Evacuate and backfill apparatus and method

Patent · Wed Jun 27 00:00:00 EDT 1984

OSTI ID:6020666

Oakley, D J; Groves, O J

An apparatus and method as described for treatment of hollow articles by evacuating existing gas or gases therefrom and purging or backfilling the articles with a second gas such as helium. The apparatus includes a sealed enclosure having an article storage drum mounted therein. A multiplicity of such articles are fed singly into the enclosure and loaded into radial slots formed in the drum. The enclosure is successively evacuated and purged with helium to replace the existing gas in the articles with helium. The purged articles are then discharged singly from the drum and transported out of the enclosure.

• DOE Contract Number: AC06-76FF02170
• Assignee: Dept. of Energy
• Application Number: ON: TI85006018
• OSTI ID: 6020666
• Country of Publication: United States
• Language: English

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