This application is a national phase of International Application No. PCT/SE2016/000010 filed Mar. 9, 2016 and published in the English language, which claims priority to Swedish Patent Application No. 1530033-8 filed Mar. 12, 2015, which are hereby incorporated herein by reference.
This invention relates to a method of drying a water damaged floor, comprising forming an opening in a flooring of the floor and creating and forcing an airflow from a surrounding space through the opening into a ventilating space between the flooring and a subfloor. The invention also relates to an arrangement for performing the method as well as a lid and an adapter for use in the arrangement.
Prior art methods and arrangements of this category can be effectively used only in cases where there already is an existing ventilating space such as in a wooden beam subfloor structure underneath the flooring. When the flooring is installed on a flat subfloor face, such as on a concrete subfloor or wooden subfloor, there is no available ventilating space underneath the flooring. In such cases the water damaged flooring has to be removed before a drying operation and replaced after finishing the drying operation. It would therefore be desirable to conceive a method and an arrangement capable of drying also floors absent of existing ventilating spaces.
An object of the invention is to provide a method, arrangement, lid and adapter that is particularly but not exclusively adapted for drying floors not having an existing ventilating space.
Another object is to provide a method, arrangement, lid and adapter that is particularly but not exclusively adapted for drying floating floors, for example parquet floors.
Still another object is to provide a method, arrangement and adapter where the flooring may not need to be removed and replaced by a new flooring after a drying operation.
In an aspect of the invention, the above identified method of drying a water damaged floor further comprises elevating an end portion of the flooring from the subfloor for creating said ventilating space and for creating an air passage between the ventilating space and the surrounding space at an edge of the flooring.
By elevating the end portion, the ventilating space required for drying can be easily created also in floor structures where the flooring is placed directly above a flat subfloor top surface, such as in the common case of a concrete subfloor or a wooden subfloor or similar. A side effect of elevating the end portion is also the creation of the air passage that is vital to have the airflow circulating through ventilating space, surrounding space and an arrangement for conditioning the airflow and forcing it into circulation.
The required elevation for creating a sufficient ventilation space is only a few millimeters and will therefore not cause any mechanical damage to the flooring. When the drying operation is finished, the flooring can be lowered to its original state, resting on the subfloor, and in most cases with no need to be replaced.
The opening can be formed in the end portion of the flooring. Thereby, the perimeter portions of the opening can be used for engagement by an elevating device adapted for lifting the flooring.
It is, however, conceivable to lift the end portion of the flooring at another area than the opening at a distance from an edge of the flooring. By elevating the flooring at the end portion, the ventilating space will have a wedge-shaped cross section, the extent of which can be easily controlled by the amount of lifting. Theoretically, it would be possible to lift the flooring at a near midpoint of the floor and still obtain the wedge-shaped cross section having an air passage at an end of the flooring.
Specifically, the flooring is lifted by pushing the flooring away from the subfloor. In that case, there may be no need for any external lifting devices but the flooring can be lifted by a force acting through said opening and between the flooring and the subfloor.
When the flooring has a relatively stiff surface layer and a relatively flexible subsurface layer, the subsurface layer can be glued to the surface layer intermittently around a perimeter of said opening for allowing airflow also into a space between the surface layer and the subsurface layer.
After completion of the drying operation the opening can be enlarged and the resulting enlarged opening can be closed by a correspondingly shaped lid made of a suitable flooring material. The enlarged opening can remove any remaining marks in the flooring such as screw holes produced in the drying operation.
Alternatively, a top portion of the opening can be enlarged after a completion of the drying operation, whereby the resulting enlarged top opening also can be closed by a correspondingly shaped piece or element, such as a piece of veneer, to obtain a higher finish.
When necessary, the forced airflow is typically also conditioned in a suitable manner.
An arrangement for performing a method according to the invention comprises means for forcing the airflow, tubing for communicating the airflow between the means for forcing the airflow and the opening, an adapter for connecting the tubing to the opening, and an elevating device for lifting the end portion of the flooring from the subfloor.
While in certain cases an unconditioned air may be used, the arrangement may further comprise means, such as a heater, dehumidifier or other means for conditioning the airflow to be capable of drying the floor. Moreover, the airflow does not need to be forced by overpressure but may likewise be forced by suction or vacuum.
