公开(公告)号：US5782690A

公开(公告)日：1998-07-21

申请号：US872127

申请日：1997-06-06

申请人： Bradley Kent Gustafson ,  Robert Arthur Horr ,  David James Miller ,  Frederick Charles Ringer, Jr. ,  Conrad Wexelblatt

发明人： Bradley Kent Gustafson ,  Robert Arthur Horr ,  David James Miller ,  Frederick Charles Ringer, Jr. ,  Conrad Wexelblatt

IPC分类号： A62C2/18 ,  F05F15/20

CPC分类号： A62C2/18

摘要： A damper door system that includes an opening in a planar wall, a retractable damper door and a track extending through said opening. The damper door includes slots that are conformable to the track when the door is in a closed position. In addition, the slots in the damper door include an intumescent material for sealing the door shut in the event of a fire.

摘要翻译： 一种阻尼门系统，其包括在平面壁中的开口，可伸缩的阻尼器门和延伸穿过所述开口的轨道。 当门处于关闭位置时，阻尼器门包括与轨道相适应的槽。 此外，阻尼器门中的狭槽包括用于在发生火灾时密封门关闭的膨胀材料。