DE202022101653U1 - spacers - Google Patents

Abstract

Spacers (1, 1', 1") with a bottom wall element (7) which is longer in its longitudinal direction than its transverse direction, a first side wall element (8a) delimiting the bottom wall element (7) in its transverse direction and which is essentially vertical in the height direction from protrudes from the bottom wall element (7), and a second side wall element (8b) which delimits the bottom wall element (7) in its transverse direction and protrudes essentially perpendicularly from the bottom wall element (7) in the height direction, the first and second side wall elements (8a, 8b) hold the bottom wall element (7) between them,
and the first and second side wall elements (8a, 8b) each have a distal, continuous boundary edge that extends in the longitudinal direction and is essentially offset-free in the height direction, which is designed as a standing section on which the spacer (1, 1', 1'') can stand so that an upper surface of the bottom wall member (7) provided on the opposite side, opposite to the side from which the first and second side wall members (8a, 8b) protrude, is provided as a reinforcing member laying surface for spacing the reinforcing member to a base area on which the stand section can be placed,
characterized in that
the first and/or second side wall element (8a, 8b) has support arms (6a, 6b) which are arranged one behind the other in the longitudinal direction and protrude from the bottom wall element (7) in the vertical direction, and
that the stand section is formed by distal ends (19) of the support arms (6a, 6b) of one of the respective side wall elements (8a, 8b) and the distal ends (19) of these support arms (6a, 6b) connecting connecting sections (9a, 9b),
wherein the first and/or second side wall element (8a, 8b) is configured such that when a further spacer (1', 1'') with the same configuration is stacked on the spacer (1) as the respective side wall element (8a, 8b ) associated support arms (6a, 6b) of the two spacers (1, 1') which extend in the vertical direction of the respective spacer (1, 1') are arranged in alignment one behind the other in the longitudinal direction.

Description

The present invention relates to a spacer which is suitable for ensuring that a distance between a reinforcement and a wall, ceiling or floor surface is maintained before and/or during concreting. Various variants of such spacers are known in the prior art. Exemplary variants are shown schematically in 1 shown.

So-called surface spacers have an elongate strand-like shape. Two different types of it are in 1 denoted by reference numerals 100a and 100b. So-called ring spacers, which are in 1 denoted by reference numeral 200a are known. Such a ring spacer 200a is placed around a reinforcing bar 2 of a reinforcing mesh 3 and is used in particular to ensure a spacing in the vertical direction, as shown in FIG 1 , shown used. In this figure, reference numeral 4 designates a formwork. With respect to this formwork 4, the reinforcing grids 3 are to be spaced at a predetermined distance and then poured into the concrete 5 to form a wall or a ceiling or a floor.

In the case of the so-called surface spacers, there are, for example, two types in the prior art. On the one hand, the type that is denoted by reference numeral 100a and rests directly on the formwork 4. For this purpose, support arms 600 are provided one behind the other in the longitudinal direction of the strand-shaped spacer 100a, which stand on the formwork 4 . At the top, this spacer 100a has a bottom wall element 700 from which the support arms 600 extend downward (in the direction in 1 ) protrude.

The reinforcement grids 3 come to lie on the planar bottom wall element 700 . Several such spacers 100a are arranged in a row next to each other and with their longitudinal direction parallel to one another in order to provide a predetermined distance between the reinforcement grid 3 and the outer surfaces of the future concrete wall/ceiling/floor.

The second type is in 1 denoted by reference numeral 100b. This is used when the concrete is poured directly onto, for example, an insulating board 900 which is relatively soft.

If the spacers of type 100a were used, their support feet would sink into the relatively soft insulation material due to the small cross-sectional area of the support arm bases and a predetermined distance to the outer surfaces of the future concrete wall/ceiling/floor could not be achieved.

For this reason, a variant is selected here, for example, in which the base wall element 700 rests on the insulating panel 900 and the side wall elements 800 carried by the base wall element 700 are essentially formed by elongated strips that form an essentially offset-free boundary edge that forms the standing section. The standing section is called the standing section because the spacer can also be used upside down by 180°. In the latter case, the reinforcement grid 3 lies on the planar base wall element 700. In the case shown, the reinforcement grid 3 lies on the boundary edges of the adjacent stand sections. Since the area of the standing portion is formed by the boundary edge, which is larger than the support arm footprint of the support arms of the spacer 100a, it is prevented from sinking into the insulating board 900 when the spacer is turned upside down to the situation in FIG 1 is placed on the insulation board 900.

