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US 12,708,187 B2Granted
Stick of cosmetic product comprising two compositions having a surface in relief, method and device for manufacturing such a stick of cosmetic product
AssigneeParfums Christian Dior
InventorsThierry Chartier, Rémi Barrault
Life of this patent
Estimating the term…
Abstract
Stick of cosmetic product, in particular of lipstick, comprising two compositions A and B extending along a longitudinal axis, method and device for manufacturing such a stick of cosmetic product, the stick of cosmetic product, the stick of cosmetic product having a side surface presenting a decorative surface portion in relief.
Claims14
A method for manufacturing a stick of cosmetic product, in particular of lipstick, comprising two compositions A and B, extending along a longitudinal axis, the stick having a side surface presenting a decorative surface portion in relief, the method including:
- a step of placing a core in an elastic cup having a surface portion in relief, the core coming into contact with the bottom of the cup,
- a step of pouring or injecting a composition A between the core and the cup so as to form a first member,
- a step of removing the core from the cup,
- a step of pouring or injecting a composition B so as to form a second member, thereby forming a stick of cosmetic product, and
- a step of deforming the cup so as to demold the stick of cosmetic product.
2 more elements
Dependencies are inferred from the claim text.