Pen having an integrally injection-moulded coating sleeve
AssigneeA.W. Faber-Castell Cosmetics GmbH
InventorsWolfgang Kaul, Christina Zech
Life of this patent
Estimating the term…
Abstract
A pencil for applying a coloring and/or cosmetic substance, having a pigment core composed of the substance that is to be applied and a one-piece injection-molded casing encompassing the pigment core that is composed of a thermoplastic material that consists of a mix of a first plastic and a second plastic, wherein the casing, respectively viewed in the radial direction, has an outer enrichment zone with a higher concentration of the first plastic than in the middle region and the casing, respectively viewed in the radial direction, has an inner enrichment zone with a higher concentration of the first plastic than in the middle region.
Claims23
A pencil for applying a coloring and/or cosmetic substance, comprising:
- a pigment core composed of the substance that is to be applied and a one-piece injection-molded casing encompassing the pigment core that is composed of a thermoplastic material that consists of a mix of a first plastic and a second plastic that are mixed with each other;
- wherein the casing, respectively viewed in a radial direction, has an outer enrichment zone with a higher concentration of the first plastic than in a middle region of the casing;
- and the casing, respectively viewed in the radial direction, has an inner enrichment zone with a higher concentration of the first plastic than in the middle region.
Dependencies are inferred from the claim text.