| 发明名称 |
Manufacture of tobacco smoke filters |
| 摘要 |
Apparatus and method are described for manufacturing a filter rod from a continuous multifilament filter tow which is treated with a smoke-modifying agent during the filter rod manufacturing process.
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| 申请公布号 |
US4549875(A) |
申请公布日期 |
1985.10.29 |
| 申请号 |
US19830500418 |
申请日期 |
1983.06.02 |
| 申请人 |
R. J. REYNOLDS TOBACCO CO. |
发明人 |
PRYOR, JAMES W. |
| 分类号 |
A24D3/02;A24D3/04;(IPC1-7):B31C13/00 |
主分类号 |
A24D3/02 |
| 代理机构 |
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