| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide double glazing applicable to a standard sash frame used in a general home and having 100 mm thickness, having sound insulation class T-3 according to JIS A4706:2000 and having properties required to the area III based on Ministry of Land, Infrastructure and Transport notification No. 378 notified in Heisei 18 "Guideline for design, construction and maintenance about rationalization of activity of energy concerning residence". <P>SOLUTION: The thickness of single sheet glass is ≥5.0 mm and the thickness of a glass part of laminated glass is ≥6.0 mm, an interlayer used for the laminated glass is a three layer structure formed by inserting a layer (A) to enhance the sound insulation performance between heat adhesive resin layers (B), the thickness of a hollow layer is ≥9 mm, the sum of the thickness of the single sheet glass and two pieces of glass plate used for the laminated glass is ≤31 mm and the thickness of the double glazing is ≤40 mm. <P>COPYRIGHT: (C)2010,JPO&INPIT |
