Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 6981440 | High-speed cylinder apparatus A movable cylinder (20) is provided with an inner cylinder chamber (21) and an outer cylinder chamber (31) which surrounds the inner cylinder chamber. The inner cylinder chamber is provided with an inner piston (22) inserted therein, whic... | 01/03/2006 |
| 5718791 | Method of laminating a trim panel and folding a cover sheet edge around the panel rim An improved method and apparatus for laminating a cover sheet onto a substrate, and folding and laminating the cover sheet edges around the back side of the substrate rim are especially suited to making finished trim panels having a strongly contoured thr... | 02/17/1998 |
| 5690025 | Trash receptacle and compactor for use in public areas and method A low profile trash receptacle housing carries a plurality of vertically and horizontally spaced hydraulic cylinders (A) and (B) for incrementally and simultaneously supplying a downward stroke upon a horizontally disposed compaction plate (C) so that upo... | 11/25/1997 |
| 5379628 | Drive for shifting the stroke position of forming machines A method of controlling the drive of a forming machine, in particular of a hydraulic press or hydraulically driven forging machine, having at least one pump cylinder actuated by a crank-type driving mechanism and having return cylinders subjected to const... | 01/10/1995 |
| 5271262 | Apparatus for forging a large caliber ring A large caliber ring forging apparatus which is able to uniformly forge a ring blank. The apparatus includes a vertical cylinder device (4) adapted such that a vertical ram (4a) thereof is pressurized by a source of pressurization and a horizontal cylinde... | 12/21/1993 |
| 4534286 | Ham mold closing apparatus An apparatus for closing a ham mold, in which at least one two-part mold, consisting of a container and of a cover that fits loosely into it, is positioned in a chamber that can be vacuumized. The cover can be moved in relation to the container in order t... | 08/13/1985 |
| 4147100 | Trash compactor A small portable housing forms a trash compacting chamber in the bottom. At one side of the housing interior, above the chamber, is a space through which trash can fall to the chamber from an upper trash compacting opening. At the other side of the interi... | 04/03/1979 |
| 4099436 | Apparatus for piercing sheet material Apparatus and controls therefor are provided for piercing sheet material. A punch is driven by a cylinder and piston positioned in tandem with a second cylinder and piston. The arrangement is such that a small pressure applied to the second piston results... | 07/11/1978 |
| 4073228 | Trash compactor A trash compactor using a dolly as a receptacle for the trash to be compacted. The dolly is normally spring supported ready for movement into and out of the compactor, but when in the compactor and subjected to compacting pressure, the dolly is pressed do... | 02/14/1978 |
