Tool for use with refilling empty ampules with dental impression

Details Tool for use with refilling empty ampules with dental impression Tool for use with refilling empty ampules with dental impression

1983-01-07

1985-08-13

Combs, E. Michael

Package making

Aids to manual packing

141205, 604411, B65B 6700

Patent

active

045341508

ABSTRACT:
A block-like tool has a hole in its upper surface and contains a hollow needle projecting at one of its ends into said hole and opening at its other end to the atmosphere. Said hole is disposed removably to receive and stably support therein the lower end of an empty, tubular ampule, which is hermetically sealed at its lower end by an elastic diaphragm. Said needle pierces said diaphragm when the ampule is mounted on the tool, whereby the interior of the ampule is also brought to atmospheric pressure through said needle thus enabling the withdrawal of an elastic plug from the ampule, and the refilling of the ampule with a solid alginate without encountering pneumatic resistance.

REFERENCES:
patent: 3731453 (1973-05-01), Porteous

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