| 摘要 |
<p>A vacuum double glazing (P), wherein a pair of plate glasses (1, 2) are opposed to each other through a clearance part (V) formed by providing spacers (3) between these both plate glasses (1, 2), the outer peripheral parts of the pair of plate glasses (1, 2) are sealingly fitted to each other with sealing material (4), and the clearance part (V) is held in decompressed state, a reinforced plate glass (G) subjected to reinforcing treatment is used as at least one plate glass of the pair of plate glasses (1, 2), and the plate surface (21) of the reinforced plate glass placed in contact with a transfer device at the time of the reinforcing treatment among the plate surfaces of the reinforced plate glass (G) is disposed on a non-clearance part side before manufacture to increase a strength.</p> |
