Dry shavers

Details Dry shavers Dry shavers

1985-01-14

1986-03-18

Kazenske, E. R.

Cutlery

Blades

Razor blade

30 43, 30 4391, B26B 1904

Patent

active

045759413

ABSTRACT:
An inner cutter for a dry shaver is formed from a tube of hardenable steel which is slotted transversely to form a series of bridge members on which individual teeth are formed by shallow annular grooves which locally reduce the thickness of the bridge members.

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patent: 2168406 (1939-08-01), Harris
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patent: 2332379 (1943-10-01), Harris
patent: 2787829 (1957-04-01), Bayle
patent: 2833033 (1958-05-01), Heyek
patent: 2900719 (1959-08-01), Kohner et al.
patent: 3045345 (1962-07-01), Bermingham
patent: 3060569 (1962-10-01), Oliver et al.
patent: 3196541 (1965-07-01), Foley et al.
patent: 3643330 (1972-02-01), Brown
patent: 4170822 (1979-10-01), Groothius et al.

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