发明授权
- 专利标题： Method of electric welding tinfree cans
- 专利标题（中）： 无锡罐焊接方法
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申请号： US150775申请日： 1980-05-19
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公开(公告)号： US4334138A公开(公告)日： 1982-06-08
- 发明人: Kenji Matsuno , Hiroyuki Funamoto
- 申请人： Kenji Matsuno , Hiroyuki Funamoto
- 申请人地址： JPX Tokyo
- 专利权人： Toyo Seikan Kaisha, Limited
- 当前专利权人： Toyo Seikan Kaisha, Limited
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX54-99479 19790806; JPX54-106696 19790823
- 主分类号： B23K11/06
- IPC分类号： B23K11/06 ; B23K11/30
摘要：
Disclosed are a method of and apparatus for making a welded metallic can body by effecting a mash resistance welding on a lapped side portion of a can body preform by means of a combination of a cooled elongated electrode and a cooled rotary electrode and, as required, with wire electrodes interposed between the lapped side portion and these electrodes. Also, disclosed are a tinfree steel welded can body and its making method wherein it is formed by a mash resistance welding on a lapped side portion of a can body preform made from tinfree steel, without requiring the removal of surface chromium film from the welded portion and its vicinity.
公开/授权文献
- US5949096A Field effect transistor with stabilized threshold voltage 公开/授权日：1999-09-07
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