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AssigneeBraun GmbH
InventorsAndreas Erndt, Thorsten Piesker, Wolfgang Stegmann, Bernhard Sikora
Estimating the term…
The present invention relates to a personal care device such as an electric hair cutter like shaver or toothbrush, and to a method of manufacturing such personal care device. More particularly, the personal care device comprises a handle and a function head supporting at least one personal care tool, said function head being attached to said handle, wherein at least one of said handle and said function head includes an outer metal shell formed in one piece with an integral, homogeneous, seamless structure having a ring-like or sleeve-like shape with closed annular cross-sections. Said outer metal shell includes at least one undercut portion which is formed with a hydraulic pressure forming step.
Personal care device such as hair cutter or tooth brush, comprising a handle and a function head supporting at least one personal care tool, said function head being attached to said handle, wherein at least one of said handle and said function head includes an outer metal shell, said metal shell having at least one opening wherein at least one plastic chassis member is accommodated in said outer metal shell, characterized in that said plastic chassis member having a protrusion through said opening in said outer metal shell and projecting beyond an outer surface of a metal shell section surrounding said opening and/or said plastic chassis member is fully covering an outer edge of said openings.
Method of manufacturing a handheld personal care device such as hair cutter or toothbrush with an outer metal shell, comprising the steps of:
Dependencies are inferred from the claim text.