| 发明名称 | Sound insulation | ||
| 摘要 | A sound insulation device (D) includes at least three layers: a first layer (1), facing a sound source to be blocked, comprising a blackout cloth with a weight greater than 250 g/m2,a second layer (2) including a metalized cloth, a metalized face (2a) of the cloth being disposed in contact with the first layer,a third layer (3) including a brushed cotton cloth having a weight greater than 250 g/m2, disposed in contact with the second layer (2) on the side opposite the first layer (1),;the metalized cloth being produced by in vacuo metallization of a woven substrate previously calendered by the application of a compression force. | ||
| 申请公布号 | US9475260(B2) | 申请公布日期 | 2016.10.25 |
| 申请号 | US201313755572 | 申请日期 | 2013.01.31 |
| 申请人 | BRUNSWICK ET FILS | 发明人 | Brunswick Jean-Claude |
| 分类号 | B32B7/02;G10K11/168;B32B5/26;B32B5/02;D06M11/83;D06M17/00;E04B1/84;E04B1/76 | 主分类号 | B32B7/02 |
| 代理机构 | The Belles Group, P.C. | 代理人 | The Belles Group, P.C. |
| 主权项 | 1. A sound insulation device (D), which includes at least three layers: a first layer, facing a sound source to be blocked, comprising a first blackout cloth with a weight greater than 250 g/m2, wherein the first blackout cloth consists of a first woven material, a second layer including a metalized cloth, a metalized face of the cloth being disposed in contact with the first layer, a third layer comprising a second blackout cloth having a weight greater than 250 g/m2, disposed in contact with the second layer on the side opposite the first layer, the metalized cloth being produced by in vacuo metallization of a woven substrate previously calendered by the application of a compression force. | ||
| 地址 | FR | ||