Static structures (e.g. – buildings) – With synthetic resinous component – With nonresinous component
Patent
1987-03-30
1989-05-23
Scherbel, David A.
Static structures (e.g., buildings)
With synthetic resinous component
With nonresinous component
52487, 52714, 52763, 52745, E04C 110, E04B 272
Patent
active
048318019
DESCRIPTION:
BRIEF SUMMARY
CROSS-REFERENCE TO RELATED APPLICATION
This application is a National Phase application of PCT/AT 8600044 filed Aug. 12, 1986 and based, in turn, upon an Austrian national application No. 1675/85 filed June 3, 1985.
It is known to manufacture building elements for facades, as cornices made of wood, bricks of heavy concrete, plaster (lime-cement mortar) or hardened plastic foams, whereby some of the aforementioned can be prefabricated.
As far as mounting of these elements to finished buildings is concerned, the above-mentioned systems are often avoided.
For example, dimensions of wood elements are greatly influenced by humidity variations, bricks are not very appropriate for safe fastening of cornices to finished buildings, cornice or frame parts made of heavy concrete can not always be securely fastened to old buildings, due to their specific weight, facade elements made of plaster are limited as to their size is concerned, profile elements made of polystyrene are not solid facade ornaments. Therefore, it is clear that facade elements to be mounted on completed buildings, either as cornices or as ornamental blocks or the like, are problematic. Furthermore, since not all cornice parts are thermoinsulating, particularly at the ceiling levels of each floor which mostly represent cold bridges, these cornice parts have to be made thermoinsulating.
SUMMARY OF THE INVENTION
According to the invention, the aforementioned facade elements are made of a mass consisting mostly of foamed synthetic materials, with a particle size of 2 mm to 7 mm and a small part of cement and water to bulk densities of 0.2 to 0.4 kg/dm.sup.3. The physical characteristics of this mass are surprisingly good, for instance it is not rough, it is frost-resistant, fireproof, easy to work on and extremely thermoinsulating. The thermal conductivity coefficient is Lamda b=0.06 to 0.08 w/mh.degree. K.
Surprisingly, it has been found that the described mass can be shaped with rotating profiled plates, and that the reinforcement anchors can be driven into the already finished profiled body at any desired point, as deeply as desired, without precutting, so that the cumbersome prepositioning of reinforcement anchors in forms can be eliminated. Due to the low specific weight, profiled bodies with large volumes, for instance with a length of 1.5 m, a projection of 0.4 m and a height of 0.3 m can be affixed after building to the outer walls and screwed to the wall by means of anchoring clips. The manufacture of the profiled facade elements can be done so that the mentioned lightweight concrete mass can be formed, and on the next day after hardening, the unfashioned facade element is passed through a shaping device. The direction of advance follows a curved path in the case of arched cornice elements.
Because of the workability of the blanks, the shaping device can work according to a very simple principle.
One or more horizontal shafts can be provided each with a longitudinal slot passing through their middle, whereby the respective profiled plate with a thickness of 4 mm, presenting outer contours as a mirror image is passed through and centrally fastened in the longitudinal slot, which has a length of for instance 1 m and a thickness of 4 mm. The shaping shaft, which turns in a direction opposite to the direction of displacement of the blank is oscillatingly supported in both bearings by suspension spindles, so that besides the horizontal back- and forth motion of the shaft, it is also possible to move it up and down, as well as to tilt in any desired way, for the purpose of positioning. After the positioning of the shaping shaft, each bearing bracket is fastened to the vertical support structure. The setting for the manufacture of different profiles, after the insertion of the pattern plate provided therefor, is in this case unusually quick and does not require large expenses.
The facade elements according to the invention can be shaped at any desired point, whereby it is possible to effect shaping not only on the visible side, but also at the up
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Chilcot Jr. Richard E.
Dubno Herbert
Scherbel David A.
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