WO2017153049A1

WO2017153049A1 - Spacer and fastener for parts that are to be fixed to the building through a facade

Info

Publication number: WO2017153049A1
Application number: PCT/EP2017/000314
Authority: WO
Inventors: Thomas Giller
Original assignee: Giller, Jutta
Priority date: 2016-03-10
Filing date: 2017-03-09
Publication date: 2017-09-14
Also published as: EP3426855A1; DE102017002170A1

Abstract

According to the invention, functional parts which are to be fixed at a later date on buildings with heat insulation are mounted with spacers. Drill holes are introduced for the spacers into the heat insulation and the building wall.

Description

Spacers and fasteners for through a facade

Buildings to be fastened

The invention relates to spacers and fasteners for through a facade through to be fastened to buildings parts. All buildings have a facade. The façade often includes thermal insulation and before that a plaster layer or other non-load-bearing layer.

Subsequently, the task often arises of attaching essential parts to the building. These include in particular canopies, awnings, advertising systems, escape routes, scaffolding, lamps and surveillance cameras and the like. Some of the parts have a considerable weight.

All parts must withstand considerable wind loads.

To attach the facade profiles and facade panels are in the

Buildings Threaded rods anchored as spacers whose length is such that they protrude in front of the building through the thermal insulation and also protrude beyond the heat insulation, which is required for the attachment of the parts to be fastened in front of the facade. The threaded rods are mostly Ml 2 rods. That is, there are rods with 12mm outer diameter and a metric thread on the circumference. Such threaded rods have a certain load limit.

Larger loads will be on a corresponding variety of

Threaded rods distributed.

The threaded rods are usually glued into corresponding holes in the building. To do so, drilled holes in the building wall by existing thermal insulation, then introduced adhesive and pressed the threaded rods in the adhesive. In rarer cases, the

COMFIRMATION COPY Pierced building walls to hold the threaded rods on the inside of the building with rondels.

The invention has recognized that the threaded rods form thermal bridges and that their selection and installation is often inadequate. The defects include inaccurate positions of the threaded rods, misalignment of the threaded rods and too much or too little protruding of the threaded rods compared to an existing thermal insulation.

When choosing threaded rods with too low strength, the threaded rods bend under the load of the parts to be fastened.

The object of the invention has been found to facilitate a defect-free attachment of the parts.

According to the invention, this is achieved with the features of the main claim. Preferred embodiments are described in the subclaims.

Much can be improved on the conventional fasteners if not only one hole is drilled in the insulation, as is required for mounting the threaded rod in the building, but a hole is drilled which is at least three times the diameter of the threaded rod, preferably at least four times the diameter, and more preferably at least five times the diameter of the threaded rod.

Preferably, the bore is first made through the thermal insulation into the building, which is conventionally required for the dowel and the adhesive. This hole is drilled in the heat insulation on the measure according to the invention. In this case, the drill can serve as a guide, which is provided for the smaller hole in the building. The drill for the insertion of the threaded rod bore is regularly a stone drill. These are drills with one

Carbide tip. There are such stone drills in the market, which can be severed when drilling in concrete and its concrete steel reinforcement. However, the drilling progress is significantly reduced when the masonry drill hits the reinforcing steel reinforcement.

By contrast, the tool for making the larger bore in the insulation is, for example, a light one

Pot drill or around a router.

Alternatively, there is also a combined tool consisting of the stone drill and the pot drill. Then the pot drill can be mounted on the stone drill bit.

After drilling is at least a cleaning of the hole in the

Building wall provided to produce a clean adhesive surface.

The larger hole in the thermal insulation is used according to the invention to screw after bonding the threaded rod in the building a reinforcement on the threaded rod and to clamp against the building wall. The takes place advantageously in the area in which the threaded rod is exposed to the largest bending load. The ability of the threaded rod is used to absorb much more tensile load than Beigelast. By the

reinforcement and bracing according to the invention will become part of

Tensile strength of the threaded rod used to reduce the bending load.

The reinforcement, may be an annular thickening with a corresponding bearing surface on the building wall. Preferably, the diameter of the reinforcement is equal to the inner diameter of the bore in the

Thermal insulation minus a play that is necessary to screw the thickening through the hole on the threaded rod. The reinforcement may be a cylindrical sleeve with a collar towards the building wall and an internal thread in the sleeve. The collar serves as a support; the internal thread for screwing.

The reinforcement may be in one piece or composed of several parts.

The advantage here is a closing edition of the gain at the

Building wall.

In full-surface edition according to the invention, a processing of

Building wall at the well favorable. This can be done with a face milling cutter, which has a hole in its center, so that the cutter can be pushed over the already glued threaded rod. The threaded rod then gives the router the grip and guidance for accurate milling work.

Optionally, the annular or cylindrical reinforcement is provided with a collar which has a narrow edge on the building wall side. Then, the edge forms the interface with the building wall and reduces the milling work to prepare for the attachment of the reinforcement to a fraction of the required for a full-surface contact of the collar on the building wall milling work, namely on the corresponding to the edge of the collar of the reinforcement Building wall surface, an annular narrow strip.

In particular, adhesive that swells out of this when penetrating the anchor in the borehole, can remain so within limits. In limits, too much glue must be removed, while removing the excessive

However, the amount of adhesive need not be applied with care on the surface enclosed by the above-mentioned annular contact surface. Alternatively to leveling the contact surface for the reinforcement of

Threaded rod on the building wall can also be a bonding of the

Reinforcement made with the building wall.

The gluing of the reinforcement can be done after bonding the threaded rod in the borehole. The gluing can also be done simultaneously with the gluing of the threaded rod.

For subsequent bonding, the adhesive is placed between the reinforcement and the building wall. There forms at the interface a layer of material to which the reinforcement can rest properly without a processing of the surface would have to take place with a cutter. In addition, the bonding creates a connection between the reinforcement and the building wall. This adhesive joint relieves the threaded rod or takes part of the effective load forces in the case of load.

Depending on the adhesive used, the adhesive between the building wall and the reinforcement unfolds particularly high adhesive forces when the reinforcement is stretched against the building wall. Such adhesives are sensitive to pressure. In order to make optimal use of such adhesives, it may be advantageous to prevent the distortion that strong torques act on the gain. This can be achieved by avoiding a rotation of the reinforcement during the clamping process. For example, this is a gain that is not screwed on, but only plugged in and has a correspondingly large hole instead of a threaded hole that surrounds the threaded rod or the anchor at least a small distance.

Then, the clamping force can be transmitted to the reinforcement with a nut without the risk of entrainment of the reinforcement. In this case, the use of a washer with less

reinforcement-side friction and / or low screw nut side Be advantageous friction. The washer can optionally be provided with edges at the same time, which protrude from the edge of the nut and at the same time with respect to the head of the reinforcement and can be folded after the tension with one part around the head of the reinforcement and with the other part around the nut. This creates an additional backup of the reinforcement and the nut against loosening.

In the other variant of the joint bonding of threaded rod and reinforcement in a single gluing process as much adhesive is optionally filled in the well that when mounting the threaded rod with the pre-mounted reinforcement so much glue swells out of the well that at a desired gap of For example, until 3mm the entire gap is filled with glue. With little routine, the necessary filling of the well can be achieved by hand with a sense of proportion without any other means. The filling of the gap is then recognizable by the fact that the adhesive swells when positioning the threaded rod with the preassembled reinforcement at all edges of the reinforcement out. The size of the resulting gap between the building wall and the reinforcement is insignificant.

Advantageously, deviations of the building wall from the vertical can also be compensated in such layer formation. The adhesive layer then forms a leveling layer for unevenness of the building wall and deviations of the building wall from the vertical. This facilitates an exactly horizontal mounting of the threaded rods.

The adhesive is preferably the same, which is also used for gluing the

Threaded rod application finds. A suitable adhesive is, for example, a gel-type, solvent-free two-component adhesive based on

Epoxy resin with a cycloaliphatic polyamine hardener. Such an adhesive is for example, under the name Akepox 5010 commercially available. The advantage is a minimal shrinkage during curing of the adhesive.

