Heat insulator for hot isostatic pressing apparatus
US4620839A · kind A · utility
14Cited by
9References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1984 |
| Grant date | Nov 4, 1986 |
| Priority date | — |
| Expiry date | Sep 14, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A heat insulator for a hot isostatic pressing apparatus including a plurality of non-perforated graphite sheets; a plurality of perforated graphite sheets, each one of the plurality of perforated graphite sheets being sandwiched between and making at least substantially planar contact with, but not being bonded to, adjoining ones of the plurality of non-perforated graphite sheets; and a gas having an extremely low thermal conductivity substantially confined in the perforations in the plurality of perforated graphite sheets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.