Ointment applicator
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United States of America Patent
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-
Jun 15, 1993
Grant Date -
N/A
app pub date -
Dec 3, 1984
filing date -
Nov 14, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
According to the invention the packing container, which is shaped as a cartridge (1) having diverging wall openings (5), has at its rear end, which is equipped with a collar (4) for insertion in an application handle (A), an insertion region of larger cross section for a piston (10) which is adapted to the front smaller cross section of the cartridge, with an air-pervious perforation contact between piston sealing surface and inner wall of the region (9) of larger cross section, the end of which region is closed by a membrane (15) which can be pierced by a piston rod (16) of the application handle (A).
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