For every bonding of the reinforcement to the building wall, rough, dust-free adhesive surfaces are an advantage. In addition, individual can already

Recesses in the contact surface of the reinforcement and / or in the

Building wall be beneficial. Then the glue penetrates into the depressions. Thickenings in the adhesive layer between the reinforcement and the building wall form, which increase the resistance of the bond against loosening when torques act.

On good (level and vertical) building walls can both a

Preparation of the contact surface with a router as well as the application of an intermediate layer can be dispensed with, if a mounting of the reinforcement without gluing is provided on the building wall. Then the offers

Building wall by itself a flat, vertical contact surface for a support of the reinforcement on the building wall.

As described above, the reinforcement is against the building wall

braced.

Either the reinforcement is provided with an appropriate for the threaded rod internal thread. The reinforcement can then be rotated on the threaded rod until the desired tension is achieved. With a

Locking nut, the reinforcement can be secured in the respective Anspreßstellung on the building wall.

Or the central hole in the reinforcement is formed as a through hole and the clamping is done with a nut on the threaded rod. In addition, a backup of the pressing position can be done by means of a lock nut. For the bracing are one-piece or multi-part spanner, which engage with a tubular part on the threaded rod and are adapted to the front end of the tubular part of the nut or lock nut or optionally engage in suitable recesses of the reinforcement. To the Spannschlüssel also includes a lever arm, with which the torque is applied for the tension.

It is favorable if the lever arm is at the same time designed as a ratchet and can therefore be moved back and forth during clamping.

It is also favorable if the lever arm at the same time with an indicator for the

Torque is provided. This can ensure that the

Bonding of the threaded rod is not overloaded when bracing the reinforcement.

It is also advantageous if the threaded rod has a profiling such as a reinforcing steel rod at the area reaching into the borehole. Then the threaded rod can regularly record much more torque than a threaded, in the hole cross-section of the

Threaded rod.

The threaded rod can then also be referred to as an anchor.

Furthermore, in the case of glue-free contact the building wall for non-rotatable arrangement of the gain is favorable when the gain at the

Touching surface with the building wall has a profiling that gives the touch surface high friction with the building wall, better still causes a claw in the building wall. Then there are less

Clamping forces required to secure the reinforcement on the building wall.

The reinforcement causes a stiffening of the threaded rod.

The further the reinforcement protrudes in the insulation, the bigger it gets

Stiffening of the threaded rod. Preferably, it is at least provided that the stiffening in the longitudinal direction of the threaded rod has a dimension which is at least equal to 1/3 of the thickness of the thermal insulation, still more preferably has a dimension which is at least equal to 0.5 times the thickness of the thermal insulation, and most preferably has a dimension which is at least equal to 2/3 of the thickness of the thermal insulation.

The reinforcement can consist of concrete.

The reinforcement can be made of steel.

Preferably, the reinforcement consists of a high strength plastic with low heat transfer coefficient compared to other materials. For high-strength plastics, reference is made to DD242194, DD 142166, DD140120, DE 102014102826, DE102015007004, DE102014115506,

DE4214636, DE1504463, EP567845.

The low heat transfer coefficient is advantageous for the insulation.

The gain can increase in the direction of the

Taper the threaded rod because the bending load for the reinforcement decreases as the distance from the building wall increases. This results in a cavity in the borehole of the thermal insulation. According to the invention, this cavity is filled after assembly of the spacer with the same or similar material from which the thermal insulation consists.

Optionally, the reinforcement has a cylindrical body instead of the tapered body. On the attachment of the reinforcement with cylindrical body has no significant influence. The advantage of the cylindrical shape of the reinforcement lies in the filling of the borehole in the

Thermal insulation. Optionally, the remainder of the cavity, which emerges with thicker thermal insulation with the same cylindrical shape of the reinforcements through other cylindrical body with the same threaded hole or

Through hole as the reinforcement filled. These further cylindrical bodies may have the same or a different thickness as the

reinforcement provided on the building wall. With the different thicknesses, the borehole can be filled to the edge of the thermal insulation. However, it is also possible to let the cylindrical body with respect to the thermal insulation to protrude or leave behind. The respective position results from the connection of the spacer with the parts to be mounted in front of the facade.

The additional cylindrical parts are preferably like the

building-side reinforcement made of a non-foamed, high-strength

Plastic. Depending on the burden of the connection of the spacer with the parts intended for attachment in front of the facade also less solid plastic, including foamed plastic for the production of other cylindrical body can come into question.

The additional cylindrical parts are then optionally glued to the cylindrical reinforcement and / or screwed to give the construction even more strength.

In conventional training of the spacer with continuous

Threaded rod protrudes the threaded rod for the connection with the parts to be fastened in front of the facade in relation to the thermal insulation.

Although there are still systems with a threaded rod that extends through the entire thermal insulation and protrudes up to the thermal insulation to form a connection for the parts to be mounted in front of the facade.

However, this is a heat transfer from the building on the

Threaded rod created in front of the facade.

Usually, the heat transfer problem is solved by thermal decoupling. For thermal decoupling reference is made to

DE202011050195, DE 102011051510, DE 102010061 139, DE 19653672,

EP2853654, EP2540924. There is each intermediate piece with less

Heat conduction provided between parts of high heat conduction.

In application of this technique, it is known to divide the threaded rod and insert a heat-insulating intermediate piece of non-foamed, high-strength plastic at the division point.

When filling a borehole in the insulation with the cylindrical reinforcement and one or more other cylindrical bodies, according to the invention, at least one of the cylindrical body instead of

Through holes provided on both ends centrally with a trained as a threaded hole blind hole. With this cylindrical body, a thermal decoupling is possible. To do this, the threaded rod is split. One part is intended for bonding in the wellbore and protrudes from the wellbore to be bolted to a cylindrical body. Thereby a screwing takes place in a blind hole. In the other blind hole, the other part of the threaded rod is screwed, which then protrudes in front of the facade for connecting the parts to be fastened in front of the facade.

The part provided with the blind holes may also be formed by bonding two cylindrical threaded parts provided with through-threaded holes with an intermediate part without through-hole.

Although the tapered reinforcement is material-saving and meets all requirements, if the penetrating thermal insulation have the same thickness or only a few different thicknesses of relevant Thermal insulation must be considered and / or the differences in thickness of the relevant thermal insulation are low.

This does not fully take into account the increasing demands on thermal insulation. When the first facades were insulated, thicknesses of 60mm and 80mm were considered sufficient. The demands on the thicknesses have changed constantly over the years. In the meantime, thicknesses of 200mm and more are discussed. Finally, having agreed on the necessary thickness of thermal insulation, the system with the tapered reinforcement may be sufficient for the future.

In the past, however, many structures with lower and very different thermal insulation have been created. According to the invention, a system is to be created which is suitable for very different insulation thicknesses.

According to the invention, this is achieved with the variable-length reinforcement. Advantageously, for example, a variable length reinforcement may be the same length as that conventionally projecting out of the building wall

Threaded rod have.

Or the reinforcement can have a measure equal to the thickness of the

Thermal insulation is.

Or the reinforcement may have a dimension that is less than the thickness of the thermal insulation.

The extensibility of the reinforcements opens up various advantages for the assembly.

Preferably, the variable-length reinforcement consists of one another and can be pushed apart or screwed into each other and apart

Reinforcing parts. Such reinforcing parts have over the length at least partially the same dimensions. In order to secure the thermal insulation at the same time, the length-adjustable reinforcing parts exist at least partially made of plastic with low heat transfer. The necessary strength of the construction is achieved by using high-strength unfoamed

Achieved plastics.

Sliding can be various profiles. Favorable are hollow sections, in particular tubes, which can surround a threaded rod. Clamps and pins or the like can prevent inadvertent adjustment of the profiles

Screw parts regularly have a circular cross-section.

Preference is given to pipes with pins or pipes with pipes

combined.

