Nozzle assembly having a frangible plunger
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United States of America Patent
Stats
-
Jul 1, 1997
Grant Date -
N/A
app pub date -
Feb 29, 1996
filing date -
Feb 29, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A nozzle assembly adapted for an injector, includes a frangible plunger. The plunger has a first driving member and a second driving member connected to the first driving member and spaced apart therefrom by a predetermined gap using a frangible bridge. When a predetermined force is applied to the second driving member, it breaks the frangible bridge and moves the second driving member across the gap. This causes the second driving member to ram into the first driving member driving fluid out of the nozzle. Thereafter, as the second driving member is separated from the first driving member, the first driving member remains stuck in the chamber preventing reuse of the nozzle assembly.
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