发明授权
- 专利标题: Destructible core structure and method for using same
- 专利标题(中): 可破坏核心结构及其使用方法
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申请号: US395094申请日: 1982-07-06
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公开(公告)号: US4424183A公开(公告)日: 1984-01-03
- 发明人: Mark A. Nelson
- 申请人: Mark A. Nelson
- 申请人地址: CA Orange
- 专利权人: Baker International Corporation
- 当前专利权人: Baker International Corporation
- 当前专利权人地址: CA Orange
- 主分类号: B29C33/00
- IPC分类号: B29C33/00 ; B29C33/54 ; B29C39/34 ; B28B7/34
摘要:
A destructible core is formed from a frangible plastic shell filled with inert ballast. The core is used for forming complex cavities in the production of cast resin parts.
公开/授权文献
- US6014166A Stereoscopic photon tunneling microscope 公开/授权日:2000-01-11
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