发明名称 |
Method of and apparatus for detecting defects of elastic-member joint portion |
摘要 |
A method of and an apparatus thereof for detecting defects of a joint portion of an elastic-member sheet of the present invention comprises grasping an elastic-member sheet having a joint portion so as to detect at least one face of the joint portion through use of an optical measuring apparatus. With the elastic-member sheet being extended by a given percentage, comparing and identifying of the displacement amount of the joint portion, represented by a detecting signal, with a predetermined reference value by an operation processing unit which receives the detecting signal of the measuring apparatus so as to automatically judge the defect of the joint portion.
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申请公布号 |
US4895029(A) |
申请公布日期 |
1990.01.23 |
申请号 |
US19890300930 |
申请日期 |
1989.01.24 |
申请人 |
SUMITOMO RUBBER INDUSTRIES, LTD. |
发明人 |
YAMADA, SEIKI;KUBOTA, AKINORI |
分类号 |
G01B11/30;B29C65/82;B29K21/00;G01N21/88 |
主分类号 |
G01B11/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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