Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 6351978 | Roller mount with three-axis freedom A roller mounting arrangement for a machine in which elongated material is shaped by rollers as the material progresses along a pathway. The rollers are mounted so that they are free to pivot and distribute forming pressure over a wider area of the materi... | 03/05/2002 |
| 6276181 | Three-roll-type reducing mill for electro-resistance-welded tube A three-roll-type reducing mill including three forming rolls brought into contact with an outer periphery of an electro-resistance-welded steel tube for reducing its diameter. Two left and right sliding brackets respectively mounted with two follower for... | 08/21/2001 |
| 6223575 | Tube forming machine using three point bending A tube forming machine for making a tube from a sheet is disclosed. The forming rolls of this invention include various V-shaped rolls at least some of which are used as part of a three-point bending technique. The three-point bending technique entails th... | 05/01/2001 |
| 5553526 | Clamp and lower blade mechanism for a steel pipe travelling cutting machine A clamp mechanism in a travelling cutting machine for a steel pipe, in which a clamp open-close wedge provided with a biasing spring is mechanically operated using a cam system in association with vertical movement of a lifting base plate, thereby minimiz... | 09/10/1996 |
| 5140123 | Continuous manufacturing method for a metal welded tube and a manufacturing apparatus therefor A continuous manufacturing method for a metal welded tube and a manufacturing apparatus therefor, which obtains a tubular member by continuously passing a metal band coil through molding rollers, guides the tubular member to abutting rollers to bring the ... | 08/18/1992 |
| 5105700 | Tube cutting apparatus and method An apparatus for cutting tubing to predetermined lengths while the tubing is being produced. The apparatus includes a cutting or shearing assembly comprising a die-set which having a cutting blade. The die-set is translated to a velocity which matches the... | 04/21/1992 |
| 4979410 | Reversibly rotating tube cutting apparatus and method The invention is embodied in a tube cutting station in a tube producing mill. The cutting station includes a rotating press assembly and an axially moving cutting assembly. The cutting assembly is accelerated axially to a velocity which matches that of th... | 12/25/1990 |
