Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Bowed crests for milled tooth bits










Image Number 8 for United States Patent #6725952.

A drill bit has a bit body and at least one roller cone rotatably mounted on the bit body. The cone has a plurality of milled teeth at selected locations on the cone. At least one of the milled teeth has a substrate having a convex crest and a layer of hardfacing applied to the convex crest. The convex crest is adapted to produce at least one of a convex axial stress distribution, a substantially even axial stress distribution, and a substantially smooth axial stress distribution.








 
 
  Recently Added Patents
Solid-state image sensing device and control method of solid-state image sensing device
Printer
Account and customer creation in an on-line banking model
Paging of a user equipment (UE) within a wireless communications system
Image manipulating system and method
Methods and systems providing desktop search capability to software application
Hydrolases, nucleic acids encoding them and methods for making and using them
  Randomly Featured Patents
Elastic store slip circuit apparatus for preventing read and write operations interference
Compressible differential pressure energized seals for filter elements and the like
Method of contouring crystal plates
Apparatus and method for driving light source of projector
Lamp
Stopper for test tube, and the like
Micromechanical/microelectromechanical identification devices and methods of fabrication and encoding thereof
Game and teaching device construction
Vinylidene chloride film
Culture and growth system for epiphytic plants