Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6185969 | Machine for bending tubes with small diameter A machine for bending tubes (1) with small diameters, which are pre-cut and provided with connection systems at both ends. This machine comprises elements (5) for grasping the rear end of the tube (1), elements for entrainment of the grasping elements acc... | 02/13/2001 |
| 5701655 | Method and apparatus for making brake shoes A method and apparatus for producing an arcuate brake shoe from a first strip of material which is to provide a web of the shoe and has a plurality of projections extending from one edge and a second strip which has a plurality of corresponding openings t... | 12/30/1997 |
| 5390538 | Process for bending metal hollow sections and apparatus for carrying out the process A roller-mandrel thrust bending process (RDSB process) is described, serving to bend metal hollow sections. Starting from the known rolling-bending process, where the hollow section to be bent is filled in its interior and is run into a bending station co... | 02/21/1995 |
| 5337591 | Machine and method of making duct coupling A machine for coiling a sheet metal strip having a pair of lateral flanges joined by a channel shaped rib with oppositely opening lateral grooves where the rib is on the outside of the coil, includes a pair of cooperating fluting rolls between which the s... | 08/16/1994 |
| 5036688 | Fender forming system A system of forming a curve in a substantially planar portion of a fender blank consists of a plurality of components and steps. First and second substantially parallel rollers are provided having selected diameters with a gap therebetween adapted to rece... | 08/06/1991 |
| 4845971 | Strap winding disposal device A strap coiling mechanism comprising a driven roller one having a serrated peripheral surface, a pinch roller for rotatably mounted at one extremity of a pivoted crank lever 8, said pinch roller being biassed towards the driven roller 1 by means of a comp... | 07/11/1989 |
| 4249406 | Line pipe forming apparatus and method A machine and method for forming line pipe is disclosed wherein small diameter roll elements not exceeding five times the thickness of the blank form a tube. The roll elements positioned in a pyramid roll assembly are dynamically adjustable toward and awa... | 02/10/1981 |
| 4096724 | Method of coiling a flat strip A method of coiling a flat strip, including the steps of advancing and supporting the strip, forming a partial loop on the leading end thereof while continuing to advance the strip toward an upcoiling nest where the coiling is completed, shearing the adva... | 06/27/1978 |
