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 |
| 7665341 | Negative-angle press-working die To enable formation at a negative angle with deep bending and forming a high-quality panel, a negative-angle press-working die includes an elevatable pad fixed to an upper die, a slide cam supported to be slidable laterally on the upper die or a lower die and having... | 02/23/2010 |
| 7363794 | Bearing structure and press molding apparatus having the structure While a rotational die and a predetermined position of a lower mold in which the rotational die is provided can be set in a zero contact manner, operation of setting the rotational die in the predetermined position of the lower mold can be easily performed, and occu... | 04/29/2008 |
| 7243524 | Negative-angle press-working die Operations for uniting together a fixed support base 4 for fixedly supporting a workpiece W and a support die and for composing and decomposing a negative-angle press-forming die to take out a product processed by a negative-angle press-forming process are pr... | 07/17/2007 |
| 6792785 | Contact surface structure of bending die The present invention provides a bending die in which the fixed die 1 and the rotary die 2 are surface contacted to each other, the rotary die 2 is rotated rearward after press forming to cause the workpiece 3 to be moved away from the di... | 09/21/2004 |
| 6038908 | Bending die having rotary die This invention is comprised of a lower die having a groove-like cavity formed at its upper surface; a rotary die supported in the cavity of the lower die at both ends thereof by a shaft and rotatably stored in it; an upper die arranged above the rotary di... | 03/21/2000 |
