EP2508693B1 - Fitting plug for fitting an anchor casing to a formwork - Google Patents
Fitting plug for fitting an anchor casing to a formwork Download PDFInfo
- Publication number
- EP2508693B1 EP2508693B1 EP12162223.7A EP12162223A EP2508693B1 EP 2508693 B1 EP2508693 B1 EP 2508693B1 EP 12162223 A EP12162223 A EP 12162223A EP 2508693 B1 EP2508693 B1 EP 2508693B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formwork
- anchor sleeve
- assembly plug
- threaded shaft
- base body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009415 formwork Methods 0.000 title claims description 54
- 239000004033 plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 239000004568 cement Substances 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 239000000835 fiber Substances 0.000 description 5
- 230000009194 climbing Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000009416 shuttering Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/18—Adjusting tools; Templates
- E04G21/1841—Means for positioning building parts or elements
- E04G21/185—Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
- E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete
Definitions
- the invention relates to a mounting plug for mounting an anchor sleeve on a formwork according to the preamble of patent claim 1.
- anchor points for a climbing formwork, a climbing frame or the like have to be introduced into a concrete element to be produced from fresh concrete, for example a concrete wall reinforced with steel.
- anchor sleeves are each mounted by means of a mounting plug to a formwork used in the production of the concrete component and poured together with the mounting plug in the fresh concrete. While the anchor sleeves remain permanently in the concrete component and thus form the anchor points, the assembly plugs used must be removed again after the setting of the fresh concrete and stripping the formwork from the concrete component produced.
- the mounting plugs at least in one of the prior art counting embodiment on a screwed into the anchor sleeve threaded shaft and are usually attached to the formwork with the usual nails on construction.
- the assembly plug In order for the assembly plug to be able to separate again from the anchor sleeve after the fresh concrete has set and to be removed from the concrete component, penetration of fresh concrete and other contaminants into the threaded connection of the anchor sleeve with the assembly plug must always be avoided. Otherwise, the assembly plug can not be solved in the worst case, or only with an undesirably high cost of the anchor sleeve and removed from the temporarily solidified concrete component.
- the threaded portion of the anchor sleeve can be so dirty with (hardened) concrete that it is useless as an anchor point for Gesimskappenschalung, climbing formwork or a scaffold or the like.
- a cladding tube made of fiber concrete is used, which pushed in the sense of a protective sleeve on the anchor sleeve or the shaft of the mounting plug and clamped by screwing the anchor sleeve on the mounting plug between the mounting plug and the anchor sleeve (axially) becomes.
- the Fiber cement pipe remains after stripping together with the anchor sleeve in the concrete component produced.
- the document DE 72 30 171 U discloses a mounting plug according to the preamble of claim 1.
- the disclosure WO 2009/071579 A1 An anchoring element to which components can be anchored directly.
- the anchoring element has a cylindrical base body with two conical end portions and consists of several individual parts.
- the object of the invention is in contrast to provide a mounting plug, which is easily detachable from the concrete and provides better protection against the ingress of dirt or moisture in the anchor point.
- the advantage associated with the assembly plug according to the invention consists essentially in the fact that this is easier to handle and at the same time an improved protection of coupled with the mounting plug anchor sleeve to prevent ingress of fresh concrete or other contaminants.
- the mounting plug is screwed with its threaded shank so far into the mounting sleeve until its stop surface sealingly abuts the anchor sleeve.
- the use of a fiber cement pipe used in the prior art as a protective cover is unnecessary, which offers corresponding time and cost advantages.
- the mounting plug can be nailed via its passage in a conventional manner to a formwork. In addition, the passage provides the opportunity, the mounting plug, in particular from a back of the formwork ago by means of a guided through the formwork without screw nut or the like.
- the mounting plug or the anchor sleeve can be mounted particularly securely on the formwork. Changes in position of the mounting plug or the anchor sleeve relative to the formwork can be safely avoided even at higher mechanical loads, as can occur when using a concrete vibrator. Overall, the anchor sleeve can thereby be positioned within the concrete component to be created much more reliable in a predetermined manner and aligned with respect to the concrete component / its surface.
- the assembly plug according to the invention can also be more easily and safely unscrewed from the cast-in anchor sleeve on the drive profile and thereby removed without much effort from the (solidified) concrete component. This can also be done by means of motor support, for example by means of a compressed air or electrically operated turning tool, which can significantly speed up and simplify this previously time-consuming and power-consuming step.
- the main body of the mounting plug has two longitudinal sections with different conicity.
- a near-surface wall portion of the recess produced by the mounting plug in the concrete component to the surface of the concrete component can be formed approximately perpendicular.
- a penetration of dirt and moisture is counteracted in the generated anchor point, which is advantageous in terms of protection of the anchor sleeve or the anchor point from corrosion.
- One of the two and / or both longitudinal sections have different axial lengths, wherein the longitudinal section associated with the threaded shaft has a length corresponding to the threaded shaft of the mounting plug or is shorter than the threaded shaft.
- the sealing function of the mounting plug according to the invention can be further improved in that the stop surface of the mounting plug made of plastic, Rubber or other sufficiently elastically deformable material (elastomer) is made.
- the abutment surface of the mounting plug can then be axially pressed against the anchor sleeve by way of the threaded engagement with an internal thread of the anchor sleeve so that the abutment surface of the anchor sleeve abuts in a fully sealing manner.
- Smaller unevenness of the stop surface or one of the stop surface of the Montagsstopfens associated contact surface of the anchor sleeve can be compensated in this way, as well as located between the stop surface and the contact surface impurities.
- the mounting plug can be made of a metal or even a total of a plastic. In the case of a mounting plug made entirely of a plastic, it is possible to dispense with a separate sealing body, such as a rubber sealing ring or the like, which forms the stop surface. This is advantageous for the handling of the assembly plug according to the invention.
- the threaded shank of the main body preferably has a self-locking (external) thread.
