Static structures (e.g. – buildings) – Machine or implement
Patent
1989-12-06
1991-06-18
Safavi, Michael
Static structures (e.g., buildings)
Machine or implement
52700, 52730, 52732, E04C 307
Patent
active
050240390
ABSTRACT:
A beam or the like, substantially manufactured from rather thin sheet metal either by bending or some other suitable technique and comprising at least one side as well as a fastening strip joining with its edge and positioned at a straight or inclined angle relative to said side. The beam fastening strips and in some cases intermediate strips are provided with studs having a rather dense spacing in longitudinal direction. As the bearing member of a jointing structure, said beam is intended to be secured to a building panel or the like made of wood or a similar material, such as woodboard, boarding chipboard, gypsum board or concrete slab by pressing it against such a panel, so that said studs penetrate into a panel and secure the beam, or by placing said beam on top of a just cast, fresh concrete slab, whereby the studs effect the securing as the concrete sets. The invention is mainly characterized in that the intermediate strips and/or fastening strips of a beam are fitted with reinforcement lists extending lengthwise of the beam for improving the bending strength of the beam.
REFERENCES:
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patent: 4143500 (1979-03-01), Sanford
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patent: 4641474 (1987-02-01), Cannarsa
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