Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1984-07-16
1987-05-26
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
204428, 73 23, G01N 2746
Patent
active
046684778
ABSTRACT:
A gas sensor including a gas sensor body in which is centrally inserted a gas detecting element and which permits the gas sensor itself to be attached to other members; a protective sleeve attached to an end portion of the gas sensor body; a seal member formed of a heat-resistant synthetic resin, the seal member being disposed inside an end portion on a lead wire draw-out side of the protective sleeve, with a lead wire extending through the seal member; and a spring member mounted within the protective sleeve for urging the seal member liquid-tightly against the lead wire draw-out side end portion of the protective sleeve. Since the seal member disposed in an end portion of the protective sleeve is formed of a heat-resistant synthetic resin, the durability thereof is improved even where high temperature gases such as the exhaust gases of internal combustion engines or the like are to be detected. Moreover, since the seal member is pushed against the end portion of the protective sleeve, no gas is formed between the protective sleeve and the seal member, whereby the ingress of liquid can be prevented.
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Halliwell, Heat Resistant Resin for Industrial Uses, Modern Plastics, Nov. 1947.
Ebizawa Akio
Nishio Hisaharu
Okumura Toshio
Taguchi Kazuo
Gzybowski Michael S.
NGK Spark Plug Co. Ltd.
Richman Barry S.
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