发明名称 |
Retention means for dental impression trays |
摘要 |
A dental impression tray is provided with mold compound retention means comprising a multilayer sheet having a thin, central layer of a plastic film, a layer of a selected adhesive applied on each surface of the film respectively, and a peel-away disposable foil cover on each layer of adhesive.
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申请公布号 |
US5108286(A) |
申请公布日期 |
1992.04.28 |
申请号 |
US19910652517 |
申请日期 |
1991.02.08 |
申请人 |
FREEDMAN, RICHARD S.;PIERRE, ROGER |
发明人 |
FREEDMAN, RICHARD S.;PIERRE, ROGER |
分类号 |
A61C9/00 |
主分类号 |
A61C9/00 |
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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