# US 12,757,998 B2 · Packaging and application device for a cosmetic product, kit and covering device

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- Number: US 12,757,998 B2
- Document ID: US12757998B2
- Status: Granted
- Kind: B2
- Application number: 17/413,238
- Filed: 2019-12-20
- Published: 2022-03-10
- Granted: 2026-10-13
- Earliest claimed: 2018-12-20
- Assignees: L'oreal
- Applicants: L'oreal
- Inventors: Lionel Drugeon; Camille Schreiber; Gabriel Evain
- Web page: https://patentgrep.com/patent/US12757998B2

## CPC

- A45D 40/10: Casings wherein a spring presses the lipstick or like solid into the position for use or into the retracted position
- A45D 40/02: Casings wherein movement of the lipstick or like solid is a sliding movement (A45D40/06 takes precedence)
- A45D 40/16: Refill sticks; Moulding devices for producing sticks
- A45D 2040/0043: {by inserting the new stick at the upper, applying end of the casing}
- A45D 2040/005: {by removing the old stick from the cartridge by linear, sliding movement of stick relative to the cartridge}
- A45D: HAIRDRESSING OR SHAVING EQUIPMENT (wigs, toupees or the like A41G3/00, A41G5/00; hairdressers' chairs A47C1/04; hair cutting appliances, razors B26B); EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING

## Abstract

Packaging and application device for a cosmetic product, kit and covering device This device (10) comprises a first part (12) and a covering (16) that can be moved between an engaged position and a free position. The displacement between the engaged position and the free position is made by translation of the covering (16) along the longitudinal axis (D) away from the first part (12) from the second end (26) of the first part (12), The first part (12) or the covering (16) comprises at least one flexible indexing tab (56), the covering (16) or the first part (12) comprising an indexing surface (38). The movement from the engaged position to the free position can be controlled by manually pulling the covering (16) relative to the first part (12) in translation along the longitudinal axis (D) and away from the first part (12), manually pulling disengages the flexible indexing tab (56) from the indexing surface (38).

## Claims

### Claim 1

A packaging and application device for a cosmetic product, comprising:
a first part for containing a cosmetic product, the first part extending along a longitudinal axis (D) between a first end and a second end,
a covering able to be moved between an engaged position, in which the covering covers at least partly the first part, and a free position, in which the covering is separated from the first part,
the displacement between the engaged position and the free position being made by translation of the covering along the longitudinal axis (D) away from the first part from the second end of the first part,
wherein one of the first part and the covering comprises at least one flexible indexing tab projecting longitudinally, the other of the covering and the first part comprising an indexing surface, the flexible indexing tab being able to engage reversibly with the indexing surface to hold the covering in the engaged position, and wherein the flexible indexing tab can be deformed transversely between a rest position and a deformed position,
wherein, when the covering is in the engaged position, the flexible indexing tab engages on the indexing surface in the rest position, which maintains the covering in the engaged position, the flexible indexing tab being adapted to be deformed from the rest position to the deformed position such as to no longer be contact with the indexing surface such hat the first part can be displaced away from the covering along the longitudinal axis,
and in that the movement from the engaged position to the free position can be controlled by manually pulling the covering relative to the first part in translation along the longitudinal axis and away from the first part, manually pulling disengaging the flexible indexing tab from the indexing surface.

### Claim 2 (depends on 1)

The device according to claim 1, wherein the movement from the engaged position to the free position can be made only by translation of the first part relative to the covering without movement of an element of the first part relative to the remainder of the first part and without movement of an element of the covering relative to the remainder of the covering other than a movement of the indexing tab.

### Claim 3 (depends on 1)

The device according to claim 1, wherein the covering comprises a peripheral wall and a back wall substantially orthogonal to the longitudinal axis, the peripheral wall and the back wall delimiting a reception cavity of the first part, the back wall being permanently fixed relative to the peripheral wall and closing the reception cavity.

### Claim 4 (depends on 3)

The device according to claim 3, wherein the other of the covering and the first part comprises a tube with an internal peripheral surface, the indexing surface being defined on the tube.