- This will on the one hand a loosening of the threaded connection of the mounting plug with the anchor sleeve, i. an undesirable change in position of the anchor sleeve relative to the mounting plug, as may occur when introducing fresh concrete into the mold formed by the formwork or the use of a (concrete) vibrator avoided.
- an occurrence of leaks in the threaded connection between the mounting plug and the anchor sleeve is thereby counteracted, so that penetration of fresh concrete and / or cement slurry into the threaded portion of the anchor sleeve can be safely avoided.
- the mounting plug can be completely screwed into the anchor sleeve even with larger amounts of impurities, ie the abutment surface of the corresponding contact surface of the anchor sleeve for (sealing) system can be brought, it has proved to be advantageous if the main body in the region of its stop surface in addition , preferably circular groove for receiving impurity particles and the like.
- the total length of the main body of the mounting plug is preferably aligned to a static reasons and from the point of view of corrosion protection of the anchor sleeve desired concrete coverage of the anchor sleeve in the concrete element.
- the main body preferably has, at its rear end, a formwork contact surface which projects radially inwards from its lateral surface, i. in the direction of a longitudinal axis of the base body, extending.
- the shuttering contact surface of the mounting plug preferably projects beyond the drive profile in the axial direction to the rear.
- a consolidated and sealed installation of the mounting plug on the formwork can be further improved by the formwork contact surface having a chamfered inner peripheral portion.
- the drive profile is preferably an external hexagon.
- the assembly plug can also be subjected to a sufficiently high torque required for removal from the hardened concrete, even under unfavorable conditions in the construction sector.
- the drive profile can also be an outer six-round, through which the torque over a large area, ie with less surface pressure, can be introduced into the drive profile. It is understood that in principle any common drive profile, such as a tensioner (Two-hole), hexagon socket, hexalobular, or the like. Can be used.
- the invention relates to a mounting plug for mounting an anchor sleeve on a formwork to preciselybeton Schlieren this in a concrete component to be created.
- the mounting body has a conical base body which is provided at its front end a threaded shank which can be screwed into the anchor sleeve and at its rear end with a drive profile for a rotary tool.
- the mounting plug has an axially extending through the main body and the threaded shank passageway for fixing the mounting plug to the formwork and arranged at the front end of the body annular abutment surface for the anchor sleeve, which projects in the radial direction over the threaded shaft.
- passage channel for manufacturing reasons, may also be closed, but only to the extent that this passage can be pierced by a fastener.
- Fig. 1 shows a mounting plug 10 for mounting an anchor sleeve on a formwork to preciselybeton Schlum the anchor sleeve to form an anchor point in a fresh concrete to be created concrete component.
- the mounting plug 10 has a conical base body 12 , which is provided at its front end 14 with a threaded shaft 16 which can be screwed into the anchor sleeve with a (here metric) external thread 18 .
- a drive profile 22 is arranged for a turning tool.
- the drive profile 22 is formed in the embodiment shown here as an external hexagon, but can also in unspecified reproduced here any other form of drive, such as a hexagon socket or a tensioner profile (Zweilochaus brieflyung) have.
- the mounting plug 10 has to its attachment to a formwork, in particular a formwork skin, on its longitudinal axis 24 arranged through-channel 26 , which extends through the base body 12, the threaded shaft 16 and the drive profile 22.
- the through-passage 26 has a passage cross-section 28 which is aligned with the cross-section of building nails or building screws usually used in construction.
- the main body 12 has a front and a rear longitudinal section 30, 32 , which are arranged axially one behind the other and which have a different conicity, ie change in their outer diameter.
- the front longitudinal section 30 has a greater conicity relative to the rear longitudinal section 32 of the main body 12 and forms an annular stop surface 34 for the anchor sleeve at the front end 14 of the main body 12.
- the stop surface 34 is executed overall plan and protrudes in the radial direction over the threaded shaft 16.
- the rear longitudinal section 32 of the base body 12 is shorter than the threaded shaft 16 in the present embodiment, but according to an embodiment, not shown, also the length 36 of the threaded shaft 16 corresponding or greater length 36 ' have.
- the external thread 18 of the threaded shaft 16 is designed as a self-locking thread and extends in the present case not completely up to the stop surface 34 of the base body 12.
- the threaded shaft 16 thus has an adjacent to the base body 12 unthreaded shaft longitudinal section 38 .
- a formwork contact surface 40 for applying or supporting the mounting plug 12 is formed on a formwork or a formwork skin.
- the shuttering contact surface 40 extends from a lateral surface 42 of the main body 12 radially inwards in the direction of the longitudinal axis 24 of the mounting plug 10 and projects axially rearwardly beyond the drive profile 22.
- the drive profile 22 is thus completely covered in the radial direction by the lateral surface 42 of the main body 12.
- the formwork bearing surface 40 has a chamfered inner peripheral portion 44 .
- the mounting plug 10 is present in one piece as an injection molded part and consists of a total of plastic.
- Fig. 2 shows the above-described mounting plug 10 in a first installation situation on only partially reproduced formwork (Formwork) 46 .
- the mounting plug 10 is fastened to the formwork 46 via a front end nailed into the passage 26 of the mounting plug 10 nail 48 .
- the shuttering contact surface 40 of the mounting plug 10 is sealingly against the formwork 46.
- Fig. 3 shows the mounting plug 10 in a second installation situation on the formwork (formwork skin) 46.
- the mounting plug 10 is attached to the formwork 46 by means of a extending from the back 46 ' through the formwork 46 extending screw 48' .
- the screw 48 ' extends from the rear end of the body 12 in the passage 26 of the mounting plug 10 and engages with its self-tapping thread in the material of the mounting plug 10 a.
- an anchor sleeve 50 is screwed on the threaded shaft 16 of the mounting plug 10.
- the anchor sleeve 50 has an internal thread 52 engaging with the external thread 18 of the threaded shaft 16.
