• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A method of making a floor element and a floor element. The load-bearing floor element (1) comprises a tile part (2) and a bathroom part (3). The bathroom part has a floor drain (4) and sloping floor surfaces (5) towards it. The floor element is a prefabricated building component manufactured at the factory (15) and cast in two separate casting steps. The first casting (13) is made on the factory casting line (16) and then the bathroom part has a recess (8). In a separate step and possibly at a different casting point, a second casting (14) is cast into the recess to form inclined floor surfaces. The underfloor heating means (9) are inside the first casting.
    公开号:FI20175644A1
    申请号:FI20175644
    申请日:2017-07-04
    公开日:2019-01-05
    发明作者:Mikko Isotalo
    申请人:Lujabetoni Oy；
    IPC主号:
    专利说明:

    A method of making a floor element and a floor element
    Background of the Invention
    The invention relates to a method for manufacturing a floor element. In the method, a load-bearing floor element is molded by casting from a casting molding. During the casting, the floor element is pre-formed with a tile part and a bathroom part. The bathroom part is prefabricated with a floor drain and a sloping floor towards it.
    The invention further relates to a cast and load-bearing floor element having a tile part and a bathroom part. The bathroom part has a floor drain with drain and a sloping sloping floor.
    The subject matter of the invention is described in more detail in the preambles of the independent claims of the 15 applications.
    Prefabricated load-bearing floor elements can be used in the construction and serve as a floor for the building. The required technical equipment such as piping and cabling can be fitted inside the prefabricated floor elements already at the factory. Such floor elements can be manufactured at the prefabricated factory as a molding of concrete. Finished floor elements are delivered to the construction site as prefabricated components. The floor elements can also be fitted with a bath part of the room with the necessary tile floor and drainage. However, in the manufacture of existing prefabricated and bathroom floor elements, drawbacks have been identified which increase their cost.
    Brief Description of the Invention
    The idea of the invention is to provide a novel and improved method of manufacturing a floor element and a new and better floor element.
    20175644 prh 04-07-2017
    Characteristic features of the method according to the invention are set forth in the characterizing part of the independent method claim.
    The characteristic features of the floor element according to the invention are shown in the characterizing part of the independent device claim.
    The idea of the disclosed solution is that the floor element is a load-bearing prefabricated component equipped with a tile part and a bathroom part. The manufacture of the floor element 10 comprises at least a first casting and a second casting. After the first casting, the floor element has a recess at the bathroom part. In other words, the tile section is molded in its first casting to its final thickness, while the bathroom section is left with a recess to form a trough, i.e. a sloping floor towards the floor drain, in a separate step. The second casting is made in the recess of the bathroom section and the sloping surfaces of the casting mass of the second cast are formed on the bathroom section to form a tiled floor.
    Further, at least one floor drain is fitted to the bath section already before the first drain and is connected to at least one sewer pipe which slopes away from the floor drain. In addition, even before the first casting, the floor heating elements 25 are fitted to at least a portion of the bathroom part. The drainage mass of the first cast covers at least part of said underfloor heating elements. Further, the first casting covers said drain pipe and the floor drain, however, so that the top of the floor drain remains in the recess. The second casting into the recess is made in a distinctly separate step relative to the first casting, since its purpose is solely to provide a sloping floor surface for the bathroom part. In other words, the manufacture of the floor element comprises two separate casting steps, between which the casting process is interrupted. Suspension means that the castings
    20175644 prh 04-07-2017 Clearly done at different stages of time that the castings are physically separated, or both. However, both the first and the second castings are made at the prefabricated or concrete product factory so that the floor element is a prefabricated building component at the factory, which can be installed as a midsole of the building without the need for post casting at the construction site.
    An advantage of the disclosed solution is that the manufacturing process of the floor element can be made more efficient when the second casting 10 is performed in a separate step with respect to the first casting.
    In particular, the operation of the casting line at the concrete product plant can be made more efficient, lead time increased and capacity increased. Further, when the floor heating elements are already pre-arranged for the first casting, making the second casting is easier and faster. In addition, it is simple to attach the floor heating elements to the structures inside the first casting.
