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Hisatake

Hisatake Okumura, Fukuoka JP

Patent application numberDescriptionPublished
20100244335Apparatus and method for supporting continuous casting nozzle, sliding nozzle system and continuous casting nozzle - It is intended to provide a continuous-casting-nozzle support apparatus capable of enhancing sealing performance between a continuous casting nozzle and an SN device. The continuous-casting-nozzle support apparatus comprises: a holding mechanism 09-30-2010

Hisatake Okumura, Kitakyushu-Shi JP

Patent application numberDescriptionPublished
20090242592IMMERSION NOZZLE FOR CONTINUOUS CASTING - An immersion nozzle for continuous casting including a tubular body, the tubular body having at the upper end an inlet from which molten steel is introduced into a passage extending from the inlet downward inside the tubular body, the tubular body having a bottom and being depressed in cross section at least at a lower section, the lower section having two narrow sidewalls and two broad sidewalls, the narrow sidewalls having a pair of opposing first outlets communicating with the passage, the bottom having a pair of second outlets communicating with the passage. The lower section has ridges projecting into the passage respectively from the inner surfaces of the broad sidewalls between the pair of first outlets. The second outlets are arranged symmetrically about the axis of the tubular body such that the axes of the second outlets cross each other within the passage.10-01-2009

Hisatake Sano, Saitama-Prefecture JP

Patent application numberDescriptionPublished
20100189839IMPRINT MOLD - An imprint mold including a substrate of transparent material having a first principal surface having a pattern region and a second principal surface; a first light shielding film provided on the first principal surface, along a periphery of the pattern region; and a second light shielding film provided on the second principal surface, having an opening including an opposite region to the pattern region, a part of the second light shielding film opposite to the first light shielding film. In a cross section perpendicular to the substrate, the maximum incident angle of the light for curing a transfer layer to the second principal surface is less than an angle between a perpendicular line of the second principal surface and a line connecting an end of the second light shielding film on a side of the opening and a farthest end of the first light shielding film from the pattern region.07-29-2010