发明名称 |
METHOD OF MANUFACTURING FORMING BELLOWS |
摘要 |
Disclosed is a method for manufacturing forming bellows. The present invention includes: a primary pre-forming step in which a cylindrical metal plate is primarily pre-formed by a wide block-shaped mold having more than one wavelike groove and without any straight line; a step for vertically compressing the primarily pre-formed bellows; and a step for removing the weight from the compressed forming bellows. |
申请公布号 |
KR20140054649(A) |
申请公布日期 |
2014.05.09 |
申请号 |
KR20120120386 |
申请日期 |
2012.10.29 |
申请人 |
CHUNGBUK NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION |
发明人 |
CHO, HAE YONG |
分类号 |
B21D15/02;B21D51/12 |
主分类号 |
B21D15/02 |
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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