| 摘要 |
1,225,310. Laminated glass. NIPPON SHEET GLASS CO. Ltd. 6 Dec., 1968 [7 Dec., 1967], No. 58121/68. Heading B5N. A laminate comprises at least two transparent sheets of glass and an interlayer of an organic polymeric material interposed between adjacent glass sheets and bonded thereto to provide a unitary structure, characterized by at least one of said adjacent glass sheets having a reduced strength due to pre-treatment of its surface. In the pretreatment, any chemical or mechanical method of decreasing the strength of glass may be used. In an embodiment, each of two glass sheets have one pretreated surface and one non-treated surface and the interlayer is interposed between the pretreated surface of one glass sheet and the non-treated surface of the other glass sheet. |
