Injection device for coating eyelashes with mascara comprises hollow case receiving ink cartridge and brush body screwed in case having sealing membrane piercing device, doser plug pushing cartridge to deliver ink to brush fibers

摘要

The injection device consists of a hollow case (1) which receives a cartridge (2). The body (16) of a brush (17) screwed in the case comprises a piercing device of the membrane (5) sealing the cartridge. A screw/nut system driven by a doser plug (11) pushes the cartridge bottom which delivers the ink (3) to the base of the brush fibers (21) through a bore (19) and lids (20) pierced in the brush body.