发明授权
- 专利标题： Method of detecting holidays during dual extrusions
- 专利标题（中）： 在双重挤压期间检测假期的方法
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申请号： US3746575D申请日： 1971-07-21
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公开(公告)号： US3746575A公开(公告)日： 1973-07-17
- 发明人: ARNAUDIN E , CHRISTIANSEN W , HAZELETT R
- 申请人： ANACONDA WIRE & CABLE CO
- 专利权人： Anaconda Wire and Cable Co
- 当前专利权人： Anaconda Wire and Cable Co
- 优先权： US16454371 1971-07-21
- 主分类号： G01N21/952
- IPC分类号： G01N21/952 ; G01R31/02 ; G01N21/32 ; B44D1/18
摘要：
AN APPARATUS AND A METHOD FOR THE DETECTION OF HOLIDAYS IN THE WALL OF A COATING ON A CURVED ELONGATED SURFACE, SUCH AS THAT OF AN ELECTRICAL CONDUCTOR STRAND, EMPLOYS LIGHT-TRANSMITTING FIBERS, DISTRIBUTED AROUND THE STRAND, TO TRANSMIT BOTH THE ILLUMINATION AND THE REFLECTED LIGHT.
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