Resources Contact Us Home
Browse by Category: Main > Tools & Hardware
Class Information
Number: 451/217
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Rocking > Hob, tap, or fluted thread
Description: Abrading machine which grinds teeth, grooves, or threads.

Patents under this class:

Patent Number Title Of Patent Date Issued
5906537 Five spindle fluting machine May. 25, 1999
5065549 Method and apparatus for manufacturing K-files and reamers Nov. 19, 1991
4999952 Method and apparatus for manufacturing K-files and reamers Mar. 19, 1991
4813188 Method of shaping workpieces especially forming undercut archimedean spirals Mar. 21, 1989
4358911 Machine for relief grinding tap threads Nov. 16, 1982
4202222 Method for preparation of spherical hob for generation of gear May. 13, 1980
4075790 Screw thread tap grinding with automatic loading means Feb. 28, 1978
4016680 Sharpener for twist drills including grinding wheel dressing means Apr. 12, 1977
3994099 Screw thread tap grinding Nov. 30, 1976

  Recently Added Patents
Memory elements with increased write margin and soft error upset immunity
Organic elelectroluminescent display
Lipoprotein analysis by differential charged-particle mobility
Nonvolatile semiconductor storage device and a manufacturing method thereof
Determination and presentation of package pricing offers in response to customer interest in a product
Method and receiver for jointly decoding received communication signals using maximum likelihood detection
  Randomly Featured Patents
Apparatus for classifying particles of tobacco and the like
Independent device for determining absolute geographic coordinates of an immersed moving body
Highly strengthened spring and process for producing the same
Modular surge suppressor
Radio frequency identification tag
Identity-based encryption system
Color image processing method and apparatus for correcting a color signal from an input image device
Fork level indicator for lift trucks
Method and apparatus for welding workpieces of high-temperature superalloys
Modular decking planks