发明名称 |
Dimensionally stable ply suitable for roofing webs or roof-sealing webs |
摘要 |
A polyester filament nonwoven ply is suitable for roofing and roof-sealing webs and has a latent shrinkage force which counteracts drafting forces which may subsequently occur as the result of stresses or during thermal processing operations. The roofing webs thus remain dimensionally stable even when exposed to heat. The shrinkage force is obtained according to the claimed process by drafting the ply accordingly in a drafting mechanism arranged after a dryer.
|
申请公布号 |
US7811950(B2) |
申请公布日期 |
2010.10.12 |
申请号 |
US20040577889 |
申请日期 |
2004.10.25 |
申请人 |
JOHNS MANVILLE |
发明人 |
GREISER WOLFGANG;SOUTHER ROGER;WEITER BERTRAND |
分类号 |
B32B27/04;B32B27/12;D04H3/00;D04H3/011;D04H3/08;D04H3/10;D04H3/105;D04H3/11;D04H3/12;D04H3/14;D04H3/16 |
主分类号 |
B32B27/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|