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Class Information
Number: 451/222
Name: Abrading > Machine > Rotary tool > Rotary cylinder > Reciprocating work holder > Rectilinear > Work rotating > Thread abrader
Description: Abrading machine which grinds a helical groove in a workpiece.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6648341 |
Chuck with helical jaw bite |
Nov. 18, 2003 |
| 6126521 |
Process and apparatus for manufacturing endodontic instruments |
Oct. 3, 2000 |
| 6120364 |
Grinding fixture and assembly |
Sep. 19, 2000 |
| 5210980 |
Diamond grinding machine for threading and forming hard materials such as ceramics, carbide and glass objects |
May. 18, 1993 |
| 5188491 |
Method for cutting the flanks of an infeed worm and worm milling machine |
Feb. 23, 1993 |
| 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 |
| 4953325 |
Thread grinding attachment |
Sep. 4, 1990 |
| 4930265 |
Thread grinding method and machine |
Jun. 5, 1990 |
| 4631870 |
CNC grinding machine |
Dec. 30, 1986 |
| 4548000 |
Method for producing threaded sections of threading tools |
Oct. 22, 1985 |
| 4484931 |
Thread grinder |
Nov. 27, 1984 |
| 4408418 |
Method of forming through-feed cylindrical thread rolling dies |
Oct. 11, 1983 |
| 4393624 |
Thread grinder |
Jul. 19, 1983 |
| 4358911 |
Machine for relief grinding tap threads |
Nov. 16, 1982 |
| 4339894 |
Convoluted shirring wheel |
Jul. 20, 1982 |
| 4142330 |
Thread grinding machine |
Mar. 6, 1979 |
| 4052823 |
Tap transport device |
Oct. 11, 1977 |
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