Other known spacers according to the variants 100a and 100b described above are in 2 and 3 shown.

2 shows a variant 100b' corresponding to variant 100b. A bottom wall element 700 is also provided here, from which two side wall elements 800 protrude on both sides, so that a substantially U-shaped cross section is formed. Both the bottom wall element 700 and the side wall elements 800 are provided with openings in order to save material and weight.

the inside 2 The spacer shown can be placed on a soft material both with the bottom wall surface 700 and with the boundary edges of the side wall elements 800 which form the standing section. The reinforcement grid 3 then comes to rest on the corresponding other side on which the spacer does not stand up.

3 shows one in the utility model DE 20 2011 103 181 U1 described embodiment of a spacer 100a '. Variant 100a' corresponds to variant 100a in 1 . In this spacer 100b, support arms 600 protrude alternately from the bottom wall element 700 on the different sides. The support arms have a relatively small support arm footprint and thus sink into a soft insulating material.

Advantage at the in 3 illustrated embodiment is the stackability. The spacer 100a' is designed such that spacers with the same geometry as this spacer can be stacked one on top of the other, as in FIG utility model DE 20 2011 103 181 U1 is described. Specifically, the distal end of the support arm engages one on the in 3 stacked spacers (not shown) having the same geometry as this spacer shown into the recess formed by the support arms 600 protruding from the side wall of the floor forest element 700.

In each case, the fourth spacer stacked on top of one another corresponds in its position in the longitudinal direction to the first (bottom) spacer. This means that when corresponding spacers are stacked, two support arms, one each from different spacers, always engage in the recess between two support arms 600 that are adjacent in the longitudinal direction.

However, in the variant of the spacers 100b and 100b', which essentially have a U-shaped configuration with a continuous, essentially offset-free boundary edge, which is designed as a standing section, there is the problem that these spacers cannot be stacked so well.

Proceeding from this, it is the object of the present invention to specify a spacer that can be used well in conjunction with soft insulating boards and does not sink in or only sinks insignificantly, but at the same time has good stackability.

To solve this problem, a spacer with the features of claim 1 is specified. Further advantageous developments are defined in the dependent claims.

In particular, the spacer according to the invention is characterized in that at least one of the first and/or second side wall elements has support arms arranged one behind the other in the longitudinal direction and protruding from the bottom wall element in the height direction; preferably, each of the two side wall elements is constructed identically. The support arms each have distal ends. These are provided on the distal side with respect to the ends which attach to the bottom wall member. So-called connecting portions are provided between respective distal ends of adjacent support arms within the side wall member. Together with the distal ends of the adjacent arms, these connecting sections then form the continuous boundary edge, which is essentially offset-free in the height direction and is designed as a standing section.

In addition, the first and/or second side wall element is configured such that when a further spacer with the same configuration is stacked on the (first) spacer, support arms of different spacers extend in the height direction of the respective spacer. are arranged in alignment one behind the other in the longitudinal direction. This means that if you look at the spacer from the front in the longitudinal direction, essentially the foremost support arms delimiting a spacer are visible and the support arms of the stacked further spacers are only visible to the extent that they protrude beyond the spacer located below in the height direction of the spacer.

Each support arm itself can have a larger cross-sectional area (seen perpendicularly to the height direction/direction of extension) than each of the connecting sections individually in the same cross-sectional direction.

This configuration makes it possible to provide a spacer that can be used in conjunction with insulation panels and at the same time can be securely stacked. Such a configuration can, for example, withstand a point load of 100 kg.

According to a further development of the invention, the spacer is configured in such a way that when stacked with other spacers of the same configuration, the third, fourth, fifth or sixth spacer, viewed from a plan view of the surface side of the bottom wall element (in the longitudinal direction), is in the same position as the first bottom spacer takes. Thus, not only is any stackability beneficial, but the spacer stackability exhibits a repeating pattern. This means that after the second, or alternatively the third, or alternatively the fourth or alternatively the fifth spacer, the stacking sequence starts again from the beginning. In particular, it has turned out to be favorable that the fourth spacer stacked over the first spacer again assumes the same position in the longitudinal direction as the bottom first spacer.

Furthermore, it is favorable for the spacer to have a recess in a plan view of the surface side of the base wall element. This recess seen from above is formed by a transverse delimiting surface delimiting the base element in the transverse direction and between support arms of the same side wall element that are adjacent in the longitudinal direction. Both the first and second sidewall members may be so configured.

