Door edge assembly for creating a smoke seal about a closed door mounted within a door frame
US6115976A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1999 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Sep 20, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B5/164
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An assembly for sealing a fire resistant door within a door frame during a fire event is provided. The fire resistant door has a plurality of edges. The assembly comprises a first body portion and a second body portion secured to the first body portion. An expansion mechanism between the first body portion and the second body portion for moving the second body portion in a direction generally away from the first body portion and against the door frame upon attaining a predetermined temperature with the first body portion, the second body portion, and the expansion means forming a door edge device wherein the door edge device is secured to at least one of the edges of the fire resistant door.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.