Static structures (e.g. – buildings) – Lapped multiplanar surfacing; e.g. – shingle type – With spacing or space-forming feature
Patent
1975-01-30
1977-05-17
Braun, Leslie
Static structures (e.g., buildings)
Lapped multiplanar surfacing; e.g., shingle type
With spacing or space-forming feature
52518, 52528, 52576, 52750, E04D 128, E04D 130
Patent
active
040233219
ABSTRACT:
A roofing shingle consisting of an upper layer of composition roofing material, a lower layer of waterproof roofing felt, and an intermediate layer spacing the upper and lower layers apart, all of the layers being firmly bonded together. The intermediate layer may function to provide a dead-air space for purposes of heat insulation, or may consist of tubular members permitting free circulation of air between the upper and lower layers. The composite structure of the shingle gives it a bending strength highly resistant to curling or other damage by high wind, and the lower layer may be extended to underlie adjacent shingles in the same course, so as to provide a waterproof under-layer for the upper layers.
REFERENCES:
patent: 1765796 (1930-06-01), Kirschbraun
patent: 2302487 (1942-11-01), Berger et al.
patent: 2724872 (1955-11-01), Herbes
patent: 3006113 (1961-10-01), Barnes et al.
patent: 3228822 (1966-01-01), Norman
patent: 3409224 (1968-11-01), Harp
Braun Leslie
Hamilton John A.
Powers Billy G.
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