Method and apparatus for hot isostatic pressing
US4582681A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1982 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Oct 21, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B3/006
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A hot isostatic pressing system including a hot isostatic pressing station having a high pressure container constituted by a vertical pressure-resistant cylinder closed at the top end thereof and a lower lid detachably fitted to the bottom of the pressure resistant cylinder and a treating chamber internally provided with a heater and enclosed by a heat insulating wall, and a mechanism for adjusting an atmospheric gas pressure and temperature of the pressing station into a condition suitable for the hot isostatic pressing of a work item accommodated in the treating chamber; a plurality of auxiliary stations each provided with an opening for receiving from beneath thereof the heat insulating wall of the treating chamber accommodating the internal heater and a work item, a support structure for supporting the heat insulating wall, and a mechanism for cooling the work item and internal heater in an inert gas atmosphere; a carriage for transferring the lower lid and work item or the lower lid, work item, heat insulating wall and internal heater between the hot isostatic pressing station and one of the auxiliary stations; and a lift mechanism for lifting up and down the lower lid and wor…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.