When stacking another spacer with the support arms first on the bottom wall element of the first spacer, for example the upper side surface of the bottom wall element of the first spacer lies substantially against a lower side surface of the further spacer of the bottom wall element stacked over the first spacer. The top surface of a bottom wall element lies on the side opposite to the side into which the support arms project. When the additional spacer is stacked on top of the first spacer, the corresponding support arms of the additional spacer are inserted from above into the recess(es) of the first spacer. The support arms have corresponding longitudinal boundary walls. These are the walls of the support arms that delimit the support arms in the longitudinal direction of the spacer. The respective longitudinal boundary walls of adjacent support arms of different and stacked spacers substantially abut and directly face each other. The configuration described above results in a very compact stacking sequence.

The spacer can be configured such that, when the top surface of the bottom wall element is viewed from above, the support arms extending in the viewing direction protrude laterally from the transverse boundary surface of the bottom wall element which outwardly delimits the spacer. Thus, the spacer has a generally ant-like configuration in which the support arms extend laterally downward from the floor member.

According to a development of the invention, the connecting sections are designed as planar ribs. Each planar rib stands upright in the height direction of the spacer. That is, in the upright direction from which the support arms extend. In the longitudinal direction of the spacer, the planar rib has end sections which delimit it. These are bowed inwardly with respect to the spacer (with respect to the space between adjacent sidewall members of the same spacer). These inturned end portions can be connected to a side edge of the respective support arm of two adjacent support arms of the same side wall element. The side edge corresponds to the transition from the longitudinal boundary wall to the outer wall of the support arm.

Because the planar ribs have substantially curved end portions, it is easier to thread the support arms from above. In addition, in the case of stacked ensembles of a plurality of spacers stacked on top of one another, ensembles lined up next to one another lie essentially in planar contact with one another with their side walls. The side wall of such an ensemble is formed by planar ribs of stacked spacers arranged one above the other in the height direction.

The corresponding planar rib can be bounded by two edges in the height direction. The edge of the rib that is distal in relation to the base wall element defines a first standing area of the standing section. A second standing area of the standing section is formed by the support arm standing surface provided on the distal side of the support arms.

The second edge of the two edges of the planar fins is a proximal edge. This proximal edge together with the longitudinal perimeter walls of adjacent support arms of the same side panel and the transverse perimeter of the bottom panel forms a side panel opening. Thus, when looking transversely from the outside of a sidewall member, a through opening is formed between the planar rib, two adjacent support arms and the bottom wall member. This opening can accommodate the corresponding support arms of stacked spacers.

It is advantageous if a height of the planar rib in the height direction of the spacer corresponds approximately to the inverse of that multiple minus 1 after spacers stacked one above the other with the same configuration are again arranged one above the other in the height direction. This means that, for example, after the third stacking of spacers, when spacers are in three (3) layers on top of each other, and thus the fourth spacer again has the same longitudinal position as the bottom first spacer, the ribs are substantially one-third (1/3) match the height of the spacer. That is, when the stacking order is three, the heights of the planar ribs are one-third the height of the spacer. The following formula is favorable for the height depending on the stacking: $$\text{H}/\text{H}=1/\left(\text{N}-1\right).$$

Where H is the height of the spacer, h is the height of the planar rib, N is the number after the spacer stacked above it again longitudinally matches the position of the first spacer. If the stacking order is four, i.e. every fifth spacer overlying the first spacer, the height of the planer ribs is one fourth the height of the spacer, and so on.

According to a further advantageous development of the invention, the proximal edge of the planar rib has a central indentation in the vertical direction. This indentation is bordered by two bumps. The humps lie essentially in the longitudinal direction of the spacer at the level at which the corresponding support arm of the spacer stacked above also lies.

It is advantageous that the proximal edge of the planar rib has a central indentation in the vertical direction, which is surrounded by two humps that delimit it.

It is also advantageous that the supporting arm base of a further spacer that is stacked on top of the spacer is essentially directly adjacent to the proximal edge of the planar rib of the (lower) spacer in the height direction.

Furthermore, it is preferable that the distance between two opposite inner wall surfaces of support arms provided on opposite side surfaces is smaller than a distance between the two outer wall surfaces of the opposite support arms. In this case, the support arms of the two side wall elements of the spacer are directly opposite each other. However, a staggered arrangement of the arms in the longitudinal direction with respect to the side wall elements can also be provided. To the extent that this is the case, the corresponding distance relationship is the distance between the projection of adjacent arms in the longitudinal direction.

