The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 02, 1980
Filed:
Jan. 05, 1979
Kommandiittiyhtio Finnpipette Osmo A. Suovaniemi, Helsinki, FI;
Abstract
The subject of the present invention is an apparatus for precise mutual dilution and dosage of liquids, which apparatus comprises a dilution and dosage unit consisting of two cylinder spaces of different volumes and cross-sectional areas, as compared with each other, and connected to a common intake and exhaust tip, as well as of pistons arranged into said cylinder spaces. According to the invention, in each dilution and dosage unit, the lower part of the smaller cylinder space forms the intake and exhaust tip and the piston in the smaller cylinder space consists of a tubular component whose upper part is opened into the lower part of the larger cylinder space of the dilution and dosage unit concerned. In each dilution and dosage unit, a part of the intake pipe to the larger cylinder operates as the piston of the smaller cylinder