Automatic chemical analysis apparatus

US4039286A · kind A · utility

Assignee

• W. C. Heraeus GmbH · DE

Inventors

• Walter J. Keller, III · Bridgeville, US
• Hubert Koukol
• Werner Ptaschek · Bruchköbel, DE
• Dieter Wendt

Key dates

• Filing date: Jul 16, 1976
• Grant date: Aug 2, 1977
• Expiry date: Jul 16, 1996

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T436/113332
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

To permit flexibility in chemical testing steps, a plurality of automatic chemical apparatus units are arranged in modular form, each unit including a main sample receptacle transport conveyor to move the receptacle holding a sample to be tested in a main transport path, a plurality of test and treatment containers being associated with each unit, and a sampling transfer station is located to extract a sample of test substance from the sample receptacle and introduce it into one of the test and treatment containers, which test and treatment container is then moved in a separate test and treatment conveyor path along a plurality of testing and treatment stations until the entire analysis of the removed sample is completed, at which time a new sample receptacle is moved along the main path to the sampling transfer station for introducing a new sample into a subsequent test and treatment receptacle. Movement, in steps, of the sample receptacle and of the test and treatment containers is synchronized so that, at any one time, only one sample container is present at the sampling transfer station. If a plurality of such modular units are assembled together, the stepping of movement of th…