...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 |
| 7387575 | Method of manufacturing hollow body elements, section for use in the method, hollow body element, component assembly and die The invention relates to a method for producing hollow bodies (11, 211, 411) such as nut elements to be fastened to components (13, 213, 413) that usually consist of sheet metal. The invention especially relates to a method for producing hollow bodies ... | 06/17/2008 |
| 7367893 | Fastener manufacturing apparatus and method An assembly line for continuously manufacturing fasteners from a rod with a groove for receiving a wire for retaining the fasteners in a strip includes a receiver for receiving the rod. A die press is arranged to receive the rod from the receiver and includes a pier... | 05/06/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7338245 | Self-attaching nut A self-attaching nut for installation in a panel by a plunger driven against the bottom face of the nut, the bottom face of the nut including parallel rails on opposed sides of a channel-shaped recess and a threaded bore through the recess, eliminating the requireme... | 03/04/2008 |
| 7329191 | Section for the manufacture of hollow body elements, hollow body element and component assembly A section (10; 110) is provided for the manufacture of hollow body elements, in particular for the manufacture of pierce and rivet nuts having a square or rectangular outline in plan view and a ring-like piercing section (36; 236) at a side confronting... | 02/12/2008 |
| 7314417 | Method for the manufacture of hollow body elements, hollow body element and also progressive tool for carrying out the method A method of manufacturing hollow body elements such as nut elements for the attachment to components consisting normally of sheet metal, in particular to the manufacture of hollow body elements with an at least substantially square or rectangular outer periphery by ... | 01/01/2008 |
| 7090451 | Method for producing hollow bodies, profile for use in said method, hollow body, assembly unit and mold The invention relates to a method for producing hollow bodies such as nut elements to be fastened to components that usually consist of sheet metal. The invention especially relates to a method for producing hollow bodies with an at least substantially square or rec... | 08/15/2006 |
| 7013550 | Method of making self-piercing nuts A raw parallelepiped metal piece is pressed into a closed mold to provide a nut blank that has a generally square pilot portion (14) for piercing a metal panel, the nut blank having a pair of flanges (16) that continue from opposite side walls (15 | 03/21/2006 |
| 7004845 | Manufacturing process of a clinch nut and clinch nut achieved by such a process A manufacturing process of a clinch nut consists in forming a recess zone in a rough casting by cold heading so as to obtain a rough part. The rough part then undergoes a thermal annealing treatment followed by a cold heading operation enabling a bore to be formed d... | 02/28/2006 |
| 6997814 | Long barrel T-nut An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along th... | 02/14/2006 |
| 5618237 | Apparatus for making self-piercing nuts An apparatus makes self-piercing nuts from blanks (11) each having a cylindrical pilot portion (13) which has a raw unopened and unthreaded bore (12) and an end surface serving as a punch. The pilot portion surrounded by a rim (14) extending along a perip... | 04/08/1997 |
| 5263356 | Progressive former and method of producing same A progressive former and method of producing progressive formers is disclosed in which the bed frame is formed of two side frame members and a spacer member. The two side frame members and the spacer member are substantially fully machined before the side... | 11/23/1993 |
| 4175417 | Workpiece forming machine A high compression forming machine for forming workpieces such as nuts or like objects includes a toggle action subassembly for operating a Geneva-driven opposed-rams-press and cooperant vertically-disposed multiposition bolster or turret rotatably mounte... | 11/27/1979 |