Threaded, headed fastener, or washer making: process and apparatus inventions

20090291766 - Method for producing panels ribbed on one or both sides: Method for the production of washers ribbed on one or both sides, wherein the rib profile either is achieved by rolling the raw material of the washers with the washers only after the rolling of the rib profile are punched out or by feeding the already punched out washers in... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.

20090291767 - Tap: A tap is designed in such a way that chips are aspirated and discharged forcibly so that the pollution of the environment can be prevented and the cleaning can be simplified. The tap includes an intake hole, and the intake hole includes openings. Accordingly, air intake is performed through the... Agent: Muramatsu & Associates

20090286608 - Method of forming a high performance thread forming screw: A thread forming screw having a minimum surface hardness of HRC 56. The screw can form threads in a workpiece having a surface hardness which exceeds HRC 23. A method of surface hardening a screw includes carbon enriching the screw to at least a 0.48 carbon level, and then quenching... Agent: Trexler, Bushnell, Giangiorgi, Blackstone & Marr, Ltd.