Fire rated door core
US10435941B2 · kind B2 · utility
1Cited by
235References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2016 |
| Grant date | Oct 8, 2019 |
| Priority date | — |
| Expiry date | Dec 17, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A core for a fire rated door includes a fire resistant center panel and an extruded fire resistant border. The fire resistant center panel has a bottom, a top, a first side, a second side, a first end and a second end. The fire resistant center panel is made of a first fire resistant material. The extruded fire resistant border is attached to the first side, the second side, the first end and the second end of the fire resistant center panel. The extruded fire resistant border is made of a second fire resistant material having a higher density than the first fire resistant material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.