Classifications

• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
  • E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
  • E04C1/397—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra serving for locating conduits
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F13/00—Coverings or linings, e.g. for walls or ceilings
  • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
  • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
  • E04F13/074—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements for accommodating service installations or utility lines, e.g. heating conduits, electrical lines, lighting devices or service outlets
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
  • E04C1/00—Building elements of block or other shape for the construction of parts of buildings
  • E04C1/39—Building elements of block or other shape for the construction of parts of buildings characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
• • E—FIXED CONSTRUCTIONS
  • E04—BUILDING
  • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
  • E04F17/00—Vertical ducts; Channels, e.g. for drainage
  • E04F17/08—Vertical ducts; Channels, e.g. for drainage for receiving utility lines, e.g. cables, pipes
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/02—Details
  • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
  • H02G3/0406—Details thereof
  • H02G3/0418—Covers or lids; Their fastenings
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/02—Details
  • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
  • H02G3/0437—Channels
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/02—Details
  • H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
  • H02G3/0462—Tubings, i.e. having a closed section
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/02—Details
  • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
  • H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/26—Installations of cables, lines, or separate protective tubing therefor directly on or in walls, ceilings, or floors
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/36—Installations of cables or lines in walls, floors or ceilings
  • H02G3/38—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts
  • H02G3/40—Installations of cables or lines in walls, floors or ceilings the cables or lines being installed in preestablished conduits or ducts using separate protective tubing in the conduits or ducts

Definitions

• the present invention relates to a surface-installed building- services unit, which includes
• a cover component arranged to be attached to the body component in order to close the building- services unit
• the invention also relates to a building-services unit system, a method for manufacturing a building-services unit, and the use. of a building-services unit.
• Traditionally the domestic water and electrical lines of buildings are installed in new buildings inside the walls. The pipes are then invisible to the user of the building and the internal accommodation of the building is aesthetically of a high quality.
• the life cycle of domestic water and electrical lines is considerably shorter than the total life of the building. Thus, at some point in the building's life the domestic water and electrical lines should be renewed. From the point of viewing of renewing the lines, installation inside the walls is problematic, for the lines can be reached only by demolishing the wall structures.
• the invention is intended to create a building-services unit, which is simpler to manufacture and install at its point of use than building-services units according to the prior art.
• the characteristic features of the building-services unit according to the invention are stated in the accompanying Claim 1.
• the invention is also intended to create a building-services-unit system, through which building-services units can be connected simply.
• the characteristic features of the system according to the invention are stated in the accompanying Claim 10.
• the invention is, in addition, intended to create a method for manufacturing a building-services unit, with the aid of which method the building-services unit can be manufactured simply.
• the characteristic features of the method according to the invention are stated in the accompanying Claim 13.
• the intention of the building-services unit according to the invention can be achieved by means of a building-services unit, which includes a body component, a cover component arranged to be attached to the body component to close the building- services unit, and inside which bui ldi ng- s e rvi ce s unit elongated pieces can be fitted.
• the cover component of the building-services unit includes edge bends in the longitudinal direction of the building-services unit, stiffening shaping is arranged between the edge bends, and the building-services unit includes magnetic fastening to attach the cover component to the body component, which, when the building-services unit is assembled, is in connection with at least one of the edge bends.
• the attachment of the cover component to the body component can be performed simply and quickly, without rivetting or other mechanical attachment.
• the attachment of the cover component ensured by magnetic fastening, is also easy to close and open.
• the magnetic fastening being arranged in connection with an edge bend ensures that the edge bend remains in place behind the body component.
• the stiffening shaping facilitates the installation of the cover component. Thanks to the stiffening shaping, deformations occurring in the cover component during installation will remain controllable and the cover can be easily set in place. For their part, the edge bends also stiffen the cover component.
• the basic cross-section of the building-services unit can be, for example, a rectangle, stated more generally, angular.
• the body and cover components of the unit can then be formed of, for example, two planar components at right angles to each other. In the corner between the planar components there can be stiffening shaping, at least in the cover component.