- An armature plate 54 arranged on the anchor sleeve 50 serves for secure anchorage of the anchor sleeve 50 in a concrete component 56 made of fresh concrete.
- the stop surface 34 of the mounting plug 10 at a corresponding end-side contact surface 58 of the anchor sleeve 50 is sealingly. As a result, penetration of cement slurry and / or fresh concrete into the anchor sleeve 50 is prevented.
- the lateral surface 42 of the base body 12 of the mounting plug connects to an outer side 60 of the anchor sleeve 50 without steps.
- the mounting plug 10 is nailed to the formwork 46 by means of a nail 48 punched into the through-channel 26 ( Fig. 2 ).
- the mounting plug 10 also via a from the back 46 'of the formwork 46 through the formwork 46 into the passageway 26 of the Mounting plug 10 screwed screw 48 'are attached to the formwork 46 ( Fig. 3 ).
- the anchor sleeve 50 is screwed onto the threaded shaft 16 of the attached to the formwork 46 mounting plug 10 until its contact surface 58 bears sealingly against the annular stop surface 34.
- the anchor sleeve 50 is now arranged at a defined distance from the formwork 46 and can be poured with this in the fresh concrete to be formed concrete component 56, i. be concreted.
- the mounting plug 10 is unscrewed from the anchor sleeve 50 by means of a hexagonal turning tool acting on the drive profile 22 and not shown here in detail.
- a between the mounting plug 10 and the concrete component 56 existing frictional engagement is overcome by the attacking on the mounting plug 10 torque readily. Due to the conicity of the longitudinal sections 30, 32 and the pitch of the thread 18, the mounting plug 10 has already released after a short rotation of the concrete of the component 56 and can then be completely solved with little effort. The mounting plug 10 can thus be removed from the concrete component 56 in a simple manner.
- the anchor sleeve 50 is now available for use as an anchor point for a climbing formwork or a scaffold or the like. Available and is particularly suitable as a cornice anchor.
- the invention relates to a mounting plug 10 for mounting an anchor sleeve on a formwork to preciselybeton Schlum the anchor sleeve in a concrete component to be created.
- the mounting plug has a conical base body 12 which at its front end 14 a screwed into the anchor sleeve Threaded shaft 16 and at its rear end 20 has a drive profile 22 for a rotary tool.
- the mounting plug has a through the body 12 and the threaded shaft 16 axially extending passage 26 for attaching the mounting plug 10 on the formwork.
- an annular stop surface 34 is arranged for the anchor sleeve, which projects in the radial direction via the threaded shaft 16.
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- Architecture (AREA)
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- Structural Engineering (AREA)
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
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Description
Die Erfindung betrifft einen Montagestopfen zum Montieren einer Ankerhülse an einer Schalung nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a mounting plug for mounting an anchor sleeve on a formwork according to the preamble of patent claim 1.
Im Betonbau müssen in einem aus Frischbeton zu erzeugenden Betonbauelement, beispielsweise einer mit Stahl armierten Betonwand, häufig Ankerstellen für eine Kletterschalung, ein Klettergerüst oder dergl. eingebracht werden. Dazu werden Ankerhülsen jeweils mittels eines Montagestopfens an einer beim Erzeugen des Betonbauteils eingesetzten Schalung montiert und zusammen mit dem Montagestopfen im Frischbeton eingegossen. Während die Ankerhülsen dauerhaft im Betonbauteil verbleiben und so die Ankerstellen bilden, müssen die eingesetzten Montagestopfen nach dem Abbinden des Frischbetons und Ausschalen der Schalung erneut aus dem erzeugten Betonbauteil entfernt werden.In concrete construction, often anchor points for a climbing formwork, a climbing frame or the like have to be introduced into a concrete element to be produced from fresh concrete, for example a concrete wall reinforced with steel. For this purpose, anchor sleeves are each mounted by means of a mounting plug to a formwork used in the production of the concrete component and poured together with the mounting plug in the fresh concrete. While the anchor sleeves remain permanently in the concrete component and thus form the anchor points, the assembly plugs used must be removed again after the setting of the fresh concrete and stripping the formwork from the concrete component produced.
Die Montagestopfen weisen zumindest in einer zum Stand der Technik zählenden Ausführungsform einen in die Ankerhülse einschraubbaren Gewindeschaft auf und werden an der Schalung üblicherweise mit den am Bau üblichen Nägeln befestigt.The mounting plugs, at least in one of the prior art counting embodiment on a screwed into the anchor sleeve threaded shaft and are usually attached to the formwork with the usual nails on construction.
Damit sich der Montagestopfen nach dem Abbinden des Frischbetons wieder von der Ankerhülse trennen und aus dem Betonbauteil entfernen lässt, muss ein Eindringen von Frischbeton und anderen Verunreinigungen in die Gewindeverbindung der Ankerhülse mit dem Montagestopfen grundsätzlich vermieden werden. Andernfalls kann der Montagestopfen im ungünstigsten Fall nicht mehr oder nur mit einem unerwünscht hohen Aufwand von der Ankerhülse gelöst und aus dem zwischenzeitlich verfestigten Betonbauteil entfernt werden. Zudem kann der Gewindeabschnitt der Ankerhülse derart mit (abgebundenem) Beton verschmutzt sein, dass diese als Ankerstelle für eine Gesimskappenschalung, Kletterschalung bzw. ein Gerüst oder dergl. unbrauchbar ist.In order for the assembly plug to be able to separate again from the anchor sleeve after the fresh concrete has set and to be removed from the concrete component, penetration of fresh concrete and other contaminants into the threaded connection of the anchor sleeve with the assembly plug must always be avoided. Otherwise, the assembly plug can not be solved in the worst case, or only with an undesirably high cost of the anchor sleeve and removed from the temporarily solidified concrete component. In addition, the threaded portion of the anchor sleeve can be so dirty with (hardened) concrete that it is useless as an anchor point for Gesimskappenschalung, climbing formwork or a scaffold or the like.