Even more preferably, the pins are provided building wall side or connected to the building wall and the pipe sits with a screw on the pin. At least the tube is made of heat-insulating

Plastic.

When using two threaded with one another sitting pipes sitting in the connection with male thread inside in the other, internally threaded tube. Each of the two tubes can

sitting on the building side. At least the pipe forming the connection to the building exterior wall consists of heat-insulating, high-strength plastic.

Optionally, the tubes can also consist of several layers of different materials to increase the load capacity.

The pins are preferably with a collar and a central

Opening provided. With the central opening, the pins on one

Threaded rod / anchor plugged or bolted, compared to the conventional threaded rods only a fraction of the

Building wall protrudes. It is advantageous if the pin is provided for screwing with a molded-nut. Molded means that during the shaping of the pin in a mold cavity, the nut is placed in the necessary place and the nut (leaving the

Screw holes) enclosed by the plastic. Incidentally, the pin is provided with the external thread required for screwing to the further reinforcement part.

The pin can be described in the above to reinforcements in general

Form with the glued into the borehole threaded rod are clamped alone, are glued alone or glued and clamped.

The threaded rod does not have to protrude much farther from the borehole than is required for bolting to the journal. However, it can continue to protrude.

The pin is preferably made with a collar, if the necessary diameter for a pipe corresponding to the pin in the outer diameter can be significantly smaller than the necessary

Contact surface and footprint of the pin on the building wall.

When the diameter of the tube inside the borehole in the

Thermal insulation can be much larger, also results in a much larger spigot diameter. Then the pin can also without collar

Find application. But then the pin diameter still remains to a certain extent smaller than the inner diameter of the borehole in the

Thermal insulation. The certain amount is at least equal to the double

Wall thickness of a pipe with internal thread for screwing with the

Spigot, which then has a small collar or no collar. In the latter case, the pin has a cylindrical body with external thread The corresponding pipe with the pin is preferably provided at one end with an internal thread for screwing with the pin and closed at the other end and provided with a connection for the building to be fastened parts. At this end, the pipe has such a large thickness that it can withstand the stresses of attaching the part to be fastened in front of the facade. In the closed pipe end sits a threaded rod, so that a connection of the front of the facade to be fastened parts as in conventional spacers is possible.

The threaded rod is in the closed tubes on both sides of the

closed end held with nuts.

Screwing of a pipe with a pin allows any

Length change in the given by the thread length limits.

Preferably, at least one ventilation opening is located at the closed end of the tube. If it can be seen that the limit is exceeded and no adaptation to extremely thick thermal insulation is possible, for example, find another pin application, which has a greater length, so that the spacer according to the invention for larger

Thermal insulation thicknesses will fit.

When using another tube instead of the pin, a tube (inner tube) is provided which has an external thread and by means of

External thread with the previously in connection with the pin

described tube is variable length screwed. The pipe provided in place of the pin (inner tube) is at the Gebäudewandseitigen end

closed and is like the pin with the anchor braced or glued or braced and glued. For accessibility of the screw provided for the clamping, the building wall facing away from the end of the pipe provided for the pin is open. In a further embodiment, the inner tube and the surrounding outer tube are arranged reversed. Then the outer tube with the

Internal thread disposed in the spacer Gebäudewandseitig and arranged the inner tube with the external thread as the tube in combination of pin and tube.

The spacer may also consist of two pins and a sleeve. Then, the building-wall-side pin can correspond to the above-explained in the combination of pin and tube pin and also can be handled. That is, this pin can be glued or screwed or glued and screwed to the building wall.

On this building wall side pin the sleeve is screwed. The sleeve corresponds to the tube in the combination of pin and tube described above. Unlike the tube, the sleeve is continuous with one

Internally threaded and open at both ends. If the sleeve is screwed onto the building wall side pin, so is the

opposite sleeve end open. In the open end of the sleeve of the second pin is screwed. The second pin has, unlike the first and building-side spigot no central through-threaded hole. At the second pin a blind hole is provided with an internal thread. In the blind hole sits a piece of threaded rod and protrudes so far that the second pin provides a same connection for front of the facade to be fastened parts as conventional spacers.

The blind hole is not mandatory. The same can be achieved with a through threaded hole in the second pin, with a longer threaded rod piece and a nut. Then that can

Threaded rod piece can be locked with the nut in the second pin. Preferably, the two pins are the same except for the pin length, so that, for example, the shortest first pin can also be used as a second pin and vice versa. Incidentally, in

Adaptation to large thermal insulation thicknesses pin be provided with greater length.

The pins can initially be turned out of solid.

For larger spigot needs to weld on

Extension pieces on the pins.

For very large demand figures, the production in an injection mold also counts for the different cones.

As an alternative to the pins with different lengths, it is possible to always use the same pin and to use longer sleeves when a need for adaptation to larger thermal insulation thicknesses. Optionally, the sleeves are made as longer sleeves, the length being such that by division at least two shorter useful sleeves each

arise.

It is also possible to produce shorter sleeves, which can be welded together to form longer sleeves.

For safety reasons, all bolted parts are additionally secured once again in the screw position. Preferably, the screw threads to which the pins, tubes and sleeves are adjustably connected, after

Reaching the correct screw position blocked by an adhesive on the thread. Preferably, this is a two-component adhesive application, which cures with sufficient delay. Alternatively or additionally, existing cavities can be filled in the spacers. This is, for example, mounting foam. The load capacity of the spacers according to the invention is much greater than the load of conventional spacers.

In comparative experiments, the load was measured in kilonewtons (kN) at the end of a Ml 2 threaded rod spaced 140mm or 160mm, 180mm or 200mm from the building wall at the head of the threaded rod due to bending to a vertical deflection of 1mm is coming.

As a result, the spacer according to the invention for the same

Deflection about 5 to 8 times higher loaded than the strongest

conventional spacers. In detail:

Distance 140mm 160mm 180mm 200mm

Conventional 0.37kN 0.254kN 0.179kN 0.13kN

Invention 2,291kN l, 339kN 1,15 lkN 0,98 kN

If with an awning later on a building wall with 200mm

Heat insulation is to be installed and the attachment of the awning is to take 5kN under consideration of possible wind loads, then sufficient with the inventive fastening / spacers 5 attachment points, while in the conventional attachment with 40 attachment points must be expected. With so many fixing points, the question must be answered as to whether the building wall still has sufficient strength in the area of the awning.

For mounting the spacers according to the invention, the following parts and working steps are used, for example:

a) a drill, with the heat insulation through a hole in the building wall is introduced

b) a crown drill or pot drill or milling cutter with which the bore is drilled in the thermal insulation in order to lay the foundation for further process steps

c) an end mill, with which the building surface in the area of Bore is milled to a defined

Establish footprint / contact surface for a spacer d. Clean the machined surfaces

e) a threaded rod / anchor, which is glued in a borehole of the building and protrudes from the building wall to be connected to the spacer.

f) a spacer, the

- two telescoping or telescoped

screwed tubular parts has been obtained, wherein the building wall side part with the protruding from the borehole

Threaded rod / anchor is connected and

the part of the spacer facing away from the building can be connected to the part to be fastened in front of the facade

or

consists of a hollow body with the length desired for the spacer and is connected to the projecting out of the borehole threaded rod or anchor and is connectable at the other end with a part to be fastened or

- consists of two parts screwed together and through

Shortened screws can be shortened and extended by unscrewing,

wherein the Gebäudewandseitiger part is bolted to the bonded in the well threaded rod, and

wherein the other part is screwed so far on the building wall side part or in the building wall side part until the spacer is flush with the heat insulation, and wherein the other spacer member is screwed to the part to be fastened in front of the facade The building wall may have various texture consisting of concrete, brick, perforated brick, hollow block, sandstone, aerated concrete and the like.

The crown drill provided here has a sleeve, one end of which forms a cutting edge. In the middle of the sleeve is adapted to the wellbore

Guidance is provided which protrudes sufficiently far from the sleeve to effect guidance in the thermal insulation and in the wellbore. The sleeve picks up the material cut out by it. Without the leadership of the crown drill would be a known sleeve-shaped drill for

Corresponding to core drillings where one material is a core

is bored out.

