Razor blades

Details Razor blades Razor blades

1986-06-04

1988-01-26

Watts, Douglas D.

Cutlery

Blades

Razor blade

303465, B26B 2154

Patent

active

047209186

ABSTRACT:
A razor blade edge tip has a cross-sectional shape defined, over up to 40 .mu.m from the extreme edge by the equation w=ad.sup.n, in which w is the tip chord thickness in .mu.m at a distance d from the extreme edge; a is factor of proportionality not greater than 0.8, and n is an exponent having a value in the range 0.65 to 0.75.
This results in a tip shape which is relatively thick very close to the edge but whose overall cross-section is narrow, compared with known tip shapes.

REFERENCES:
patent: 3835537 (1974-09-01), Sastri

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