In particular, the bottom wall element, the first and second side wall element are designed in one piece in the spacer.

The spacer is advantageously made by injection molding. Prior art spacers have typically been made by extrusion. In the present configuration, it has proven to be advantageous to manufacture these spacers by injection molding. Accordingly, it is advantageous that no undercuts are provided.

The spacer can be made of plastic, in particular PVC-free plastic is to be considered here. In particular, the plastic can be a recycled plastic. PE, PP or a mixture of these can be used as the plastic.

Viewed in its longitudinal direction, the spacer essentially has a U-shaped configuration. The U-shaped configuration essentially refers to the projection of the spacer in the longitudinal direction onto a surface.

In addition to the spacer as such, a stack of two, three, four or five spacers stacked one on top of the other can form the invention. Such a stack is also referred to as an ensemble of spacers. An arrangement of several ensembles of spacers stacked one above the other in the height direction, with the ensembles arranged next to one another and their side walls touching, can form a shipping unit, e.g. on a pallet. This shipping unit can also form the invention on its own.

In addition, the method for producing the spacer according to the invention can also be protected. The process is an injection molding process, with a PVC-free plastic being used in the injection molding process, for example. A method for producing the shipping unit and/or the ensemble can also form the invention per se. Here the spacers are first stacked into ensembles and then combined into a packaging unit.

• 1 eine schematische Ansicht der Verwendung von verschiedenen im Stand der Technik bekannten Abstandshaltern dar,
• 2 einen weiteren im Stand der Technik bekannten Abstandshalter zur Verwendung auf Dämmplatten,
• 3 einen in der DE 20 2011 103 181 U1 beschriebenen Abstandshalter zur Verwendung auf festen Untergründen,
• 4 eine schräge Aufsicht auf ein Ausführungsbeispiel eines erfindungsgemäßen Abstandshalters,
• 5 eine schräge Aufsicht in der drei der in der 4 dargestellten Abstandshalter in Höhenrichtung übereinander gestapelt sind,
• 6 eine schematische Aufsicht auf eine Oberflächenseite des Bodenwandelements des Abstandshalters aus 4,
• 7 eine Seitenansicht des Abstandshalters in 4 quer zur Längsrichtung und im Wesentlichen senkrecht auf eines der Seitenwandelemente,
• 8 eine Frontansicht des Abstandshalters aus 4 in Längsrichtung entlang des Abstandshalters von der Längsseite mit der Lasche gesehen und
• 9 eine entsprechende schematische Frontansicht von gestapelten Abstandshaltern entlang der Längsrichtung von der Seite der Lasche gesehen, die der Ausgestaltung in 5 entspricht.

Further advantageous configurations are described below using an exemplary embodiment in conjunction with the drawing. stand in this

• 1 represents a schematic view of the use of various spacers known in the prior art,
• 2 another spacer known in the prior art for use on insulating boards,
• 3 one in the DE 20 2011 103 181 U1 described spacers for use on solid surfaces,
• 4 an oblique view of an embodiment of a spacer according to the invention,
• 5 an oblique top view in the three of in the 4 the spacers shown are stacked one on top of the other in the height direction,
• 6 Fig. 12 shows a schematic plan view of a surface side of the bottom wall element of the spacer 4 ,
• 7 a side view of the spacer in 4 transverse to the longitudinal direction and essentially perpendicular to one of the side wall elements,
• 8th a front view of the spacer 4 longitudinally along the spacer seen from the long side with the tab and
• 9 a corresponding schematic front view of stacked spacers along the longitudinal direction seen from the side of the tab corresponding to the embodiment in 5 is equivalent to.

The variants known in the prior art have already been referred to in the introduction to the description 1 until 3 described.

the inside 5 The spacer 1 according to the invention shown has a configuration in which several of the same spacers (with 3 spacers 1 in this example) are stacked one on top of the other, with a standing section being formed by a boundary edge of the corresponding side wall element 8a, 8b that is essentially offset-free in the height direction.

