Razor and shaving cartridges

Razor and shaving cartridges

  • CN 102,099,165 B
  • Filed: 07/08/2009
  • Issued: 11/25/2015
  • Est. Priority Date: 07/16/2008
  • Status: Active Grant
First Claim
Patent Images

1. a shaving cartridges, described shaving cartridges comprises:

  • Protector;

    Top cover;

    WithAt least two blades with parallel sharp knife edges between described protector and top cover, first blade limits the blade near described protector, and the second blade limits the blade near described top cover, and the cutting force that wherein said first blade has is less than the cutting force of described second blade;

    Wherein said first blade comprises substrate, and described substrate has the thickness between 1.3 and 1.6 microns in insert tip at a distance of the distance of four microns;

    At a distance of the distance of eight microns, there is the thickness between 2.2 and 2.7 microns in insert tip;

    At a distance of the distance of 16 microns, there is the thickness between 3.8 and 4.9 microns in insert tip;

    Described thickness at four microns of places be at least 0.45 at the ratio of eight microns of described thickness located;

    And the described thickness at four microns of places be at least 0.25 at the ratio of 16 microns of described thickness located;

    AndDescribed second blade comprises substrate, and described substrate has at a distance of the distance of four microns the thickness being greater than 1.6 microns with insert tip;

    At a distance of the distance of eight microns, there is the thickness being greater than 2.7 microns with insert tip;

    At a distance of the distance of 16 microns, there is the thickness being greater than 4.9 microns with insert tip.

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