Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7253380 | Induction heating of rail welds An apparatus (10) and method for preheating welds uses a centered induction plate (12) having preferably a plurality of induction coils (30, 32) to impart the generation of heat in the materials to be welded (14), being interactively cont... | 08/07/2007 |
| 7238916 | Robotic welding cell unit A portable welding cell unit includes a frame structure in which first and second welding stations are disposed. A robot arm is also provided within the frame. The robot arm can pivot between the first and second welding stations such that a work piece can be welded... | 07/03/2007 |
| 7123990 | Gap welding process A gap welding process (10) for manipulating a movable robotic welder (30) for making a weld between two or more substantially immovable work pieces (51) using a higher level programming language (20). The gap welding process (10) p... | 10/17/2006 |
| 7038159 | System and method for electroslag welding an expansion joint rail A system for butt welding expansion joint rails with an electroslag welding system. The electroslag welding system for butt welding the expansion joint rails comprises a control system. The method for butt welding the two expansion joint rails with the electroslag w... | 05/02/2006 |
| 7032814 | Coded welding consumable Information pertaining to characteristics of consumables such as metal welding electrode wire and shielding gas and which characteristics are useful in connection with adjusting welding parameters in an arc welding process and/or selecting between operating modes in... | 04/25/2006 |
| 6886470 | Rail welderhead shear apparatus A flash butt rail welding welderhead combines in a single unit, the ability for the three functions of rail pulling, flash butt forging and maintaining the “after forged” displacement without any change in platen position such that shearing may be accomplished i... | 05/03/2005 |
| 6787726 | Rail welding apparatus incorporating rail restraining device, weld containment device, and weld delivery unit A rail restraining, robotic welding and weld delivery device uses a frame for supporting a welding head with a clamp for restraining a first rail end and a second rail end and a base twist assembly for aligning said first end and second end. An interconnected weld c... | 09/07/2004 |
| 6708877 | Coded and electronically tagged welding wire Information pertaining to characteristics of metal welding electrode wire and which characteristics are useful in connection with adjusting welding parameters in an arc welding process and/or selecting between operating modes in a welding system are encoded on weldi... | 03/23/2004 |
| 6570118 | Arc welding system and a process therefor An electric arc welding robot for welding a zone of a rail or the like comprises a movable, electric arc torch unit for operating the welding, first controlling means for controlling a first displacement of the torch unit substantially in front of the per... | 05/27/2003 |
| 6536660 | Inventory of consumables in electric arc welding process Information pertaining to characteristics of metal welding electrode wire and which characteristics are useful in connection with adjusting welding parameters in an arc welding process and/or selecting between operating modes in a welding system are encod... | 03/25/2003 |
| 6407364 | Method and system for welding railroad rails A method and system of depositing molten metal from an advancing welding wire to form a root pass of weld metal in the bottom of a gap between first and second metal members having generally flat base elements joined by a metal backing plate extending bet... | 06/18/2002 |
| 6396020 | Rail welding apparatus incorporating rail restraining device, weld containment device and weld delivery unit A rail restraining (1) and weld delivery device (100) uses a frame for supporting a welding head with a clamp (3) for restraining a first rail end and a second rail end and a base twist assembly (17) for aligning said first end and second end. An intercon... | 05/28/2002 |
| 6278074 | Method and system for welding railroad rails A method and system for automatically filing the narrow gap between facing end walls of adjacent first and second railway rails by depositing vertically spaced layers of molten metal in the gap with an electric arc welding torch using a robotic mechanism ... | 08/21/2001 |
| 6207920 | Method and system for welding railroad rails A method of gas shielded arc welding steel rails spaced from each other to define a longitudinal gap therebetween comprises the steps of providing an elongated steel barrier plate across the gap at the bottom of the spaced rails, and filling the gap above... | 03/27/2001 |
| 6201216 | Method and system for welding railroad rails A method and system of depositing molten metal from an advancing welding wire to form a root pass of weld metal in the bottom of a gap between first and second metal members having generally flat base elements joined by a metal backing plate extending bet... | 03/13/2001 |
| 6166347 | Method and system for welding steel rails A method for gas shielded arc welding steel rails spaced from each other to define a transverse gap comprising the steps of positioning an elongated steel barrier plate in the gap at the bottom of the spaced rails and filling the gap above the barrier pla... | 12/26/2000 |
| 6069333 | Method and system for welding railroad rails A method of gas shielded arc welding steel railroad rails spaced from each other to define a longitudinal gap comprises the steps of providing an elongated steel barrier plate across the gap at the bottom of the spaced rails, and filling gap above the bar... | 05/30/2000 |
| 5877468 | Method and system for welding railroad rails A method of gas shielded arc welding steel railroad rails spaced from each other to define a transverse gap, which method comprising the steps of providing an elongated steel barrier plate wedged into said gap at the bottom of the spaced rails and filling... | 03/02/1999 |
| 5773779 | Method and system for welding railroad rails Methods are disclosed for gas shielded arc welding steel railroad rails spaced from each other to define a transverse gap, one of which methods comprises the steps of providing an elongated steel barrier plate wedged into the gap at the bottom of the spac... | 06/30/1998 |
| 5605283 | Weld joint between two rails arranged behind each other along a rail track Two rail sections are joined by a weld joint (5) between two rails (1,2) arranged one behind another in a lengthwise direction of a rail track (4) and a method for the production of this weld joint (5). The frontal ends (6,7) of the rails (1,2) which are ... | 02/25/1997 |
| 5304777 | Method of connecting a manganese steel part to another carbon steel part and assembly thus obtained A method of connecting a manganese steel part to another carbon steel part including the steps of depositing an austeno-ferritic stainless steel at the end of a carbon steel part and welding the latter provided at its end with the deposit to a manganese s... | 04/19/1994 |
| 5175405 | Method of automatically welding rails In a method of automatically welding rails, welding of bottom portions of the rails is carried out as root pass welding of a first layer according to CO2 gas shielded arc weld technique, and as continuous multilayer welding of layers above the ... | 12/29/1992 |
| 5064575 | Method and device for the loading and sealing of a double container system for the storage of radioactive material and a seal for the double container system A container for a radioactive material in which the cover is welded to the container by a dual weld disposed in a welding gap between the cover and the container wall, the gap having a bottom formed by opposed flanges on the cover and the wall. The root l... | 11/12/1991 |
| 4983801 | Rail tensioning apparatus An apparatus for tensioning or longitudinally sliding a rail of a laid track to reduce a gap between adjacent ends of longitudinally successive rail sections to be welded together to form the rail, the fastening elements of the longitudinally successive r... | 01/08/1991 |
| 4976912 | Apparatus for sealing a container for the storage of radioactive material Apparatus for welding and testing a weld on a cover for a container for radioactive material. Two carriages are mounted on a bridge extending across and above the container. Gas shielded arc welders are mounted on the carriages. The carriages move across ... | 12/11/1990 |
| 4686341 | Gas shield chamber for arc welding of rails A gas shield chamber for enclosing a welding joint of a pair of rails during the arc welding of the welding joint. A pair of side backing plates are each held in contact with the groove at one side of the rails within the chamber and the side backing plat... | 08/11/1987 |