The threaded rod has the function of an anchor.

Instead of the threaded rod and other anchors can be used, for example, rods which are formed in the region of the bore like reinforcing steel and in the region of the screw with the spacer thread.

When inserting the threaded rod / anchor is the use of a

Advantageous tool with which the threaded rod / anchor can be held and guided exactly in the center of the bore. As a tool, for example, is a mandrel comprising the threaded rod / anchor at the threaded end, so that a short threaded rod / anchor can be pushed through the hole in the insulation in the hole in the building wall. In this case, a cone / funnel can be helpful, which is positioned on the mandrel so that it rests in the hole in the insulation when the

Threaded rod / anchor in the bore of the building wall has reached the predetermined position. This prevents the cone / hopper from skewing the threaded rod / anchor and the cone causes a position accuracy for the threaded rod / anchor in the longitudinal direction of the bore.

After solidification of the adhesive, the mandrel can again from the

Threaded rod / anchor are deducted.

It is advantageous if the milling of the seat for the spacer takes place on the building wall after gluing the threaded rod / anchor.

Then one leaked out of the hole in the building part and

in the meantime solidified adhesive mass to be removed with.

As a router, an end mill is used. This cutter has a hole in the middle, which is adapted to the diameter of the threaded rod / anchor. In addition, the outer diameter of the cutter is adapted to the diameter of the bore in the thermal insulation.

As a result, the cutter is guided at work on the threaded rod / anchor and in the bore in the thermal insulation.

Stand for screwing the building side spacer part

different solutions available.

One solution provides that in the building-side spacer member a corresponding thread or a nut or other insert is recessed with an internal thread, the thread of the

Threaded rod / anchor is adapted. In this case, the nut / insert of the plastic material of the building side spacer member is enclosed so that the loads from the attachment of the parts safely over the

Spacer and the threaded rod / anchor are routed into the building. The preparation of a building-side spacer member is preferably carried out by injection molding in a mold in which before filling a liquid

Plastic melt the nut / insert is positioned. As far as the occurring loads are passed without nut / insert of the spacer on the threaded rod / anchor, a reinforced plastic is preferably provided for the building-side spacer member. As a reinforcement, for example, high-strength fibers can be used, which are einmischbar in a liquid plastic melt. Even fibrous fine wires are suitable as a reinforcement.

The mixture can also be injection molded into the building

Spacer part are formed.

Such trained spacer member is rotated during assembly for connection to the threaded rod / anchor.

Another solution for the screw connection provides that the building-side spacer member can be plugged during assembly without rotation on the protruding from the building part of the threaded rod / anchor. For screwing with the threaded rod / anchor can a

Insert nut / insert loosely into the building-side spacer section. The building-side spacer part has for this purpose a sufficiently large opening, for example in the form of a bore, and

on the building side a bunch. The nut / insert may be on the

Threaded rod / anchor bolted so that the building side

Spacer part is clamped with the edge against the support surface on the building.

For screwing the nut / insert a mandrel is optionally provided again. The mandrel may include the nut / insert.

The insert can also be designed as the nut of a socket set. Nuts of a socket set are components that are suitable on one side for receiving a screw head or a nut and have on the opposite side a recess into which a socket wrench can engage. Optionally, the nut / insert also form a special component; For example, a sleeve which has a thread at one end and is suitable at the other end, the engagement end of a socket wrench

take. Such a socket wrench may for example be designed as Allen key or be a square key.

Usually, a ratchet is part of a socket set. With a ratchet a socket wrench can be moved back and forth and still a screw or a nut can be moved only in a selected direction of rotation. This is possible with a ratchet, which is installed in the head of the ratchet and engages only in the selected direction of rotation in a sprocket and a connection of the ratchet arm with the

Sprocket manufactures or slides in the other direction over the teeth of the sprocket.

Preferably, the bolting of the spacer in each of the embodiments discussed above is controlled with the threaded rod / anchor. This can be done by a torque wrench is used after a preliminary tension of the screw. The torque wrench can be placed on the socket wrench and transmits only one

preselected torque on the socket wrench.

The belonging to the spacer further part is preferably also made of plastic, more preferably of the same plastic as the building side spacer member.

The further spacer member has the corresponding thread to the thread of the building-side spacer member. If the building-side spacer member has an external thread for the screw connection with the further spacer member, the thread of the further spacer member is an internal thread. The situation can also be reversed. Then it is the external thread on the further spacer part and the internal thread on the building-side spacer part.

Optionally, the thread is a fine thread.

The screw remains in the application of a fine thread even in the desired screw position, if a screw of the other

Spacer part takes place with a part to be fastened.

In case of doubt, the selected screw position can be additionally secured. As a fuse is suitable for example a lock screw. It can be the

Spacers are also drilled in the screwing and a pin inserted into the hole. It can also be given a setting adhesive on the thread in the setting of the spacer, so that the curing adhesive blocks the screw. The adhesive is preferably a two-component adhesive and is chosen so that the time to curing of the adhesive is long enough to set all spacers to the desired level.

For screwing the other spacer member with the part to be fastened sits in the end of the further spacer member a threaded pin. The threaded stem may be molded, as discussed above in connection with a molded nut / insert. The threaded pin can also be screwed.

In order not to hinder the setting of the spacer, it can

be convenient to ventilate the cavity in the spacer. These are, inter alia, ventilation holes, which are introduced in the axial direction in the head of the further spacer member. Optionally, the Ventilungsöf hung after the adjustment of the spacer is also used to fill a curing agent, with which the spacer is secured against an adjustment.

Optionally, a rosette / cover for covering the spacer head is provided between the spacer and the part to be fastened. It is advantageous if the rosette / cover at the same time engages over the facade, so that an ingress of moisture between the insulation and the

Spacer is prevented. This prevents damage to the facade during frost.

The seal can still with a sealing washer between the

Rosette / lid and the facade can be increased.

Optionally, the rosette / lid is also glued to the facade.

Instead of the screwable spacer is also another

Length-adjustable spacer possible in the manner of a

Hydraulic piston / hydraulic cylinder is formed. A common one

Hydraulic cylinder engages around the piston and is acted on at least one side with hydraulic fluid until the piston occupies a certain position. Thereafter, the hydraulic line is blocked and the piston remains in the desired position. According to the invention, instead of

Hydraulic fluid filled a liquid adhesive or other material that solidifies and locks the piston in the desired position in which the piston or its piston rod protrudes to the desired extent from the cylinder.

Advantageously, for the cylinder and the piston a simple

Plastic material be used because the cylinder and the piston by the filled adhesive an essential Verfaß learn ^σιι η σ. The Zvlinder and the piston can consist of unilaterally closed with lids tubes of different diameters, so that the one tube can be pushed with its open end into the open end of the other tube. The covers of the tubes can be provided for mounting with the provided anchors or threaded rods / threaded pin with corresponding openings. In conventional viscous nature of the adhesive openings may well have such a large play of movement that the anchor or

Threaded rods / threaded pins easily slide through the lid.

The lids may be welded or held in the tubes solely by mechanical forces.

Preferably, in the lid, which is remote from the wall of the spacer, there is also an opening for introducing the adhesive.

Optionally, only a single tube is used as a spacer, that is cut to length in place of longer pieces of pipe and immediately has the desired length of the spacer. Then piston or other tubes are unnecessary. The one tube is closed with lids, as explained above in another embodiment.

For all gluing processes:

Before bonding, the adhesive surfaces are carefully cleaned, for example with a compressed air lance or with a suction lance, which is guided into the bore. If necessary, compressed air lance or suction lance is provided with a brush to be replaced with the parts that are not sufficiently with the

Building wall are connected.

The bonding can be done in a conventional manner by first a suitable, solidifying adhesive and then the threaded rod in the

Borehole be pressed. The bonding can be done using a conventional adhesive cartridge, which means. 7next soon Prepare a variety of boreholes so that a glue cartridge can be used as far as possible.

