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Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 6946221 | Square battery container, method of manufacturing the container, and square battery using the container A prismatic battery case with high dimensional precision is manufactured, while pursuing an improvement in productivity, with a manufacturing method of a prismatic battery case that includes a first step for molding an intermediate cup body (8) by impact mold... | 09/20/2005 |
| 6145361 | Apparatus and method for production of balls by a rolling operation A process and apparatus for producing metal balls from a cylindrical strand material, with two rolling jaws which are displaceable relative to one another and of which each forms a shaping groove which extends in a direction of displacement, wherein the j... | 11/14/2000 |
| 5860305 | Pipe cutter with dual outer cutting knives and method A pipe cutter having dual outer knives and a method of using the same is disclosed. The outer knives are mounted on knife positioners capable of swinging the outer knives into a pipe in an arc to overlap with a knife positioned inside the pipe. The method... | 01/19/1999 |
| 5609055 | Method and apparatus for cutting and notching a hollow pipe An apparatus for simultaneously cutting and notching a pipe includes an upper knife assembly having a pipe cutting knife and notch cutting knives with cutting edges adjacent a surface of the pipe and a lower knife assembly having a pipe cutting knife and ... | 03/11/1997 |
| 5209094 | Chamfer and stamp machine A machine combines metal rod chamfering and stamping operations into a single machining operation. Cutting the chamfer on the end of the rod is accomplished by a rotating cutting tool affixed to a chuck which rotates with a spindle about an axis co-linear... | 05/11/1993 |
| 4571971 | Rod cutting and threading machine A machine for cutting and threading bicycle spokes (11) comprising a cradle (15) for receiving a spoke, a cutter mechanism (17) positioned to intersect and cut off the spoke at a predetermined point, and a thread rolling apparatus (56) positioned adjacent... | 02/25/1986 |
| 4414835 | Flange forming drill apparatus Flange forming drill apparatus for producing a flanged hole in a workpiece such as the side of a pipe or the like includes a body supporting a rotating drill rod and legs for supporting the body to move toward and away from the workpiece. A drill bit is p... | 11/15/1983 |
| 4091647 | Machine for chisel forming the teeth on parts of revolution, and in particular wheels of cigarette lighters or the like Disclosed is a machine for chisel forming the teeth on parts of revolution, and in particular wheels of cigarette lighters or the like, comprising a programmer whose drum is rotated permanently by a first linkage engaged with the drive shaft of the machin... | 05/30/1978 |
| 4079614 | Method and apparatus for flanging a length of spirally wound corrugated pipe Disclosed herein is an assembly for forming a radial end flange upon a length of spirally wound corrugated metal pipe. The assembly includes a head stock having a pair of rotatably driven rollers for turning the length of pipe to be flanged and initiating... | 03/21/1978 |