Ebenso wird zur Erzielung einer geforderten Betondeckung in der Praxis vielfach ein Hüllrohr aus Faserbeton eingesetzt, das im Sinne einer Schutzmanschette über die Ankerhülse bzw. den Schaft des Montagestopfens geschoben und durch Aufschrauben der Ankerhülse auf den Montagestopfen zwischen dem Montagestopfen und der Ankerhülse (axial) eingespannt wird. Das Faserzementrohr verbleibt nach einem Ausschalen zusammen mit der Ankerhülse in dem erzeugten Betonbauelement.Likewise, in order to achieve a required concrete cover in practice, a cladding tube made of fiber concrete is used, which pushed in the sense of a protective sleeve on the anchor sleeve or the shaft of the mounting plug and clamped by screwing the anchor sleeve on the mounting plug between the mounting plug and the anchor sleeve (axially) becomes. The Fiber cement pipe remains after stripping together with the anchor sleeve in the concrete component produced.
Diese Vorgehensweise ist handwerklich aufwändig und bietet in der Praxis einen allzu oft nur unzureichenden Schutz der Ankerhülse gegenüber einem Eindringen von Verunreinigungen, insbesondere Frischbeton bzw. Zementmilch. Die Faserzementrohre können bereits während des Verschraubens vom Montagestopfen mit der Ankerhülse oder des Festnagelns des Montagestopfens an der Schalung bzw. auch durch einen Einsatz eines Betonrüttlers versehentlich beschädigt und damit undicht werden. Dies erfordert, sofern dies überhaupt bemerkt wird, häufig einen erneuten Austausch des Faserzementrohrs bzw. kann andernfalls zu unbrauchbaren Ankerstellen im Betonbauteil führen.This approach is technically complex and provides in practice too often insufficient protection of the anchor sleeve against the ingress of contaminants, especially fresh concrete or cement milk. The fiber cement pipes can be accidentally damaged during the screwing of the mounting plug with the anchor sleeve or the nailing of the mounting plug to the formwork or by using a concrete vibrator and thus leaking. This requires, if noticed at all, often a replacement of the fiber cement pipe or may otherwise lead to useless anchor points in the concrete component.
Aus der
Das Dokument
Weiterhin offenbart die
Schließlich ist aus der
Aufgabe der Erfindung ist es demgegenüber, einen Montagestopfen anzugeben, der leicht aus dem Beton lösbar ist und einen besseren Schutz gegen das Eindringen von Schmutz oder Feuchtigkeit in der Ankerstelle bietet.The object of the invention is in contrast to provide a mounting plug, which is easily detachable from the concrete and provides better protection against the ingress of dirt or moisture in the anchor point.
Die erfindungsgemäße Aufgabe wird gelöst durch einen Montagestopfen mit den im Patentanspruch 1 angegebenen Merkmalen.The object of the invention is achieved by a mounting plug with the features specified in claim 1.
Der mit dem erfindungsgemäßen Montagestopfen verbundene Vorteil besteht im Wesentlichen darin, dass dieser einfacher handzuhaben ist und zugleich einen verbesserten Schutz der mit dem Montagestopfen verkoppelten Ankerhülse gegenüber einem Eindringen von Frischbeton oder anderen Verunreinigungen bietet. Der Montagestopfen wird mit seinem Gewindeschaft soweit in die Montagehülse eingedreht, bis dessen Anschlagfläche an der Ankerhülse dichtend anliegt. Die Verwendung eines im Stand der Technik eingesetzten Faserzementrohrs als Schutzhülle erübrigt sich, was entsprechende Zeit- und Kostenvorteile bietet. Der Montagestopfen kann dabei über seinen Durchgangskanal in herkömmlicher Weise an einer Schalung festgenagelt werden. Zusätzlich bietet der Durchgangskanal die Möglichkeit, den Montagestopfen, insbesondere von einer Rückseite der Schalung her mittels einer durch die Schalung hindurchgeführten Schraube ohne Gegenmutter oder dergl. an der Schalung festzuschrauben. Dadurch kann der Montagestopfen bzw. die Ankerhülse besonders sicher an der Schalung montiert werden. Lageveränderungen des Montagestopfens bzw. der Ankerhülse relativ zu der Schalung können so selbst bei höheren mechanischen Belastungen, wie diese etwa bei dem Einsatz eines Betonrüttlers auftreten können, sicher vermieden werden. Insgesamt kann die Ankerhülse dadurch innerhalb des zu erstellenden Betonbauteils weitaus zuverlässiger in einer vorbestimmten Weise positioniert und gegenüber dem Betonbauteil/dessen Oberfläche ausgerichtet werden.The advantage associated with the assembly plug according to the invention consists essentially in the fact that this is easier to handle and at the same time an improved protection of coupled with the mounting plug anchor sleeve to prevent ingress of fresh concrete or other contaminants. The mounting plug is screwed with its threaded shank so far into the mounting sleeve until its stop surface sealingly abuts the anchor sleeve. The use of a fiber cement pipe used in the prior art as a protective cover is unnecessary, which offers corresponding time and cost advantages. The mounting plug can be nailed via its passage in a conventional manner to a formwork. In addition, the passage provides the opportunity, the mounting plug, in particular from a back of the formwork ago by means of a guided through the formwork without screw nut or the like. screw it to the formwork. As a result, the mounting plug or the anchor sleeve can be mounted particularly securely on the formwork. Changes in position of the mounting plug or the anchor sleeve relative to the formwork can be safely avoided even at higher mechanical loads, as can occur when using a concrete vibrator. Overall, the anchor sleeve can thereby be positioned within the concrete component to be created much more reliable in a predetermined manner and aligned with respect to the concrete component / its surface.
