发明名称 |
aparelho para fiação via fusão e sopro e método para a formação de um material produzido por fusão e sopro |
摘要 |
An apparatus for producing meltblown webs includes a meltblowing die having a plurality of filament outlets, a collector for receiving filaments of polymeric material expelled from the filament outlets, and a first Coanda effect device positioned adjacent to the path of the filaments adjacent to the last filament outlet at an end of the meltblowing die. Methods of forming meltblown webs using such an apparatus are also disclosed. |
申请公布号 |
BR112013025726(A2) |
申请公布日期 |
2016.12.13 |
申请号 |
BR20131125726 |
申请日期 |
2012.04.06 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
ANDREW W. CHEN;WILLIAM P. KLINZING |
分类号 |
D01D4/00;D04H1/724;D04H1/736 |
主分类号 |
D01D4/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|