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 |
| 7284548 | Cutting method by wire saw and cut workpiece receiving member in wire saw In a cutting method by a wire saw, in which a wire A at a wire array wound around work rollers 10 is made to reciprocate or travel in one direction at a high speed and numerous pieces of wafers are cut out in abutment of a workpiece B against the wire array, ... | 10/23/2007 |
| 7090560 | System and method for detecting abrasive article orientation Systems and methods control abrading operations of an abrading machine by sensing characteristics of an abrading article installed on the abrading machine. When a problem is discovered by sensing the article, appropriate actions may be taken. As one example, the abr... | 08/15/2006 |
| 7032279 | Apparatus and methods for repairing compressor airfoils in situ The apparatus includes a track mounted in the inlet of a compressor. A manipulator is mounted for movement about the track and carries three modules, the last of which mounts a tool head for movement in a Cartesian coordinate system and about the track. A measuring ... | 04/25/2006 |
| 7001250 | Synchronous tape head polishing device and method In the tape head polishing method of the present invention the tape head is moved orthogonally to the polishing medium (such as diamond polishing tape) direction of motion during polishing. The polishing medium motion is synchronized with the tape head motion, such ... | 02/21/2006 |
| 6993821 | Manufacturing cell using tooling apparatus A manufacturing cell having a plurality of work stations, where at least one of the work station comprises a metalworking machine, and where at least one metalworking machine is provided with a modular tooling apparatus. The modular tooling apparatus consists of a b... | 02/07/2006 |
| 6940172 | Chemical vapor deposition of titanium A titanium layer is formed on a substrate with chemical vapor deposition (CVD). First, a seed layer is formed on the substrate by combining a first precursor with a reducing agent by CVD. Then, the titanium layer is formed on the substrate by combining a second prec... | 09/06/2005 |
| 6903462 | Chemical vapor deposition of titanium A titanium layer is formed on a substrate with chemical vapor deposition (CVD). First, a seed layer is formed on the substrate by combining a first precursor with a reducing agent by CVD. Then, the titanium layer is formed on the substrate by combining a second prec... | 06/07/2005 |
| 6837779 | Chemical mechanical polisher with grooved belt A chemical mechanical polishing apparatus has a substrate holder, a polishing belt, and a backing member positioned on a side of the polishing belt opposite the substrate holder. The polishing belt has a polishing surface to contact at least a portion of the substra... | 01/04/2005 |
| 6827635 | Method of planarizing substrates A method and apparatus of planarizing substrates is disclosed. A planarizing web medium is prepared for planarizing substrates to reduce defect generation. The planarizing web has a planarizing region and preparing region defined thereon, wherein at least one portio... | 12/07/2004 |
| 6817925 | Multistage fine hole machining method and device A multistage fine-hole machining device has lap stations for lapping an inner surface defining a through-hole of a workpiece. Each of the lap stations has a passing unit for passing wire through the through-hole of the workpiece, a supply unit for supplying a polish... | 11/16/2004 |
| 6800020 | Web-style pad conditioning system and methods for implementing the same A system for conditioning a pad is provided. The system includes a pad conditioning media, a feed-roll containing a supply of the pad conditioning media, and a take-up roll for receiving an end of the pad conditioning media. Further included in the system is a press... | 10/05/2004 |
| 6739948 | Synchronous tape head polishing device and method In the tape head polishing method of the present invention the tape head is moved orthogonally to the polishing medium (such as diamond polishing tape) direction of motion during polishing. The polishing medium motion is synchronized with the tape head motion, such ... | 05/25/2004 |
| 6312319 | Polishing media magazine for improved polishing A polishing media magazine for improved polishing. The polishing media magazine may include a conditioning element for rapid, uniform conditioning and cleaning of the polishing media. The polishing media magazine may include polishing media having section... | 11/06/2001 |
| 6179689 | Spherical mirror surface processing method and device The device of this invention is made up by: a stage having an upper surface for which a section taken at a right angle to the longitudinal direction describes a concave arc; abrasive tape arranged on the stage at a right angle to the longitudinal directio... | 01/30/2001 |
| 5944585 | Use of abrasive tape conveying assemblies for conditioning polishing pads A conveying assembly in a conditioning sub-assembly for conveying a conditioning surface to a polishing pad during conditioning is described. The conveying assembly includes an arm and a guiding component connected to the arm and adapted to guide the cond... | 08/31/1999 |
| 5931726 | Adjustment plate An adjustment plate (10) is used for holding a fixture plate (12) adjustably on a grinder table (14). The adjustment plate (10) includes a shoulder bolt (30) that passes through the fixture plate (12) and threadably engages the adjustment plate (10). The ... | 08/03/1999 |
| 5620361 | Sanding accessory and method Sanding accessory for a conventional belt sander or the like, enabling manually held workpieces to be sanded to a super-smooth finish without rounding off their edges. A workpiece held by hand sideways against a fence parallel to the direction of travel o... | 04/15/1997 |
| 5575708 | Belt grinding machine and method for forming cutting edges on surgical instruments A belt grinding machine for forming cutting edges of complex geometry on surgical instruments includes a fixture for holding an instrument with a site thereon in a position for grinding a surface at the site on the instrument, a grinding assembly having a... | 11/19/1996 |
| 4999953 | Superfinishing machine using lapping film A superfinishing machine using lapping film applied in superfinishing of the surface to be polished of the work which is rotated or turned reciprocally. The rotating direction of a pair of take-up reels for lapping film is changed over and controlled by t... | 03/19/1991 |
| 4267671 | Positioning of an abrasive belt on a grinding machine A belt grinding machine wherein the belt is maintained at a selected position on the drive and idler pulleys and the drive and idler pulleys are supported from a column which is oscillated relative to the work piece holder. The drive pulley or contact whe... | 05/19/1981 |
| 4262455 | Head positioning for a belt grinder A grinding machine wherein the grinding head is positioned on the work piece at a selected pressure to prevent overloading of the drive motor. The head consists of two vertical slides supported on roundway roller bearings from a vertical column. The botto... | 04/21/1981 |
| 4257195 | Deburring and chamfering fixture A fixture for deburring or chamfering corner edges of a workpiece. The fixture has a base adapted to be mounted on the table of a sanding or grinding machine of the type having a motor driven belt or disc which travels in a plane perpendicular to the mach... | 03/24/1981 |
| 4241497 | P.C. Board lead trimming method A method and apparatus for trimming soldered printed circuit board component leads to a uniform finished height. The leads are pre-trimmed prior to soldering to an intermediate length long enough such that when inserted into the board the leads will posse... | 12/30/1980 |
| 4016683 | Turbine blade edge grinder A machine for resurfacing the leading edge portions of worn or cracked turbine blades and the like, comprising a machine bed, a power driven abrasive belt extending around multiple pulleys disposed above the bed, and a carriage movable over the bed in dir... | 04/12/1977 |
| 3988126 | Machine for resurfacing turbine vanes A resurfacing machine and method for repairing turbine vanes and the like, the machine comprising a bed carrying a pair of supports which are capable of limited advancing and retracting movement with respect to one another. One of the supports is slidably... | 10/26/1976 |
| 3969848 | Turbine blade air seal edge grinder A machine for refinishing edge portions of air seal flanges on the ends of turbine blades, comprising a bench or base, an abrasive belt carried by multiple pulleys mounted on the base, means for driving the belt, a contoured shoe carried by the base at a ... | 07/20/1976 |