• the unit can be divided into a body and cover component along, for example, the diagonal of its cross-section. It will then be easy to install, for example, against the wall in the corners of rooms and corridors.
• the base cross-sections of the body component and the cover component can be symmetrical in shape.
• the symmetrical pieces can be manufactured using the same devices and the shapes will be simple to make.
• the edge bends of the cover component permit it to be locked behind the body component when assembling the building-services unit.
• the edge bends of the cover component then remain between the building-services unit and, for example, the structure of the building.
• the cover component is tensioned on top of the body component.
• the edge bends are arranged parallel to the planar parts belonging to the body component and extend partly on top of the planar parts. The locking of the cover component is ensured with the aid of the edge bends.
• attachment means in the body component which can includes at least one rail attachment with at least one attachment element.
• the location of an elongated piece to be installed inside the building-services unit can be altered, for example steplessly, in at least one direction inside the unit.
• the distance between elongated pieces such as, for example cold and hot-water pipes, can, if necessary be adjusted to be as large as required, so that heat transfer will not become excessive.
• the rail attachment also permits adjustment of the pieces in the depth direction.
• stepless adjustment permits the easy installation of pipe of different sizes inside the building-services unit.
• At the edges of the body component or correspondingly also of the cover component there can be counter-surfaces for magnetic fastening.
• the counter-surfaces fitted to the body component can be formed of bends parallel to the planar parts of the cover component next to the magnetic fastening. These bends act as counter-surfaces for the magnets of the magnetic fastenings, locking the cover component in place. Because the bends are parallel to the planar parts belonging to the cover component, they extend partly into the area of their inner surface.
• the magnetic fastening can be formed of at least one formation formed of a magnetic strip, in which there is an adhesive surface for attaching the magnetic strip.
• the magnetic strip can be easily attached to the building-services unit, without rivetting or similar mechanical attachments.
• the magnetic strip can be fitted to the cover component or equally to the body component. Installed in the cover component or body component, the magnetic strip is easy to replace if required, without detaching the entire building- services unit from the structure of the building.
• the building-services unit can have a basic cross-section that it is also, for example, semicircular.
• the cover component of the unit can be mainly curved and the body component mainly planar.
• there can be a recess in the body component so that the building-services unit can be installed, for example, on a stairway column.
• a second semicircular building- services unit can be installed, when the units will together form a circle.
• the system includes at least two building-services units according to the invention, which can be joined together by means of a butt joint.
• the system can also include a magnetic attachment joint strip. It is fitted to the butt joint to cover the joint between the building-services units. The combining of building- services units by such a system is easy and quick and the joints between the building-services units can be covered without effort.
• the intention of the method according to the invention can be achieved by means of a method for manufacturing building- services units, in which method the body component and cover component of the building-services unit are formed by bending them ' from thin sheet metal, stiffening shaping and at least one edge bend are formed in the cover component and magnetic fastening is arranged between the body component and the cover component.
• the building services unit can be used, for example, in new building, or in building renovation. By means of the unit, an aesthetically whole totality is achieved, particularly if the building-services units remain visible in corridors and rooms.
• the building-services unit according to the invention is cheap to manufacture and extremely simple to install in buildings, for example, as a surface installation.
• the advantage of surface installations is that they do not require changes to the structures of the building, as recessed installations do.
• Thanks to the magnetic fastening, opening and closing the building-services unit is easy, nor does it require special tools.
• the building-services unit also remains firmly closed and its opening, for example, manually is difficult.
• the magnetic fastening and edge bends permit an aesthetically first-class structure, which can be implemented, for example, without rivets or similar attachment elements that remain visible.
