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Class Information
Number: 470/58
Name: Threaded, headed fastener, or washer making: process and apparatus > Apparatus for making externally threaded fastener or article, e.g., screw, bolt, etc. > Screw fastener making
Description: Subject matter for apparatus for manufacturing a securing device, i.e., a fastener, having an external helical ridge which converges to point on an end of the device.

Sub-classes under this class:

Class Number Class Name Patents
470/60 Having head nicking 1
470/64 Having head shaving means 1
470/65 Having pointing means 15
470/66 Having thread cutting means 49
470/84 Having thread swaging means 20
470/59 Wooden screw 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8382601 Method and device for manufacturing fastenings or fasteners with radial outer contours, especially screws or threaded bolts Feb. 26, 2013
7660704 Screw tightening designing method and screw tightening designing apparatus Feb. 9, 2010
4426178 Pipe cutting and threading device Jan. 17, 1984
4404721 Pipe thread cutting and assembly machine Sep. 20, 1983
4402120 Apparatus for rethreading tubular members Sep. 6, 1983
4375708 Non-indexing machining method and apparatus Mar. 8, 1983
4289006 Apparatus for producing threaded self-tapping stainless steel screws Sep. 15, 1981
4138754 Apparatus for producing drill screws Feb. 13, 1979
4058864 Screw shank slotting mechanism Nov. 22, 1977
4025219 Pipe machining apparatus, particularly combination pipe threading and cutting machine May. 24, 1977
4001906 Machine for cutting slots in screw shanks Jan. 11, 1977
3992740 Screw blank receiving and orienting collet Nov. 23, 1976
3968533 Fastener manufacturing apparatus Jul. 13, 1976
3951564 Pipe or tube cutter for hand drills Apr. 20, 1976

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