Optionally, a separate small adhesive cartridge can be placed in each well, which is then destroyed by pressing the threaded rod and releases the adhesive that surrounds the threaded rod and solidifies.

It can also be glued a dowel in the well, in which the

Threaded rod is screwed.

The bond causes despite spreading a lasting hold of the anchor. The invention has the advantage of a very low cost even with a small number of dowels to be placed with the cartridges.

After the new development, the adhesive gives the expansion dowel the necessary hold. The power development can be omitted, which in conventional

Expansion dowels is required to produce a sufficient pressure against the wall of the hole for the dowel or for frictionally locking the dowel in the hole. The spreading process can end when the dowel touches the hole wall on all sides, but still no significant pressure against the

Hole wall has been unfolded. This can be easily recognized by the fact that a further resistance builds up against the further spreading.

Advantageously, therefore, find a lighter screw application. The lighter screw may be made of a lower strength material or have a smaller diameter.

For the glue consumption is also advantageous if the expansion dowel is provided at least one end, better still at both ends with a resilient edge. The edge may be fixed or be integral with the rest of the dowel or slidably mounted on the dowel. The movable one

Arrangement allows an adaptation of the adhesive surface on the dowel to the

Hole wall. This is particularly advantageous for thin plasterboard walls.

The border may be, for example, a thin lip. The lip can

have different cross-sectional shapes, for example, the shape of a resilient bead or the shape of a thin resilient web. With the lips, the length of the cavity to be filled with adhesive in the hole for the dowel is limited.

For the glue consumption is also advantageous if the diameter of the hole for the dowel is chosen as low as possible. There are one

Motion play for inserting the dowel into its hole and a

sufficient flow area for the adhesive to be considered.

The adhesive cartridge can be arranged in the dowel or on the dowel jacket. One or more adhesive cartridges may be provided for a dowel. When using multiple adhesive cartridges the same adhesive cartridges can be used for different dowels by the differences in the dowels by changing the number of adhesive cartridges is taken into account.

The adhesive cartridge can surround the dowel outside hose-shaped. Then the adhesive cartridge is double-walled and the adhesive between

Inner sheath and outer sheath arranged.

Preferably, adhesive cartridges with a simple tubular or tubular jacket are used. Such glue cartridges can be arranged as individual cartridges in Dübelinneren. Such glue cartridges can also be bundled for an arrangement in the dowel interior to several or embedded in the dowel coat or individually to several.

The housing of the adhesive cartridges may consist of different materials. This includes, for example, plastic. Plastic films can be produced cheaply and processed favorably. Of particular advantage is the easy weldability of plastic films in the production of the adhesive cartridges and closing the glue cartridges after filling.

Plastic films can also have components that protect the adhesive from the

Protect solar radiation or other environmental influences.

For particularly high demands can be plastic foils in one

Bring together with other materials. These include metal foils. The

Metal foils form particularly resistant layers against the

Diffusion of water vapor or other media; as well against one

Radiation exposure.

Even more preferably, the adhesive cartridges are provided with a predetermined breaking point. The predetermined breaking point includes a weakening of the

Adhesive cartridge case, so that the adhesive breaks at a corresponding pressure load on the cartridge at a predetermined and releases the adhesive.

If the adhesive cartridges are arranged within the expansion dowel, it is advantageous if the expansion dowel is slotted in the usual manner over a certain length in the longitudinal direction to allow the spreading. The glue must flow through the slots. That's why there's one for the slots as well

sufficient flow area for the adhesive to be considered.

For gluing various adhesives are suitable. Preferably, an at least partially curing adhesive and / or an adhesive mixture is used in which one adhesive component has a mortar base and another adhesive component has a plastic base. The mortar base should positively influence the adhesion to the building material of the building part, the

Plastic base the adhesion to a plastic dowel.

Also common adhesives such as PU adhesive come into consideration. For PU adhesives, a distinction is made between 1-component adhesives (one-component adhesives) and 2-component adhesives (two-component adhesives). PU adhesives consist of isocyanate and polyol. The two components are filled together in a pressure vessel and together with a propellant, so that they emerge again at an opening of the container. For small quantities, the container is a can. For large quantities, the container is correspondingly large.

To react, the two components still need water. The water can be humidity or other moisture. The 1K PU adhesives cure on reaction with the water. If the water is the

Ambient air is removed, so there is a curing from outside to inside. Curing usually takes several hours on the way. In contrast to the 1-component PU adhesive, the components of a 2-component PU adhesive react when the components are mixed. 2-component PU adhesives generally have greater strength than 1-Component PU adhesives.

PU adhesives (two-component adhesives) harden

Polyaddition reaction. Other adhesives with the same reaction are epoxy adhesives. These adhesives are called resin and hardener. EP adhesives have advantages in the application to metals.

Other adhesives cure by polymerization.

Such adhesives are often based on methyl methacrylate. These adhesives are characterized by very short reaction times.

When using two-component adhesives, the inventive use of several cartridges in a dowel or on a dowel opens the

Possibility of combining differently filled cartridges. In the one cartridge can then be contained one reaction component and in the other cartridge at the other reaction component.

A preferred embodiment of the anchor has a sleeve-shaped body, which is slotted at one end preferably multiple times. For example, three slots extending in the longitudinal direction of the sleeve are provided. The remaining segments between the slots have inwardly directed bulges / indentation, can be partially inserted into the adhesive cartridges.

The adhesive cartridges can already be prepared at the factory and for

To simplify the dowel handling be glued in the inwardly directed bulges of the dowel sheath.

The inward curvature narrows the sleeve opening. If the anchor with the adhesive cartridges is placed in a corresponding hole in a building and a screw is rotated through the sleeve opening, a widening of the sleeve in the area of the adhesive cartridges. At the same time, the adhesive cartridges are pressed against the wall of the hole until they burst and the adhesive is released.

The screw is optionally similar to a wood screw with a

formed sufficiently long tip that easily penetrates between the bulges of the sleeve, so that the screw engages well between the vaults.

The final diameter of the screw then determines the degree of deformation of the adhesive cartridges. The adhesive runs in the cavity between the dowel and hole wall and also through the slots in the cavity between Screw and dowel inner wall. After curing of the adhesive, the dowel sits firmly in the building. The dowels and adhesive cartridges can also be used independently of the spacers in buildings application.

Optionally, the screw is coated with a release agent to which the adhesive does not adhere, so that the screw can be unscrewed at will and screwed in again and optionally replaced with another screw or a hook or eyes or the like. A suitable release agent is, for example, silicone or Teflon.

The anchors and threaded rods are optionally made of stainless steel. This prevents the anchors and threaded rods from passing through

Moisture corrode.

Incidentally, it is advantageous if the spacer with a

Fire retardant is coated.

Optionally find the spacers of the invention and the

intended work steps also on vertical installation variants such as

Example doors, windows, facade elements, suspended ceilings, pipe systems, air conditioning systems and the like components which are mounted hanging or standing.

In the drawing, an embodiment of the invention is shown.

Fig. 1 shows a building wall 1 with a thermal insulation. 2

Before the thermal insulation 2, an unillustrated canopy is to be mounted. This must be a fixture for the canopy by the Heat insulation 2 made of rigid foam anchored in the building wall.

For anchoring 3 holes 5 are drilled at a predetermined location through the thermal insulation 3 into the building wall 1 with a hammer drill 4 and a drill.

2, a crown drill 10 is used in the next step.

With the crown drill is that of FIG. 1 in the thermal insulation. 2

incurred hole drilled to the building wall 1. It takes the

Crown drill 10 the cut-out parts of the insulation in itself. The crown drill 10 has a sleeve whose open front end as

Cutting edge is formed. The sleeve 10 is held on a rod which is seated at one end in the chuck of the hammer drill 4 and engages in the borehole at the other end and forms a guide.

Fig. 3 shows the crown drill 10 in a single view.