    The idea of one embodiment is to delimit the point of the recess to be formed on the bathroom section by a frame-shaped molding mold before the first molding. This mold, which defines the recess, is removed before the second cast. In addition to the edge portions, the cavity defining mold may comprise a bottom portion that prevents the first casting mass from rising through the bottom of the cavity. In addition, the base portion 25 provides an easily straight and dimensional base for the recess, which facilitates subsequent casting.
    The idea of one embodiment is to make a first casting at the first casting and a second casting at the second casting. The first casting can be done on the casting line of an element or concrete product plant. Once the first casting has dried sufficiently, the formed casting blank can be moved away from the casting line for a second casting. This allows the casting line to be released for the casting of new castings 35, which, of course, increases the efficiency of production and increases the capacity of the production line. In this application
    20175644 prh 04-07-2017 The casting of the floor element is suspended at least during the first drying of the first casting and during the transfer. The second casting may be performed at another casting site immediately after transfer or at any time. A further advantage of this application 5 is that the second casting and floor tilting designs can be made in a hurry and in good conditions at the second casting site at the factory. The second casting site may be provided with precise and efficient working and measuring tools specifically designed to shape the floor. The solution also enables robotic automation to be utilized in demanding floor design. Further, workers at the second casting site may have special skills and experience in making floor tilts. A further advantage is that the actual casting line 15, i.e. the first casting site, does not have to be provided with feeders and means for the moldable casting mass, whereby its structure and operation can be more easily optimized for making the first casting.
    The idea of one embodiment is to perform the first casting on the concrete product factory casting line and the second casting in the concrete product factory finishing position outside the casting line. The finishing station may be located near the actual casting line, or alternatively it may be completely separate from the casting line, but still part of the factory. The idea of one embodiment is to perform a first casting on a concrete product plant casting line and a second casting in a storage station outside the casting line. The storage station is also part of the concrete product plant.
    The idea of one embodiment is to transfer the molding formed at the first casting and provided with a recess to the second casting without delay after the first casting has cured at least enough that transfer to the second casting is possible without damaging the structure of the preform. In this case, the first casting has cured at least on its surfaces, and there is still a bond formed between the casting mass and any stiffeners that can withstand the forces during transfer.
    The advantage of this application is that the casting line of the concrete product plant can be released as soon as possible for casting new floor elements, whereby the manufacturing efficiency 5 can be improved. The casting blank may be allowed to dry completely before the second casting, or alternatively, the second casting may be made into a recess immediately after transferring the blank to another casting site.
    The idea of one embodiment is to move the casting blank with the recess and the molds to another casting site for casting the floor. In other words, in this embodiment, the casting blank is not removed for transfer from the mold used on the casting line. In this case, there is no need to wait for the casting mold to dry before transfer and the casting line can be released very quickly to cast new blanks. An easily movable mold system designed for this solution can be used on the cast line. At one of the casting sites, the mold parts or mold frame defining the recess are removed, another casting is performed and the inclined floor surfaces can be dismantled if necessary, even then,
    The mold used on the casting line will only be later cast for another casting once all castings have been completely dried.
    The idea of one embodiment is that the second casting in the recess is not made in a separate step
    20175644 prh 04-07-2017 after the first casting has cured. In this case, the first casting is expected to dry for a predetermined time, which depends on the casting mass used and the surrounding conditions, such as temperature. For example, the first cure may be allowed to cure for more than 120 minutes prior to the second curing. Yet another possibility is to allow the first cast to cure completely before the second cast.
    The idea of one embodiment is to make another casting in the recess at the casting of the concrete product plant, but in a clearly separate step
    20175644 prh 04-07-2017 for the first casting. There is then a time interval between the first casting and the second casting and the first casting has cured at least partially before the second casting. The cast line may have a plurality of floor elements to be cast in succession, allowing the first casting molds to dry sufficiently while the first castings are applied to the other elements on the casting line.
    The idea of one embodiment is to use floor heating pipes or similar flow ducts for circulating a fluid acting as a heat transfer medium, such as water, as floor heating elements. The underfloor heating pipes may be supported on the bottom of the mold by separate support elements, or they may be attached to a support or stiffening structure suitable for the first casting.
    The idea of one embodiment is to use electric heating elements as floor heating elements which, when connected to a power supply, produce heat. The electric heating elements may be, for example, resistive cables. The electric heating elements may be supported on a support or stiffening structure adapted to the first casting 20.