Der erfindungsgemäße Montagestopfen kann über das Antriebsprofil zudem einfacher und sicherer aus der einbetonierten Ankerhülse herausgedreht und dadurch ohne größeren Aufwand aus dem (verfestigten) Betonbauelement entfernt werden. Dies kann zudem mittels motorischer Unterstützung, beispielsweise mittels eines Pressluft- oder elektrisch betriebenen Drehwerkzeugs erfolgen, was diesen bislang zeit- und kraftraubenden Arbeitsschritt erheblich beschleunigen und vereinfachen kann.The assembly plug according to the invention can also be more easily and safely unscrewed from the cast-in anchor sleeve on the drive profile and thereby removed without much effort from the (solidified) concrete component. This can also be done by means of motor support, for example by means of a compressed air or electrically operated turning tool, which can significantly speed up and simplify this previously time-consuming and power-consuming step.
Der Grundkörper des Montagestopfens weist zwei Längenabschnitte mit unterschiedlicher Konizität auf. Dadurch wird einerseits ein Entfernen des einbetonierten Montagestopfens aus dem erzeugten Betonbauteil erleichtert, andererseits kann ein oberflächennaher Wandabschnitt der durch den Montagestopfen erzeugten Ausnehmung im Betonbauteil zur Oberfläche des Betonbauteils angenähert senkrecht ausgebildet werden. Außerdem wird dadurch einem Eindringen von Schmutz und Feuchtigkeit in die erzeugte Ankerstelle entgegengewirkt, was im Hinblick auf einen Schutz der Ankerhülse bzw. der Ankerstelle vor Korrosion vorteilhaft ist.The main body of the mounting plug has two longitudinal sections with different conicity. As a result, on the one hand, removal of the cast-in mounting plug from the concrete component produced is facilitated, on the other hand, a near-surface wall portion of the recess produced by the mounting plug in the concrete component to the surface of the concrete component can be formed approximately perpendicular. In addition, a penetration of dirt and moisture is counteracted in the generated anchor point, which is advantageous in terms of protection of the anchor sleeve or the anchor point from corrosion.
Einer der beiden und/oder beide Längsabschnitte weisen unterschiedliche axiale Längen auf, wobei der dem Gewindeschaft zugeordnete Längenabschnitt eine dem Gewindeschaft des Montagestopfens entsprechende Länge aufweist oder kürzer als der Gewindeschaft ist.One of the two and / or both longitudinal sections have different axial lengths, wherein the longitudinal section associated with the threaded shaft has a length corresponding to the threaded shaft of the mounting plug or is shorter than the threaded shaft.
Die Dichtfunktion des erfindungsgemäßen Montagestopfens kann dadurch weiter verbessert werden, dass die Anschlagfläche des Montagestopfens aus Kunststoff, Gummi oder einem anderen hinreichend elastisch verformbaren Werkstoff (Elastomer) gefertigt ist. Die Anschlagfläche des Montagestopfens kann dann über den Gewindeeingriff mit einem Innengewinde der Ankerhülse derart axial gegen die Ankerhülse gepresst werden, dass die Anschlagfläche der Ankerhülse vollumfänglich dichtend anliegt. Kleinere Unebenheiten der Anschlagfläche bzw. einer der Anschlagfläche des Montagsstopfens zugeordneten Anlagefläche der Ankerhülse können auf diese Weise ebenso ausgeglichen werden, wie etwa zwischen der Anschlagfläche und der Anlagefläche befindliche Verunreinigungen.The sealing function of the mounting plug according to the invention can be further improved in that the stop surface of the mounting plug made of plastic, Rubber or other sufficiently elastically deformable material (elastomer) is made. The abutment surface of the mounting plug can then be axially pressed against the anchor sleeve by way of the threaded engagement with an internal thread of the anchor sleeve so that the abutment surface of the anchor sleeve abuts in a fully sealing manner. Smaller unevenness of the stop surface or one of the stop surface of the Montagsstopfens associated contact surface of the anchor sleeve can be compensated in this way, as well as located between the stop surface and the contact surface impurities.
Der Montagestopfen kann aus einem Metall oder auch insgesamt aus einem Kunststoff gefertigt sein. Im Falle eines insgesamt aus einem Kunststoff gefertigten Montagestopfens kann auf einen die Anschlagfläche bildenden separaten Dichtkörper, wie etwa einen Gummidichtring oder dergleichen, verzichtet werden. Dies ist für die Handhabung des erfindungsgemäßen Montagestopfens von Vorteil.The mounting plug can be made of a metal or even a total of a plastic. In the case of a mounting plug made entirely of a plastic, it is possible to dispense with a separate sealing body, such as a rubber sealing ring or the like, which forms the stop surface. This is advantageous for the handling of the assembly plug according to the invention.
Der Gewindeschaft des Grundkörpers weist vorzugsweise ein selbsthemmendes (Außen-) Gewinde auf. Dadurch wird einerseits einem Lösen der Gewindeverbindung des Montagestopfens mit der Ankerhülse, d.h. einer unerwünschten Lageänderung der Ankerhülse gegenüber dem Montagestopfen, wie dies etwa beim Einbringen von Frischbeton in die durch die Schalung gebildete Gussform oder auch den Einsatz eines (Beton-) Rüttlers vorkommen kann, vermieden. Zudem wird dadurch auch einem Auftreten von Undichtigkeiten im Bereich der Gewindeverbindung zwischen dem Montagestopfen und der Ankerhülse entgegengewirkt, so dass ein Eindringen von Frischbeton und/oder Zementmilch in den Gewindebereich der Ankerhülse sicher vermieden werden kann.The threaded shank of the main body preferably has a self-locking (external) thread. This will on the one hand a loosening of the threaded connection of the mounting plug with the anchor sleeve, i. an undesirable change in position of the anchor sleeve relative to the mounting plug, as may occur when introducing fresh concrete into the mold formed by the formwork or the use of a (concrete) vibrator avoided. In addition, an occurrence of leaks in the threaded connection between the mounting plug and the anchor sleeve is thereby counteracted, so that penetration of fresh concrete and / or cement slurry into the threaded portion of the anchor sleeve can be safely avoided.