The spacer 1 in 4 has a bottom wall element 7 and two side wall elements 8a and 8b. The side wall element 8a is described below as the first side wall element and the side wall element 8b as the second side wall element. In the exemplary embodiment, each side wall element has support arms 6a and 6b which are provided one behind the other in the longitudinal direction and which extend in the height direction of the spacer. Here, the support arms 6a are the support arms of the first side wall element and the support arms 6b are the support arms of the second side wall element. In addition, each side wall element 8a, 8b has a corresponding connecting section 9a, 9b, respectively. Here, the connecting section 9a is assigned to the first side wall element 8a and the connecting section 9b is assigned to the second side wall element 8b. Each of the side wall elements 8a, 8b is accordingly made up of the support arms 6a, 6b, which are arranged one behind the other in the longitudinal direction of the spacer 1, and the connecting sections 9a, 9b. The support arms 6a, 6b protrude perpendicularly from the bottom wall element 7 in the vertical direction.

In 4 a coordinate system is drawn. The X-direction corresponds to the longitudinal direction (seen from the flap 10). The Y axis of the cross direction and the Z axis of the (negative) height direction. In the following, top, bottom, left, right refer to the corresponding pages in 4 referenced. These designations top, bottom, left, right only serve to distinguish the corresponding directions and positions. The top-to-bottom direction corresponds to the negative Z-direction. The longitudinal direction seen from the tab 10 corresponds to the X-direction. Correspondingly, the opposite longitudinal direction as viewed from the tab receiver 11 side corresponds to the negative X-direction.

The first side wall member 8 a is provided on the left side of the bottom wall member 7 , the second side wall member 8 b is provided on the right side of the bottom wall member 7 . The support arms 6a, 6b protrude from a transverse boundary surface 12 of the bottom wall element 7 in the vertical direction (negative Z-direction). The transverse delimitation surface 12 corresponds to the wall of the bottom wall element which delimits this in the transverse direction.

The respective support arms 6a and 6b protrude from the bottom wall element in the transverse direction as seen in a plan view of the top surface of the bottom wall element 7 and form a recess 13, respectively, as seen in a plan view of the top surface of the bottom wall element 7. The recess 13 is defined between longitudinally adjacent support arms 6a, 6b (see. 6 ) and the transverse boundary surface 12 is formed.

When stacking a spacer with the same configuration as that in FIGS 4 , 6 , 7 and 8th spacer shown on the spacer shown there, the support arms of the other spacer are inserted into the recess 13.

This is, for example, shown schematically in 5 to recognize. The adjacent support arms 6b, 6b', 6b'' of different stacked spacers 1, 1', 1'' are respectively directly immediately adjacent to each other in the longitudinal direction.

Each support arm 6a, 6b has longitudinal boundary surfaces 14a, 14b that bound it in the longitudinal direction of the spacer 1 (cf. 6 and 7 ), an outer surface 15 and an inner surface 16 (cf. 4 ). The designation outer and inner surface refers to the outer and inner of the spacer 1. The longitudinal boundary surfaces 14a, 14b of corresponding support arms 6a, 6b of adjacent spacers 1, 1', 1'' stacked on top of one another essentially lie opposite one another and abut one another (see. 5 ).

In the present case, the connecting section 9a, 9b is formed as a planar rib. The planar rib stands upright in the height (Z-direction) direction and is provided laterally between two longitudinally adjacent support arms 6a, 6b of the respective side wall members 8a, 8b and connects the respective adjacent support arms to each other. The planar rib 9a, 9b has a distal edge 17 and a proximal edge 18 (cf. 7 and 4 ). The terms distal and proximal are used in relation to the position of the Bottom wall element 7 used. Thus, the protective arms 6a, 6b each have distal ends 19 and proximal ends 20 (cf. 7 and 4 ).

The proximal ends 20 are integrally connected to the transverse boundary surfaces 12 . The distal ends 19 each have a supporting arm standing surface 21 . The support arm footprint 21 defines a second stance area of the stance section. The distal edge 17 of the planar rib forms a first standing area of the standing section. Thus, a boundary edge that is essentially offset-free in the height direction is formed by the first and second standing area, which edge extends continuously over the spacer in the longitudinal direction. This allows a good surface loading to be provided.

The planar ribs have an indentation 22 on their proximal edge 18 (cf. 4 and 7 ) and correspondingly two humps 23 which enclose the indentation 22 between them.

