Seal for high pressure and small volume sample cells
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United States of America Patent
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-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Feb 7, 1989
filing date -
Feb 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed herein a cell assembly for a spectrophotometric analysis or detection of a substance within a small sample volume. The assembly includes a cell body with a small sample bore, along with windows engaging said body to allow radiation to pass through the sample bore and the windows. A sealing arrangement is provided for each window via a sealing washer which is loaded by two means. An inner portion of the sealing washer engages the window and is loaded by a first spring loaded assembly, such as a Belleville washer and plunger. An outer portion of the sealing washer is separately loaded by a ring pressed against the cell body.
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