Joining accelerator for gas pressure welding of reinforcing bar for civil engineering and construction and gas pressure welding method using said accelerator
专利汇可以提供Joining accelerator for gas pressure welding of reinforcing bar for civil engineering and construction and gas pressure welding method using said accelerator专利检索，专利查询，专利分析的服务。并且PURPOSE:To perform safe gas pressure welding inexpensively, easily and quickly, by coating a joining accelerator consisting of pulverized coal, colophonium, methyl alcohol and sweetened ''MISO'' (soy bean paste) on the pressure welding surface of cleaned reinforcing bars, and pressure welding the bars under heating. CONSTITUTION:Colophonium is added to pulverized coal prepd. by grindng pine charcoal or charcoal equivalent to the same or an equivalent material, whereafter a suitable amt. of methyl alcohol and sweetened ''MISO'' (soy bean paste) are added to prepare a slurry-like viscous material having a suitable viscosity, whereby a joining accelerator for gas pressure welding of reinforcing bars for civil engineering and construction is obtained. The gas pressure welding by using said accelerator is accomplished by grinding away the rust, paint and other depositions from the pressure welding surfaces of the reinforcing bars for civil engineering and construction to be joined with a grinder or the like, finishing the same to approximately flat surfaces, then coating the above-mentioned accelerator on the respective pressure welding surfaces, exerting prescribed pressure in the axial direction of the reinforcing bars to be pressure welded, heating the butt parts, and forming a bulge of a suitable diameter in the pressure welded part thereby obtaining the joint part.，下面是Joining accelerator for gas pressure welding of reinforcing bar for civil engineering and construction and gas pressure welding method using said accelerator专利的具体信息内容。
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