Patent · US Expired

Apparatus to reduce the sagging of the outside walls of vacuum tanks

US5228917A · kind A · utility

5Cited by

3References

12Claims

0Family size

Assignee

Leybold GmBH · DE

Inventors

Anton Pawlakowitsch · Alzenau, DE
Bernhard Schonherr · Offenbach am Main, DE

Key dates

Filing date	Nov 26, 1991
Grant date	Jul 20, 1993
Priority date	—
Expiry date	Nov 26, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC23C14/562
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Apparatus for reducing the sagging of essentially planar outside walls (3, 13) on a vacuum tank (1) under operating conditions, and for preventing displacements, resulting therefrom, of components fastened to these outside walls (3, 13), such as rollers (7, 8) of a winding apparatus (2) which is movable with respect to the vacuum tank (1) in a vacuum tape coating apparatus, wherein spacers (12, 14) are provided between two opposite outside walls (3, 13).

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