In addition, the planar rib 9a, 9b has the inwardly bent wall portions 24 at both ends thereof as viewed in the longitudinal direction (cf. 6 ). These inwardly curved wall sections 24 protrude from the edge 25 of the respective adjacent support arms 6a, 6b. The edge results from the intersection of the outer surface 15 with the longitudinal boundary surfaces 14a, 14b of the support arms. A side wall member opening 26 is formed between the planar rib 9a, 9b, the support arms 6a, 6b and the bottom wall member 7 (see Fig. 4 and 7 ). In particular, the sidewall member opening 26 is formed by the longitudinal boundary surface 14a, 14b of two adjacent support arms 6a, 6b, the transverse boundary surface 12 and the proximal edge 18. FIG. The side wall element opening 26 is configured in such a way that in a view transverse to the longitudinal direction of the respective side wall element 8a, 8b transverse to the extension of the support arms 6a, 6b, several support arms of stacked side wall elements fill this opening (cf. 5 ). In addition to the support arms 6b', 6b", a portion of the corresponding planar rib 9b of the spacer element 1', 1'' stacked above also still fills the side wall element opening 26, as shown in FIG 5 can be seen.

In the present exemplary embodiment, the spacer is configured in such a way that after every three spacers stacked one on top of the other, as in 5 shown, the corresponding fourth spacer again in the same position with the bottom spacer in 5 , is aligned or can be aligned in the height direction.

In 5 the bottom spacer is referred to as the first spacer, the middle spacer as the second spacer, and the top spacer as the third spacer. So here we have a repetition rate of three.

Advantageously, the height of the planar rib 9a, 9b corresponds to approximately one third of the height of the spacer in the height direction. It is advantageous if a height of the planar rib in the vertical direction of the spacer corresponds to the inverse of that multiple minus 1 after spacers stacked one above the other with the same configuration are again arranged one above the other in the vertical direction. This means that after the total third stacking of spacers, spacers are in three layers on top of each other, and the fourth spacer again has the same longitudinal position as the lowermost first spacer, and the ribs correspond to essentially one third of the height of the spacer. When the stacking order is three, the heights of the planar ribs are one-third the height of the spacer. The following formula is favorable for the height depending on the stacking: $$\text{H}/\text{H}=1/\left(\text{N}-1\right).$$

Where H is the height of the spacer, h is the height of the planar rib, and N is the number after the spacer stacked above it again longitudinally matches the position of the first spacer. If the stacking order is four, i.e. every fifth spacer above the first spacer, the height of the planar ribs is one fourth the height of the spacer, and so on.

Accordingly, a sidewall of a stacked spacer ensemble is formed by the planar ribs from the stacked spacers which is substantially planar and non-continuous.

The corresponding spacer 1 has in its longitudinal direction on one longitudinal boundary side of the bottom wall element 7 a tab 10 and on the corresponding other longitudinal boundary side a tab receptacle 13 into which the tab can be inserted. The tab 10 has latching projections 27 (cf. 6 and 7 ), with which the tab 10 can be locked in the tab receptacle 13 and releasably fixed again.

In the present embodiment, the bottom wall element 7 also has bottom openings 28 ( 4 and 6 ). This shows that Floor element itself has a grid-like structure or a ladder-like structure.

In the present exemplary embodiment, the support arms 6a, 6b are arranged directly opposite one another with respect to opposite side wall elements 8a and 8b and the spacer is constructed mirror-symmetrically along a mirror plane which runs centrally through the bottom wall element 7 perpendicular to the height direction and in the longitudinal direction. In a further embodiment, it can also be that the corresponding arms of one of the side wall elements are arranged offset in relation to the other side element, for example are always provided centrally between two support arms of the other side wall element. It is also not necessary for the corresponding base section to have these base openings 28 .

In the present case, the spacer is formed in one piece by injection molding and is made of plastic. Any plastic can be used here, preferably injection moldable. In particular, a recyclable plastic is provided. It is also advantageous to use a PVC-free plastic. It can be used as a plastic PE or PP or a mixture thereof.

8th and 9 indicate corresponding heights in millimeters. The heights can vary by +/- 90%, in particular +/- 50%, from the height information given. Thus, the height of the planar rib in the exemplary embodiment is 13.2 mm and can be +/- 100% in a range of 25.8 to 1.32 mm, or +/- 50% in a range of 19.8 up to 6.6 mm. The aforementioned limits can each form the upper or lower limit of a range.

For example, the length of a support arm is 39.5 mm. The above applies accordingly to the advantageous areas.

The width between two outer walls of opposing support arms at the level of the top surface of the bottom wall element is 40.0 mm in the example. What was said above applies accordingly to the advantageous areas.

