Method of Manufacturing Laminated Glass for Vehicle
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United States of America Patent
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Apr 16, 2015
app pub date -
Oct 9, 2014
filing date -
Oct 10, 2013
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Abstract
A method of manufacturing a vehicle laminated glass according to the present invention includes: stacking a thermal insulating film between two resin intermediate films; stacking these films between two curved glass plates, thereby forming a stacked body; degassing the stacked body; and, after the degassing, thermocompression bonding the stacked body by pressing and heating up to a maximum temperature of 120 to 150° C., wherein: the thermal insulating film has a heat shrinkage of 0.9 to 5% in a temperature range of 120 to 150° C.; the resin intermediate film is larger in area than the glass plates; and the stacked body is formed such that an edge part of the resin intermediate film protrudes outwardly by 1 mm or more from edges of the glass plates. It is possible by this method to prevent an appearance defect in the thermal insulating film throughout the entire circumference of the laminated glass.
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