Shaving system

Details Shaving system Shaving system

1990-09-28

1992-05-19

Watts, Douglas D.

Cutlery

Razors

Combined

30 50, 30 90, B26B 1940, B26B 2114, B26B 2140

Patent

active

051135850

ABSTRACT:
A shaving unit comprises at least one blade and a shaving composite that has a surface for engaging the user's skin adjacent the blade edge. The shaving unit may be of a disposable cartridge type adapted for coupling to and uncoupling from a razor handle or may be integral with a handle so that the complete razor is discarded as a unit when the blade or blades become dulled. The blade edge (or edges) cooperate with skin engaging surfaces to define shaving geometry. The shaving aid composite is a mixture of water insoluble matrix material, an effective amount of shaving aid material, and a water soluble low molecular weight release enhancing agent that enhances the releasability of the shaving aid material from the matrix material.

REFERENCES:
patent: 4170821 (1979-10-01), Booth
patent: 4381293 (1983-04-01), Michel
patent: 4586255 (1986-05-01), Jacobson
patent: 4624051 (1986-11-01), Apprille, Jr. et al.
patent: 4850106 (1989-07-01), Braun et al.
patent: 4858314 (1989-08-01), Cunningham
patent: 4872263 (1989-10-01), Etheredge
patent: 4875287 (1989-10-01), Creasy

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