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A method of filling a capsule with helium comprises making a first crimp in a neck portion of the capsule spaced from the free end of the neck and subsequently making a second crimp at or immediately adjacent the free end of the neck to effectively form a chamber between the two crimps which inhibit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GARRETT, MICHAEL ERNEST
Format: Patent
Sprache:ger
Schlagworte:
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Beschreibung
Zusammenfassung:A method of filling a capsule with helium comprises making a first crimp in a neck portion of the capsule spaced from the free end of the neck and subsequently making a second crimp at or immediately adjacent the free end of the neck to effectively form a chamber between the two crimps which inhibits the helium reaching the free end which is subsequently welded.