发明名称 |
Method and apparatus for working peripheral wall of hemispherical shell |
摘要 |
This invention relates to a method of forming a spherical surface of a hemispherical shell having projections on its inner and outer surfaces and an apparatus for working the hemispherical shell, which are particularly suitably applied to a large-scale spherical pressure resisting shell for forming a control chamber in an abyssal diving research vessel.
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申请公布号 |
US4617845(A) |
申请公布日期 |
1986.10.21 |
申请号 |
US19840593628 |
申请日期 |
1984.03.26 |
申请人 |
MITSUBISHI JUKOGIO KABUSHIKI KAISHA |
发明人 |
SASANO, RYOICHIRO;TOYOHARA, TSUTOMU;TAKIGAWA, TOSHIMICHI |
分类号 |
B23C3/00;B23B1/00;B23B5/00;B23B5/40;B23B29/034;B23C3/02;B23Q1/48;B23Q33/00;(IPC1-7):B23B1/00;B23B3/28 |
主分类号 |
B23C3/00 |
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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