Refill and pot for packaging a cosmetic product comprising such a refill

1 . A refill for a pot for packaging a cosmetic product, extending along a central axis X, capable of receiving the cosmetic product, and comprising a rigid body defined by a peripheral wall having an open upper end surrounded by a collar extending outwards, and a lower end closed by a bottom wall, wherein the refill comprises wedging means for wedging in the pot, which means are deformable and define, with an outer surface of the peripheral wall, at least one cavity of variable volume as a function of the wedging,

wherein said wedging means comprises at least one external, flexible wedging wall arranged opposite and at least partially at a distance from the outer surface of the peripheral wall, said cavity being defined only between the wedging wall and the peripheral wall,

wherein each wedging wall is curved and is mounted on the peripheral wall by interlocking of corresponding shapes,

wherein the peripheral wall comprises a female form embodied in its outer surface, into which a male form provided for this purpose interlocks on the wedging wall, and

wherein each wedging wall has an outwardly curved shape with a summit located at a distance from the peripheral wall, said male form projecting from a lower end of the wedging wall.

2 . The refill according to claim 1 , wherein each wedging wall has an upper end in contact with the body.

3 . The refill according to claim 2 , wherein the upper end of the wedging wall rests against the collar.

4 . The refill according to claim 2 , wherein the upper end of the wedging wall rests on the outer surface of the peripheral wall, in a vicinity of the collar.

5 . The refill according to claim 2 , wherein the upper end of the wedging wall rests in an angle formed between the peripheral wall and the collar.

6 . The refill according to claim 1 , further comprising a single wedging wall extending around an entire upper periphery of the body.

7 . The refill according to claim 6 , wherein the wedging wall consists of a removable ring.

8 . The refill according to claim 1 , further comprising several wedging walls evenly distributed around the body.

9 . The refill according to claim 8 , wherein each wedging wall extends over an angular sector of the body.

10 . The refill according to claim 1 , wherein the body and the wedging wall or walls are made of the same material.

11 . A pot for packaging a cosmetic product, comprising a receptacle and a refill according to claim 1 inserted into the receptacle, the wedging means for wedging the refill being wedged against the receptacle so as to absorb a clearance existing between the refill and the receptacle.