The width between two outer walls of opposite ribs at the level of the distal edge of the ribs is 47.7 mm in the example. The above applies accordingly to the advantageous areas.

The distance between an underside wall surface of the floor wall element and the standing section, ie the clear height within the spacer between the standing surface and the underside of the floor element, is 29.0 mm in the exemplary embodiment. The above applies accordingly to the advantageous areas.

As in 9 As shown, approximately one-third of the spacer above will overhang the respective spacer below when stacked in the height direction, resulting in increased space savings.

9 shows a longitudinal view in which the corresponding support arms of the spacers stacked on top of one another are aligned one behind the other in the longitudinal direction, so that only the support arms of the first lower spacer can be seen here. In the vertical direction, the support arms of the next spacer protrude beyond the spacer below.

The planar ribs of stacked spacers are aligned so that their outer walls form a planar surface in the vertical direction and these planar surfaces of the outer walls of the ribs of different stacked spacers, which are arranged directly one above the other in the height direction, form a side wall of an ensemble of stacked ones forms spacers.

It suffices that one of the corresponding side wall elements is provided with the arms. Preferably, however, both side wall elements are provided with the corresponding arms.

Reference List

1, 1', 1'', 100a, 100b, 100b', 200a

spacers

2

probation board

3

probation grid

4

formwork

5

concrete

6a, 6b, 6b', 6b", 600

support arm

7, 700

bottom wall element

8a, 8b, 800

sidewall elements

900

insulation board

9a, 9b

connection section

10

tab

11

tab pick-up

12

transverse boundary surface

13

recess

14a, 14b

longitudinal boundary surface

15

outer surface

16

Inner surface

17

distal edge

18

proximal edge

19

distal end

20

proximal ends

21

support arm footprint

22

indentation

23

hump

24

Inwardly curved end section

25

edge

26

side panel opening

27

locking protrusions

28

bottom openings

QUOTES INCLUDED IN DESCRIPTION

This list of documents cited by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent Literature Cited

• DE 202011103181 U1 [0011, 0012, 0041]

Claims (17)

