Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1997-04-22
1999-12-14
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
436 48, 436 49, 422 681, G01N 3348
Patent
active
060013079
ABSTRACT:
This invention provides a device for analyzing a sample which is capable of performing rapid and precise analysis of a small amount of sample, and whose gradient in a measuring apparatus is not limited. This device comprises approximately a rectangular plate shaped body comprising a base member made of resin and a transparent covering. A first depressed cylindrical concave portion is formed in the upper surface of the base member, and a groove is formed in communication with the first depressed cylindrical concave portion, the groove extending to the end of the protrusion portion 5c, and a second depressed cylindrical concave portion which is smaller than the first depressed cylindrical concave portion is formed in a certain position in the groove, the end of the groove opening to the outside at the end of the protrusion portion 5c. Then, the transparent covering is placed over the upper surface of the base member and then integrated together. As a result, the first depressed cylindrical concave portion, the groove, the second depressed cylindrical concave portion, and the opening at the end of the groove are formed into a suction pressure generating chamber, a drawing channel, an analytical section, and an opening for drawing a sample, respectively.
REFERENCES:
patent: 3620676 (1971-11-01), Davis
patent: 4088448 (1978-05-01), Lilja et al.
patent: 4624928 (1986-11-01), Qureshi
patent: 4650662 (1987-03-01), Goldfinger et al.
European Search Report, Jul. 3, 1998.
Higuchi Yoshihiko
Hirayama Kouji
Koike Masufumi
Naka Michio
Okuda Hisashi
Alexander Lyle A.
Kyoto Dai-ichi Kagaku Co. Ltd.
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