An integrally formed rigid razor blade is provided. The razor blade includes a cutting edge portion extending along a cutting edge portion axis and having a cutting edge at one end, a base portion extending along a base portion axis, and a bent portion intermediate the cutting edge portion and the base portion. The bent portion has an average radius of curvature of between 0.4 millimeters and 1.00 millimeters. The cutting edge portion has a cantilever dimension which is a constant distance of between 1.1 millimeters and 1.8 millimeters when measured from the cutting edge portion to the base portion axis.

An integrally formed rigid razor blade is provided. The razor blade includes a cutting edge portion extending along a cutting edge portion axis and having a cutting edge at one end, a base portion extending along a base portion axis, and a bent portion intermediate the cutting edge portion and the base portion. The bent portion has an average radius of curvature of between 0.4 millimeters and 1.00 millimeters. The cutting edge portion has a cantilever dimension which is a constant distance of between 1.1 millimeters and 1.8 millimeters when measured from the cutting edge portion to the base portion axis.

The present disclosure provides a razor cartridge including at least one shaving blade having a cutting edge, a blade housing configured to accommodate the at least one shaving blade aligned in a transverse direction, a heated area formed at the blade housing, and comprising at least one heating pattern made of a conductive material, and a non-heated area formed at the blade housing made of a material different from the heated area, wherein the conductive material included in the at least one heating pattern is a conductive plastic or metallic material, and wherein the heated area is configured to generate heat by receiving electric power from a power supply.

A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.

A primary battery includes a cathode having a non-stoichiometric metal oxide including transition metals Ni, Mn, Co, or a combination of metal atoms, an alkali metal, and hydrogen; an anode; a separator between the cathode and the anode; and an alkaline electrolyte.

A razor assembly comprising a first razor head member; a second razor head member; a handle; and wherein the first razor head member and the second razor head member are pivotable about each other.

A razor assembly comprising a first razor head member; a second razor head member; a handle; and wherein the first razor head member and the second razor head member are pivotable about each other.

A razor handle including a hollow, elongated gripping member having an open end, a second end and an intermediate opening, a cartridge connection member having a first end adapted to retain a razor cartridge and a second end forming an insert having a receiver, and a fastener adapted to pass through the intermediate opening of the gripping member and engage the receiver on the insert to securely retain the cartridge connection member on the gripping member. Also, a method of manufacturing a razor handle including inserting an insert of a cartridge connection member into an open end of a gripping member, passing a stem member of the fastener through an intermediate opening of the gripping portion, and securing the stem of the fastener to the cartridge connection member to retain the cartridge connection member on the gripping portion.

A razor handle including a hollow, elongated gripping member having an open end, a second end and an intermediate opening, a cartridge connection member having a first end adapted to retain a razor cartridge and a second end forming an insert having a receiver, and a fastener adapted to pass through the intermediate opening of the gripping member and engage the receiver on the insert to securely retain the cartridge connection member on the gripping member. Also, a method of manufacturing a razor handle including inserting an insert of a cartridge connection member into an open end of a gripping member, passing a stem member of the fastener through an intermediate opening of the gripping portion, and securing the stem of the fastener to the cartridge connection member to retain the cartridge connection member on the gripping portion.

A razor cartridge includes a housing, a guard, a cap and a plurality of razor blades installed between the guard and cap in the housing, each blade including a base portion, a bent portion extending from an end of the base portion, and an edge portion extending from an end of the bent portion with a cutting edge formed at an end of the edge portion, wherein a first distance between a straight line extending from the front of the base portion and an end point of the cutting edge is in the range of 0.3 to 1.0 mm, wherein an overlap size defined as a distance by which the first distance of one of the razor blades is overlapped by an adjacent razor blade located behind the razor blade when the adjacent razor blade is projected in the vertical direction is less than or equal to 0.5 mm.