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Evacuate and backfill apparatus and method

Patent ·
OSTI ID:6020666
;
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
Patent Number(s):
None
Application Number:
ON: TI85006018
OSTI ID:
6020666
Country of Publication:
United States
Language:
English

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