Seal for high pressure and small volume sample cells

Details Seal for high pressure and small volume sample cells Seal for high pressure and small volume sample cells

1989-02-07

1991-10-08

Willis, Davis L.

Optics: measuring and testing

Sample, specimen, or standard holder or support

Fluid containers

356410, G01N 110

Patent

active

050549197

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.

REFERENCES:
patent: 3597096 (1971-08-01), Burkhard
patent: 4192614 (1980-03-01), deMey, II et al.
patent: 4588893 (1986-05-01), Vidrine et al.
patent: 4747687 (1988-05-01), Hoppe et al.

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