LAMINATED GLAZING

A laminated vehicle glazing comprising a first ply of a glazing material and a second ply of a glazing material having a substantially co-extensive ply of an interlayer material laminated there between, at least a portion of the ply of interlayer material having a wedged cross-section, wherein the p...

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Bibliographic Details
Main Authors DURBIN NEIL JOHN, DERDA MARTIN
Format Patent
LanguageEnglish
Korean
Published 13.07.2011
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MEASURING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TESTING
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A laminated vehicle glazing comprising a first ply of a glazing material and a second ply of a glazing material having a substantially co-extensive ply of an interlayer material laminated there between, at least a portion of the ply of interlayer material having a wedged cross-section, wherein the ply of interlayer material is pre-shaped by stretching such that either: (a) when the wedge angle is calculated at a plurality of points across the glazing, by taking measurements of a deflection of a laser beam as it passes through the glazing, the standard deviation in the magnitude of the wedge angle of the wedged portion is less than 0.05 mrad; or (b) when a grid pattern is projected onto the glazing, the standard deviation in the displacement between observed primary and secondary images of portions of the grid is less than 0.85 mm.
Bibliography:Application Number: KR20117009173