The present disclosure relates to a hair cutting appliance (10), a blade set (20), and to a stationary blade (22) for said blade set (20). Said stationary blade (22) may comprise a first wall portion (100) arranged to serve as a skin facing wall when in operation, a second wall portion (102) at least partially offset from the first wall portion (100), such that the first wall portion (100) and the second wall portion (102) define therebetween a guide slot (96) arranged to receive a movable cutter blade (24), an intermediate wall portion (44) arranged between the first wall portion (100) and the second wall portion (102), at least one toothed leading edge (30) jointly formed by the first wall portion (100) and the second wall portion (102), wherein the at least one toothed leading edge (30) comprises a plurality of teeth (36), wherein the first wall portion (100) and the second wall portion (102) are connected at a frontal end of the at least one leading edge (30), thereby forming tips (86) of the teeth (36), wherein the stationary blade (22) is an integrally formed metal-plastic composite stationary blade (22), wherein the first wall portion (100) is at least partially made from metal material, wherein the second wall portion (102) is at least partially made from plastic material, wherein the intermediate wall portion (44) defines a central offset (lco) between the first wall portion (100) and the second wall portion (102), and wherein the intermediate wall portion (44) is adapted to a respective opening (46) of a to-be-mounted movable cutter blade (24). The disclosure further relates to a method for manufacturing a respective blade (22).

A stationary blade for a blade set of a hair cutting appliance includes a top wall, a bottom wall, and a guide slot formed between the top and bottom walls to accommodate a movable blade. The stationary blade further includes a plurality of stationary blade teeth each having a frontal end. The top and bottom walls are mutually joined at the frontal ends, where the top and bottom walls are, at least at the frontal ends, made from sheet metal material. Further, at the frontal ends, two or more sheet metal folded edges are present.

A stationary blade for a blade set of a hair cutting appliance is described. The stationary blade is arranged to be moved through hair in a moving direction to cut hair. The stationary blade includes: a first wall portion arranged to serve as a skin facing wall when in operation; a second wall portion at least partially offset from the first wall portion; and at least one toothed leading edge comprising a plurality of teeth and being jointly provided by the first wall portion and the second wall portion. The first wall portion and the second wall portion are connected at a frontal end of the at least one toothed leading edge to provide tips of the teeth. A blade set including the stationary blade and a moveable cutting blade are also described. A method of fabricating a blade set is also described.

A method of forming a sheet-metal based double-walled stationary blade includes providing a first and second pre-product layers, providing a guide slot for a cutter, and bonding longitudinal ends of the first and second pre-product layers together to include an offset forming a guide slot to receive a to-be-mounted cutter. The bonding includes melting or depositing material at transition zone, thereby forming tips of the stationary blade teeth which are arranged adjacent to the transition zone between the pre-product layers.

A method of manufacturing a blade set (20) of a hair cutting appliance (10) includes forming a stationary blade (22). The stationary blade (22) comprises a first wall portion (100) arranged to serve as a skin facing wall when in operation, a second wall portion (102) at least partially offset from the first wall portion (100), such that the first wall portion (100) and the second wall portion (102) define therebetween a guide slot (96) arranged to receive a movable cutter blade (24), an intermediate wall portion (44) arranged between the first wall portion (100) and the second wall portion (102), and at least one toothed leading edge (30) jointly formed by the first wall portion (100) and the second wall portion (102). The at least one toothed leading edge (30) comprises a plurality of teeth (36), wherein the first wall portion (100) and the second wall portion (102) are connected at a frontal end of the at least one leading edge (30), thereby forming tips (86) of the teeth (36).

A blade set for a hair cutting appliance is described. The blade set (26) is arranged to be moved through hair in a moving direction to cut hair, and includes a stationary blade including a support insert and a metal component. The metal component and the support insert are force-fitted to one another. The metal component is at least sectionally deformed to define at least one toothed leading edge having double-walled stationary blade teeth. The metal component forms a first wall that is arranged to serve as a skin-facing wall when in operation, and a second wall that is facing away from the first wall. A guide slot for a movable blade is defined between inwardly facing inner surfaces of the metal component and the support insert and a movable blade having a plurality of movable blade teeth.

A hair cutting appliance, a blade set for a hair cutting appliance, and to an integrally formed metal-plastic composite stationary blade for said blade set and a method of manufacture is disclosed. The stationary blade includes a first wall portion arranged to serve as a skin facing wall when in operation, a second wall portion at least partially offset from the first wall portion, such that the first wall portion and the second wall portion define therebetween an inner guide slot arranged to receive a moveable cutter blade. At least one toothed leading edge is jointly formed by the first wall portion and the second wall portion, and a plastic component comprising at least one mounting element.

The present invention relates to a cutter system for an electric shaver and/or trimmer, comprising a pair of comb-like cutting elements each with at least one row of cutting teeth and movable relative to each other, wherein one of said cutting elements has thickened and/or rounded tooth tips overhanging the tooth tips of the other cutting element, characterized in that wherein said overhanging rounded tooth tips include a composite thickening which includes an outer shell surrounding an inner core, said shell and said core being made from different materials and wherein said shell is made from metal.

The present invention relates a method of manufacturing a hair cutting device with an outer metal shell, comprising the steps of forming the outer metal shell into a desired shape and mounting functional components for performing or helping to perform a personal care treatment into and/or onto said formed outer metal shell. Said forming the outer metal shell includes a hydraulic pressure forming step.

The present invention relates to a method (200) of forming a plurality of teeth of a cutting blade or guard, the method comprises: a) taking (210) a blank of material, the blank having an upper outer surface and a lower outer surface, wherein at least a portion of the lower outer surface is substantially planar and forms a plane of the blank; b) utilizing (220) a cutting device (20) In comprising a first die (40) and a second die (50), wherein the first die comprises a plurality of first elements (42) and the second die comprises a plurality of second elements (52), wherein a first plane (60) is defined with respect to upper surfaces of the plurality of first elements and a second plane (70) is defined with respect to lower surfaces of the plurality of second elements, and wherein each upper surface of the plurality of first elements has a centre part (44) that lies in the first plane and edge parts (46) that are below the first plane; c) placing (230) the blank in the cutting device, such that the portion of the lower outer surface faces the upper surfaces of the plurality of first elements and the portion of the upper outer surface faces the lower surfaces of the plurality of second elements; d) moving (240) the first die and second die with respect to each other such that the first plane is moved toward and passes through the second plane, such that each element of the plurality of first elements passes at least partially between adjacent elements of the plurality of second elements, and wherein teeth (80) of the cutting blade or guard are formed that correspond to the positions of the plurality of first elements and wherein the teeth have a lower outer surface formed from the lower outer surface of the blank; and e) utilizing (250) a bending device (30) to bend edge portions (82) of the teeth of the cutting blade or guard that extend below the plane of the blank after step d) back toward the plane of the blank.