Measuring and testing – Sampler – sample handling – etc. – Conduit or passageway section capture chamber
Patent
1980-04-11
1982-08-31
Swisher, S. Clement
Measuring and testing
Sampler, sample handling, etc.
Conduit or passageway section capture chamber
G01N 120
Patent
active
043466109
ABSTRACT:
A sample introducing device, placed in the midway of an analyzing apparatus having a sample flowing route and a carrier fluid flowing route, in which device a valve disc rotatably disposed under urging force between a pair of supporting members, provided with a sample flowing passage and a carrier fluid flowing passage, in a sandwiched manner, is manually rotated with a handle so as to switch a sample flowing hole made in the valve disc for containing a predetermined amount of a sample to a position alignable with the carrier fluid flowing passage. By this simple operation of rotating the valve disc the desired amount of the sample can be transferred to the carrier fluid flowing passage, through the switching over of the sample flowing hole, for being flowed to an apparatus for analysis.
REFERENCES:
patent: 2757541 (1956-08-01), Watson
patent: 2973117 (1961-02-01), Conklin
patent: 3080759 (1963-03-01), McQuaid
patent: 3504799 (1970-04-01), Ogle
patent: 3747630 (1973-07-01), Hurrell
patent: 3885439 (1975-05-01), Stone
patent: 4112766 (1978-09-01), Ragains
Ishii Daido
Konishi Hideki
Japan Spectroscopic Co. Ltd.
Swisher S. Clement
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