Class 451/191 - Razor blade

Subclass of Class 451 - Abrading
Definition: Abrading machine in which the work member is intended to
No. of patents: 4
Last issue date: 11/14/2006

Number	Title	Issue Date
7134935	Lubricated razor blade edge sanitizer and sharpener An automatic razor blade sharpener simultaneously sharpens and sanitizes multiple edges of a spring-loaded disposable razor blade cartridge without edge overheating by lubricated gentle contact of the blade edges with a moving rubber or polymeric compliant belt that...	11/14/2006
6506106	Automated razor sharpening device Apparatus for sharpening a razor blade with a motor actuated sharpening member mounted in a housing with a slot for receiving the razor head and a cradle assembly for engaging the distal end of the razor handle to hold the razor head in the slot. A carria...	01/14/2003
4809464	Method and apparatus for sharpening metal blades Apparatus is provided for forming sharp edges on a flat metal blade strip. The apparatus is comprised of two series of synchronously rotated enmeshed abrasive wheels which successively contact the blade strip in opposite directions to remove the burr that...	03/07/1989
4265055	Method and apparatus for forming a razor blade edge Blade sharpening apparatus including two final honing wheels of substantially cylindrical geometrical configuration. The wheels are nominally five inches in length and six inches in diameter, the diameter of the exit end of the wheel being approximately 0...	05/05/1981

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