In this case, the sleeve 10 is provided with markings which make it easier for the installer to maintain a drilling depth which is the same as the thickness of the thermal insulation, but does not go beyond that.

The hammer drill 4 is for drilling the hole in the insulation 2 convertible to sole drilling without simultaneous hammering.

4 shows the next step in which a cleaning of the borehole 5 takes place. This is done via a probe 16 with an air pump 15. With the air pump 15 16 air is blown into the borehole 5 via the probe. 5, the wellbore 5 is filled with a two-component adhesive. The two-component adhesive comes from a cartridge with a standard one

Hand press pressed into the hole 5.

After Fig.6 is after filling the two-component adhesive in the

Drill hole 5 a threaded rod 25 used. For insertion takes place according to Fig. 7, a guide rod 27 application. With the guide rod 27, the threaded rod 25 can be detected at the end. This is done before inserting the threaded rod in the hole 5. This can take place a screw. For this purpose, a corresponding threaded hole 27 is provided in the guide rod. Sufficient but can also be a hole without internal thread, in which the

Threaded rod 25 with its end finds sufficient support.

The threaded rod 25 is guided during insertion at one end in the borehole.

To guide a cone can be mounted on the guide rod.

With the cone, the guide rod is centered in the borehole of the thermal insulation. After properly setting the cone on the guide rod, the cone prevents the threaded rod from being pushed too deep into the drill hole.

The guide will remain in place until the glue has solidified in the hole. Then, the guide rod 27 can be unscrewed or withdrawn from the threaded rod 25.

In other embodiments, other threaded rods are provided with larger diameter for larger loads.

Depending on the amount of adhesive occurs when penetrating the threaded rod 25 in the adhesive with some glue back from the well, the Contact surface of the spacer on the building wall contaminated.

In addition, the contact surface may be uneven.

Therefore, a leveling of this contact surface of FIG. 8 is provided. This is done by means of an end mill 35. The end mill 35 has a cylindrical shape shown in Fig. 9, wherein the end face 34 with corresponding

Cutting is provided. In addition, the end mill 35 has centric in the

End face a hole 37 with a diameter which allows the end mill 35 to slide over the projecting out of the borehole end of the threaded rod 25. The end mill 35 has a pin 38 which sits in the chuck of the hammer drill 4. The hammer drill 4 is switched back to sole drilling for this work.

The end mill 35 consists according to FIGS. 10 and 11 of a holder 36 and a replaceable cutting insert 39. The illustrated insert is for a

Threaded rod Ml 2 determined. To be pushed over the threaded rod, the insert has a central hole with a diameter of 13mm. For inserts for other threaded rods, hole diameters of 17mm, 21mm, 28mm, 28mm, 31mm may be appropriate.

After the processing of the contact surface on the building wall, a building-side spacer member 40 in the form of a pin with a

gebäudewandseitigem collar screwed onto the end of the threaded rod 25, which protrudes from the borehole. The screwing is continued until the spacer member 40 comes to rest with the collar milled surface of the building wall. A slight further rotational movement leads to a tension of the spacer member 40 on the building wall.

For screwing a continuous cylindrical and extending in the longitudinal direction opening is provided in the spacer member 40. At the building-side end of the opening protrudes an edge / collar with an inner diameter which is larger than the outer diameter of the threaded rod 25, so that the spacer member 40 on the out of the borehole

Unscrew outstanding end of the threaded rod 25 until an insert in the opening of the spacer member 40 on the projecting end of the

Threaded rod 25 abuts. This is done according to Fig. 12 with a socket wrench 41. The socket wrench 41 is rotated with a ratchet. This happens gradually, because the ratchet is moved back and forth. By the rotation of the socket wrench 41, the insert is rotated and on the

protruding end of the threaded rod 25 screwed until the spacer member 40 is braced on the building wall.

The Einsatzöfmung 42 for the socket wrench is shown in Fig. 13.

The opening width is greater than the diameter of the associated threaded rod, so that the socket wrench does not hinder the screwing of the spacer member on the threaded rod.

The spacer member 40 has an external thread.

With the spacer member 40 corresponds to a further spacer member 50 in the form of a closed to the outside of the heat insulation tube, which forms an adjustable spacer with the spacer member 40. For this purpose, the spacer member 50 is seated with an internal thread on the

Spacer part 50. The thread is a fine thread.

By changing the screw position creates an extension or

Shortening of the spacer.

For screwing the spacer member 50 also has an opening / seat for the socket wrench 41st In addition, the spacer member 40 may be combined with further longer or shorter spacer members. The longer or shorter

Spacer parts differ in the exemplary embodiment of the

Spacer part 50 by longer or shorter tubes.

The spacer is set in the exemplary embodiments so that its head is flush with the heat insulation and protrudes the threaded rod or a threaded rod piece.

FIGS. 19 and 20 show two spacers according to the invention, in which the cavity for thermal insulation is filled with soft plastic foam 62 or 63.

In addition, as far as a cap 60 with a central opening for the threaded pin 51 applies, the spacer is adjusted so that the seated on the head of the spacer cap 60 with the

Heat insulation flush. In this case, an edge is provided with a seal on the cap, with which the thermal insulation is overlapped. The situation is shown in Fig. 21; the cap in Fig. 22nd

The spacer member has a threaded pin 51 at the head.

Fig.23 shows in a further exemplary embodiment of the invention a

Building wall 70 with a front mounted thermal insulation 72. For an awning attachment in front of the thermal insulation 72, a bore 71 has been introduced through the thermal insulation 72 into the building wall 70. In the bore 71, a threaded rod 73 is glued. The threaded rod 73 extends far into the thermal insulation 72, but ends before the outside of the thermal insulation72. The bore 71 has been drilled in the insulation to measure 77. In the resulting larger bore a conical reinforcement 74 is screwed from a high-strength plastic. For this purpose, the reinforcement 74 has a longitudinally continuous threaded hole. The gain 74 has

Gebäudewandseitig a diameter which is about 5 times the diameter of the threaded rod 73. Reinforcement 74 tapers to the outside of the thermal insulation. The reinforcement 74 is by turning on the

Threaded rod 73 has been clamped against the building wall surface.

At the end of the threaded rod 73 sits a molded part 75 made of high-strength plastic on the threaded rod 73. The associated threaded bore in the molded part 75 is formed as a non-self-hole, so that the molded part 75 can be screwed with tension on the threaded rod end.

The molded part 75 serves for thermal decoupling of the threaded rod. For this purpose, a head piece 76 has been separated from the threaded rod and screwed into a likewise formed as a blind hole threaded hole, which is opposite to the previously described blind hole in the molding 75 exactly.

The outside of the thermal insulation shown plate 78 is a

Façade panel used for the insertion of the hole 77 and the conical

Reinforcement has been removed and brought back to the original place after the final assembly of the spacer, before the housing of the awning, not shown, is attached to the head 76 of the threaded rod.

Fig. 24 shows two further exemplary embodiments of the invention one above the other on a building wall 80 and with a thermal insulation 81. The upper

Exemplary has a continuous threaded rod 82 which is glued into a hole in the building wall 80 and through the

Thermal insulation 81 extends and protrudes outside the thermal insulation 81. The hole for the gluing of the threaded rod 82 is as in the exemplary embodiment 23 by the Wärmedämmun ^g 81 through in the Building wall 80 has been brought. Then the hole has been drilled out. Then a reinforcement 83 has been screwed onto the threaded rod 81 and against the building wall 81. That's different from that

Exemplary embodiment according to FIG. 23 by a cylindrical shape of the reinforcement

83. In addition, other than in Fig 23 further cylindrical body have been screwed onto the threaded rod 82. Here, the outside cylindrical body 83 is identical to the reinforcement 83. The other cylindrical body

84, 85 and 89 form intermediate pieces between the reinforcement 83 and the outside body 83. All additional cylindrical bodies are

against each other and against the reinforcement braced, in another

Example glued together. This increases the reinforcement of the threaded rod.

The externally projecting end of the threaded rod 82 serves in the exemplary embodiment of the attachment of an escape staircase located outside the building.

