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公开(公告)号：US20230142784A1
公开(公告)日：2023-05-11
申请号：US17910701
申请日：2021-03-12
Applicant: Pilkington Group Limited
Inventor： Peter PAULUS , Tomasz TELEGA
CPC classification number: B32B17/10036 , B32B7/12 , B32B17/10146 , B32B2250/02 , B32B2307/414 , B32B2307/538 , B32B2310/0843 , B32B2605/00
Abstract: A laminated glazing for a vehicle windscreen comprising first and second sheets of glazing material joined by a sheet of adhesive interlayer material is described. The laminated glazing has an outer facing surface and an inner facing surface comprising a first treated region that has been subjected to a roughening process such that before the roughening process the first treated region has a first surface roughness and after the roughening process the first treated region has a second surface roughness. The first treated region having the second surface roughness helps the laminated glazing break when subject to an impact on the outer facing surface. Use of a roughened region to reduce the time taken for a laminated glazing to break upon being impacted by an impactor is also described.
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公开(公告)号：US20230166480A1
公开(公告)日：2023-06-01
申请号：US17910633
申请日：2021-03-12
Applicant: Pilkington Group Limited
Inventor： Tomasz TELEGA
CPC classification number: B32B7/02 , B32B3/266 , B60J1/02 , B60J1/001 , B32B17/10036
Abstract: A laminated glazing for a vehicle windscreen comprising a first sheet of glazing material joined to a second sheet of glazing material by at least one sheet of adhesive interlayer material is described. Each of the first and second sheets of glazing material has a respective first major surface and second major surface, wherein the second major surface of the first sheet of glazing material faces the first major surface of the second sheet of glazing material. The second sheet of glazing material comprises at least a first hole therein, the first hole being adjacent a peripheral edge of the laminated glazing.
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