Ointment applicator

Details Ointment applicator Ointment applicator

1984-12-03

1993-06-15

Bratlie, Steven A.

Coating implements with material supply

Including means to apply material-moving force

Piston-provided reservoir

401133, 401182, 604232, A61M 300, B05C 1700

Patent

active

052194485

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).

REFERENCES:
patent: 4405249 (1983-09-01), Scales
patent: 4599008 (1986-07-01), Furlong et al.
patent: 4643724 (1987-02-01), Jobe

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