PROBLEM TO BE SOLVED: To provide an opening section device which can be improved in daylighting property by a simple structure.;SOLUTION: The opening section device includes a frame body mounted along the four sides of a building opening section and a sliding door arranged on the insides of the frame body, wherein the sliding door includes a glass panel and a frame which is provided along the outer periphery of the glass panel so as to cover an end part and an end surface of the glass panel, and wherein the glass panel is at least part of the section covered with the frame, and is adhered by a frame adhesive means which is an adhesive means for the glass panel and the frame.;COPYRIGHT: (C)2010,JPO&INPIT
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