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US 2023/0191637 A1Published application
Tactile wear indicator for a cutting element
AssigneeKoninklijke Philips N.V.
InventorsPeter Daniel Martijn VAN ZOEST, Dirk Hendrik WEVERS, Arno KROEZEN
Life of this patent
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Abstract
There is described a cutting element (106) for a hair cutting device (100). The cutting element (106) comprises a tactile wear indicator (140) that defines a skin-contact surface of the cutting element (106). The tactile wear indicator (140) comprises a wearable outer layer (148) of coating material having a dry lubricant additive (150).
Claims15
A cutting element for a hair cutting device, wherein the cutting element comprises:
- a cutting edge, a skin-facing region and a tactile wear indicator in the skin-facing region;
- wherein the tactile wear indicator comprises a wearable outer layer (146) that defines a skin-contact surface of the cutting element, the wearable outer layer comprising a coating material having a dry lubricant additive.
A method for manufacturing a cutting element having a tactile wear indicator, the method comprising:
- providing a cutting element comprising a cutting edge and a skin-facing region;
- and
- forming a tactile wear indicator by providing a wearable outer layer in the skin-facing region, wherein the wearable outer layer defines a skin-contact surface and comprises a coating material having a dry lubricant additive.
Dependencies are inferred from the claim text.