Static structures (e.g. – buildings) – Preassembled subenclosure or substructure section of unit or...
Reexamination Certificate
2000-06-08
2002-08-20
Mai, Lanna (Department: 3635)
Static structures (e.g., buildings)
Preassembled subenclosure or substructure section of unit or...
C052S220100, C052S220700, C052S169500
Reexamination Certificate
active
06434890
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a room delimiting means composed of prefabricated elements, such as outer walls, partitions and story terminating means or the like and to a method for erecting same.
BACKGROUND OF THE INVENTION
In the last few years construction and building technology has seen a development, in which by making erection as rational and rapid as possible the time needed, and the costs involved, for the completion of buildings may be reduced as much as possible. In order to achieve this aim reliance is being placed to an increasing extent on prefabricated components, that is to say parts of buildings are being produced off site and then fitted together and installed later. One example for such prefabricated parts is prefabricated wall elements, which are employed more particularly for the erection of load-free partitions in semi-finished buildings or for later installation in rooms which have already been produced, as for example in open-plan offices, apartments to be modernized and the like. One example for this is to be found in the German patent publication 19,611,388 A1, which describes a prefabricated wall element with integrated conduit passages.
SUMMARY OF THE INVENTION
In order to attain an advantage as regards time and costs when building using prefabricated parts it is on the one hand possible to improve the manufacture and design of the prefabricated element themselves. On the other hand a decisive point as regards assembly on the building site is that the prefabricated elements are able to be simply, reliably and rapidly mounted.
One object of the present invention is the production of room delimiting means such as outer walls, partitions, story delimit means, roof elements and the like, which render possible rapid, precise and economic assembly in position, with, more particularly, the advantages of prefabricated wall systems, for the production of outer walls and, respectively, story delimiting means. More especially it is intended to make available a multiplicity of different variations in outer walls, partitions, story delimiting means with more particularly pre-installed installation and/or heating and services and supply conduits in the simple manner, which has been noted.
This aim is to be achieved by the characterizing features of the independent claims. Preferred embodiments of the invention are described in the dependent claims.
In the case of the method of the invention for the erection of outer walls, partitions, roof elements or delimiting means for stories or, respectively, of the room delimiting means produced therewith modular prefabricated elements are employed, which comprise a monolithic core element or a core element in the form of a composite element and at least one surface element. Preferably transversely and longitudinally extending or horizontally and vertically extending means are provided in the conduit means in the form of channels. More especially prefabricated elements are employed in the case of which the conduit means are present in the form of outwardly open channels on both terminal sides constituting the principal faces. Such a modular prefabricated element is described in the said German patent publication 19,611,388 A1.
For connection of the prefabricated elements together and with the wall, ceiling or floor of a room or, respectively, for stiffening the modular prefabricated elements and connecting stiffening elements are provided, which are fitted in recesses or intermediate spaces in the prefabricated elements. In the case of the recesses it is preferably a question of grooves or groove and tongue joints between the prefabricated elements. As an alternative or in a complementary manner it is possible for the stiffening and connecting elements also to be fitted in intermediate spaces in the prefabricated elements, which are either already provided for them in the prefabricated elements or are fitted in the prefabricated elements when the connection is produced. The important point is that the stiffening and connecting elements on the one hand jointly act to provide for stiffening of the prefabricated elements and on the other hand to ensure a connection of the prefabricated elements with one another or with the walls or floor/ceiling of the room so that it is possible to dispense with additional components, something which leads to savings in time and money. It is more especially an advantage with the present invention that as far as possible only one or at the most merely a few stiffening and connecting elements are provided for different stiffening and connecting purposes univesally. This leads to the advantage that on the building site only a few different components must be stocked and accordingly stockholding costs are reduced and furthermore the expense of stocking and ordering different parts may be cut down.
The stiffening and connecting elements are, in the present invention, at least partly attached by fastening elements to the prefabricated elements or to the wall, ceiling or, respectively, floor of the room or, respectively, both to the prefabricated elements and also the wall, ceiling or, respectively, floor in order to so to ensure reliable fastening of the room delimiting means to ther wall, ceiling or, respectively, floor or to ensure the connection of the prefabricated elements. This ensures a safe and strong design of the room dividing means composed of the prefabricated elements.
For the room delimiting means in accordance with the invention or, respectively, the method for the erection thereof it is particularly preferred to employ prefabricated elements, which on the one hand at the principal faces possess horizontal and/or vertical or, respectively, transverse and longitudinally extending channels and on the other hand possess groove- and tongue-like recesses and projections on two opposite narrow sides, by means of which the connection of the prefabricated elements is facilitated. For such prefabricated elements the present invention is more particularly suitable, since the structure in accordance with the invention renders it possible to simply meet special joining requirements as regards providing the prefabricated elements with horizontal and/or vertical or, respectively, transversely and/or longitudinally extending channels. Furthermore, prefabricated elements with groove and tongue joints offer suitable space for the application of the stiffening and connecting elements. It is more especially advantageous to use prefabricated elements, in the case of which the groove and tongue-like projections and recesses on the narrow sides to be connected are already preformed by the channels on the core element or are preformed by the arrangement of the surface elements on the core element. This is something also offering advantages in connection with the manufacture of the prefabricated elements.
For putting the invention into practice the employment of U sections as stiffening and connecting elements is particularly advantageous. In their dimensions same are preferably selected to be matched with the groove and tongue-like recesses and projections on the narrow sides to be connected of the prefabricated elements and/or the thickness of the core elements of the prefabricated elements. It is in this manner that the U sections may be exactly fitted in the groove-like recesses or may be arranged so that their limbs fit around the tongue-like projections. Moreover the limbs of the U sections may in accordance with the invention fit into the intermediate spaces between the core element and the surface element of the prefabricated element. These intermediate spaces are either already provided in the course of manufacture of the prefabricated element or are produced during manufacture the connection by insertion of the reinforcing and connecting elements. If, for example, prefabricated elements are employed, which are made from a foam board of PU, or PSD foam material, or if upright mineral wool is available as a core element and a plaster-cardboard sheet, it is possible for the
Dorsey Dennis L.
Mai Lanna
Van Dyke Gardner, Linn & Burkhart, LLP
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