Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7387762 | Apparatus for sintering silver clay A sintering apparatus for silver clay wherein a silver clay composition can be readily and easily sintered by exposing a silver clay composition obtained by molding to a flame of a solid alcohol fuel. ... | 06/17/2008 |
| 6997705 | Rotating chains or rings carry vertically hanging trays for heat processes in a furnace A furnace for energy saving and space reduction used in electronic industry assembly, medical sterilization, or food process application is provided. In the furnace there is a number of trays hinged on a pair of continuous chains which movement is in a circle or ova... | 02/14/2006 |
| 6884387 | Empty-can treatment system and empty-can treatment method In order to apply reclaimed oil to surfaces of empty cans each formed from a steel material and an aluminum material and having a coated surface and to heat the oil-applied empty cans, an empty-can treatment system includes a rotary kiln for heating the empty cans; ... | 04/26/2005 |
| 5766382 | Thermal treatment method and installation for the implementation of this method A thermal treatment installation for treating and quenching pieces (22) of small dimensions comprises a treatment line (LT) including a treatment furnace (2) for bringing the pieces to treatment temperatures, a quenching cell (4) located downstream from t... | 06/16/1998 |
| 5393039 | Apparatus for conveying, optionally treating, and dispensing articles Similar to a paddle wheel, a rotary magazine for storing and conveying articles is mounted to turn about a horizontal axis and has radially extending vanes spaced around and fixed to the periphery of a central cylinder. At an accessible region an article ... | 02/28/1995 |
| 5182073 | Apparatus for surface treating metal billets An apparatus for eliminating chevron cracks or other imperfections in the surface of elongate billets as billets pass vertically downwardly through a heating chamber, including a plurality of plasma arc torches. The heating chamber contains a billet mold ... | 01/26/1993 |
| 4819917 | Apparatus for deburring workpieces by gas detonation An apparatus for deburring workpieces by gas detonation comprises a bed (1) having mounted thereon a casing (2) open at one end (4), and an indexing table (6) with bottoms (7) arranged alternately in front of the open end (4) of the casing (2). There is a... | 04/11/1989 |
| 4802654 | Thermopulse apparatus for deburring parts A thermopulse apparatus for deburring parts has a hollow body (1) housing a working chamber (2) in such a manner as to define a space (7) between the outer walls (6) thereof and inner walls (4) of the body (1) for liquid (8) partly filling the space. The ... | 02/07/1989 |
| 4796867 | Apparatus for thermal deburring of parts An apparatus for thermal deburring of parts has a working chamber (6) with a bottom member (3), an inlet valve (8), a spark plug (9) and an outlet valve. The latter is made in the form of a rod (10) having a through passage (11), one end of the passage co... | 01/10/1989 |
| 4796868 | Apparatus for thermal deburring of parts An apparatus has a cylindrical working chamber (2) with a bottom member (7) provided with admission and discharge valves (3,5) and a spark plug (4). The bottom member (7) is made as a hollow cylinder having end plates and openings (8), the height and outs... | 01/10/1989 |
| 4761192 | Method of and apparatus for remelting and hardening a shaft A method of and an apparatus for remelting and hardening an elongate workpiece such as a shaft having a plurality of axially spaced shaft portions to be processed. The shaft is held in a second position, heated, and thereafter transferred to a first posit... | 08/02/1988 |
| 4413814 | Initiating cone An apparatus and method for removing burrs and other roughage from stamped, milled and cast metallic articles. A conical combustion chamber is provided with a spiral groove which creates a turbulent flow for an ignited combustible mixture, which turbulenc... | 11/08/1983 |
| 4372540 | Apparatus for oxygen sprinkle smelting of sulfide concentrates A horizontal furnace for converting nonferrous metal sulfide concentrates to a molten matte has a plurality of vertically disposed burners along the longitudinal axis of the furnace roof, the burners spaced from each other, means for introducing oxygen-ri... | 02/08/1983 |
| 4358095 | Furnace The invention relates to reverberatory furnaces used to operate upon baths of light metals, non-ferrous metals and alloys thereof. Reduction of wear on furnace walls, of energy used during operation and of dross formation on the metal bath, is achieved by... | 11/09/1982 |
| 4330912 | Furnace roll A roll especially adapted for supporting alloy pipe and tubing during travel through an annealing furnace; the roll has a roll body constructed of at least one refractory casting mounted on a cooled shaft and having a reinforcing binder distributed substa... | 05/25/1982 |
| 4298189 | Apparatus for the continuous hardening of pump casings The invention relates to an apparatus for the continuous hardening of pump casings by means of flame hardening, with or without modifications to the core characteristics. As a result the life of the thus treated pump casing is considerably increased, even... | 11/03/1981 |
| 4249724 | Apparatus for tempering the surfaces of mutually displaced cams of a cast-iron camshaft An apparatus for tempering the surfaces of mutually displaced cams of a cast-iron camshaft in which heat energy sources are movably disposed at a distance from each cam. The apparatus holds the camshaft to be tempered in a vertical orientation for rotatio... | 02/10/1981 |
| 4245818 | Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys Apparatus for heat treatment of metal pieces such as billets, ingots, bars and the like, by pre-heating using hot gas impingement in a pre-heating furnace, and then transference into a holding furnace using forced hot air circulation where the metal piece... | 01/20/1981 |
| 4147335 | Apparatus for hardening the cam tracks of camshafts for internal combustion engines An apparatus for hardening the cam tracks of camshafts in which one or more camshafts to be hardened are mounted adjacent a master camshaft for synchronous rotation therewith. A plurality of burners are slidably mounted adjacent each track to be hardened ... | 04/03/1979 |
| 4135704 | Method and apparatus for heat treatment of material to be worked on, especially of aluminum alloys or magnesium alloys Apparatus for heat treatment of metal pieces such as billets, ingots, bars and the like, by pre-heating using direct flame impingement in a pre-heating furnace and then transferance into a holding furnace using forced hot air circulation where the metal p... | 01/23/1979 |
| 4093195 | Carburizing furnace Apparatus and method for carburizing and carbonitriding ferrous metal work in a continuous furnace having aligned heating, carburizing and diffusing zones. Each zone is provided with fan means in at least one side wall of the furnace, with both the inlet ... | 06/06/1978 |
| 4065249 | Heater for billets An apparatus for heating materials such as aluminum billets to a temperature suitable for extrusion is disclosed. The apparatus has at least two zones arranged in tandem, a preheat zone and one or more primary heating zones. Every zone has inner and outer... | 12/27/1977 |
