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2. 发明授权

KR1019900003898B1 메소페이스 및 페놀수지를 결합재로하여 다용도 고체윤활제를 제조하는 방법 失效
标题翻译：多酚固体润滑油的制造方法作为MESOPHASE和酚醛树脂的粘合剂
公开(公告)号：KR1019900003898B1
公开(公告)日：1990-06-04
申请号：KR1019870001045
申请日：1987-02-09
申请人： 삼정강업주식회사
IPC分类号： C10M103/02
摘要： A solid lubricating oil is produced by (a) heating a mixt. of 30-40 wt.% mesophase pitch or phenol resin as a bonding agent, 47-67 wt.% natural graphite and 3-13 wt.% molybdenum as a reinforcing agent upto 250≦̸C at 3≦̸C/min heating velocity, (b) heating the mixt. upto 340≦̸C at 1≦̸C/min heating velocity and pressing the mixt at 5 Kg/Cm2, and (c) heating the mixt upto 370≦̸C at 0.5≦̸C/min heating velocity and pressing the mixt. at 30 Kg/Cm2.
摘要翻译：通过（a）加热混合物来生产固体润滑油。 30-40重量％的中间相沥青或酚树脂作为粘合剂，47-67重量％的天然石墨和3-13重量％的钼作为增强剂，最高可达250℃; C 3℃和3℃; C / min加热速度，（b）加热混合物。高达340＆nlE; C为1＆nlE; C / min加热速度并按5 Kg / Cm2压制混合物，（c）将混合物加热至370℃，加热速度为0.5＆nlE;加速速度为C / min，压制。在30Kg / cm 2。

5. 发明授权

KR1019890004857B1 고장력 포장용 대강및 그 제조방법 失效
标题翻译：用于包装的高强度条和方法
公开(公告)号：KR1019890004857B1
公开(公告)日：1989-11-30
申请号：KR1019860000187
申请日：1986-01-15
申请人： 삼정강업주식회사
发明人： 최진웅
IPC分类号： C21D9/46
摘要： A method for manufacturing the high strength steel strip for packaging comprises pickling the carbon steel, whose non-ferrous composition is 0.20-0.35% C, 0.50-0.80% Mn, less than 0.15% Si, less than 0.040% P, and less than 0.050% S, by immersing into 5-12% H2SO4 solution for 5-15 min., neutralising with NaoH solution after water washing, drying completely, forming oxide film in lead bath, and colouring continuously the cold rolled and cutted steel strip. The treatment temperature and speed are respectively 430-470≦̸C and 40-50 m/min. The mechanical properties of the steel are 85 Kg/mm2 tensile strength, 7% elongation and Hv265 hardness.
摘要翻译：制造用于包装的高强度钢带的方法包括酸洗碳钢，其有色成分为0.20-0.35％C，0.50-0.80％Mn，小于0.15％Si，小于0.040％P，小于 0.050％S，浸入5-12％H 2 SO 4溶液中5-15分钟，水洗后用NaoH溶液中和，完全干燥，在铅浴中形成氧化膜，连续着色冷轧和切割钢带。处理温度和速度分别为430-470℃，℃和40-50m / min。钢的机械性能为85Kg / mm2拉伸强度，7％伸长率和Hv265硬度。

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