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 |
| 6196298 | Heat sink A heat sink particular suitable for dissipating heat from lamps. The sink is circular in cross-section having a central core and radial fins extending at an angle to a plane extending through the axis of the core.... | 03/06/2001 |
| 5967170 | Pressure relief panels A pressure relief panel (1) for a vessel is mounted within a frame (11, 17) in the vessel wall. The panel (1) has a flap (3) which bursts open on predetermined over (or under) pressure within the vessel. The periphery of the flap (3) is at least partly de... | 10/19/1999 |
| 5868500 | Slide bearing A slide bearing including an assembly of slide pads compressively mounted within a housing. The bearing allows a pipe to be held such that it may slide through the bearing whilst still accommodating lateral and pitch variations.... | 02/09/1999 |
| 4591520 | Pressure relief disc A domed bursting disc adapted to be mounted in a holder and subject to pressure in which the disc is formed of flexible graphite. The flexible graphite may be used in a reverse buckling mode and may be backed by a metal disc. The disc is capable of operat... | 05/27/1986 |
| 4468812 | Flexible container A flexible container for potable liquids, the container being of a fabric reinforced rubber body with an internal lining, the lining being bonded to the rubber and being formed of a non-orientated polypropylene. The potable liquid may be wine.... | 08/28/1984 |
| 4464442 | Brazing alloy A sheet of brazing alloy foil, a clad sheet of aluminum, a brazed large section structure or a method of vacuum brazing large aluminium structures utilizing a brazing alloy based on aluminium and containing 4.5 to 13.5% silicon, 0.1 to 1.5% strontium and ... | 08/07/1984 |
| 4436218 | Reverse buckling bursting disc A reverse buckling disc having a central domed region, an outer flange and an integral transitional region interconnecting the flange and the domed central region wherein the included angle of the transitional region is greater than the included angle of ... | 03/13/1984 |
| 4434842 | Plate fin heat exchanger A heat exchanger in which liquids are boiled, the heat exchanger being provided with fins in the boiling region, the fins comprising a corrugated layer formed of two sheets, each sheet being apertured, the sheets being in close proximity one to the other ... | 03/06/1984 |
| 4426015 | Container A container for fluids intended for use on a standard pallet, the container being formed of an outer fibreboard skin with an inner fluid-tight flexible bag, a series of posts each located vertically in the middle of a face of the container between the fib... | 01/17/1984 |
| 4422917 | Electrode material, electrode and electrochemical cell The invention provides an electrode material, and a method for its manufacture, for use in electrochemical reactions comprising bulk titanium oxide having the general formula TiOx where x is from 1.55 to 1.95 and also electrochemical cells incl... | 12/27/1983 |
| 4422561 | Fuel tank component An inner wall for a self-sealing fuel tank in which the inner wall is provided with a plurality of fronds bonded at one end to the wall, the fronds facing towards the inside of the tank such that on penetration of the wall of the tank by a projectile the ... | 12/27/1983 |
| 4399830 | Safety pressure relief device assembly A safety pressure relief device including a pair of annular disc holders adapted to clamp between them a reverse buckling disc, one of the annular discs being located within the other disc and an arrester bar being disposed within the confines of the othe... | 08/23/1983 |
| 4292149 | Current rope anodes The invention provides a submergeable structure provided with cathodic protection means comprising a flexible impressed current anode assembly including at least one elongate electrode wound around a rope and lying in the depressions between the strands o... | 09/29/1981 |
