Field adjustable seal
US4402422A · kind A · utility
2Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1981 |
| Grant date | Sep 6, 1983 |
| Priority date | — |
| Expiry date | Nov 10, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J13/02
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A seal joining a vacuum vessel head to a shell includes a flange on the head and a flange on the shell with a seal ring interposed therebetween. Spacers transfer the weight of the head and the vacuum load in the vessel to the seal ring. A sealing skirt attaches to the head flange and to the seal ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.