Patent · US Expired

Multilayer edge sealed record carrier

US4278722A · kind A · utility

4Cited by

9References

2Claims

0Family size

Assignee

GAO Gesellschaft für Automation und organisation mbH · DE

Inventors

Joachim Hoppe · Munich, DE
Yahya Haghiri-Tehrani · Munich, DE
Wolfgang Gauch · Otterfing, DE

Key dates

Filing date	Jan 10, 1979
Grant date	Jul 14, 1981
Priority date	—
Expiry date	Jan 10, 1999

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24777
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A record carrier including an information-containing layer in the form of a composite insert comprising at least one paper insert and a film border. The composite insert is printed, without interruption, on both the paper insert and the film border in at least one printing operation. Transparent films on both surfaces of the composite insert seal the latter therebetween and form a paper-film laminate with each paper insert and film-film seals with the film border.

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