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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7207250 | Process and device for moving and positioning sheets of glass In a system for cutting glass sheets into shapes there is at least one cutting site (A, B). In order to align the glass sheet which is to be cut or the glass sheet shape into a defined position, on the edge of the tables I and II there are contact edges (21, 44, ... | 04/24/2007 |
| 7176410 | Method of welding motor vehicle elements, in particular tailored blanks An electric-arc welding process for assembling parts that are components of a motor vehicle, in which a consumable wire is used that is subjected to a cyclic mechanical movement. The wire is moved closer to and then further away from the parts to be welded so as to ... | 02/13/2007 |
| 6617845 | Proximity sensor resistant to environmental effects A housing for a proximity sensor is resistant to harsh environmental effects, such as scorching particles due to sputtering in a welding environment. The sensor housing is formed of a material having a high thermal conductivity, such as copper or an alloy... | 09/09/2003 |
| 6441339 | Apparatus for manufacturing circuit modules A manufacturing method of circuit modules comprising steps of melting a solder on a land by an energy of irradiating laser beam, and pressing an external electrode of an electronic component to a melted solder before the melted solder hardens. This method... | 08/27/2002 |
| 5160821 | Mounting apparatus for a cutting torch An apparatus for mounting a cutting torch to a shape cutting machine is disclosed, and which incorporates a control system for signaling the machine in the event the torch contacts an obstruction during either vertical or lateral movement of the torch by ... | 11/03/1992 |
| 4523287 | Method for extrapolating a path of a robot and apparatus therefor A method of and apparatus for controlling the path of an industrial robot, in which a slight change in the shape of the work or the position of the work relatively to the robot, if any, can be detected by a position detection arrangement capable of detect... | 06/11/1985 |
| 4188521 | Apparatus for welding an end plug in a nuclear fuel tube Apparatus for precisely positioning the seam on an end of a nuclear reactor fuel rod opposite from a welding electrode in a weld chamber. The circumferential seam is formed by abutting surfaces at the end plug-fuel tube interface, and it is important that... | 02/12/1980 |
| 4127258 | Machine for gas-cutting of metals Disclosure is made of a machine in which, according to the invention, a tool carriage is mounted on the crossbeam for rotation in a plane perpendicular to the axis of the crossbeam. A rod rigidly coupled with a cutting torch is mounted on the tool carriag... | 11/28/1978 |
| 4110596 | Apparatus for transporting and collecting self-propelled welding carriages The apparatus for transporting and collecting self-propelled carriages for carrying out fillet welding of a construction in the rectangular form has carriages adapted to move along rails extending in the longitudinal direction which rails are in turn mova... | 08/29/1978 |
| 4088890 | Optical position detector An optical position detector is provided for optically locating a seam between two abutting parts having reflective surfaces and features means for producing a continuous laser beam having a predetermined focus spot for scanning the workpiece and a photod... | 05/09/1978 |
