US 11,772,367 B2
Laminated glazing
Gustavo Benedetto, de Bisaccia (IT); and Neil Winstanley, St Helens (GB)
Assigned to PILKINGTON GROUP LIMITED, Lancashire (GB)
Appl. No. 17/271,372
Filed by Pilkington Group Limited, Nr. Ormskirk (GB)
PCT Filed Aug. 30, 2019, PCT No. PCT/GB2019/052440
§ 371(c)(1), (2) Date Feb. 25, 2021,
PCT Pub. No. WO2020/044061, PCT Pub. Date Mar. 5, 2020.
Claims priority of application No. 18425073 (EP), filed on Aug. 31, 2018.
Prior Publication US 2021/0323278 A1, Oct. 21, 2021
Int. Cl. B32B 3/10 (2006.01); B32B 17/10 (2006.01)
CPC B32B 17/10293 (2013.01) [B32B 17/10036 (2013.01); B32B 17/10137 (2013.01); B32B 17/10155 (2013.01); B32B 17/10935 (2013.01); B32B 17/1055 (2013.01); B32B 2307/50 (2013.01); B32B 2307/732 (2013.01); B32B 2605/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A laminated glazing comprising:
a first sheet of glass joined to a second sheet of glass by an interlayer structure therebetween, the interlayer structure comprising at least one sheet of adhesive interlayer material;
the first sheet of glass having a first major surface and a second opposing major surface;
the first sheet of glass having a thickness between 1.3 mm and 6 mm;
the second sheet of glass having a first major surface and a second opposing major surface;
the second sheet of glass having a thickness between 0.3 mm and 1.2 mm;
the laminated glazing being configured such that the second major surface of the first sheet of glass faces the first major surface of the second sheet of glass;
the first sheet of glass having a first edge surface between the first and second major surfaces of the first sheet of glass;
the second sheet of glass having a first edge surface between the first and second major surfaces of the second sheet of glass;
the first edge surface of the second sheet of glass intersecting the first major surface of the second sheet of glass to define a first edge of the second sheet of glass; and
the first edge surface of the second sheet of glass intersecting the second major surface of the second sheet of glass to define a second edge of the second sheet of glass;
wherein the first edge surface of the second sheet of glass is configured to comprise at least one region between the first and second edges of the second sheet of glass such that in the at least one region the shortest distance along a straight line on the first edge surface of the second sheet of glass connecting a first point on the first edge of the second sheet of glass to a second point on the second edge of the second sheet of glass is at least 1.7 times the thickness of the second sheet of glass.