Self-sharpening cutting implement and method of making the same

Details Self-sharpening cutting implement and method of making the same Self-sharpening cutting implement and method of making the same

1983-10-31

1986-06-03

Watts, Douglas D.

Cutlery

Combined cutlery or combined with ancillary feature

With sharpening feature

30350, 51295, B25F 300

Patent

active

045921415

ABSTRACT:
A self-sharpening cutting implement, especially scissors, includes two cutting elements which have respective gripping and cutting portions and which are pivotably connected to one another intermediate the gripping and cutting portions for movement relative to one another along a common plane. Each of the cutting portions has a cutting edge and an adjacent planar surface which is situated in the common plane. A layer of abrasive material is applied to one of the planar adjacent surfaces so that, as the cutting edge of the other of the cutting elements slides along this layer, it is sharpened. The layer may be applied by spraying, plating, vapor deposition, vacuum metallizing, sintering, or adhering the abrasive material to the respective planar adjacent surface.

REFERENCES:
patent: 2420650 (1947-05-01), Burch
patent: 4409004 (1983-10-01), Sarin et al.

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