| 摘要 |
PROBLEM TO BE SOLVED: To provide double glazing being easy to assemble and having a built-in light control member such as a louver which will not drop nor deviate in spite of a simple structure, and which can freely rotate. SOLUTION: This double glazing has, in a hollow space, a built-in light control member 1 comprising a plurality of crosspiece members 11 and at least two sets of support members 121, 122. Each one set of support members 121, 122 comprises two sheets of support members 121, 122 and holes are formed in the crosspiece members 11. Projections are formed on one side of each of the two sheets of support members 121, 122 and the two support members 121, 122 are fitted into the holes in the crosspiece members 11. The projections are locked to the longitudinal edge portions of the holes and the at least one of the two sheets of support members 121, 122 is freely movably disposed.
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