Abstract: There is provided in a preferred embodiment of the present invention a razor blade assembly having two plastic blades affixed to a central metal core. Each blade includes a blade edge and a connector for connecting to a connection slot in the metal core.

Abstract: A utility blade for use with conventional retractable and fixed blade utility knives comprising a blade body having a generally trapezoidal configuration defined by a cutting edge, an opposite back edge, a pair of opposing side edges and a pair of cutting points defined by the points of intersection between the side edges and the cutting edge. The blade further defines a pair of score lines, each proximate to one of the side edges. The score lines enable the user to remove a dulled or damaged cutting point, which in turn provides the user with two additional cutting points defined by the points of intersection between the score lines and the cutting edge. Further, the blade is configured with one or more notches strategically located on the back edge of the blade, such that each cutting point can extend from the utility knife at approximately the same distance.

Abstract: A utility blade for use with conventional retractable and fixed blade utility knives comprising a blade body having a generally trapezoidal configuration defined by a cutting edge, an opposite back edge, a pair of opposing side edges and a pair of cutting points defined by the points of intersection between the side edges and the cutting edge. The blade further defines a pair of score lines, each proximate to one of the side edges. The score lines enable the user to remove a dulled or damaged cutting point, which in turn provides the user with two additional cutting points defined by the points of intersection between the score lines and the cutting edge. Further, the blade is configured with one or more notches strategically located on the back edge of the blade, such that each cutting point can extend from the utility knife at approximately the same distance.

Abstract: A cutter assembly for a dry shaver, comprising an elongate carrier member (221); and a cutter element (1210) having a plurality of turns forming a helix, each having an arcuate cutting portion (1211) and an arcuate mounting portion following sequentially along the helix; said carrier member being disposed substantially parallel to the axis (D-D) of said cutter element; and said carrier member contacting and supporting the mounting portions of the turns and leaving the cutting portions as free-span arches.

Abstract: A shaving blade assembly pre-form comprising a blade frame comprising transverse connecting strips; a plurality of blades welded to the blade frame that span the transverse connecting strips along a length of the frame; and a disposable tie disposed parallel to the plurality of blades and across said transverse connecting strips.