Capsules for tooth-restoring materials
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United States of America Patent
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-
Jun 25, 1991
Issued Date -
N/A
app pub date -
Jun 1, 1989
filing date -
Aug 8, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capsule for a tooth-restoring material includes a cylinder containing therein the predetermined amount of a powder component of the tooth-restoring material and fitted at its rear end with an extruding plunger; a breakable package held in front of an extreme end opening in the cylinder, the package containing therein an amount of a liquid component of the tooth-restoring material and having its cylinder-facing side formed of a weak material; and a member for holding the package having a nozzle at its outermost end; wherein at a position of the plunger corresponding to the extreme end opening in the cylinder is provided a member capable of breaking through the package of a size small enough not to close up the opening and the nozzle, when the plunger moves to and reaches the package-holding member.
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