发明名称 |
Method of making expandable member for forming seals and applying force |
摘要 |
An expandable member is disclosed that includes a molded body of elastomeric material with a core embedded therein. At least a portion of the core is not bonded to the body. A fluid conduit is provided through which fluid can be injected between the core and the unattached portion of the body to move the core and the unattached portion apart and expand the member.
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申请公布号 |
US4263237(A) |
申请公布日期 |
1981.04.21 |
申请号 |
US19780964300 |
申请日期 |
1978.11.28 |
申请人 |
WEEDEN, FRANK G.;FOSTER, R. DON |
发明人 |
WEEDEN, FRANK G.;FOSTER, R. DON |
分类号 |
B29C33/12;B29C43/02;B29C43/12;B29C43/18;B29C43/36;B29C70/70;B30B11/00;(IPC1-7):B29C1/02;B29C3/00;B29D3/00;B29H9/00 |
主分类号 |
B29C33/12 |
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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