Damit der Montagestopfen auch bei größeren Mengen an Verunreinigungen vollständig in die Ankerhülse eingeschraubt werden kann, d.h. die Anschlagfläche der korrespondierenden Anlagefläche der Ankerhülse zur (dichtenden) Anlage gebracht werden kann, hat es sich als vorteilhaft erwiesen, wenn der Grundkörper im Bereich seiner Anschlagfläche zusätzlich eine, vorzugsweise kreisförmige, Nut zur Aufnahme von Verunreinigungspartikeln und dergl. aufweist.So that the mounting plug can be completely screwed into the anchor sleeve even with larger amounts of impurities, ie the abutment surface of the corresponding contact surface of the anchor sleeve for (sealing) system can be brought, it has proved to be advantageous if the main body in the region of its stop surface in addition , preferably circular groove for receiving impurity particles and the like.
Die Gesamtlänge des Grundkörpers des Montagestopfens ist vorzugsweise auf eine aus statischen Gründen und unter dem Gesichtspunkt eines Korrosionsschutzes der Ankerhülse gewünschte Betonüberdeckung der Ankerhülse im Betonbauelement ausgerichtet.The total length of the main body of the mounting plug is preferably aligned to a static reasons and from the point of view of corrosion protection of the anchor sleeve desired concrete coverage of the anchor sleeve in the concrete element.
Der Grundkörper weist an seinem hinteren Ende vorzugsweise eine Schalungsanlagefläche auf, die sich von dessen Mantelfläche radial nach innen, d.h. in Richtung auf eine Längsachse des Grundkörpers, erstreckt. Dadurch kann im Bereich der im Betonbauteil erzeugten Ankerstelle eine stufenfreie Oberfläche des Betonbauteils realisiert und ein Abdruck eines Befestigungsflansches wie dies bei bekannten Montagestopfen gegeben ist, vermieden werden.The main body preferably has, at its rear end, a formwork contact surface which projects radially inwards from its lateral surface, i. in the direction of a longitudinal axis of the base body, extending. As a result, a step-free surface of the concrete component can be realized in the area of the anchor point produced in the concrete component, and an impression of a fastening flange, as is the case with known assembly plugs, can be avoided.
Damit der Montagestopfen an der Schalhaut auch unter den in der Praxis auftretenden Kräften satt, d.h. dichtend, aufliegen kann, überragt die Schalungsanlagefläche des Montagestopfens vorzugsweise das Antriebsprofil in axialer Richtung nach hinten.So that the mounting plug on the formwork skin is also full under the forces occurring in practice, i. sealing, can rest, the shuttering contact surface of the mounting plug preferably projects beyond the drive profile in the axial direction to the rear.
Eine gefestigte und dichte Anlage des Montagestopfens an der Schalung kann weiter dadurch verbessert werden, dass die Schalungsanlagefläche einen angefasten inneren Umfangsabschnitt aufweist.A consolidated and sealed installation of the mounting plug on the formwork can be further improved by the formwork contact surface having a chamfered inner peripheral portion.
Das Antriebsprofil ist vorzugsweise ein Außensechskant. Dadurch kann der Montagestopfen auch unter den im Baubereich ungünstigen Bedingungen mit einem insbesondere für das Entfernen aus dem abgebundenen Beton erforderlichen ausreichend hohen Drehmoment beaufschlagt werden. Für nochmals höhere Drehmomente kann das Antriebsprofil auch ein Außen-Sechsrund sein, durch das das Drehmoment großflächiger, d. h. mit geringerer Flächenpressung, in das Antriebsprofil eingeleitet werden kann. Es versteht sich, dass grundsätzlich jedes gängige Antriebsprofil, wie etwa ein Spanner (Zweiloch), Innensechskant, Innensechsrund, oder dergl. eingesetzt werden kann.The drive profile is preferably an external hexagon. As a result, the assembly plug can also be subjected to a sufficiently high torque required for removal from the hardened concrete, even under unfavorable conditions in the construction sector. For even higher torques, the drive profile can also be an outer six-round, through which the torque over a large area, ie with less surface pressure, can be introduced into the drive profile. It is understood that in principle any common drive profile, such as a tensioner (Two-hole), hexagon socket, hexalobular, or the like. Can be used.
Die Erfindung betrifft einen Montagestopfen zum Montieren einer Ankerhülse an einer Schalung, um diese in ein zu erstellendes Betonbauteil einzubetonieren. Der Montagekörper weist einen konischen Grundkörper auf, der an seinem vorderen Ende einen in die Ankerhülse einschraubbaren Gewindeschaft und an seinem hinteren Ende mit einem Antriebsprofil für ein Drehwerkzeug versehen ist. Der Montagestopfen weist einen sich axial durch den Grundkörper und den Gewindeschaft erstreckende Durchgangskanal zum Befestigen des Montagestopfens an der Schalung und eine am vorderen Ende des Grundkörpers angeordnete ringförmige Anschlagsfläche für die Ankerhülse auf, die in radialer Richtung über den Gewindeschaft vorsteht.The invention relates to a mounting plug for mounting an anchor sleeve on a formwork to einzubetonieren this in a concrete component to be created. The mounting body has a conical base body which is provided at its front end a threaded shank which can be screwed into the anchor sleeve and at its rear end with a drive profile for a rotary tool. The mounting plug has an axially extending through the main body and the threaded shank passageway for fixing the mounting plug to the formwork and arranged at the front end of the body annular abutment surface for the anchor sleeve, which projects in the radial direction over the threaded shaft.
Es versteht sich, dass der Durchgangskanal aus fertigungstechnischen Gründen auch geschlossen sein kann, aber nur in einem Umfang, dass dieser Durchgangskanal von einem Befestigungsmittel durchstoßen werden kann.It is understood that the passage channel for manufacturing reasons, may also be closed, but only to the extent that this passage can be pierced by a fastener.
