U-Shaped reaction tube made of elastic material

Details U-Shaped reaction tube made of elastic material U-Shaped reaction tube made of elastic material

1982-10-18

1986-01-28

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 64, B01L 300

Patent

active

045670218

ABSTRACT:
A U-shaped reaction tube used as a reaction tube for a sample analysis in an automatic chemical analyzer and its manufacturing method are disclosed. The U-shaped reaction tube having a cup portion having a large radius, a U-shaped tube portion having a small radius and a tapered end portion having a small radius is formed in one body with elastic material such as a thermoplastic resin by an injection molding. Two pairs of flanges are arranged on an outer surface of the cup portion and a circular flange is arranged on an outer surface of the U-shaped tube, so that the U-shaped reaction tube can be easily secured to a holding plate without a cement in a detachable manner.

REFERENCES:
patent: 3740157 (1973-06-01), Kasparek
patent: 3860347 (1975-01-01), Jones
patent: 3998594 (1976-12-01), Horne
patent: 4119125 (1978-10-01), Elkins
patent: 4310488 (1982-01-01), Rahm et al.

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