• Figure la shows an end view of one example of the building-services unit, when the building- services unit is open
• Figure lb shows an end view of the building-services unit of Figure la, when it is closed
• Figure 2a shows an axonometric view of the building- services unit of Figure la, when it is open
• Figure 2b shows an axonometric view of the building- services unit of Figure la, when it is closed
• Figures 3a show in stages axonometric end views of an example of the building-services-unit system connected when connecting the units to each other,
• Figure 4a shows an end view of another embodiment of the b u i 1 d i ng - s e r v i ce s unit, when the building-services unit is closed,
• Figure shows a top view of the rail attachment applied in Figure 4a
• Figure shows an end view of a third embodiment of the bu i 1 d i n g - s e r v i c e s unit, when the building-services unit is closed,
• Figure 6 shows an end view of a fourth embodiment of the bu i 1 d i n g - s e r v i c e s unit, when the building-services unit is open,
• Figure 7 shows a fifth embodiment of the building- services unit, when it is open.
• Figure 8 shows two building-services units of Figure
• FIGS la and lb show end views of one embodiment of the building-services unit 10.
• the unit 10 is shown when open and in Figure lb when closed, i.e. assembled.
• the building-services unit 10 can equally also be called a routing unit, a duct unit, or a pipe-installation unit.
• the building- services unit 10 includes a body component 12 and a cover 5 component 16 attached to it for closing the building-services unit 10. Together these form a space 50 that is open at its ends 52 ( Figures 3a - 3c) to another building-services unit 10 and is closed at its sides.
• Elongated pieces 14 can be fitted inside the space 50 and thus also the building-services unit 10 10.
• the term elongated piece 14 refers to, for example, domestic-water pipes, electric cables, or other elongated conductor pieces belonging to building services, which should be led from one place to another in a building.
• the body component 12 and cover component 16 of the unit 10 are formed of planar parts 18, between which there is a corner part 48.
• the planes 18 in the body component 12 and the cover component 16 are at right angles to each other.
• planar parts 18 is a corner part 48, which can be at an angle of 45° to each planar part 18.
• corner part 48 in the corner of the body component 12 and the cover component 16 is formed an empty space in the longitudinal direction of the building-services unit 10. The space permits the use of the building-services
• corner part 48 also stiffens the unit 10, i.e. more generally acts as a stiffening shaping 15.
• the body component 12 includes bends 28 made in the opposite edge of the planar parts 18 relative to the corner part 48, which can be parallel to the planar parts 18 of the cover component 16.
• the body component 12 is intended for attaching the building-services unit 10, for example, to the structure
• the body component 12 includes attachment counter-pieces 44, which can be, for example, collars with an internal thread. With the aid of the attachment counter-pieces 44, which are still free of elongated pieces, the body component 12 can be attached to, for example, a wall with the aid of bolts (not shown) .
• the attachment counter-pieces 44 can also be used to attach the elongated pieces 14 inside the building-services unit.
• a threaded rod, at the end of which is a collar 42, which is tightened around the elongated piece 14, can also be used to attach the elongated pieces 14.
• the elongated piece 14 is a water pipe 70, which is insulated with insulation 40, for example, mineral-wool insulation.
• the cover component 16 can, for its part, include edge bends 20 arranged at its edges parallel to the longitudinal direction L of the building-services unit 10.
• the edge bends 20 can be narrower than the bends 28 of the body component 12.
• the edge bends 20 are parallel to the planar parts 18 of the body component 12.
• the cover component 16 can be slightly wider than the body component 12 and also slightly deeper than the body component 12.
• the edge bends 20 of the cover component 16 hold the body component 12 between them, causing a small degree of tension in the cover component 16.
• the cover component 16 can be locked behind the body component 12.
• the edge bends 20 are turned in the direction of the interior of the cover component 16.
• the stiffening shaping 15, which is also parallel to the longitudinal direction L of the unit 10, is arranged between the edge bends 20.
• the building-services unit 10 also includes magnetic fastening 30.
• the magnetic fastening 30 By means of the magnetic fastening 30, it is ensured that the body component 12 and the cover component 16 will be attached to each other.
• the magnetic fastening 30 By means of 5 the magnetic fastening 30, it is possible to ensure that the edge bends 20 of the cover component 16 will remain behind the body component 12 and thus that the cover component 16 will remain in place.
