Process for producing a metal vacuum bottle
US4157779A · kind A · utility
22Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1978 |
| Grant date | Jun 12, 1979 |
| Priority date | — |
| Expiry date | Mar 31, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49879
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A process for producing a metal vacuum bottle composed of internal and external shells made of metal, said process comprising the steps of brazing the seamed portion formed between said two shells through a vacuum heating treatment for an assembly of the vacuum bottle accommodating a getter to be sealed therewithin, and of enhancing the vacuum degree between said shell by maintaining the temperature of activating the getter for a certain period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.