Razors

Details Razors Razors

1993-09-30

1995-05-23

Payer, Hwei-Siu

Cutlery

Razors

Combined

30 84, B26B 1942

Patent

active

054169739

ABSTRACT:
A safety razor blade unit has cap structure with upstanding fin elements directed perpendicular to the blade edges to define a cap surface featuring low frictional resistance characteristics during shaving. The fin elements are spaced at a pitch distance of 0.3 to 0.7 millimeter, are 0.3 to 1.0 millimeter in height and are substantially triangular in cross-section with an aspect ratio of 2:1 to 4:1.

REFERENCES:
patent: 2666982 (1954-01-01), Schroder
patent: 3116550 (1964-01-01), De-Paoli
patent: 4914817 (1990-04-01), Galligan et al.
patent: 5056222 (1991-10-01), Miller et al.
patent: 5067238 (1991-11-01), Miller et al.
patent: 5191712 (1993-03-01), Crook et al.
patent: 5249361 (1993-10-01), Apprille, Jr. et al.
British Patent Application No. 88 25 268.9, filed Oct. 28, 1988.

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