Patent · US Expired

Coupling for stationary and movable vacuum chambers

US4258645A · kind A · utility

1Cited by
0References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 22, 1978
Grant dateMar 31, 1981
Priority date
Expiry dateNov 22, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/927
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Coupling valve for joining stationary and movable evacuatable chambers having confronting chamber walls displaced parallel with respect to each other. A first frame is fastened to one chamber wall and is joined by a resilient member to a second movable frame which can be brought into engagement with the other chamber wall. The movable frame is provided with at least one actuator by which it can be tightened against the confronting chamber wall.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.