IP Library Granted Patent US 8,225,510
Granted Patent B2
US 8,225,510 · App. 12/568,743 · Granted Jul 24, 2012

Razors and razor cartridges with a decreased total interblade span

Assignee: The Gillette Company
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Quick Facts
Patent No.
US 8,225,510
App. No.
12/568,743
Granted
Jul 24, 2012
Kind
B2
Abstract

A wet shaving razor cartridge that comprises a plurality of at least five elongate blade assemblies disposed in parallel between a guard and a cap of a housing, each blade assembly having a sharp cutting edge; wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 3 mm. Also, a wet shaving razor cartridge that comprise a plurality of at least four elongate blade assemblies disposed in parallel between a guard and a cap of a housing, each blade assembly having a sharp cutting edge; wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 2.5 mm.

Claims (19)

1. A wet shaving razor cartridge, comprising:

a plurality of at least five elongate blade assemblies disposed in parallel between a guard and a cap of a housing, each blade assembly having a sharp cutting edge and one or more perforations;

wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 3.2 mm and the one or more perforations are configured for rinse-through of water and debris, wherein each blade assembly further comprises a bent portion integrally formed with the sharp cutting edge and disposed rearward of the cutting edge, and wherein the one or more perforations is disposed near the bent portion, closer to the bent portion than the cutting edge.

2. The wet shaving razor cartridge of claim 1 wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 3 mm.

3. The wet shaving razor cartridge of claim 1 wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 2.75 mm.

4. The wet shaving razor cartridge of claim 1 wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 2.5 mm.

5. The wet shaving razor cartridge of claim 1 wherein each interblade span between blade assemblies is about 0.85 mm.

6. The wet shaving razor cartridge of claim 1 wherein each interblade span between blade assemblies is about 0.75 mm.

7. The wet shaving razor cartridge of claims 1 wherein the blade assemblies exhibit a blade shaving angle of greater than about 23°.

8. The wet shaving razor cartridge of claim 1 wherein said blade assemblies are fixedly mounted within said housing.

9. The wet shaving razor cartridge of claim 1 wherein said blade assemblies are floatably mounted within said housing.

10. The wet shaving razor cartridge of claim 1 wherein said plurality of blade assemblies are secured within said housing by one or more clips disposed at one or more opposing ends of said plurality of blade assemblies.

11. The wet shaving razor cartridge of claim 1 wherein the plurality of blade assemblies exhibit an increasing blade exposure as said blade assemblies are arranged from the guard to the cap.

12. The wet shaving razor cartridge of claim 1 wherein a span from the guard to the nearest of the plurality of blade assemblies is less than about 1.4 mm.

13. A wet shaving razor cartridge, comprising:

a plurality of at least four elongate blade assemblies disposed in parallel between a guard and a cap of a housing, each blade assembly having a sharp cutting edge and one or more perforations;

wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 2.55 mm and the one or more perforations are configured for rinse-through of water and debris, wherein each blade assembly further comprises a bent portion integrally formed with the sharp cutting edge and disposed rearward of the cutting edge, and wherein the one or more perforations is disposed near the bent portion, closer to the bent portion than the cutting edge.

14. The wet shaving razor cartridge of claim 13 wherein said blade assemblies exhibit a cumulative interblade span of no greater than about 2.4 mm.

15. The wet shaving razor cartridge of claim 13 wherein each interblade span between blade assemblies is about 0.85 mm.

Assignments (2)
MERGER AND CHANGE OF NAME Recorded Sep 26, 2016
From: THE GILLETTE COMPANY; THE GILLETTE COMPANY LLC
To: THE GILLETTE COMPANY LLC
Reel/Frame 040145/0258 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 19, 2009
From: PETERSON, MARK; COWLEY, KEVIN DAVID; OGLESBY, OLIVER DAVID
To: THE GILLETTE COMPANY
Reel/Frame 023544/0876 →
Continuity (2)
Provisional Application 61101038 · Sep 29, 2008
Related Publication 20100077617A1 · Apr 1, 2010