Laminated glass

Details Laminated glass Laminated glass

1998-06-25

1999-10-26

Speer, Timothy

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

Surface modified glass

428212, 428213, 428220, 428426, 428428, 496 841, B32B 1700

Patent

active

059725133

ABSTRACT:
The present invention provides a laminated glass. Each single glass sheet has a thickness of 1.5 to 3.2 mm and is subjected to a bending process. At least one of the glass sheets is a semi-tempered glass sheet, which is also called a heat-strengthened glass sheet. The heat-strengthened glass sheet has a plane residual stress distribution where the plane residual stress is a compressive stress at an edge of a peripheral portion of the glass sheet. The plane residual stress changes monotonically from the compressive stress at the edge of the peripheral portion to a tensile stress in a central portion of the glass sheet substantially throughout the peripheral portion of the single glass sheet.

REFERENCES:
patent: 4075381 (1978-02-01), Furukawa et al.
patent: 5198304 (1993-03-01), Kramling et al.
patent: 5380575 (1995-01-01), Kaster

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