Patent · US Expired

Production of glass or glass-ceramic to metal seals with the application of pressure

US4705585A · kind A · utility

17Cited by
9References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 4, 1985
Grant dateNov 10, 1987
Priority date
Expiry dateJan 4, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C27/02
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

In a process for preparing a glass or glass-ceramic to metal seal comprising contacting the glass with the metal and heat-treating the glass and metal under conditions whereby the glass to metal seal is effected and, optionally, the glass is converted to a glass-ceramic, an improvement comprises carrying out the heat-treating step using hot isostatic pressing.

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