Patent · US Active

Transparent laminate which inhibits puncture by projectiles

US9656913B2 · kind B2 · utility

0Cited by

4References

25Claims

0Family size

Assignee

Schott AG · DE

Inventors

Ina Mitra · Stadecken-Elsheim, DE
Andreas Langsdorf · Ingelheim am Rhein, DE
Christoph Gross · Scheinfeld, DE
Ulrike Stoehr · Mainz, DE
Kurt Schaupert · Hofheim, DE

Key dates

Filing date	Sep 6, 2013
Grant date	May 23, 2017
Priority date	—
Expiry date	Aug 25, 2034

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/315
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

A transparent laminate is provided that includes at least one chemically prestressed pane having a thickness, a compressive stress (CS) of a surface layer, a thickness of the prestressed surface layer and a tensile stress (CT) of an interior portion. The tensile stress (CT) is greater than 0 and is less than the compressive stress divided by 50.

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