Cutlery – Cutting tools – Plural cooperating blades
Patent
1986-03-10
1987-04-28
Watts, Douglas D.
Cutlery
Cutting tools
Plural cooperating blades
30200, B26B 1922
Patent
active
046602852
ABSTRACT:
When thinning scissors, in which the cutting edge of at least one scissor blade is serrated and the cutting edge of the other scissor blade is, for example, smooth, are used, visible steps detrimental to the appearance of the hair-style are obtained during thinning. To prevent the steps from being visible in the finished hair-style, one scissor blade of the thinning scissors has, on its outer side, a serration with stub teeth which overlies its cutting edge at a distance from the latter, the individual teeth projecting relative to the cutting edge of the scissor blade and having differing lengths.
REFERENCES:
patent: 887494 (1908-05-01), Mulertz
patent: 1115104 (1914-10-01), Prikla
patent: 1639617 (1927-08-01), Seavey
patent: 2272580 (1942-02-01), Phillips
Kurt Schmidt Fabrikation von Stahlwaren und chirurgischen Instru
Smith, Jr. John C.
Watts Douglas D.
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