Weitere Vorteile und vorteilhafte Ausgestaltungen des Gegenstands der Erfindung ergeben sich aus der Beschreibung, den Ansprüchen und der Zeichnung. Ebenso können die vorstehend genannten und die noch weiter aufgeführten Merkmale je für sich oder zu mehreren in beliebigen Kombinationen Verwendung finden.Further advantages and advantageous embodiments of the subject invention will become apparent from the description, the claims and the drawings. Likewise, the features mentioned above and the features listed further can be used individually or in combination in any combination.
Nachfolgend wird die Erfindung anhand eines in der Zeichnung wiedergegebenen Ausführungsbeispiels näher erläutert.The invention will be explained in more detail with reference to an embodiment shown in the drawing.
Die gezeigte und beschriebene Ausführungsform ist nicht als abschließende Aufzählung zu verstehen, sondern hat vielmehr beispielhaften Charakter für die Schilderung der Erfindung.The embodiment shown and described is not to be understood as an exhaustive list, but rather has exemplary character for the description of the invention.
Die Figuren der Zeichnung zeigen den erfindungsgemäßen Gegenstand stark schematisiert und sind nicht maßstäblich zu verstehen. Die einzelnen Bestandteile des erfindungsgemäßen Gegenstands sind so dargestellt, dass ihr Aufbau gut gezeigt werden kann.The figures of the drawing show the subject matter according to the invention in a highly schematized manner and are not to be understood to scale. The individual components of the article according to the invention are shown so that their structure can be well shown.
In der Zeichnung zeigt
- Fig. 1
- einen erfindungsgemäßen Montagestopfen, in einer perspektivischen Ansicht;
- Fig. 2
- den Montagestopfen nach
Fig. 1 , wobei der Montagestopfen an einer Schalung festgenagelt ist, in einer Schnittdarstellung; und - Fig. 3
- den Montagestopfen nach
Fig. 1 , wobei der Montagestopfen an einer Schalung festgeschraubt und auf diesen eine Ankerhülse aufgeschraubt ist, in einer Schnittdarstellung.
- Fig. 1
- a mounting plug according to the invention, in a perspective view;
- Fig. 2
- after the assembly plug
Fig. 1 , wherein the mounting plug is nailed to a formwork, in a sectional view; and - Fig. 3
- after the assembly plug
Fig. 1 , wherein the mounting plug is screwed to a formwork and screwed onto this anchor sleeve, in a sectional view.
Der Montagestopfen 10 weist zu dessen Befestigung an einer Schalung, insbesondere einer Schalhaut, einen auf dessen Längsachse 24 angeordneten Durchgangskanal 26 auf, die sich durch den Grundkörper 12, den Gewindeschaft 16 und das Antriebsprofil 22 erstreckt.The mounting
Der Durchgangskanal 26 weist einen auf den Querschnitt von am Bau üblicherweise eingesetzten Baunägeln bzw. Bauschrauben ausgerichteten Durchgangsquerschnitt 28 auf.The through-
Der Grundkörper 12 weist einen vorderen und einen hinteren Längenabschnitt 30, 32 auf, die axial hintereinander angeordnet sind und die eine unterschiedliche Konizität, d.h. Veränderung ihres äußeren Durchmessers, aufweisen. Der vordere Längenabschnitt 30 weist eine gegenüber dem hinteren Längenabschnitt 32 des Grundkörpers 12 stärkere Konizität auf und bildet am vorderen Ende 14 des Grundkörpers 12 eine ringförmige Anschlagfläche 34 für die Ankerhülse. Die Anschlagfläche 34 ist insgesamt plan ausgeführt und steht in radialer Richtung über den Gewindeschaft 16 vor.The
Der hintere Längenabschnitt 32 des Grundkörpers 12 ist bei dem vorliegenden Ausführungsbeispiel kürzer als der Gewindeschaft 16, kann aber nach einem nicht näher dargestellten Ausführungsbeispiel auch eine der Länge 36 des Gewindeschafts 16 entsprechende oder größere Länge 36' aufweisen.The rear
Das Außengewinde 18 des Gewindeschafts 16 ist als selbsthemmendes Gewinde ausgeführt und erstreckt sich vorliegend nicht vollständig bis zur Anschlagfläche 34 des Grundkörpers 12. Der Gewindeschaft 16 weist somit einen an den Grundkörper 12 angrenzenden gewindefreien Schaftlängsabschnitt 38 auf.The
Am hinteren Ende 20 des Grundkörpers 12 ist eine Schalungsanlagefläche 40 für ein Anlegen bzw. Abstützen des Montagestopfens 12 an einer Schalung bzw. einer Schalhaut ausgebildet. Die Schalungsanlagefläche 40 erstreckt sich von einer Mantelfläche 42 des Grundkörpers 12 radial nach innen in Richtung auf die Längsachse 24 des Montagestopfens 10 und steht axial nach hinten über das Antriebsprofil 22 hervor. Das Antriebsprofil 22 ist damit in radialer Richtung von der Mantelfläche 42 des Grundkörpers 12 vollständig überdeckt. Die Schalungsanlagefläche 40 weist einen angefasten inneren Umfangsabschnitt 44 auf.At the
Der Montagestopfen 10 ist vorliegend als Spritzgussteil einstückig ausgebildet und besteht insgesamt aus einem Kunststoff.The mounting
Auf den Gewindeschaft 16 des Montagestopfens 10 ist eine Ankerhülse 50 aufgeschraubt. Die Ankerhülse 50 weist ein mit dem Außengewinde 18 des Gewindeschafts 16 im Eingriff stehendes Innengewinde 52 auf. Eine an der Ankerhülse 50 angeordnete Ankerplatte 54 dient einer sicheren Verankerung der Ankerhülse 50 in einem aus Frischbeton erstellten Betonbauteil 56.On the threaded
Wie aus der Fig. weiter hervorgeht, liegt die Anschlagfläche 34 des Montagestopfens 10 an einer dazu korrespondierenden stirnseitigen Anlagefläche 58 der Ankerhülse 50 dichtend an. Dadurch wird ein Eindringen von Zementmilch und/oder Frischbeton in die Ankerhülse 50 unterbunden. Die Mantelfläche 42 des Grundkörpers 12 des Montagstopfens schließt an eine Außenseite 60 der Ankerhülse 50 stufenfrei an.As is further apparent from the Fig., The
