Method and apparatus for solidifying a powdered cosmetic composi

Details Method and apparatus for solidifying a powdered cosmetic composi Method and apparatus for solidifying a powdered cosmetic composi

1985-05-28

1987-06-02

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Removal of liquid component or carrier through porous mold...

By direct application of vacuum or pneumatic pressure

264 37, 264 71, 264122, 264267, 2642978, 425 84, 425110, 425432, 425434, 425DIG32, B28B 126

Patent

active

046702067

ABSTRACT:
A method and apparatus for solidifying a powdered cosmetic composition in a vertically held elongated hollow container to form a stick-shaped powdered cosmetic. A dispersion of the powdered cosmetic composition in a liquid phase is filled in the container. Pneumatic pressure is applied to the upper surface of the dispersion, and at the same time, the liquid phase contained in the dispersion is removed from below a screen placed at the lower end of the container.

REFERENCES:
patent: 1963030 (1934-06-01), Powell
patent: 3839521 (1974-10-01), Robinson
patent: 4332763 (1982-06-01), Hempel et al.

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