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JP54149362 |
PURPOSE: To form the curved section uniformly using an inexpensive filler, to improve the workability and product quality, and to reduce the cost, at the cold bending work for the metallic pipe, by filling the body of the metallic pipe w...
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JP54149363 |
PURPOSE: To facilitate the work and to improve the accuracy, at forming the concave groove at the nozzle part of the bottle to be blow molded, by employing the blow pin and the blow mold which are respectively held at specified temperatu...
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JP54010265 |
PURPOSE: To manufacture a bent pipe whose sectional shape has approximately perfect roundness at any section, by heating and pressing the straight pipe made of sintered hard alloy in which the powder refractory is filled up, using a jig ...
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JP53146254 |
PURPOSE: To make possible the quick stable formation of the bend pipe, by arranging the forming groove only at a portion of the outer surface of the roller die necessary for forming the bend pipe, and by making other portion into a round...
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JP53142964 |
PURPOSE: To apply the cold work to the pipe which is given with a variation in its wall thickness at a required section, by loading a force inthe axial direction while loading a force to the inner plane of the workpiece in the direction ...
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JP52125254 |
PURPOSE: To eliminate the residue of filling material and occurence of flawn and to reduce the pressign force at machining, by adopting manufacturing method for the bent waveguide that choking one end of extruded waveguide, pouring resin...
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JP52045951 |
PURPOSE: To provice a seam line detecting device, in which a claw member made rotatable along the inner perphery of a seam welding pipe is provided to make it possible to detect the seam line in a predetermined position automatically by ...
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