Double roofing roof structure
First Claim
Patent Images
1. A double roofing structure comprising:
- a water-proof drain plate set on at least one backing;
a rafter fixed on the backing through the drain plate with a fixing member that has a pushing plate having a substantial channel shape;
a roof member placed and fixed on the rafter;
a spacing layer, communicating with an opening at an eave of the roofing structure, formed between the drain plate set on the backing and the roof member;
a projection formed on a part of the drain plate contacting with the fixing member, the projection of the drain plate being formed in substantially a same sectional shape as the pushing plate of the fixing member contacting with the projection; and
a water-proof member positioned between the pushing plate of the fixing member and an upper surface of the projection of the drain plate.
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Accused Products
Abstract
A double roofing structure in which a water-proof drain plate is set on a backing. The rafter is fixed on the backing through the drain plate with a fixing member. Roof material or roof material holding member and inner layer material are placed and fixed on the rafter. A spacing layer communicating with an opening of the eaves is formed between the drain plate on the backing and the roof plate. The part communicating with the fixing member in the drain plate is formed with a projection.
71 Citations
17 Claims
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1. A double roofing structure comprising:
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a water-proof drain plate set on at least one backing; a rafter fixed on the backing through the drain plate with a fixing member that has a pushing plate having a substantial channel shape; a roof member placed and fixed on the rafter; a spacing layer, communicating with an opening at an eave of the roofing structure, formed between the drain plate set on the backing and the roof member; a projection formed on a part of the drain plate contacting with the fixing member, the projection of the drain plate being formed in substantially a same sectional shape as the pushing plate of the fixing member contacting with the projection; and a water-proof member positioned between the pushing plate of the fixing member and an upper surface of the projection of the drain plate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A double roofing structure comprising:
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a water-proof drain plate supported by at least one backing; a rafter fixed on the backing through the drain plate with a fixing member; a roof member placed and fixed on the rafter; a spacing layer, communicating with an opening at an eave of the roof structure, formed between the drain plate set on the backing and the roof member; a projection formed on a portion of the drain plate contacting with the fixing member; and a spacer member provided between an inner side of the projection of the drain plate and the fixing member and having a substantially trapezoidal sectional shape. - View Dependent Claims (17)
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Specification