• the magnetic fastening 30 pulls the planar parts 18 of the cover component 16 tightly onto the body
• the magnetic fastening 30 is in connection with the bend 20
• the magnetic fastening 30 also ensures that the cover component 16 remains in place when the unit 10 is, for example, installed vertically.
• the magnetic fastening 30 between the cover 16 and the body 12 prevents the cover component 16 from slipping down.
• magnetic fastening 30 can be in connection with at least one of the edge
• the magnetic fastening 30 is arranged in connection with both edge bends 20.
• the magnetic fastening 30 is in connection with the edge bends 20,
• cover component 16 would be separate from the body component 12, as in this case the means 32 for achieving magnetic fastening 30 are attached to the cover component 16.
• the magnetic fastening 35 30 is arranged on the diagonal 80 of the cross-section of the building-services unit 10. The attachment forces are then directed in two directions, holding the cover component 16 firmly in place.
• the magnetic strip 32 belonging to the magnetic fastening 30 is attached by an adhesive surface 34 to the cover component 16.
• the magnetic strip 32 is attached to the internal surface of the planar part 18 of the cover component 16, close to the edge of the planar part 18, which follows the edge bend 20. In this location, the magnetic strip 32 is aligned with the bend 28 of the body component 12, which forms a counter-surface for the magnetic strip 32 when the unit 10 is assembled.
• the magnetic fastening 30 is arranged to be achieved by means 32, which are arranged in connection with at least one edge of the body component 12 and/or the cover component 16, so that the magnetic fastening 30 is between the surfaces of the body component 12 and the cover component 16 to be set against each other when the building-services unit 10 is assembled.
• a counter-surface 28 for the magnetic fastening 30 is arranged in at least one edge of the body component 12 and/or the cover component 16.
• the body component 12 and the cover component 16 both form an L-shape structure.
• the building-services unit 10 is divided in the body component 12 and the cover component 16 at the diagonal 80 of its cross-section.
• the body component 12 and the cover component 16 can have symmetrical shapes, with only one being slightly smaller than the other in order to fit inside it.
• the structure of the building- services unit 10 according to the invention can also be implemented in the opposite way, i.e. so that the body component 12 is slightly larger than the cover component 16.
• the magnetic strips 32 of the magnetic fastening 30 can also be attached to the body component 12.
• Figure 2a shows an axonometric view of the structure of the building-services unit 10 shown in Figure lb, with the cover component 16 separated from the body component 12.
• the magnetic strips 32 can be the full length of the cover component 16, but they can also be shorter lengths, which form a discontinuous structure.
• the magnetic strips 32 can also be at the locations between the edge bends 20 of the cover component 16 and the planar part 18 of the body component 12. Relative to the corner part 48, the magnetic strip 32 is in the opposite edge of at least one planar part 18.
• the location of the other magnetic strip can have some kind of gripping means or similar, by means of which the attachment of the edge of the other planar part to the body component 12 can also be ensured.
• the edge bend 20 can act as such.
• the cover component 16 is attached on top of the body component 12.
• the body component 12 and the cover component 16 can be manufactured of, for example, 0.4 - 2-mm thick, and more particularly of 0.8 - 1.2 -mm thick thin metal sheet.
• the thin metal sheet can be of a galvanized or similarly surface-treated metal material, which is durable in use.
• At least the component with the larger dimensions, whether it is the body component or the cover component, is of such a material that it flexes slightly in the transverse direction of the bui lding- services unit.
• the larger component can be flexible, so that it can be bent on top of the smaller component.
• Other materials can also be used in the manufacture of the building-services unit, provided they are sufficiently flexible and withstand bending.
• Figures 3a - 3c show one example of the system according to the invention. It includes at least two building-services units 10 according to the invention, which are joined to each other by means of a butt joint 36.
• the system can also include a magnetically attached joint strip 38, which is fitted to the butt joint 36 to cover the joint between the building- services units 10.
• Figure 3a shows two building-services units 10, which it is wished to joint to each other.
• the full-length building-services units can be, for example, 2500 - 2600-mm long.
• the elongated pieces inside the building-services units can be continuous, or, according to the figure, cut to the length of the building-services units 10.
