Back to results
US 5,326,532 AGranted
Apparatus for chemically processing toxic materials
AssigneeE. I. Du Pont de Nemours and Company
InventorWilliam R. Taylor
Life of this patent
Estimating the term…
Abstract
An apparatus is provided for processing toxic materials in a safe manner. Two access ports in the apparatus are used for introducing and withdrawing the materials. In the apparatus, two valves pass the materials through a vial for mixing with a stored toxic material and a column for processing.
Claims8
Apparatus for passing a fluid through a processing column for effecting a chemical change in the fluid, the fluid being disposed in a vial having a septum seal capable of being pierced, said apparatus comprising:
- a closed container having a first access port, a second access port and a bore, the vial being positioned in the bore;
- a needle assembly having first, second, and third needles, the first needle being connected to the first access port, the third needle being connected to one end of the processing column;
- a plunger, mounting the needle assembly, the plunger located within the bore in the container and containing the processing column, the plunger being disposed in and extending through the top of the container and being actuatable from outside the container to introduce the needle assembly into the vial through the septum seal;
- and
- valve means disposed in the container, actuatable from outside the container, for selectively connecting the second access port alternatively to the second needle or to an opposite end of the processing column.
2 more elements
Dependencies are inferred from the claim text.