| 摘要 |
PROBLEM TO BE SOLVED: To provide a double-glazing unit which can be surely filled with gas, such as gaseous argon, in respective gas filling spaces and a method of manufacturing the same as well as fittings. SOLUTION: A pair of sheet glasses 5 and 7 are arranged at both flanks of a four-way frame member 3 and an intermediate sheet glass 11 held by a holding member 9 is arranged in the space enclosed by a pair of the sheet glasses 5 and 7 and the four-way frame member 3. The gas filling spaces 13 and 15 are formed on both sides of the intermediate sheet glass 11 and a gas filling port 21 and exhaust hole are formed in the four-way frame member 3. A filling passage 23 which is continuous with the filling port 21 and communicates with the gas filling spaces on both sides of the intermediate sheet glass and an exhaust passage 24 which is continuous with the exhaust hole and communicates with the gas filling spaces on both sides of the intermediate sheet glass are formed at the holding member 9. |