### Claim 5 (depends on 1)

The device according to claim 1, wherein the deformable flexible indexing tab can move from the rest position to the deformed position only by pulling the first part relative to the covering along the longitudinal axis (D).

### Claim 6 (depends on 1)

The device according to claim 1, wherein the flexible indexing tab comprises a longitudinal body and a head projecting radially from the longitudinal body applied on the indexing surface.

### Claim 7 (depends on 1)

The device according to claim 1, comprising a single flexible indexing tab for cooperating with the indexing surface.

### Claim 8 (depends on 1)

The device according to claim 1, wherein the first part is a support and deployment mechanism for a block of cosmetic product, the mechanism comprising a cup that can be displaced longitudinally between a retracted position and an extended position.

### Claim 9 (depends on 1)

A kit containing a packaging and application device for a cosmetic product according to claim 1 and a refill comprising a first additional part similar to the first part, the first additional part extending along a longitudinal axis (D) between a first end and a second end, the covering being able to be moved between an engaged position in which the covering at least partly covers the first additional part, and a free position in which the covering is separated from the first additional part, the displacement between the engaged position and the free position being made by translation of the covering along the longitudinal axis around the first additional part from the second end of the first additional part.

### Claim 10 (depends on 9)

The kit according to claim 9, comprising a substitution covering, distinct from the covering, the substitution covering being able to be moved between a free position in which the substitution covering is separated from the first part and an engaged position in which the substitution covering at least partly covers the first part, the displacement between the free position and the engaged position being made by translation of the substitution covering along the longitudinal axis (D) around the first part from the second end of the first part.

### Claim 11

A method for covering/uncovering a packaging and application device for a cosmetic product, comprising the following steps:
providing a first part extending along a longitudinal axis (D) between a first end and a second end,
providing a covering, one of the first part and the covering comprising a flexible indexing tab projecting longitudinally, and the other of the first part and the covering comprising an indexing surface,
displacing the covering towards an engaged position, in which the covering at least partly covers the first part, the displacement being carried out by translation of the covering along a first direction along the longitudinal axis, from the second end of the first part, wherein the flexible indexing tab can be deformed transversely between a rest position and a deformed position, the flexible indexing tab being reversibly engaged with the indexing surface in order to hold the covering in the engaged position with the flexible indexing tab in the rest position, wherein the covering is maintained in the engaged position,
deforming the flexible indexing tab to the deformed position such as to no longer be in contact with the indexing surface such that the first part can then be displaced away from the covering along the longitudinal axis, and
manually pulling to displace the covering from the engaged position to a free position, in which the covering is separated from the first part, the displacement being carried out by translation of the covering along a second direction opposite to the first direction along the longitudinal axis, from the second end of the first part.

### Claim 12 (depends on 11)

The method according to claim 11, wherein the movement from the engaged position to the free position is made exclusively by pulling the covering relative to the first part along the longitudinal axis and away from the first part, the pulling disengaging the flexible indexing tab and the indexing surface, without movement of an element of the first part relative to the remainder of the first part and without movement of an element of the covering relative to the remainder of the covering other than the movement of the flexible indexing tab.

### Claim 13 (depends on 2)

The device according to claim 2, wherein the covering comprises a peripheral wall and a back wall substantially orthogonal to the longitudinal axis (D), the peripheral wall and the back wall delimiting a reception cavity of the first part, the back wall being permanently fixed relative to the peripheral wall and closing the reception cavity.

### Claim 14 (depends on 2)

The device according to claim 2, wherein the flexible indexing tab projects longitudinally and can be deformed transversely between a rest position engaged on the indexing surface and a deformed position clear of the indexing surface.

### Claim 15 (depends on 3)

The device according to claim 3, wherein the flexible indexing tab projects longitudinally and can be deformed transversely between a rest position engaged on the indexing surface and a deformed position clear of the indexing surface.

### Claim 16 (depends on 2)

The device according to claim 2, wherein the flexible indexing tab comprises a longitudinal body and a head projecting radially from the longitudinal body applied on the indexing surface.

### Claim 17 (depends on 3)

The device according to claim 3, wherein the flexible indexing tab comprises a longitudinal body and a head projecting radially from the longitudinal body applied on the indexing surface.