• the building-services units 10 are joined to each other by a butt joints 36, i.e. by pushing the ends 52 of the building-services units 10 against each other.
• the water pipes for example, which are inside the building-services units, can be joined to each other.
• this can also be done after the units have been joined together.
• a magnetically fastened joint strip 38 is placed on top of the butt joint 36.
• the joint strip 38 can have a similar structure to the cover component 16 of the building-services unit 10, but is only slightly larger in dimension, so that it will also fit on top of the cover component 16 of the building-services unit 10.
• the width of the joint strip can be, for example, 30 - 100 mm, more particularly 40 - 60 mm.
• In the joint strip there can also be magnetic fastening 30 formed of magnetic strips 32, edge bends 20, and stiffening shaping 48. Two joint strips can also be placed on one butt joint, so that they will cover the butt joint around the building-services unit.
• the purpose of the edge bends 20 of the cover component 16 is to remain, when installed, between the body part 12 of the building-services unit 10 and the structure 100 of the building, for example a wall, when the cover component 16 will lock on top of the body component 12.
• the edge bends 20 of the cover component 16 are arranged to lie behind the body component 12 when the building- services unit 10 is installed in its installation location 100.
• the attachment of the building-services units can be left slightly free of the structure of the building, so that the cover component can be put in place. Once the cover component is in place, the attachment to the structure of the building is tightened, when the edge bends 20 remain 'caught' between the structure 100 of the building and the body component 12.
• FIG. 4a shows a second embodiment of the building-services unit 10.
• Attachment means 22 fitted to the unit 10 are now used for the attachment of an elongated piece 14.
• the attachment means 22 include at least one rail attachment element 24 with at least one attachment 26. With the aid of these, the location of the elongated piece 14 to be installed is arranged to be altered steplessly in at least one direction.
• the rail attachment element 24 can be attached to the body component 12 with the aid of attachment counter-pieces 44. By means of the rail attachment element 24 the distance of the piece 14 from the body component 12 can be adjusted as desired .
• the rail attachment element 24 can be, for example, a rail, in which there is a groove 62 parallel to the transverse direction of the building-services unit and an empty space 56 ( Figure 4a), in which the attachment 26 can move.
• the attachment 26 is supported on the rail attachment element 24 with the aid of washers 60.
• Several attachments 26 can be installed on a single rail attachment element 24, according to Figure 4b, for example two.
• the base of the rail attachment element 24 can include openings 58 for attaching the rail attachment element 24 to the body component 12 of the building-services unit, for example with the aid of screws. It should be noted, that a rail attachment element 24 of this kind can also be used equally in the embodiments shown by the other figures .
• Figure 2b shows an example relating to the dimensions of the unit 10.
• the length L of the building-services unit according to the invention can be, for example, 100 - 4000 mm, more particularly 1500 - 2600 mm.
• the width W can be, for example, 150 - 1000 mm, more particularly 250 - 600 mm.
• the depth D for its part, can be, for example, 50 - 400 mm, more particularly 100 - 250 mm.
• the dimensions of the building-services unit according to the invention can, however, vary considerably according to the dimensions of the installation site.
• One application can be to offer for sale standard-length units 10, which can then be sawn at the installation site into units of the desired lengths.
• the building-services unit according to the invention can be manufactured, for example, without insulating mineral wool, if it is to be used in surface installations.
• the building-services unit is installed against a floor, ceiling, or wall, which is compartmentalized. In that case, there may be no need for insulating mineral wall inside the unit 10.
• the body component 12 can also include an internal partition. It can be used, for example, to separate water lines and electric cables from each other.
• the internal partition can be manufactured in such a way that the same cover component 16 still cover the entire body component 12.
• a second body component 12 can be attached to the side of the body component 12, according to Figure 5.
• the second body component 12 is attached to the bend 28 of the first body component 12.
• An insulating material layer 40' by means of which the division of the building-services 5 unit 10 is made effective, is attached to the planar part 18 that is perpendicular relative to the planar part 18 intended for attaching elongated pieces 14 to the second body component 12.
