发明名称 |
VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG PERFORIERTER FILTERELEMENTE |
摘要 |
<p>This invention relates to a method and apparatus for perforating the walls of an assembled filter element used on smoking products including a continuously moving conveying means for receiving a plurality of said filter elements and means for retaining said assembled filter elements on said conveying means, a plurality of piercing elements positioned at right angles to the direction of movement of said assembled filter elements, and a means for manipulating the piercing elements so that it penetrates and withdraws from the walls of the filter element.</p> |
申请公布号 |
DE2851969(A1) |
申请公布日期 |
1979.06.13 |
申请号 |
DE19782851969 |
申请日期 |
1978.12.01 |
申请人 |
R.J. REYNOLDS TOBACCO CO. |
发明人 |
ELMER PAYNE,LESLIE |
分类号 |
A24D3/02;A24C5/60;(IPC1-7):24C5/46;24C5/48 |
主分类号 |
A24D3/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|