Fireproofing
US5950376A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | May 28, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/94
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A fire proofing assembly with friction sliding surfaces to accommodate wide horizontal seismic isolator movements placed around seismic isolators and in partitions at the perimeter of isolation spaces. Heat reflecting, insulating and intumescent layers may be interposed at friction surfaces. Normal force to friction may be maintained by spring. Temporary, partial dissembling arrangement provided for isolation bearing inspection. Elastomeric curtain may be provided for fire hose test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.