The spacers and the outside cylindrical body allow adaptation to the thickness of the existing thermal insulation. This is done by replacing other cylindrical bodies. In the exchange, the cylindrical body of the building-wall reinforcement can be included. When changing the total thickness of all cylindrical body and the length of the threaded rod can be changed by replacement. This means that you do not have to mount a too short or too long threaded rod and then replace it. Rather, immediately becomes one

Threaded rod chosen with a length that still protrudes at the desired total thickness of all cylindrical body sufficient for the attachment of the functional part of measure against the thermal insulation,

i,

The lower embodiment of Fig. 24 is different from that

Exemplary embodiment by a three-piece threaded rod, which is composed of pieces 87, 90 and 91 together. Between the "versr.hi ^p Henen pieces are to provided thermal end coupling. For this purpose, another cylindrical Verstärk88 and a structurally identical cylindrical body 88 on the outside

Application. The reinforcement 88 has like the part 75 of FIG. 23, two threaded blind holes. The same applies to the outer body 88 in FIG. 24. The building wall-side booster 88 is firmly screwed to the projecting from the building wall 80 end of the threaded rod 87. In addition, the threaded rod 90 is fixed in the associated threaded blind hole of the

Gebäudewandseitigen amplifier 88 screwed. On the threaded rod 90, the cylindrical intermediate pieces 86 in the same way as the

Bolted or glued intermediate pieces of the exemplary embodiment illustrated above. The identical to the amplifier 88, externally arranged cylindrical body 88 corresponds correspondingly to the threaded rod 90 and the threaded rod 91. The design of FIG. 24 causes a

Increase the reinforcement for the threaded rod. In addition, the allowed

Construction of Fig. 24 shows an adjustment of the total thickness of the thickness of the existing thermal insulation. The same applies to the threaded rod. In this case, the replacement can be limited to a part or two parts of the three-piece threaded rod provided according to FIG. 24.

According to Fig. 25, the same part 87 of a threaded rod is glued to the same building wall 80 in a further embodiment of the invention. On the threaded rod / threaded rod piece 87, however, a tube 95 is attached, the Gebäudewandseitig has a closed end 96. The end 96 is tensioned with a nut 99 against the building wall 80.

The tube 95 is open at the opposite end provided with an internal thread, so that a second tube 97 in the open end of the tube 95th

can be screwed. The second tube 97 has a correspondingly smaller outer diameter than the first tube 95 and for the screw externally an external thread. In the region 101 fibers, tubes 95 and 97 are in a poor condition. The tube 97 is open on the building wall side. The other end 100 is closed. In the end 100, a threaded rod piece 91 is attached, which is the

Threaded rod piece 91 of FIG. 24 corresponds. The threaded rod piece 91 of FIG. 25 is seated in a threaded hole of the closed end 10 O and is secured with a nut.

The tube 97 can be further screwed into the tube 95 or partially screwed back out of the tube 95. This changes the length of the spacer formed by both tubes 95 and 97. The change in length serves to adapt to the thickness of the respective thermal insulation.

So that the trapped air within the tubes does not hinder the change in length, two ventilation holes are provided in the closed end 100.

In the selected length can be screwed into each other by the tubes of the pipe 95 on the building wall and by the connection with the functional part, not shown in the selected

Bolt position can be kept. This results in a rotationally fixed arrangement of the functional parts already by a simultaneous connection with another spacer. If no adequate rotationally fixed connection is mediated by the functional part or a backup of the screw is desired before attaching the functional parts, is a blockage of

Thread and the tube 97 is provided. This can be achieved in a simple form with an adhesive or by pins or the like, which are driven in the area 101 through openings in both tubes.

The construction of FIG. 25 allows the production of a spacer with less material but the same load capacity as in an embodiment according to FIG. 23 or 24 or with the same use of material with a higher load capacity than in a design according to FIGS. 23 and 24. In a further exemplary embodiment, not shown, instead of the tube 95, a cylindrical body is provided as a building wall-side amplifier, which, like the tube 95, is held with a threaded rod piece 95 in the building wall. This cylindrical body is externally threaded so that an internally threaded tube can be screwed onto the cylindrical body. The screw-on tube has the same features as the tube 97 in FIG. 25 with respect to the closed end and a threaded rod piece seated in the closed end.

In a further exemplary embodiment, instead of the above

described cylindrical, externally threaded body provided a pin. The pin also has a cylindrical body. However, this body is provided on the building wall side with a collar. In Fig. 26 is a series of three

Spigot shown. The length of the pins 105.1, 105.2 and 105.3 is

differently. The thickness of the collar is 106.1, 106.2 and 106.3

differently. The diameters are the collar and the cylindrical body is the same. Likewise, all pins have a through hole with an internal thread. At the end, which faces away from the collar, the pins are provided with a hexagon 108. The hexagon is used to mount the pin. In this case, the pin is detected on the hexagon 108 with a tube whose front opening is modeled on the hexagon. With the tube, the pin is rotated / screwed on the threaded rod until it rests against the building wall. Another slight turning then causes a tension of the pin on the building wall.

During turning / screwing, the tube moves a short distance over the threaded rod. The longer the pins are, the greater the support effect for the associated threaded rods.

Preferably, the pins are provided for Ml 2 threaded rods or corresponding anchors with the following lengths and collar thickness corresponding to the thicknesses of occurring thermal insulation

Length in mm: 55, 70, 90, 110, 130, 150, 170, 190, 210

Collar thickness in mm: 8, 10, 10, 10, 15, 30, 30, 40, 40

Furthermore, up to a tenon length of 90 mm, the lateral surface of the pin approximately at right angles in the collar over.

For larger spigot lengths so large bending loads can result in the pin that a rounding with a large radius as a transition and / or an oblique transition from the lateral surface of the pin in the collar is beneficial.

The pins do not just have to interact with pipes that one

having closed end as the exemplary embodiment of FIG. 25 with threaded rod piece seated therein.

The pins can also open with, inside with an internal thread

co-acted pipes, which are screwed like closed pipes on the pins. Such tubes may have different lengths.

Preferably, for Ml 2 threaded rods or corresponding anchor the

Spigot lengths are assigned the following tube lengths:

Spigot length in mm: 55, 70, 90, 110, 130, 150, 170, 190, 210

Tube length in mm: 75, 85, 105, 120, 120, 120, 120, 120, 120

Other lengths may result for other threaded rods. In Fig. 27 tubes 110.1, 1 10.2, 110.3 are shown with tube lengths of 75, 85, 105mm. All tubes are provided in the exemplary embodiment throughout with an internal thread.

By different screwing or screwing back, as in the exemplary embodiment according to FIG. 25, an adaptation of the spacer length to the thickness of the thermal insulation can take place.

In order to provide a solution similar to that of the outside pipe according to FIG. 25, the pipes according to FIG. 28 are closed on the outside with further pins. The other pins are composed of a cylindrical body 115 with external teeth and a collar 116 together. The length of the pin is the same in the exemplary embodiment for all spacers. In other embodiments, the length may vary.

In the pin is centrally located a blind hole 119 with internal thread for a threaded rod piece. In addition, a recess 118 is incorporated in the collar on the collar side in the end face, the recess can be described as an annular groove, the inner wall has been regularly distributed on six surfaces flattened into a hexagon 117. Unlike the building wall-side pin with the attached hexagon 108, a same hexagon 117 is sunk in the end face of the pin of FIG. 28 sunk. The hexagon 117 can be detected with the same tool as the hexagon 108 and screwed / turned in the pipe end.

Subsequently, as in the embodiment of FIG. 25 a

Threaded rod piece used, in the blind hole 119 for connection to the functional part to be fastened.

29 shows the interaction of the building wall-side pin 120 with the tube 124 and the outside pin in two superimposed representations. In the upper illustration, both Zanfen 120 and 121 are like that screwed far into the tube 124 that they lie against each other. This results in a distance of 245 mm for the spacer.