    The idea of one embodiment is to completely cover the underfloor heating elements, such as underfloor heating pipes or cables, in the first casting. In this case, no underfloor heating means will be introduced into the second casting into the recess. Further, the other casting may be free of other technical installations or inserts to be inserted into the casting. In this case, the sole purpose of the second casting may be to form an inclined surface with the bathroom portion towards the floor drain.
    The idea of one embodiment is to cover the underfloor heating elements with as thin a layer as possible of the first pouring concrete or grout. The heat generated by the floor heating elements is then transferred well to the bathroom part. There may be a thickness of 5-10 mm between the top surfaces of the floor heating elements and the top surface of the bottom 35 part
    20175644 prh 04-07-2017 First cast concrete. This layer provides sufficient protection for the underfloor heating members until the floor is poured into the recess.
    The idea of one embodiment is to cast the floor element with cement-based casting compounds.
    The idea of one embodiment is to cast at least the first casting with concrete.
    The idea of one embodiment is to make a first casting using self-compacting concrete and a second casting using formable floor mass. The advantage of self-compacting concrete is that it forms a horizontal surface by itself and does not require heavy vibration and mechanical treatment. In turn, the necessary slanting surfaces and other shapes can be shaped into the formable floor mass by adjusting the layer thickness. The layer thickness can be adjusted, for example, by grinding.
    The idea of one embodiment is to perform another casting using a formable concrete such as floor concrete or so-called concrete. hiertobetonia.
    The idea of one embodiment is to make a second casting using, for example, gypsum-based or polymer-based formable flooring.
    The idea of one embodiment is to provide an adhesive surface for the portion of the recess by roughening the surface of the floor element at the recess before carrying out the second casting. The roughening process ensures that the so-called "dewatering" is carried out in a separate second casting. the casting is mechanically fixed to the top surface of the recess. In other words, at the interface between the first casting and the second casting, mechanical attachment is formed between the two separate structural layers. The time between the separate first casting and the second casting may be long and the surface of the first casting may be cured because the adhesion is based on the mold surface between the casting layers and not on the adherence of the uncured fresh casting masses.
    20175644 prh 04-07-2017
    The idea of one embodiment is to roughen the portion of the cavity when wet, i.e., when the first casting is still completely uncured. The roughening or shaping surface can be made, for example, by rolling the bottom of the recess with a patterned roller or roller, whereby the bottom surface of the recess is provided with a design comprising protrusions and recesses which can be well adhered to the molding compound. Alternatively, the surface can be roughened with a suitable press, template or similar tool.
    After roughening, the top surface of the recess can be said to comprise a non-planar 3D surface. Making roughing or patterning on a still uncured mass is quick and easy.
    The idea of one embodiment is to make the portion of the cavity dry rough, that is, after the first casting has completely cured or at least when the top surface of the cavity has hardened. Dry roughing can be done outside the cast line, for example, by milling or grinding the bottom of the recess before 20 other castings.
    The idea of one embodiment is to provide the recess with a plurality of gripping members before the second casting. This creates a mechanical attachment between the bottom of the recess and the sloping floor. The engaging means 25 may be provided over the entire recess area or alternatively may be provided only in those portions where the layer thickness of the second casting is large enough to cover them.
    The idea of one embodiment is to fit a plurality of gripping members into a mold for the cavity of the recess before the first casting and to cast the first casting so that the gripping members extend above the bottom of the recess. The gripping members are then firmly anchored to the first casting. The gripping members may be made of metal or plastic material. Alternatively, fibers which protrude may be provided at the recess
    20175644 prh 04-07-2017 from the top surface of the recess and act as an adhesive for another casting. The said fibers have the advantage that they are also suitable for applications where the material layer of the second casting is thin. The fibers may be, for example, glass fiber or carbon fiber.
    The idea of one embodiment is to attach separate gripping members to the bottom of the recess before the second casting. The separate fastening means may be, for example, pins which are inserted into the holes of the drill 10 at the bottom of the recess. Further, bump-forming pieces can be attached to the bottom of the recess with a concrete nailer.
    The idea of one embodiment is that the recess of the casting blank is provided with one or more guide elements before the second casting. The control element is intended to facilitate and expedite the design of the floor.
