39058 ⎘
Making helical bodies or bodies having parts of helical shape external screw-threads ; Making dies for thread rolling; Making by means of profiled-rolls or die rolls Thread-rolling heads
Sub-classes:MALE THREAD REPAIR TOOL
#2THREAD-ROLLING APPARATUS WITH DISTANCE-SENSING OPERATION
#3Self-drilling screw structure and manufacturing method thereof
#4Method for manufacturing a multi-functional fastener
#5Threading method, rolling head, apparatus, module and production line for pipe thread, and products thereof
#6Cold rolling devices and cold rolled rotary shouldered connection threads
#7Method, module, and apparatus for roll-processing external pipe thread, and external pipe thread production line
#8Thread rolling tool
#9Cold rolling devices and cold rolled rotary shouldered connection threads
#10Rolling head for rolling pipe threads, apparatus and pipe column blank machined by the apparatus
#11Thread rolling head
#12Anti-loose screw and a die device for forming same
#13Cold root-rolling device
#14Machine tool
#15Apparatus and method of producing spark plug
#16Machining method and apparatus for thread formation on workpiece
#17Method and device for manufacturing bolt, screw rolling die used therefor, and multiple screw bolt
#18Automatic releasing-type rolling head for forming tapered thread on pipe