| 摘要 |
An insulating plug, for a discharge lamp device, including a plug body and a lamp-side connector. The plug body is made of a glass-fiber-reinforced plastic resin. The lamp-side connector is provided at a rear end portion of the plug body. A power-supplying connector can be attached to, and detached from, the lamp-side connector. The plug body has an arc tube fixedly held thereon, so as to form a discharge lamp device. Because the plug body is made of a glass-fiber-reinforced plastic resin, the durability, molding precision, and so on of the plug body and, hence, those of the discharge lamp device provided with this plug body, are enhanced.
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