    In other words, the guiding elements are used to determine the slope of the pouring floor towards the floor drain in the second casting. The guide element may be, for example, a wedge-shaped strip that is attached to the bottom of the recess. The upper surface of the guide member 20 indicates the desired elevation and against which the floor tool can be moved during shaping.
    The guide element may be a separate piece to be attached to the bottom of the recess, or alternatively, the guide element may be shaped from the casting mass of the first cast to the bottom of the recess. The guide elements may also be elevations or bumps indicating an elevation. The separate guide elements may be formed, for example, of plastic material and may be attached to the bottom of the recess, for example, by screws or concrete nails. The guide elements 30 may further serve as gripping surfaces for the second casting.
    The idea of one embodiment is to fit the support members at least at the recess to be formed before the first casting. The supporting members may be, for example, a support mesh or a plurality of vertical or transverse support bars of the element pi35. The supporting members, when viewed in the thickness direction of the floor element, are supported so that:
    20175644 prh 04-07-2017 they are located closer to the bottom of the recess to be formed than to the underside of the floor element. Underfloor heating members are attached to said support members and covered with a relatively thin layer of casting mass in the first casting. Thus, after the first casting, the underfloor heating elements are protected by a thin protective casing, so that they are not damaged during the second casting and possible movements and storage. Further, since the floor heating elements are as close as possible to the bottom of the recess, the heat is transferred from them to the upper surface of the bathroom portion. The support members hold the floor heating members firmly in place during the first casting. The support members may be part of the stiffener structure of the floor element or may be additional components with respect to the stiffener structure, which are intended only to fasten and support the floor elements during casting.
    The idea of one embodiment is to cast a plurality of adjacent and elongated lightening portions of the lightweight concrete or equivalent light mass prior to the first casting. In other words, pre-casting is performed prior to the first casting to form the lightening portions. The lightening members are typically formed longitudinally of the floor element and stiffeners are fitted between adjacent lightening members. The stiffeners may be, for example, brush steels, steel braids or the like. Further, support members for supporting and securing the floor heating members may be provided above the lightening members. In the first casting, said lightening members, stiffeners, and underfloor heating members are covered with supporting members 30 or similar casting members.
    The idea of one embodiment is to pre-cast the structural reliefs shown in the previous embodiment before the first casting. In addition, the first casting is a two-step process, first by casting a uniform layer over the entire portion of the floor tile, i.e. both the tile portion and the bathroom portion. Then adjust
    20175644 prh 04-07-2017 A mold to define the bathroom part of the tile part and make a second casting step of the first casting where the tile part is molded to its final thickness. Thus, in this embodiment, there is a pre-casting, a two-stage first casting and a separately performed second casting for the bathroom section only.
    The idea of one embodiment is that the above-mentioned lightening parts are formed only on the tile part of the floor element, i.e. the bathroom part is without these lightening parts.
    The idea of one embodiment is that the relief parts are formed in an alternative to the casting described above, such as extrusion. Further, it may be possible to fit prefabricated lightweight parts made of lightweight concrete, plaster or similar material into the structure.
    The idea of an embodiment is that the floor element is so-called. a solid element that is without lightening. In this case, no lightening elements or lightening cavities are inserted into the first casting, but the mold is completely filled with the casting mass, except for the recess in the bathroom part.
    The idea of one embodiment is that the floor element is a prestressed building component. In this case, a plurality of stiffeners may be fitted to the casting mold before the first casting, at least some of which are biased before the first casting. The prestressing stiffeners may be, for example, steel braids, brush steels or the like. The second casting for the bathroom part is performed only after the prestressing of the stiffeners has been released. Hereby, the second casting is performed on a blank which no longer causes deformation due to the release of the prestress, whereby no load is applied to the joint between the casting and the bottom of the recess. Prestressing is triggered only when there appears to be a firm bond between the first casting mass and the stiffeners, which also means that there is a time difference between the first casting and the second casting.
    20175644 prh 04-07-2017
    The idea of one embodiment is that the tile part is substantially horizontal and its thickness determines the maximum thickness of the floor element. The purpose of the tile part is to form a floor in the building for a dry room. However, the tile part may comprise installations and technical equipment fitted into the first casting, such as wells, electrical cables and pipes.
    The above embodiments and the features disclosed therein may be combined to provide the desired solutions.
