An improved method or process of and apparatus for the lixiviation of various materials.

  • La société anonyme des parfums naturuels de Cannes.
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: An improved method or process of and apparatus for the lixiviation of various materials. Source: Wellcome Collection.

    4/6 (page 4)
    Lakes Method or Process of and Apparatus for the Lixiviation of Various Materials. compressed gas will be stopped at the desired moment in the various extractors either successively or simultaneously as may be needed for the proper operation of the apparatus without the intervention of the workman. Having now particularly described and ascertained the nature of the said inven¬ tion and in what manner the same is to be performed as communicated to me 5 by my foreign correspondents 1 declare that what 1 claim is:— First—The improved method or process of lixiviation hy means of connected apparatus wherein each extractor is provided with an automatic closing device substan¬ tially as hereinbefore described with reference to the accompanying drawings and' having the effect of permitting the free passage of the solvent into each extractor 10 either at the entrance or at the discharge, the passage of the gas from one extractor to the other being at the same time automatically stopped. Second—The improved closing device or check device constructed substantially as hereinbefore described and for the purpose above specified. Dated this 8th day of August 1890* 15 HASELTINE, LAKE & Co., 45, Southampton Buildings, London, Agents for the Applicant. -jondon : Printed for Her Majesty’s Stationery Office, by Darling & Son, Ltd.—1S90