Makeup box having a sealing member held by a support piece

Details Makeup box having a sealing member held by a support piece Makeup box having a sealing member held by a support piece

1998-10-19

2001-02-13

Mancene, Gene (Department: 3732)

Toilet

Toilet kit

Powder box and applicator

C220S849000

Reexamination Certificate

active

06186152

ABSTRACT:

The present invention relates to a makeup box or the like comprising a body housing a supply of substance, a lid, and a sealing member including a deformable lip which extends around the supply of substance when the box is closed, one of the lid and the body of the box bearing against said sealing member when the box is closed.
BACKGROUND OF THE INVENTION
Numerous boxes of this type are known.
In particular U.S. Pat. Nos. 3,144,167 and 5,186,318 disclose boxes each having a sealing lip integrally formed with a cup containing the supply of substance, said lip extending away from the cup and the body of the box and then being curved at its periphery towards the body of the box so as to bear thereagainst.
There exists a need to further improve the hermetic sealing of makeup boxes in order to prevent solvents contained in the substance from evaporating, but without the means used for obtaining the looked-for sealing spoiling the appearance of the box or making it too expensive to manufacture.
OBJECTS AND SUMMARY OF THE INVENTION
The invention seeks to provide a novel makeup box wherein the sealing member is secured to a support part fixed on the other one of the body of the box and the lid, and extending at least in part beneath said deformable sealing lip.
In a particular embodiment, said support part forms a portion of a cup designed to contain said supply of substance.
In this way, the sealing member can be formed integrally with the cup, thereby simplifying manufacture of the box since the number of separate parts to be assembled is reduced.
Still in a particular embodiment, said support part is in the form of an annular flange.
Preferably, the sealing member is overmolded onto said support part or is made by dual injection with said part.
Also preferably, said support part has openings and said sealing member comprises a top portion and a bottom portion interconnected through said openings, said bottom portion extending beneath said support part and bearing against the body of the box. Advantageously, said bottom portion is annular in shape and bears in sealed manner against the body of the box.
In a particular implementation of the invention, the sealing member has two concentric annular sealing lips suitable for bearing in sealed manner against the lid when the box is closed.
In a particular embodiment, each of said annular sealing lips is generally semicircular in section with the concave side thereof facing towards said support part.
In another particular embodiment, the support part is constituted by an optionally-removable mask fitted to the body of the box. By way of example, the mask can be used to retain in the body of the box a cup containing the supply of substance.
In this embodiment, it is particularly advantageous when the box is closed for the sealing member which is fixed to the mask to be interposed in sealed manner not only between the mask and the lid, but also between the mask and the body of the box so as to prevent the solvents contained in the substance evaporating via the clearance that exists between the mask and the body of the box.
In a particular embodiment, one of the lid and the body of the box has at least one kidney-shaped slot, and the other one of the body and the lid has a hinge pin engaged in said slot, said slot and said hinge pin being organized so that when the lid is closed, the hinge pin can move in said slot so that the lid bears against the sealing member in substantially uniform manner.


REFERENCES:
patent: 2399997 (1946-05-01), Flaster
patent: 2737189 (1956-03-01), Morningstar et al.
patent: 3144167 (1964-08-01), Schultz
patent: 3841466 (1974-10-01), Hoffman et al.
patent: 4862979 (1989-09-01), Borchard
patent: 5095657 (1992-03-01), Marsh
patent: 5186318 (1993-02-01), Oestreich et al.
patent: 5353818 (1994-10-01), Suzuki et al.
patent: 5875795 (1999-03-01), Bouix
patent: 0 618 387 A1 (1994-10-01), None
patent: 0 790 017 A1 (1997-08-01), None

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