Hair treatment dispensing container

Details Hair treatment dispensing container Hair treatment dispensing container

1999-06-21

2001-06-12

Shaver, Kevin (Department: 3754)

Dispensing

With discharge assistant

Container with follower

C222S389000, C222S402220

Reexamination Certificate

active

06244475

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to the packaging and dispensing of hair straightener or relaxer chemicals of a non-lye or a lye-type and more specifically to the dispensing of these chemicals from a pressurized container. One problem is possible chemical reaction between the propellent and the straightener or relaxer.
In order to provide a barrier between hair relaxer/straightener and the gas used to pressurize the container, a bag has been used to contain the straightener relaxer thereby providing mechanical separation of the propellent and the straightener/relaxer.
Due to the chemically active nature of the straightener/relaxer, a chemical reaction may occur between the straightener/relaxer and any metal parts of the container dispensing system.
SUMMARY OF THE INVENTION
A relaxer and straightener dispensing container comprising a cylinder having a top and bottom interconnected therewith to form an airtight container, a valve associated with the top and comprising a hollow tube, a protective sleeve disposed in coaxial relationship with the hollow tube, and the sleeve having a flange extending outwardly therefrom and disposed in an interlocking relationship with the top.


REFERENCES:
patent: 2965271 (1960-12-01), Soffer et al.
patent: 3169670 (1965-02-01), Hrebenak et al.
patent: 3662926 (1972-05-01), Umstead
patent: 4171757 (1979-10-01), Diamond
patent: 4271991 (1981-06-01), Diamond et al.
patent: 4685597 (1987-08-01), Hirao et al.
patent: 5423454 (1995-06-01), Lippman et al.
patent: 5522526 (1996-06-01), DeLaforcade et al.
patent: 5577641 (1996-11-01), DeLaforcade et al.
patent: 5848598 (1998-12-01), Walz et al.
patent: 6019252 (2000-02-01), Benecke et al.

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