Spacers (1, 1', 1") with a bottom wall element (7) which is longer in its longitudinal direction than its transverse direction, a first side wall element (8a) delimiting the bottom wall element (7) in its transverse direction and which is essentially vertical in the height direction from protrudes from the bottom wall element (7), and a second side wall element (8b) which delimits the bottom wall element (7) in its transverse direction and protrudes essentially perpendicularly from the bottom wall element (7) in the height direction, the first and second side wall elements (8a, 8b) hold the bottom wall element (7) between them, and the first and second side wall elements (8a, 8b) each have a distal boundary edge that extends in the longitudinal direction and is continuous and essentially offset in the height direction, which is designed as a standing section on which the spacer (1, 1 ', 1'') can stand, so that a top surface of the bottom wall element (7), which on the Gegeng is provided on the substituted side, opposite to the side from which the first and second side wall element (8a, 8b) protrude, is provided as a bearing surface for a reinforcement element in order to keep the reinforcement element at a distance from a base surface on which the standing section can be placed, characterized characterized in that the first and/or second side wall element (8a, 8b) has support arms (6a, 6b) arranged one behind the other in the longitudinal direction and protruding from the bottom wall element (7) in the height direction, and in that the standing section is defined by distal ends (19) of the support arms (6a , 6b) connecting sections (9a, 9b) connecting one of the respective side wall elements (8a, 8b) and the distal ends (19) of these support arms (6a, 6b), the first and/or second side wall element (8a, 8b) being so is configured that when stacking another spacer (1 ', 1'') with the same configuration on the spacer (1) that the respective side wall element (8a, 8b) zugeo arranged support arms (6a, 6b) of the two spacers (1, 1') which extend in the vertical direction of the respective spacer (1, 1') are arranged aligned one behind the other in the longitudinal direction. spacers (1, 1', 1''). claim 1 , characterized in that the spacer (1, 1', 1'') is configured such that when stacked with further spacers (1', 1'') with the same configuration, the third, fourth, fifth or sixth spacer in Viewed in plan from the top surface of the bottom wall element (7), again occupies the same position in the longitudinal direction as the first lowermost spacer. spacers (1, 1', 1''). claim 1 or 2 , characterized in that the support arms (6a, 6b) of the r first and/or second side wall element (8a, 8b) project laterally in the transverse direction from a transverse boundary surface (12) of the bottom wall element (7) and in the distal direction in the height direction of the spacer ( 1, 1') so that when viewed from above the top surface of the bottom wall element (7) a recess (13) is formed between longitudinally adjacent support arms (6a, 6b) which is configured in such a way that when a further spacer (1 ', 1'') with the same configuration on the spacer (1), the support arms (6a, 6b) of the further spacer (1', 1'') can be inserted into the recess (13), and in the longitudinal direction of the spacer the respective Longitudinal boundary walls (14a, 14b) delimiting support arms (6a, 6b) of adjacent support arms (6a, 6b) of different spacers (1', 1'') stacked on top of one another substantially abut one another. Spacers (1, 1', 1'') according to one of Claims 1 until 3 , characterized in that the connecting portions (9a, 9b) in plan view of the top surface of the bottom wall element (7) transversely over the transversely the support arms (6a, 6b) in relation to the spacer (1, 1', 1'') this outwardly delimiting outer wall (8a, 8b) of the respective support arm (6a, 6b) protrudes. spacers (1, 1', 1''). claim 4 so far from claim 3 dependent, characterized in that the connecting sections (9a, 9b) are each designed as a planar rib extending in the vertical direction of the respective side wall element (8a, 8b), the two end sections of which delimit it in the longitudinal direction of the spacer (1, 1', 1") (24) are bent inwards with respect to the spacer (1, 1', 1''). spacers (1, 1', 1''). claim 5 , characterized in that the two end sections (24) of the connecting section (9a, 9b) are connected to a respective side edge (25) delimiting the longitudinal boundary wall (14a, 14b) and the outer wall (15) of longitudinally adjacent support arms (6a, 6b). are. spacers (1, 1', 1") claim 5 or 6 characterized in that the planar rib is delimited in height direction of the spacer (1, 1', 1'') by two edges, namely a distal edge (17) with respect to the bottom wall element (7) and one with respect to the bottom wall element (7) proximal edge (18), the distal edge (17) forming a first standing area of the standing section and a second standing area of the standing portion is formed by a supporting arm standing surface (21) provided on the distal side of the supporting arms (6a, 6b). spacers (1, 1', 1''). claim 7 , characterized in that the proximal edge (18) together with the longitudinal boundary walls (14a, 14b) of adjacent support arms (6a, 6b) and the transverse boundary surface (12) of the bottom wall element (7) forms a side wall element opening (26). spacers (1, 1', 1''). claim 8 , characterized in that viewed transversely to the longitudinal direction and in plan view of the respective side wall element (8a, 8b) and transversely to the direction in which the support arms (6a, 6b) extend, one support arm (6b') of the further spacer (1') or a plurality of support arms ( 6b', 6b") of respective spacers (1', 1'') of the same configuration stacked on top of the spacer (1) substantially completely fill the sidewall member opening (26). Spacers (1, 1', 1") according to any one of Claims 1 until 9 , characterized in that a height of the planar rib in the height direction corresponds to the inverse of the stacking order. Spacers (1, 1', 1'') according to one of Claims 6 until 10 , characterized in that the proximal edge (18) of the planar rib has a central indentation (22) in the direction of height, which is surrounded by two bosses (23) delimiting it. Spacers (1, 1', 1'') according to one of Claims 6 until 11 , characterized in that the supporting arm base (21) of a further spacer (1') which is stacked on the spacer (1) essentially in the height direction directly adjoins the proximal edge (18) of the planar rib of the spacer (1). Spacers (1, 1', 1'') according to one of Claims 1 until 12 , characterized in that the distance between two opposite inner wall surfaces of support arms (6a, 6b) of the opposite side wall elements (8a, 8b) is smaller than the distance between the two outer wall surfaces of the opposite support arms (6a, 6b). Spacers (1, 1', 1'') according to one of Claims 1 until 13 , characterized in that the bottom wall element (7) and the first and second side wall element (8a, 8b) is made in one piece. Spacers (1, 1', 1'') according to one of Claims 1 until 14 , characterized in that the spacer (1, 1', 1'') is produced by injection molding. Spacers (1, 1', 1'') according to one of Claims 1 until 15 , characterized in that the spacer (1, 1', 1'') is made of plastic. Spacers (1, 1', 1'') according to one of Claims 1 until 16 , characterized in that the spacer (1, 1 ', 1'') is designed substantially U-shaped seen in its longitudinal direction.

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