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    • 7. 发明专利
    • Titanium welded pipe for fretting fatigue resistant member, and method for manufacturing the same
    • 用于防冻耐热构件的钛管焊接管及其制造方法
    • JP2011251340A
    • 2011-12-15
    • JP2011140699
    • 2011-06-24
    • Nippon Steel Corp新日本製鐵株式会社
    • TAKAHASHI KAZUHIROHAYASHI TERUHIKOHIROTA MICHIHISAKAWAKAMI SATORU
    • B23K9/23B23K9/025B23K9/167B23K9/235B23K10/02B23K26/20B23K26/32B23K103/14C22C14/00C22F1/00C22F1/18F16L9/00
    • PROBLEM TO BE SOLVED: To provide a titanium welded pipe for a fretting fatigue member which can improve fatigue properties while maintaining formability of welded parts and can suppress the occurrence of fretting fatigue that occurs on the surface of a base metal, and to provide a method for manufacturing the same.SOLUTION: The titanium welded pipe for the fretting fatigue resistant member has a higher nitrogen concentration by 0.003 to 0.030% by mass in the interior portion of the welded part than that in the interior part of the base metal, and has titanium nitride on the surface of the base metal on which a surface layer remains being unremoved after cold rolling. The method for manufacturing the titanium welded pipe includes: heating a titanium sheet or strip which is used in pipe-making and has the surface layer remaining unremoved after cold rolling, in a nitrogen gas atmosphere for nitriding heat treatment to perform predetermined nitriding; forming the sheet or strip into a tubular shape; shielding the abutted portion with an argon gas; and performing welding without use of a hot charge. The welded pipe may be heated in a nitrogen gas atmosphere or an oxidation atmosphere for light nitriding or light oxidation.
    • 要解决的问题:提供一种用于微动疲劳部件的钛焊管,其能够在保持焊接部件的成形性的同时提高疲劳特性,并且可以抑制在贱金属的表面上发生的微动疲劳的发生,并且 提供其制造方法。 解决方案:用于微动疲劳部件的钛焊管在焊接部分的内部部分中的氮浓度高于贱金属内部部分的氮浓度高0.003〜0.030质量%,并且具有氮化钛 在表面层残留的贱金属表面在冷轧之后不被去除。 制造钛焊管的方法包括:在用于氮化氮处理的氮气气氛中加热用于制管的钛片或带材,并且在氮化气体中冷轧后保持未被除去的表面层,进行预定的氮化处理; 将所述片或条形成为管状; 用氩气屏蔽邻接部分; 并且不使用热电荷进行焊接。 焊管可以在氮气气氛或氧化气氛中进行加热,用于轻微氮化或轻微氧化。 版权所有(C)2012,JPO&INPIT
    • 10. 发明专利
    • Waste removal system
    • 废物清除系统
    • JP2009002153A
    • 2009-01-08
    • JP2008212704
    • 2008-08-21
    • Caroma Industries Ltdカロマ・インダストリイズ・リミテッドCaroma Industries Limited
    • CUMMINGS STEPHEN JOHN
    • E03D11/02E03C1/12E03D1/00E03D1/26E03D11/08E03D11/13E03D11/18F16L9/00F16L41/02F16L41/03
    • E03D11/02E03C1/122E03D1/003E03D1/26E03D11/08E03D11/18E03D2201/30E03D2201/40F16L9/006F16L41/021F16L41/03
    • PROBLEM TO BE SOLVED: To provide a flush toilet bowl system capable of discharging waste water with a smaller amount of flushing water.
      SOLUTION: In this waste removable system, a water supply manifold 40 comprising a tertiary outlet nozzle having a main outlet nozzle 42, a secondary outlet nozzle, and a large number of holes 48 is formed at the upper edge of the bowl part of a toilet bowl 28 for concentrating the flushing water to an arresting part 51. A changing part 58c having a generally halved cross sectional area is formed on the inlet side of the arresting part 51 of the toilet bowl 22 for increasing the speed of the flushing water passing through the arresting part. The cross sectional shape of the drain pipe connected to the downstream side of a flushing outlet 50 is oval in which the ratio of the height to width is 1.4 to 1-1.5 to 1 and the ratio of the upper part radius to the lower part radius is 3 to 1. Consequently, excreta can be surely flushed even if the flow of water is small or large.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够用较少冲洗水排出废水的冲水马桶系统。 解决方案:在这种废弃可移除系统中,在碗形部分的上边缘处形成一个包括具有主出口喷嘴42,第二出口喷嘴和大量孔48的三次出口喷嘴的供水歧管40 用于将冲洗水集中到止动部分51的马桶28.在马桶盆22的止动部分51的入口侧上形成具有大体上减半的横截面面积的变化部分58c,以提高冲洗速度 水通过逮捕部分。 连接到冲洗出口50的下游侧的排水管的横截面形状是椭圆形,其中高度与宽度之比为1.4至1-1.5至1,上部半径与下半径的比率 是3比1.因此,即使水的流量小或大,排泄物也可以被清洗。 版权所有(C)2009,JPO&INPIT