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Priority to ES0075719UpriorityCriticalpatent/ES75719Y/en
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Abstract
A metal formwork for circular reinforced concrete elements, essentially characterized in that the circular pillars can have different diameters, each one formed by two semi-cylinders of suitable dimensions and built in sheet metal, which is welded to plates, each semicylindr reinforcements and lugs on the plates at the bottom and holes on the top, being fixed by its base on plates with holes of the same shape and dimensions as the own semi-cylinders, so that they are fixed at their bottom , while the upper are joined by the other half-cylinders, which are placed perpendicular to the lower part, so that the lugs thereof, are embedded in holes of the plates of the lower cylinder and so on until reaching the desired height, fixing the last ones by means of some strips joining the two last half cylinders , to give consistency to the total cylinder of panels, on which the concrete is to be poured, so that the pillar is formed when the cylinders are formed, with the aforementioned plates protruding, which protrude at the top to fit the half cylinder corresponding, the system comprising a means of closure, consisting of a curved piece, whose free end is housed in a retainer set on the plate itself and presenting a point of support to determine the tilt of a lever manually operated, to establish the pressure suitable for closing, said lever being integral in its action on the other functional elements. (Machine-translation by Google Translate, not legally binding)
ES0075719U1959-09-021959-09-02
Metal formwork for circular reinforced concrete elements
ExpiredES75719Y
(en)
Improvements in the construction of construction elements from mixed fragile molds of concrete, mortar and similar (Machine-translation by Google Translate, not legally binding)