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JPS5420070Y2 |
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JPS547508B2 |
A score having improved anti-fracture characteristics formed by a scoring punch including inclined sides merging at a flat bottom face. At least one of the sides is formed with a horizontal ledge parallel to the flat scoring face and loc...
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JPS5437058A |
PURPOSE: To produce a metal pipe having continuous grooves and projections on the inner surface with the smooth outer surafece by one process through drawing of a plug with grooves and projections from the pipe under the pressure of plur...
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JPS54461B2 |
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JPS542893A |
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JPS5352920Y2 |
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JPS5346190B2 |
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JPS53140270A |
PURPOSE: To provide a metallic plate with grooves on its both sides by forming grooves which have specific ratio of sectional areas of convex part and concave part.
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JPS53140268A |
PURPOSE: Tnesion leveler, being able to carry out a good shape control and improving the maintenance and operational property, by arranging zigzag in the order of each correction roll group of extension, local minute form, camber and pla...
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JPS5341634B2 |
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JPS5339340B2 |
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JPS5339730Y2 |
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JPS5334176B1 |
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JPS5333537B2 |
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JPS53104565A |
PURPOSE: To perform forming by rolling of grooves to a tubular body without producing cracking by letting a high tension wire applied with tension to the concave die in the tubular body by increasing the contact region.
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JPS5336998Y2 |
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JPS5327234B2 |
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JPS5396332U |
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JPS5385765A |
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JPS5383529U |
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JPS5381641U |
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JPS5323706Y2 |
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JPS5317546B2 |
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JPS5317545B2 |
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JPS5317544B2 |
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JPS5363504A |
A method of manufacturing a yoke for a dynamo electric machine wherein a transversely divided two-part mandrel is inserted into a hollow ferromagnetic sleeve of wall thickness and diameter equal to that of the required yoke. The mandrel ...
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JPS5346468A |
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JPS5346466A |
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JPS5314703Y2 |
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JPS5343072A |
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JPS5342168A |
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JPS5330966A |
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JPS5331037U |
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JPS5322859A |
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JPS534203Y2 |
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JPS533229Y2 |
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JPS536266A |
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JPS5252925Y2 |
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JPS52149142U |
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JPS52130466A |
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JPS5243181B2 |
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JPS5236866B2 |
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JPS5236990B2 |
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JPS5236512B2 |
A plate-form die is used in combination with a reciprocating roller, a strip of plate material being passed incrementally between the roller and die. The die includes a wedge shaped leading end portion to form a groove in the plate mater...
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JPS52110268A |
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JPS5234022B2 |
A process and a rolling mill for rolling thin plate by means of a tandem rolling mill characterized in that the diameter of either of the upper or the lower working rolls in optional rolling stands situated in the rear step of the tandem...
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JPS5297360A |
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JPS5297364A |
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JPS52101748U |
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JPS5223875B2 |
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