Laminated glazing unit

Details Laminated glazing unit Laminated glazing unit

1989-06-28

1990-03-27

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of quartz or glass

428429, 428430, 428448, B32B 1710, B32B 2730

Patent

active

049119842

ABSTRACT:
A laminated glazing unit composed of an improved polymer interlayer composite interposed between two glass sheets and its method of manufacture are disclosed. The improved interlayer contains various layers with appropriate thicknesses of silane primer, poly(ethylene vinyl acetate) and poly(ethylene terephthalate) arranged and bonded together in a particular fashion to increase the fragment retention capabilities of the laminated glazing while also improving the overall penetration resistance and safety characteristics of the structure without increasing the rigidity to a point where it poses a safety threat to the occupant.

REFERENCES:
patent: 3388035 (1968-06-01), Mattimoe et al.
patent: 4112171 (1978-09-01), Motter et al.
patent: 4204025 (1980-05-01), Le Grand et al.
patent: 4204026 (1980-05-01), Le Grand et al.
patent: 4230769 (1980-10-01), Goossens
patent: 4277538 (1981-07-01), Beckmann et al.
patent: 4511627 (1985-04-01), Tanuma et al.
patent: 4599274 (1986-07-01), Ando et al.

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