Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1983-09-07
1985-01-29
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Assembling or joining
52334, B23P 1904, E04B 116
Patent
active
044956886
ABSTRACT:
Method of manufacturing this panel by pouring concrete in a mold where a reinforcement has been introduced. According to the method there are first of all provided rectangular molds in which at least two of the opposite sides are flared. Concrete is thereafter poured into one of the molds while introducing the reinforcement and this operation is continued until the mold is completely filled. On the other hand, there are provided steel trusses having seating pads at both ends thereof, each truss being formed of a base and a head connected together by a system of metallic rods mounted in zigzag. Then, the two trusses are spacedly mounted parallel to one another as well as with the two flared sides of the mold, above the surface of the concrete which has been freshly poured in the mold and the head of the truss is caused to penetrate therein by means of a U-shaped winch mechanism until the seating pads of the trusses come flush with the surface of the concrete. The concrete in which the head of the truss is embedded is thereafter allowed to harden. The panel of reinforced concrete is then unmolded preferably by holding it by means of the trusses and it is then rotated 180.degree. along its longitudinal axis so as to enable it to be ready to be disposed on a frame work to constitute a flooring panel. This method enables a floor to be mounted very rapidly and to provide an economy of concrete.
REFERENCES:
patent: 2558946 (1951-07-01), Fromson
patent: 3727876 (1973-04-01), Keyser
patent: 3885369 (1975-05-01), Ott
patent: 4084780 (1978-04-01), Mess
patent: 4159099 (1979-06-01), Maguirre
patent: 4228985 (1980-10-01), Gaudelli et al.
patent: 4320606 (1982-03-01), Gang Rao
Longpre Francois
Longpre Pierre
Longpre Yves
Goldberg Howard N.
Nichols Steven E.
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