| 发明名称 |
TOBACCO SMOKE FILTER |
| 摘要 |
The invention provides a method of producing a tobacco smoke filter or filter element comprising:
heat treating a continuously advancing longitudinally extending strand of material;cooling the heat treated continuously advancing strand; andforming a longitudinally extending outer layer of tobacco smoke filtering material around the continuously advancing strand, to form a continuously advancing rod comprising a longitudinally extending strand (1a) of material and a longitudinally extending outer layer (2a) of tobacco smoke filtering material engaged around the longitudinally extending strand (1a). An apparatus for carrying out the method, and products of the method, are also provided. |
| 申请公布号 |
US2015040931(A1) |
申请公布日期 |
2015.02.12 |
| 申请号 |
US201314377283 |
申请日期 |
2013.02.07 |
| 申请人 |
FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
发明人 |
Lisan Ahmad Fashihul;Widiarto Sudirman |
| 分类号 |
A24D3/02;A24D3/10;A24D3/04 |
主分类号 |
A24D3/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method of producing a tobacco smoke filter or filter element comprising:
heat treating a continuously advancing longitudinally extending strand of material; cooling the heat treated continuously advancing strand; and forming a longitudinally extending outer layer of tobacco smoke filtering material around the continuously advancing strand, to form a continuously advancing rod comprising a longitudinally extending strand of material and a longitudinally extending outer layer of tobacco smoke filtering material engaged around the longitudinally extending strand. |
| 地址 |
Novena Square SG |
