| 发明名称 |
Packaging material made of electret material and packaging method |
| 摘要 |
A packaging material according to the present invention includes an electret material having a surface part mutually different polarized electric charges on a front surface and a rear surface thereof. A method of packaging according to the present invention includes covering at least a portion of an object using the packaging material.
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| 申请公布号 |
US5266369(A) |
申请公布日期 |
1993.11.30 |
| 申请号 |
US19920939972 |
申请日期 |
1992.09.04 |
| 申请人 |
TORAY INDUSTRIES, INC. |
发明人 |
ANDO, KATSUTOSHI;OGAWA, KATSUYA;NISHIURA, EIICHI;OKUMURA, YOSHIHARU;II, YOSHIKAZU |
| 分类号 |
B65D65/38;B65D81/24;(IPC1-7):B32B33/00 |
主分类号 |
B65D65/38 |
| 代理机构 |
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| 地址 |
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