发明名称 Weld pin for insulation attachment
摘要 A resistance weld pin for securing insulation to duct interior is disclosed. A characterizing feature resides in the provision of a layer of heat activated adhesive on the under surface of the washer of the weld pin, which adhesive is melted in the course of forming a resistance weld and bonds to the surface of the insulation, defining an annular air seal surrounding the pin.
申请公布号 US4855562(A) 申请公布日期 1989.08.08
申请号 US19880258515 申请日期 1988.10.17
申请人 HINDEN, MILTON 发明人 HINDEN, MILTON
分类号 B23K35/02 主分类号 B23K35/02
代理机构 代理人
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