Firebox refractory floor
US4285327A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 1979 |
| Grant date | Aug 25, 1981 |
| Priority date | — |
| Expiry date | Jan 4, 1999 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24B13/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A refractory floor for the firebox of a heating unit including front, side and rear vertical portions with top surfaces inclined towards the respective wall. The rear and side vertical portions exceed the height of a grate or andirons positioned on the refractory floor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.