    BRIEF DESCRIPTION OF THE DRAWINGS
    Some embodiments of the disclosed solution are shown in more detail in the following figures, in which Figure 1 is a schematic and top plan view of a floor element provided with a bathroom part, Figure 2 is a schematic and Fig. 4 schematically shows the steps of manufacturing a floor element at an prefabricated factory; Fig. 8 schematically shows the shape of a molded surface on the surface of the first casting for the bathroom part, Fig. 9 schematically shows the bath and FIG. 10 schematically illustrates some alternative ways of arranging the gripping members for the bathroom portion.
    20175644 prh 04-07-2017
    For the sake of clarity, some embodiments of the solutions shown are shown in simplified form in the figures. In the figures, the same reference numerals are used to refer to the same elements and features.
    Detailed Description of Some Embodiments
    The floor element 1 shown in Fig. 1 is a load-bearing structure which can be used as a floor element of a building. Hereby, the lower surface of the floor element 1 may form the ceiling of the space below, and the upper surface may form the upper floor of the floor. The floor elements 1 can be several meters long and 1.2 - 4 meters wide, allowing them to quickly assemble the building floor at the site.
    The floor element 1 according to the solution comprises a tile part 2 and a bathroom part 3. The upper surface of the tile part 2 may be a planar surface 15, which may form a base for floors in dry rooms. The bathroom part 3, in turn, is provided with a floor drain 4 and inclined floor surfaces 5 leading therefrom. The floor element 1 may be a concrete element molded using at least two different types of concrete and two separate castings.
    Figure 2 shows a cross-sectional structure of a blank of a floor element 1 at a floor drain 4. Fig. 2 shows the situation after the first casting, in which the preform has a recess 8 in the bathroom part 3 which may have a flat bottom. The floor drain 4 is visible at the bottom of the recess 8 30 and the top of the floor drain 4 may extend above the bottom of the recess. Below the bottom of the recess 8, underfloor heating elements 9 are arranged, such as, for example, pipes or hoses for underfloor heating or alternatively electric heating cables. Floor heating system
    9 may be supported on support members 10. Support members 10 may
    20175644 prh 04-07-2017 uses, for example, a retaining net, support bars or support mat. The supporting members 10, in turn, can be supported on a plurality of lightening members 11 on the bottom side of the floor element 1. The lightening portions 11 may be formed of a lightweight mass of concrete 5, such as lightweight concrete, and may have an arcuate upper portion, between which is formed a high load-bearing portions of cast concrete. Between the lightening members 11 there may be stiffeners 12 parallel to the lightening members 11, such as brush steel or steel braids.
    Fig. 3 shows a poured floor 6 with a sloping floor surface 5 in the recess of the blank of Fig. 14. As seen in Figure 3, the second casting 14 may be without any installation other than the top of the floor drain 4.
    It should be noted that in Figures 2 and 3 and later in Figures 6a to 6g, the lightening portions 11 are exceptionally shown as transverse portions of the floor element 1, although they are typically arranged longitudinally of the floor element 1 as well as hollow spaces 25, for example. Further, it is possible that the bathroom part is completely without the lightening parts and only the tile part is provided with the lightening parts. It is still possible that the bathroom part is made with different lightening parts than the tile part.
    Fig. 4 is a highly simplified illustration of an element factory 15 comprising a casting line 16, a finishing station 17 and a storage station 18. The casting line 16 may have several casting molds 19 in succession waiting for the first casting. The first casting may be performed, for example, by means of a casting machine 20 running along the rails 35. Before draining
    20175644 prh 04-07-2017 Molds 19 are provided with the necessary stiffeners, lightening elements, floor drains, drains, underfloor heating elements and any other installation or technical component that can be fitted in the first casting. In the figure, the casting machine 20 has begun casting the molds on the line from the left edge and has moved to casting the molds on the right edge. During one-day shifts, molds on cast line 16 can be cast and blanks from cast line 16 unloaded for the next 10 days. In Figure 4, the casting line 16 has ten casting molds, but their number may also be greater or smaller. When casting at the end of the casting line 16, the previously casted preforms 21 of the upstream are already cured so that they can be moved to a finishing position 15 17 where a second casting and molding surface design can be made. Alternatively, the blanks 21 may be moved 23 to a storage station 18 where a second casting may be performed at a desired time. The finishing station 17 and the storage station 18 may be provided with casting and metering equipment 24 for casting 20. The prefabricated floor elements are transferred from the 25 element factories 15 to the construction site 26 for installation.
