发明授权
- 专利标题： Curving method and apparatus for ridged sheet material
- 专利标题（中）： 弯曲材料的弯曲方法和装置
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申请号： US3664170D申请日： 1970-03-16
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公开(公告)号： US3664170A公开(公告)日： 1972-05-23
- 发明人: DAVIS PAUL K
- 申请人： PACIFIC ROLLER DIE CO INC
- 专利权人： Pacific Roller Die Co Inc
- 当前专利权人： Pacific Roller Die Co Inc
- 优先权： US1997470 1970-03-16
- 主分类号： B21D13/02
- IPC分类号： B21D13/02 ; B21D11/04
摘要：
Method and apparatus for forming ridged sheet material into arcuate shape. Sheet material having an elongated major ridge or corrugation extending along a line is curved along said line by progressive formation therealong of a series of corrugations or pleats directed substantially normal to said line.
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