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发明名称
气球中空造型法
摘要
气球中空造型法在于提出一种使其砂型厚实部位内,制成一个中空的造型方法,从而达到降低成本,提高工效和铸件质量的效果。而其成本极微,方法简单。
申请公布号
CN1094340A
申请公布日期
1994.11.02
申请号
CN93104783.8
申请日期
1993.04.24
申请人
喻荣法
发明人
喻荣法
分类号
B22C9/02
主分类号
B22C9/02
代理机构
代理人
主权项
在上下箱砂型厚实部位或坭芯壳内,放入大适宜的带内管的充气球(1),管口用内管塞(2)塞紧,在内管外套上1根外套管(3)露出砂箱或坭芯表面一公分以上,再把上下箱或坭芯壳型砂填满椿实后,将外套管(3)摇动一下,把内管塞(2)拔出,待气跑尽后,将汽球(1)从外套管(3)中取出,然后拔出外套管(3),最后将预先用纸团或砂团、白坭团做成的小眼填球(4)将外套管(3)孔堵塞,用型砂补平。
地址
213002江苏省常州红梅乡红菱村坛街35号
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