    Alternatively, the second casting may be performed on the casting line 16 when the casting line 16 has a large number of casting molds 19, whereby the first casted blanks are allowed to dry on the casting line 16 and their mold structures can be disassembled before the second casting. The drying of the first cast can be accelerated by raising the ambient temperature and using fast-setting concrete. Once the first casting has sufficiently cured, the formed floor element can be moved away from the casting line without the risk of the floor being damaged or coming off the first casting.
    Figure 5 shows the so-called. a solid slab not having the lightening members shown in Figures 2 and 3, but a floor
    20175644 prh 04-07-2017 The bottom of the tile 1 below the 27 bathroom members 3 has only the 13 masses of the first cast as well as the tile part 2.
    Figures 6a to 6g are shown step by step in the figures
    2 and 3. In Fig. 6a, a plurality of adjacent lightening members 11 are formed on the bottom of the casting mold 19. In Fig. 6b, stiffeners 12 are disposed between the lightening members 11 and further the floor drain 4 is supported on the bottom of the casting mold 19 by a support 28. In addition, the drain pipe 10 7 is secured to the floor drain 4 and supported by oblique supports. The stiffeners 12 can be prestressed by applying a prestressing force F. In FIG. . In Fig. 6d, a mold 30 is fitted to define the recess to be formed. The mold 30 comprises one or more edge portions 20, but may also be a frame-like body comprising a plurality of edge portions attached to one another. In addition to the edge portions, the mold may also comprise a base and, in some cases, a lid. Once the mold 30 is in place, a second step 31 of the first casting is performed on the slab portion as shown in Figure 6e. Hereby, the tile part 2 obtains its final thickness and a planar surface. Thereafter, the first casting is allowed to dry so that the mold 30 can be removed and the casting mold can be moved away from the casting line casting mold 19. Figure 6f shows the casting of a separate second casting 30 into the recess 8. The casting can be performed outside the casting line. In Fig. 6g, a bath floor 6 is formed with a sloping surface 5 on the bathroom part 3. When the bath floor 6 has dried, the floor element 1 is ready to be transported to a building site for installation.
    20175644 prh 04-07-2017
    The blank of the floor element 1 shown in Fig. 7 comprises a plurality of guide elements 33 at the bottom of the recess 8 in the bathroom part 3. The guide elements 33 can indicate the height elevations of the tiled floor to be performed and may also serve as mechanical guide surfaces along which the tool for shaping and grinding concrete can be moved to form the correct tilt angle.
    Figure 8 shows, in a very simplified manner, a roughening 10 34 in the bottom of the bathroom section recess, which may comprise projections 35 and recesses 36. The recess thus has a 3D surface for good adhesion between the individual castings.
    In Figure 9, the roughening 34 comprises a ground or milled surface 36 which also provides good mechanical bonding between the first and second castings.
    In Figure 10, various separate gripping members are attached to the bottom of the recess. The gripping member 37 may be attached to the cavity by means of concrete nails or screws, or alternatively the gripping members 38 and 39 may be fitted to the first casting. Further, fibers 40 may also be provided on the surface of the first casting.
    The figures and the description thereof are intended only to illustrate the idea of the invention. However, the scope of the invention 25 is defined in the claims.
    权利要求:
    Claims (10)
    [1]
    The claims
    A method of making a floor element (1), comprising:
    [2]
    5 a casting floor mold (1) comprising a tile part (2) and a bathroom part (3) is cast from the molding compound;
    at least providing the bathroom part (3) with floor heating means (9);
    providing the bathroom section (3) with a floor drain (4) and 10 with at least one drain pipe (7) associated with the floor drain (4);
    molding the floor element (1) in two molding steps, wherein, after the first molding (13), the bathroom part (3) comprises a recess (8) with respect to the tile part (2), and wherein the second molding (14) is made in said recess (θ); and forming by means of a second casting (14) on the bathroom part (3) a pouring floor (6) comprising at least one portion inclined towards the floor drain (4);
    20 characterized in that the floor heating elements (9) of the bathroom part (3) are fitted to the casting mold (19) before the first casting (13);
    covering said underfloor heating members (9) at least partially with the casting mass in the first casting (13); and
    25, a second casting (14) is performed on the recess (8) in a separate step with respect to the first casting (13), wherein the casting of the floor element (1) is suspended between the first casting (13) and the second casting (14).
