Cylindrical furnace for treating materials at high temperatures and pressures
US4325694A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 24, 1980 |
| Grant date | Apr 20, 1982 |
| Priority date | — |
| Expiry date | Nov 24, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB22F2003/153
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A furnace for isostatic hot pressing includes a furnace compartment contained within a pressure chamber, the compartment being surrounded by a insulating sheath, comprising a cup-shaped insulating portion. Such portion comprises a supporting tube of graphite surrounded by a plurality of layers of carbon or of graphite fibers. Convection-preventing layers of graphite foils are disposed between the layers and between the innermost layer and the tube. The layers are maintained pressured against the tube and against one another by a plurality of surrounding graphite strands. A plurality of cover discs of foamed graphite having graphite foils on one side thereof are seated against upper ends of the layers and of the tube, the foils on the discs extending upwardly to lie against the peripheral end walls of the discs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.