Method of vacuum packaging substances, in particular cosmetic or

Details Method of vacuum packaging substances, in particular cosmetic or Method of vacuum packaging substances, in particular cosmetic or

1995-08-23

1997-12-09

Johnson, Linda

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53434, 53469, 53471, 53473, 53432, B65B 316, B65B 702, B65B 3102

Patent

active

RE0356832

ABSTRACT:
A method for packaging a liquid to semi-solid substance under a vacuum inside a variable-capacity container closed by a dispenser member that prevents ingress of air, includes at least a stage in which the dispenser member is fixed in sealed manner on the container filled with the substance. The fixing takes place while the container is inside an enclosure in which an air vacuum is maintained. Apparatus for implementing the method includes, for example, a ring suitable for bearing downwards in sealed manner on the open top of a socket containing the container, thereby enabling the enclosure to be established. A device is provided therein for sucking out the air, and also for fixing on the dispenser member. It is possible to obtain like this dispensers that are particularly advantageous, particularly when the dispenser member is a precompression pump.

REFERENCES:
patent: 2723200 (1955-11-01), Pyenson
patent: 3234707 (1966-02-01), Weston
patent: 3336720 (1967-08-01), Honsich
patent: 3463342 (1969-08-01), Bender et al.
patent: 3545170 (1970-12-01), Leonard
patent: 3996725 (1976-12-01), Walles
patent: 4283901 (1981-08-01), Scheiser et al.
patent: 4909014 (1990-03-01), Kobayashi et al.
patent: 4984712 (1991-01-01), Jouillet

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