Heat treating apparatus
US5318633A · kind A · utility
17Cited by
4References
24Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 6, 1992 |
| Grant date | Jun 7, 1994 |
| Priority date | — |
| Expiry date | Mar 6, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D7/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A heat treating apparatus comprises a reaction tube for receiving a plurality of articles to be treated and a heating unit surrounding at least part of the reaction tube. The reaction tube comprises a first structural section, at least part of which is surrounded by the heating unit and a second structural section, at least part of which extends from the heating unit. The first structural section is made of material having thermal resistivity and thermal conductivity higher than the second structural section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.