• he elongated piece 14 in the left-hand side body component 12 in Figure 5 is a water pipe 70, whereas the elongated piece
• stud 45 for example, can be used to attach the body components 12 to each other.
• Figure 6 shows an end view of a fourth embodiment of the building-services unit 10, the components 12, 16 of the 0 building-services unit 10 being separate from each other.
• the unit 10 according to this embodiment can be installed, for example, in the middle of a wall.
• the cover component 16 closes the unit 10 on three sides.
• the stiffening shaping 15 of the cover component 16 includes two stiffening 5 corners 48 between the planar parts 18. Otherwise, the reference numbering corresponds to that above ( Figure la) .
• Figure 2b shows references to the dimensions L, , and D of the unit 10, relative to its principal directions.
• the amount of the stiffening shaping 15 in both directions W and D can be, for example, 15 mm.
• the amount of the stiffening shaping 15 can 5 be, for example 30 mm in both directions W and D.
• a stiffening shaping having too large dimensions and angle will stiffen the unit 10 excessively and make it difficult to install and also to remove the cover component 16.
• the stiffening shaping 15 facilitates placing the cover component 16 on top of the body component 12.
• the 5 stiffening shaping 15 keeps the unit 10 sufficiently stiff when it is installed on top of the body component 12.
• the stiffening shaping 15 prevents uncontrollable deformations from occurring in the cover component 16, for example, when spreading it to place the edge bends 20 behind the body component 12.
• Corner units for example at an angle of 45 degrees, can also be implemented using the principle according to the invention.
• the magnetic fastening 30 can be arranged between the body component 12 and the cover component 16.
• the cover component 16 and the body component 12 can be attached to each other with its aid.
• the body component 12 and the cover component 16 are only bent from thin sheet-metal pieces and holes can be drilled in the body component 12 for the attachment counter-pieces 44. After that, the magnetic fastening 32 is glued to the building-services unit 10, after
• the basic cross-sections of the embodiments of the building- services unit 10 described above have been mainly angular and more particularly rectangular.
• the stiffening shaping 35 15 has been arranged in the corners 48 of the body component 12 and/or the cover component 16, so that it is between the planar parts 18.
• Figure 7 shows yet another embodiment of the unit 10.
• the basic cross-section of the building-services unit 10 is semicircular.
• stiffening shaping 15 is arranged between the edge bends 20 of the cover component 16.
• the curved shape of the cover component 16 then forms the stiffening shaping 15.
• the stiffening shaping 15 can be implemented in several different ways.
• edge bends 20 in both edges of the cover component 16 in the longitudinal direction L of the unit 10.
• a recess 17 in the middle of the body component 12 is a recess 17, the purpose of which will be revealed shortly.
• bends 28 on the outwardly-facing surface of which a magnetic strip 32 can be glued.
• Figure 8 shows one practical application, which can be implemented by means of a semicircular ly shaped unit 10 according to Figure 7.
• the building- services-unit system can include at least two semicircularly shaped building-services units 10, which can be fitted in the installation site 100 with their body components 12 opposite each other.
• the recesses 17 of the body components 12 can now both receive a column structure 100, for example, in a stairway column, which then remains inside the system formed by the units 10.
• the units 10 can also be attached directly to each other, without the column 100 described being between them. Because the magnetic strips 32 are now glued to the bends 28 of the body components 12, they lie against the internal surface of the cover component 16 next to the edge bends 20, thus attaching the cover component 16 to the body component 12.
• the edge bends 20 of the cover component 16 remain inside the structure thus formed, now between the body components 12.
• the building-services unit according to the invention can be used equally well in new building and also in building renovations. In these, new pipes and cables are often installed as surface installations, on account of the labouriousness of changing the old pipes.

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• Engineering & Computer Science (AREA)
• Architecture (AREA)
• Civil Engineering (AREA)
• Structural Engineering (AREA)
• Finishing Walls (AREA)
• Supports For Pipes And Cables (AREA)

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