    Method according to Claim 1, characterized in that the first casting (13) is carried out at the first casting site and the second casting (14) is carried out at the second casting site.
    Method according to claim 1 or 2, characterized in that
    20175644 prh 04-07-2017 The second casting (14) is made in the recess (8) in a separate step only after the first casting (13) has cured.
    Method according to one of the preceding claims 1 to 3, characterized in that the floor heating elements (9) are completely covered by the casting mass in the first casting (13); and making a second casting (14) in the cavity (8) without the installation of the casting material other than the floor drain (4).
    A method according to any one of claims 1 to 4, characterized in that
    15 a first casting (13) is performed using self-compacting concrete and a second casting (14) using a formable floor mass.
    [3]
    Method according to one of the preceding claims 1 to 5, characterized in that an adhesive surface (34) is formed on the portion of the recess (8) by roughening the surface of the floor element (1) at the recess (8) before performing the second casting (14).
    25
    [4]
    Method according to one of the preceding claims 1 to 6, characterized in that a recess (
    [5]
    8) a plurality of gripping members (37, 38, 39, 40) prior to the second casting (14).
    Method according to one of the preceding claims 1 to 7, characterized in that the recess (8) is provided with at least one guide element (33) before the second casting (14); and utilizing a guide element (33) to determine the inclination of the pouring floor (6) towards the floor drain (4) in the second casting (14).
    20175644 prh 04-07-2017
    [6]
    A method according to any one of claims 1 to 8, characterized in that, before the first casting (13), the supporting members (10) are fitted to the mold (19) at least at the recess (8) to be formed;
    supporting the support members (10) in the direction of the thickness of the floor element (1) so that they are closer to the bottom of the recess (8) to be formed than the floor 10 of the element (1);
    attaching the floor heating elements (9) to said support members (10); and covering the floor heating members (9) with a thin layer of concrete in the first casting (13), wherein the floor heating members (9) are protected under a thin concrete shell.
    [7]
    Method according to one of the preceding claims 1 to 9, characterized in that a plurality of adjacent and elongated lightening members (11) are formed in the casting mold (19) before the first 20 casting (13);
    arranging stiffeners (12) between adjacent lightening portions (11);
    fitting a support member 25 meters (10) above the lightening members (11);
    supporting the floor heating means (9) with said support means (10); and covering the lightening members (11), stiffeners (12), supporting members (10) and underfloor heating members (9) in the first casting (13) with concrete.
    [8]
    A method according to any one of claims 1 to 10, characterized in that
    20175644 prh 04-07-2017 inserting a plurality of stiffeners (12) into the casting mold (19) before the first casting (13) and biasing (F) at least a portion of said stiffeners (12) before the first casting (13); and
    5 releasing the prestress (F) of the stiffeners (12) before the second casting (14).
    [9]
    A process according to any one of claims 1 to 11, characterized in that
    10 casting the first casting (13) on the casting line (16) of the element factory (15); and casting a second casting (14) at the finishing section (17) of the element factory (15) or at the storage site (18) separate from the casting line (16).
    [10]
    A floor element (1) which is at least mainly made of concrete and comprises:
    a tile part (2), a bathroom part (3) with a floor drain (4) and
    20 having an upper surface comprising a pouring floor (6) having at least one inclined surface facing the floor drain (5);
    floor heating means (9) at least at the bathroom part (3);
    and wherein the bathroom part (3) is molded in two stages of pouring, comprising a bottom part made in the first molding (13) and a pouring molding in the second molding (14);
    characterized in that the floor heating elements (9) are located in the bottom part of the floor element 30 (1); and that there is a 5 to 10 mm thick layer of concrete between the top surfaces of the floor heating means (9) and the top surface of the base member (13).
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    同族专利:
    公开号 | 公开日
    FI127855B|2019-04-15|
    FI20175644A|2019-01-05|
    引用文献:
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    法律状态:
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