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A multi-layered window structure of the present invention includes: a first window pane made of glass; a second window pane made of polycarbonate, being smaller in both height and width than the first window pane, and formed to a thickness of 5 mm to 30 mm; a hollow annular spacer disposed so as to

A multi-layered window structure of the present invention includes: a first window pane made of glass; a second window pane made of polycarbonate, being smaller in both height and width than the first window pane, and formed to a thickness of 5 mm to 30 mm; a hollow annular spacer disposed so as to extend along edges of the first window pane and the second window pane, and having holes in a side wall facing an air layer between the first window pane and the second window pane; and a primary sealer being an elastic body, with a thickness of 0.5 mm or more and a width of 6 mm or more, that extends along the edges of the first window pane and the second window pane, and is disposed between the first window pane and the spacer, and between the second window pane and the spacer.

대표청구항 ▼

1. A multi-layered window structure comprising: a first window pane made of a glass;a second window pane made of a polycarbonate, being smaller in both height and width than the first window pane;a hollow annular spacer disposed so as to extend along edges of the first window pane and the second win

1. A multi-layered window structure comprising: a first window pane made of a glass;a second window pane made of a polycarbonate, being smaller in both height and width than the first window pane;a hollow annular spacer disposed so as to extend along edges of the first window pane and the second window pane, and having holes in a side wall facing an air layer between the first window pane and the second window pane; andprimary sealers formed of elastic bodies, each of said primary sealers having a thickness of 0.5 mm or more and having a width of 6 mm or more, the primary sealers also extending along the edges of the first window pane and the second window pane, and being disposed between the first window pane and the spacer, and between the second window pane and the spacer,wherein the second window pane includes:an inner surface which is opposite to the first window pane;an outer surface on a side of the second window pane opposite the inner surface, the outer surface being a stepped surface defined by:a thick plate section having a thickness of 5 mm to 30 mm; anda thin plate section which is formed so as to surround a periphery of the thick plate section, which shares and is flush with the inner surface of the second window pane with the thick plate section, and which has a thickness smaller than that of the thick plate section, andwherein the spacer is disposed at a position between the thin plate section of the second window pane and the first window pane, the position being a position closest to the thick plate section. 2. The multi-layered window structure according to claim 1, wherein the spacer is packed with a desiccating agent. 3. The multi-layered window structure according to claim 2, wherein within a temperature condition of 18° C. to 25° C., only the second window pane is curved and the first window pane is not curved. 4. The multi-layered window structure according to claim 1, wherein the primary sealer is made of an isobutylene-isoprene rubber. 5. The multi-layered window structure according to claim 4, wherein within a temperature condition of 18° C. to 25° C., only the second window pane is curved and the first window pane is not curved. 6. The multi-layered window structure according to claim 1, further comprising a secondary sealer made of an elastic body, that is in contact with and extends along the edges of the first window pane and the second window pane, and is also contact with the spacer so as to surround a periphery of the spacer. 7. The multi-layered window structure according to claim 6, wherein within a temperature condition of 18° C. to 25° C., only the second window pane is curved and the first window pane is not curved. 8. The multi-layered window structure according to claim 1, wherein a black coating film is formed on the edge, on the air layer side, of the second window pane. 9. The multi-layered window structure according to claim 8, wherein within a temperature condition of 18° C. to 25° C., only the second window pane is curved and the first window pane is not curved. 10. The multi-layered window structure according to claim 1, wherein within a temperature condition of 18° C. to 25° C., only the second window pane is curved and the first window pane is not curved. 11. The multi-layered window structure according to claim 1, wherein the thickness of the second window pane is 8 mm to 30 mm. 12. The multi-layered window structure according to claim 1, further comprising: a first frame member having a first frame section and a second frame section,an outside edge portion that is formed on the outer surface of the second window pane;a first elastic body that is disposed between the second frame section and the first window pane; anda second elastic body that is disposed between the first frame section and the second window pane, wherein the first frame section overlaps the edge portion via the second elastic body, the second frame section extends in a direction perpendicular to the first window pane from an outside edge of the first frame section and overlaps the first window pane via the first elastic body, and the first window pane, the second window pane, the primary sealer, the spacer, and the first frame member are unified. 13. The multi-layered window structure according to claim 12, further comprising: a secondary sealer made of an elastic body, said secondary sealer being in contact with and extending along the edges of the first window pane and the second window pane, and the secondary sealer also being in contact with the spacer so as to surround a periphery of the spacer; anda tertiary sealer disposed among the first frame section, the secondary sealer, and the second window pane. 14. The multi-layered window structure according to claim 1, wherein the multi-layered window structure is a double layer structure consists of the first window pane and the second window pane, andan inner surface of the first window pane, the inner surface of the second window pane, and an inner surface of the spacer form an air gap.