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2. 发明公开

KR1020070117178A 저탄소강 프로브용 내열보호관, 그 제조 방법 및 제조 장치 有权
标题翻译：用于低碳钢的探头的耐热保护管，一种制造它们的方法和装置
公开(公告)号：KR1020070117178A
公开(公告)日：2007-12-12
申请号：KR1020060051044
申请日：2006-06-07
申请人： 우진 일렉트로나이트(주)
发明人： 이만업 , 정학재 , 이교운
IPC分类号： C04B14/00
摘要： A heat-resistant protecting tube for a low carbon steel probe is provided to have excellent performances such as thermal shock resistance, heat resistance, corrosion resistance and strength, and be harmless to people. A heat-resistant protecting tube for a low carbon steel probe comprises 60-70wt% of diatomaceous earth as a primary material in inorganic powder, 10-20wt% of wollastonite as a secondary material in the inorganic powder, 2-10wt% of bentonite as an inorganic binder, and 2-10wt% of an aid consisting of at least any one selected from silica sols and hexametaphosphates. A method for manufacturing the heat-resistant protecting tube includes the steps of: mixing the materials with water, and stirring the mixture for a sufficient time to obtain a slurry; pressing the slurry on an outer circumference surface of a metallic core rod(60); taking out the extrusion-molded metallic core rod to remove moisture with hot blast or at ambient temperature.
摘要翻译：提供低碳钢探针的耐热保护管，具有耐热冲击性，耐热性，耐腐蚀性和强度等优异的性能，对人体无害。用于低碳钢探针的耐热保护管包括无机粉末中作为主要原料的硅藻土为60-70重量％，无机粉末中的20-20重量％的硅灰石作为辅助材料，2-10重量％的膨润土为无机粘合剂和2-10重量％的由至少任意一种选自二氧化硅溶胶和六偏磷酸盐的助剂组成的助剂。制造耐热保护管的方法包括以下步骤：将材料与水混合，并搅拌混合物足够的时间以获得浆料; 在所述金属芯棒（60）的外圆周表面上挤压所述浆料; 取出挤出成型的金属芯棒，以热风或环境温度除去水分。

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