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US 2012/0237708 A1Published application
Casing body
AssigneeEms-Patent AG
InventorsHeinz Caviezel, Roland Treutlein, Ulrich Presenz, Mark Pfleghar
Life of this patent
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Abstract
Disclosed is a casing body (1) made of a thermoplastic plastic material, in particular for cosmetic pencils or writing pencils, the cavity H of which is enclosed by an at least three-shell construction A, Z, I, it having 1 to 10 outer shells A, an intermediate shell Z and 1 to 10 inner shells I, the intermediate shell Z including a polyamide foam and at least one of the other shells A, I including a polyamide.
Claims20
A thermoplastic casing body for a pencil the casing body comprising an at least three-shell construction A, Z, I, enclosing a cavity H, wherein the construction comprises
- 1 to 10 outer shells A, an intermediate shell Z and 1 to 10 inner shells I, the intermediate shell Z comprising polyamide foam and/or consisting thereof and at least one of the other shells A, I comprising polyamide and/or consisting thereof.
Dependencies are inferred from the claim text.