In the lower illustration, the two pins 120 and 121 are so far

screwed apart, that a spacer size of 275 mm has arisen. In the lower illustration it is shown that the pin 121 has held its position in the tube 124. For this purpose, the screw connection between the pin 121 and the tube 124 is blocked in the exemplary embodiment.

Figs. 30 and 31 show the use of various connection plates 140 and 141 for functional parts which are subject to a particular load. These terminal plates 140 and 141 are supported by a plurality of spacers according to the invention to accommodate the resulting load.

Fig. 29 shows a pin 130 for a spacer according to the invention, with different terminal plates and intermediate plates

131,132,133,134,135 can be combined.

In a further embodiment, not shown, the invention is to AnkerAnwendung, which have been passed through the building wall and building inside are held with a Auf-Putz-Teller or a Unterputzteller. Such anchors can be clamped and / or glued in the same way as the anchor and threaded rods described above. The anchors then protrude either to the building wall in the insulation or until the insulation. The reinforcement according to the invention can then take place in the same way as in the embodiments described above.

Claims

Patent claims

1.

Thermally insulated building wall with spacers for subsequent external attachment of a functional part such as a canopy or an awning or an advertising system or an escape route or a staircase or a scaffold or lamps or a camera or the like, the attachment being carried out via the spacer through the thermal insulation,

whereby the spacer engages into the building wall with a threaded rod or an anchor,

characterized in that the threaded rod or anchor with a

Amplifier is provided, which is attached to the building wall when the

Threaded rod or anchor sits in the building wall

characterized in that the amplifier at the contact surface with the building wall has at least three times the outside diameter, preferably at least four times the outside diameter, and even more preferably at least five times the outside diameter of the threaded rod or the anchor.

2.

Building wall according to claim 1, characterized in that the

Threaded rod or anchor

a) is braced with the building wall or

b) is glued to the building wall or

c) is glued and braced to the building wall

3. Building wall according to claim 2, characterized in that

a) the reinforcement in turn sits with a thread on the threaded rod and can be clamped against the building wall by turning, preferably secured in the clamping position with a lock nut or

b) the reinforcement surrounds the threaded rod or the anchor at a distance and by means of a seated on the threaded rod or the anchor

The screw nut can be clamped and is secured against loosening in the clamping position, with a lock nut or a washer preferably being provided as a lock, which in the clamping position of the reinforcement can be folded with one part around the head of the reinforcement and with another part around it

Screw nut is foldable or

c) the reinforcement is glued to the building wall independently of the fastening of the threaded rod in the building wall or together with the

Threaded rod or anchor is glued to the building wall.

4.

Building wall according to claim 3, characterized in that the adhesive layer forms a compensating layer between the building wall and the reinforcement.

5.

Building wall according to claim 3 or 4, characterized in that when bonding between the building wall and the reinforcement there are depressions in the wall surface and/or the contact surface of the reinforcement.

6.

Building wall according to one of claims 1 to 5, characterized in that the reinforcement surrounds the threaded rod or the anchor and is directed towards

The outside of the thermal insulation tapers or has a cylindrical shape.

7.

Building wall according to claims 1 to 6, characterized in that

Reinforcement in the direction of the outer wall of the thermal insulation has a dimension that is at least equal to 1/3 of the thickness of the thermal insulation, preferably at least equal to 0.5 times, and even more preferably at least equal to 2/3 of the thickness of the thermal insulation.

8th.

Building wall according to one of claims 1 to 7, characterized in that the reinforcement consists of plastic, preferably of non-foamed, high-strength plastic with low heat transfer compared to the steel of the threaded rod or anchor.

9.

Building wall according to one of claims 1 to 8, characterized in that the threaded rod or the anchor for subsequent fastening of the functional parts provided on the building wall protrudes in one piece up to the outer wall of the thermal insulation or the threaded rod or at least is designed in two parts and as in a one-piece form up to in front of the outer wall

Thermal insulation protrudes, with a molded part made of non-foamed plastic with low heat transfer connecting the two rod parts or anchor parts being provided between the two parts of the threaded rod or anchor, which causes thermal decoupling of the threaded rod or anchor.

10.

Building wall according to one of claims 6 to 9, characterized in that after assembly of the threaded rod or the anchor and the reinforcement The cavity remaining in the borehole of the thermal insulation is filled with plastic, preferably with a plastic that is the same as the plastic of the reinforcement.

1 1.

Building wall according to claim 10, characterized in that the reinforcement is provided with a cylindrical shape which completely or partially fills the borehole or, if the borehole is partially filled, is combined with at least one further cylindrical body to completely fill the borehole.

12.

Building wall according to claim 1 1, characterized in that the further cylindrical body also forms the shaped piece provided for thermal decoupling.

13.

Building wall according to claim 11 or 12, characterized in that the further cylindrical body is connected to the amplifier, preferably glued, and complements the amplifier in its effect of stiffening the threaded rod or the anchor.

14.

Building wall according to one of claims 1 to 13, characterized in that the spacer is adjustable in length, for length adjustment between the threaded rod or the anchor and the fastening point for the

Functional parts that can be pushed into one another and apart or profiles that can be screwed into one another and apart, preferably tubes, are provided.

15.

Building wall according to claim 14, characterized in that the

Building wall-side amplifier has a peg shape, the peg forming the contact surface with the building wall, and that on the peg there is a tube extending towards the outside of the thermal insulation, the pipe preferably being closed at the end that faces away from the peg and where Even more preferably, in the end that closes the tube, a threaded rod piece or anchor piece is held for connection to the functional parts.

16.

Building wall according to claim 14, characterized in that the

The amplifier on the building wall is formed by a pipe which rests against the building wall with a closed end and in or on which another pipe sits with an outwardly closed end, the end of which is intended for connecting the functional parts.

17.

Building wall according to claim 14, characterized in that as

Building wall amplifier and for fastening the functional parts, pins are provided, which are connected to each other by a pipe or a rod, the pipe sitting on the pins and the rod sitting in the pins.

18.

Building wall according to one of claims 14 to 17, characterized in that the parts that can be pushed into one another and apart or the parts that can be screwed into one another and apart can be locked in the respective setting, with adhesive preferably being provided for locking.

19.

Building wall according to one of claims 14 to 18, characterized in that the tenons are provided with a collar which forms the contact surface with the building wall.

20.

Building wall according to claim 19, characterized in that the collars protrude from the pipes and the spacers between the protruding collars are covered with a plastic foam tube, the collar on the outside pin being larger than the drill hole in the thermal insulation and thus reaching over the uninjured thermal insulation .

21.

Building wall according to one of claims 1 to 20, characterized by an external cover of the borehole in the thermal insulation after installation of the spacer.

22.

Method for assembling the spacers according to one of claims 1 to 21, characterized in

a) first drill a hole through the thermal insulation

Building wall is brought

b) the hole in the area of the thermal insulation is drilled for a spacer

c) the holes are cleaned

d) an anchor/threaded rod is fastened in the hole in the building wall e) an amplifier is mounted on the anchor/threaded rod protruding from the building wall on the side of the building wall

f) the hole in the thermal insulation is closed again g) the functional parts directly on the anchor/threaded rod that protrudes in front of the thermal insulation or indirectly via other parts in front of the

The anchor/threaded rod ends on the outside surface of the thermal insulation

23.

Method according to claim 22, characterized by the use of a hard metal masonry drill to produce the hole in the building wall.

24.

Method according to claim 22 or 23, characterized by using a crown drill or cup drill to drill out the hole in the

Thermal insulation, wherein the crown drill or cup drill is preferably held with a guide, which is preferably formed by a guide rod or the masonry drill.

25.

Method according to one of claims 22 to 24, characterized by the use of compressed air for cleaning.

26.

Method according to one of claims 22 to 25, characterized by

Creating a flat contact surface for the spacer on the

Building surface, preferably by using a face mill with a central hole with which the face mill over the from the drill hole

outstanding threaded rod or anchor is guided.

27. Method according to one of claims 22 to 26, by coating the spacers with a fire retardant.