Static structures (e.g. – buildings) – Externally projecting liquid deflector
Patent
1975-02-27
1976-07-20
Bell, J. Karl
Static structures (e.g., buildings)
Externally projecting liquid deflector
52404, 52531, E04D 1300, E04B 174
Patent
active
039698505
ABSTRACT:
A metal roof unit including a backing, a heat insulating material, and a surface metal plate, which can be produced by roll forming, press forming or extrusion forming on a mass-production basis in factories and can be used for roofing without special skill by expert roofers. In order to unite the metal roof units there are provided joint members which can be produced of light metal such as aluminum by roll forming, press forming or extrusion forming. The joint members are provided with a series of slits from which nails are driven through notches provided at each ends of said metal roof units into a rafter which is provided under said metal roof units, and said slits and notches have sufficient allowance in order to make the joint members and metal roof units movable by heat expansion due to sun heat.
REFERENCES:
patent: 3135070 (1964-06-01), Waring et al.
patent: 3290845 (1966-12-01), Snyder
patent: 3341999 (1967-10-01), Berg
patent: 3486281 (1969-12-01), Gregoire
patent: 3488905 (1970-01-01), Campbell
Bell J. Karl
Kabushiki Kaisha Hirai Giken
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