wall, a rotary drum placed inside the tank, said drum being mounted on a roughly horizontal shaft which runs from end to end of the said tank and which can be driven in rotation, said drum having a peripheral envelope and compartments separated by axial partitions extending roughly radially from its shaft to said peripheral envelope, the product being loaded into each of the compartments in order to be treated by rotation of the drum and discharged through the said tank opening, each compartment having an opening and a lockable door in said peripheral envelope, said appliance being characterized by the fact that said tank is mounted to swing round the drum shaft, a fixing means for temporarily fixing together in rotation the drum and the tank when the opening of one of the compartments is placed opposite the tank opening with the object of loading and discharging the product in this compartment, a drive means for swinging the tank between a first position in which its opening is placed roughly in its top position and a second position in which its opening is placed on the side, the product being treated by rotation of the drum when the opening of the said tank is in the said first position, loading of the product being performed through the top when the opening of the tank is in the said first position and the opening of the compartment to be loaded is opposite the tank opening, and discharge of the product being carried out on the side after the tank and the drum fixed together by the fixing means have been swung round by means of the said drive means to move the tank opening from the first position to said second position .