Patent · US Expired

Insulating glazing

US5643644A · kind A · utility

82Cited by
11References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 27, 1994
Grant dateJul 1, 1997
Priority date
Expiry dateSep 27, 2014

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B80/22
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The invention relates to a process for producing a vacuum in an insulating glazing composed of two glass sheets (2, 3) separated by pins (4). According to the invention, one of the glass sheets includes a hole (12) which is plugged by a softened ball after the vacuum has been achieved. The invention also relates to an insulating glazing whose glass sheets are separated by pins (4) and joined at their periphery by a sealing joint.

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