Gas Chromatograph apparatus

Details Gas Chromatograph apparatus Gas Chromatograph apparatus

1997-11-10

1999-03-30

Williams, Herzon

Measuring and testing

Gas analysis

Gas chromatography

96105, 95 82, G01M 3004, B01D 5302

Patent

active

058891978

ABSTRACT:
Device for connecting a first duct of a very small diameter, such as for instance a needle or a capillary column, to a second duct, wherein the device comprises a receiving part and a sealing element, wherein the receiving part is provided with a duct bore in which the first duct is slidably receivable, wherein the receiving part is also provided with a sealing-element bore which intersects the duct bore and in which the sealing element is slidably received, wherein the sealing element is provided with a recess, wherein the sealing element is adapted to assume a sealing position in which the duct bore is sealed, and is adapted to assume a connecting position in which the two duct bore parts on either side of the sealing-element bore are in fluid connection with each other via the recess, wherein the sealing element is biased in the sealing position by a spring under spring action.

REFERENCES:
patent: 4890502 (1990-01-01), Elias et al.
patent: 5105652 (1992-04-01), Manfredi et al.

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