发明名称 |
DREIDIMENSIONALE, PERFORIERTE PLASTIKFOLIE SOWIE MATRIZE ZUR HERSTELLUNG DERSELBEN |
摘要 |
The present invention relates to a film made of holed plastic material three-dimensionally shaped, having an upper surface presenting a multiplicity of opening extending in the form of through holes (303) in the direction of a lower surface of the same film; mutually adjacent through holes (303) being separated by segments (301) of film having a profile in the shape of a conic section as a cross section with symmetric sides (304, 305) converging towards the upper surface. |
申请公布号 |
DE69916058(D1) |
申请公布日期 |
2004.05.06 |
申请号 |
DE1999616058 |
申请日期 |
1999.10.19 |
申请人 |
TREDEGAR FILM PRODUCTS ITALIA S.R.L., S.GIOVANNI TEATINO |
发明人 |
IULIANETTI, LINO |
分类号 |
A61F5/44;A61F13/15;A61F13/511;B23P15/24;B26F1/26;C08J5/18 |
主分类号 |
A61F5/44 |
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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