Vacuum processing of rod, wire or strip material
US3952568A · kind A · utility
10Cited by
4References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 4, 1974 |
| Grant date | Apr 27, 1976 |
| Priority date | — |
| Expiry date | Sep 4, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S29/044
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A seal permitting wire, rod or the like to be fed continuously into a vacuum treatment chamber comprises two die-shaped elements conforming to the peripheral shape of the wire, rod or the like in spaced holders with a tube sealed between the holders and a removable insert in the tube externally fitting closely within the tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.