| 发明名称 |
APPARATUS FOR MAKING GROOVES IN TOBACCO SMOKE FILTERS |
| 摘要 |
Cigarette filters having grooves therein are prepared by subjecting cigarette filters to a groove-making device which includes heated groove-making elements therein, the grooves being formed by the use of heat and pressure as the cigarette filters come in contact with the groove-making elements. |
| 申请公布号 |
ZA8103805(B) |
申请公布日期 |
1982.06.30 |
| 申请号 |
ZA19810003805 |
申请日期 |
1981.06.08 |
| 申请人 |
BROWN & WILLIAMSON TOBACCO |
发明人 |
SEXTONE JOHN H;LEWIS ROBERT T;MILLINER KEN |
| 分类号 |
A24D3/02;A24D3/04 |
主分类号 |
A24D3/02 |
| 代理机构 |
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代理人 |
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