Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 76/5.1
Name: Metal tools and implements, making > Machines > Drill-forming or sharpening
Description: Machine specifically adapted to change a member having some of the physical characteristics of a drill (i.e., a drill blank) to a member having the physical characteristics of a drill; or (2) to make the cutting of a drill of better shape for cutting.










Sub-classes under this class:

Class Number Class Name Patents
76/5.4 Forging 1
76/5.6 Punching 1


Patents under this class:

Patent Number Title Of Patent Date Issued
8091459 Method and apparatus for making a rotary tool for chip removing machining Jan. 10, 2012
5904939 Extruder for extrusion manufacturing May. 18, 1999
5780063 Apparatus for producing a hard metal or ceramic rod having helical bores Jul. 14, 1998
5601857 Extruder for extrusion manufacturing Feb. 11, 1997
5367836 Automatic drill loader Nov. 29, 1994
5263286 Drill and drill grinding method and apparatus Nov. 23, 1993
5201795 Rock bit manufacturing method Apr. 13, 1993
5182971 Button sharpening Feb. 2, 1993
4887493 Roller cutter drill bit and method of forming Dec. 19, 1989
4837983 Drill bit sharpening apparatus Jun. 13, 1989
4779440 Extrusion tool for producing hard-metal or ceramic drill blank Oct. 25, 1988
4412462 Drill adjusting tool Nov. 1, 1983
4380295 Automatic drill deburring and sorting machine Apr. 19, 1983
4164878 Well drilling bit dressing apparatus and method Aug. 21, 1979











 
 
  Recently Added Patents
Method for spore detection
Image forming apparatus
Methods and devices for coding and decoding images, computer program implementing them and information carrier enabling their implementation
Rack
Methods for integrating the production of cellulose nanofibrils with the production of cellulose nanocrystals
System and method for browsing tabbed-heterogeneous windows
Circuitry testing module and circuitry testing device
  Randomly Featured Patents
Program storage device for storage-aware flow resource
Multi-layered liquid detergent-builder concentrate compositions which on addition to water produce stable cleaning solutions
Valve, particularly solenoid valve
Ease "Z" threshold embedded in concrete
Self-luminescent display device having a temperature and light sensor for correcting image data and electronic apparatus thereof
Device for enciphering and deciphering, by means of the DES algorithm, data to be written to be read from a hard disk
Process for accelerated cure of epoxy resins
Level control circuit for portable radio communication apparatus
Method for forming products from a flue gas desulfurization by-product and products formed thereby
Eddy current probe apparatus having an expansible sleeve