The arrangement may also comprise a manifold between the means for forcing the airflow and the opening. Then it will be possible to dry a larger area of the floor by forming a plurality of openings and using a plurality of adapters.
In one embodiment the elevating device comprises a pushing mechanism to be inserted in said opening for engagement with the flooring and the subfloor.
The pushing mechanism can be integrated with the adapter.
While other pushing mechanisms are conceivable, in one embodiment of the invention the pushing mechanism is a screw mechanism.
The invention also concerns a lid to be used for closing an opening used in a method or an arrangement of any of claims.
An adapter to be used in the arrangement comprises a base having a bore through the base, means in the base for connection of an end portion of said tubing to the bore, a pushing mechanism, and means for attaching the base to said flooring.
The adapter may further comprise a rod having a universal joint and means for releasably connecting a distal end of the rod to a screw or handle in the pushing mechanism. Thereby, an operator may be capable of operating the pushing mechanism by rotating a proximal end of the rod at a distance from the opening in the flooring, so as not to unnecessarily load the flooring in the vicinity of the opening by operator's bodyweight.
Other features and advantages of the invention may be apparent in the following detailed description and the appended claims.
In
In the embodiment shown, the arrangement comprises an air conditioning device 30, a manifold 34 and an adapter 40 connected by tubing 32, 38.
The air conditioning device 30 is adapted for providing a conditioned airflow capable of drying the floor 10 in a manner to be later described. Device 30 comprises a blower or fan 30A and typically also one or more components 30B for further necessary air treatment such as heating and dehumidifying/drying the airflow to be forced through the arrangement via tubing 32, 38. In certain circumstances it may, however, be sufficient to use an unconditioned airflow. While the fan 30A typically will force the airflow by overpressure, it could conceivably also force the airflow by suction.
As diagrammatically shown in phantom in
The adapter 40 is shown in in greater detail in
Base plate 42 is adapted to be sealingly attached to the flooring 14 around an opening 18 formed in the flooring 14 at and end portion 11 (
In the embodiment of
The arrangement according to the invention further has an elevating device for elevating the above-mentioned end portion 11 of the flooring from a subfloor 22. In this context, “end portion” may be any lateral, longitudinal or other end portion of the flooring. In the embodiment of
As diagrammatically indicated in
In the embodiment shown, flooring 14, in addition to the relatively stiff surface layer 16, also has a relatively flexible subsurface layer 20. Such subsurface layer 20, that is often made of a synthetic foam, usually has the function of a resilient support for the surface layer 16. In order to allow a forced drying airflow also between the surface layer 16 and subsurface layer 20, top face of subsurface layer 20 can be intermittently attached, such as by gluing, to bottom face of surface layer 16 at patches 60 in the vicinity of the opening 18, as shown in
To restore the flooring 14 when the drying operation is completed, the opening 60 can be closed in a manner known per se by a correspondingly shaped lid of flooring material. In case adapter base plate 42 was screwed to flooring 14, opening 18 may need to be enlarged to remove screw holes 58 (
The closing of the opening 18 may also be made by other methods, known per se. With reference to
The foregoing detailed description is given primarily for clearness of understanding and no unnecessary limitations are to be understood therefrom. Modifications will become obvious to those skilled in the art upon reading this disclosure and may be made without departing from the spirit of the invention or the scope of the appended claims.
Number | Date | Country | Kind |
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1530033 | Mar 2015 | SE | national |
Filing Document | Filing Date | Country | Kind |
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PCT/SE2016/000010 | 3/9/2016 | WO | 00 |
Publishing Document | Publishing Date | Country | Kind |
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WO2016/144229 | 9/15/2016 | WO | A |
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20140033633 | Kell | Feb 2014 | A1 |
Number | Date | Country |
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19716230 | Oct 1998 | DE |
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102012007273 | Sep 2013 | DE |
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Entry |
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International Search Report and Written Opinion for corresponding Patent Application No. PCT/SE2016/000010 dated May 12, 2016. |
Number | Date | Country | |
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20180106033 A1 | Apr 2018 | US |