Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 6126892 | Apparatus and method for precision gear finishing by controlled deformation An apparatus and method are provided for the thermomechanical net shape finishing of precision gear tooth surfaces by controlled deformation into metastable austenitic condition. To this end, an arrangement of a fixed axis through-feed motion of workpiece... | 10/03/2000 |
| 6007762 | Apparatus and method for precision gear finishing by controlled deformation An apparatus and method are provided for the thermomechanical net shape finishing of precision gear tooth surfaces by controlled deformation into metastable austenitic condition. To this end, an arrangement of a fixed axis through-feed motion of workpiece... | 12/28/1999 |
| 5213636 | Method and apparatus of quench hardening of gear teeth surfaces A method for induction heating and quench hardening of helical gears provides a hardness pattern uniformly distributed to a controlled depth across and between the teeth surfaces by means of axial scanning of the workpiece and uniform quenching. Uniform q... | 05/25/1993 |
| 5053596 | Apparatus and method of induction-hardening machine components with precise power output control An induction-hardening machine for the contour hardening of machine components such as gears includes a system processor which controls thyristor power switching circuits which supply high-power signals to an RF generator. Power switching circuits include... | 10/01/1991 |
| 4746101 | Induction hardening of gear teeth There is disclosed a process and apparatus for induction hardening of the flank, root and tip surfaces of the teeth of a gear so as to provide surface-hardened layer along said surfaces. An electrically energizable inductor head carries out traversing mov... | 05/24/1988 |
| 4251705 | Inductor for hardening gear teeth An inductor for heating the circumferentially opposed working surfaces and the root surface between adjacent gear teeth includes a nose portion received between the adjacent teeth and having a profile corresponding to that of the working and root surfaces... | 02/17/1981 |
| 4251704 | Unit for induction heating and hardening gear teeth An induction heating unit is disclosed which is operable to inductively heat and harden teeth on circumferentially extending radially thin flange segments of a gear. The unit includes an inductor conforming in circumferential contour and length to the fla... | 02/17/1981 |