Nachfolgend wird die Handhabung des Montagestopfens 10 näher erläutert. In einem ersten Schritt wird der Montagestopfen 10 mittels eines gewindezapfenseitig in die Durchgangskanal 26 eingeschlagenen Nagels 48 an der Schalung 46 festgenagelt (
Alternativ kann der Montagestopfen 10 auch über eine von der Rückseite 46' der Schalung 46 durch die Schalung 46 hindurch in die Durchgangskanal 26 des Montagestopfens 10 geschraubte Schraube 48' an der Schalung 46 befestigt werden (
In einem nachfolgenden Schritt wird die Ankerhülse 50 auf den Gewindeschaft 16 des an der Schalung 46 befestigten Montagestopfens 10 aufgeschraubt, bis deren Anlagefläche 58 an der ringförmigen Anschlagfläche 34 dichtend anliegt.In a subsequent step, the
Die Ankerhülse 50 ist nunmehr in einem definierten Abstand von der Schalung 46 angeordnet und kann mit dieser in dem aus Frischbeton zu bildenden Betonbauelement 56 eingegossen, d.h. einbetoniert, werden.The
Nach dem Abbinden des Frischbetons des Betonbauelements 56 wird die Schalung 46 entfernt (Ausschalen).After setting of the fresh concrete of the
In einem weiteren Arbeitsschritt wird der Montagestopfen 10 mittels eines an dem Antriebsprofil 22 angreifenden und hier nicht näher wiedergegebenen Sechskant-Drehwerkzeugs aus der Ankerhülse 50 herausgeschraubt. Ein zwischen dem Montagestopfen 10 und dem Betonbauelement 56 bestehender Reibschluss wird dabei durch das an dem Montagestopfen 10 angreifenden Drehmoment ohne Weiteres überwunden. Durch die Konizität der Längenabschnitte 30, 32 und die Steigung des Gewindes 18 hat sich der Montagestopfen 10 bereits nach einer kurzen Drehung vom Beton des Bauteils 56 gelöst und lässt sich danach mit nur geringem Kraftaufwand vollständig lösen. Der Montagestopfen 10 kann somit auf einfache Weise aus dem Betonbauelement 56 entfernt werden.In a further step, the mounting
Die Ankerhülse 50 steht nunmehr für die Verwendung als Ankerstelle für eine Kletterschalung bzw. eines Gerüsts oder dergl. zur Verfügung und eignet sich insbesondere als Gesimsanker.The
Die Erfindung betrifft einen Montagestopfen 10 zum Montieren einer Ankerhülse an einer Schalung, um die Ankerhülse in ein zu erstellendes Betonbauteil einzubetonieren. Der Montagestopfen weist einen konischen Grundkörper 12 auf, der an seinem vorderen Ende 14 einen in die Ankerhülse einschraubbaren Gewindeschaft 16 und an seinem hinteren Ende 20 ein Antriebsprofil 22 für ein Drehwerkzeug aufweist. Der Montagestopfen weist einen sich durch den Grundkörper 12 und den Gewindeschaft 16 axial erstreckende Durchgangskanal 26 zum Befestigen des Montagestopfens 10 an der Schalung auf. Am vorderen Ende 14 des Grundkörpers 12 ist eine ringförmigen Anschlagsfläche 34 für die Ankerhülse angeordnet, die in radialer Richtung über den Gewindeschaft 16 vorsteht.The invention relates to a mounting
Claims (8)
- Assembly plug (10) for mounting an anchor sleeve (50) to a formwork (46) for concrete-casting the anchor sleeve (50) in a concrete structure (56) to be produced,
having a conical base body (12), the front end (14) of which has a threaded shaft (16) which can be screwed into the anchor sleeve (50) and the rear end (20) of which has a drive profile (22) for a turning tool, comprising
a passage (26) which axially extends through the base body (12) and the threaded shaft (16) for mounting the assembly plug (10) to the formwork (46), and comprising
an annular stop surface (34) for the anchor sleeve (50), which stop surface is disposed at the front end (14) of the base body (12) and projects in a radial direction past the threaded shaft (16), characterized in that the conical base body (12) has two length portions (30; 32) of different conicity and different axial length which continuously merge into one another,
wherein a front length portion of the two length portions (30, 32) is more conical than the rear length portion of the two length portions (30, 32), wherein the rear length portion (32) has a length which corresponds to the threaded shaft (16) or is shorter than the threaded shaft (16),
and
wherein the conicity of the rear length portion (32) is designed in such a way that a wall section close to the surface of a recess to be produced by the assembly plug (10) in the concrete structure (56) can be made to be approximately perpendicular to the surface of the concrete structure (56) to be produced. - Assembly plug according to claim 1, characterized in that the assembly plug (10) is produced from plastic material.
- Assembly plug according to any one of the preceding claims, characterized in that the threaded shaft (16) has a self-locking outer thread (18).
- Assembly plug according to any one of the preceding claims, characterized in that the threaded shaft (16) has a shaft length portion (38) which borders the base body (12) and has no thread.
- Assembly plug according to any one of the preceding claims, characterized in that the rear end (20) of the base body (12) has a formwork abutment surface (40) which extends from the girthed area (42) thereof in a radial inward direction.
- Assembly plug according to claim 5, characterized in that the formwork stop surface (40) projects in an axial rearward direction past an outer surface (21) of the drive profile (22).
- Assembly plug according to claim 5 or 6, characterized in that the formwork abutment surface (40) has a chamfered inner circumferential section (44).
- Assembly plug according to any one of the preceding claims, characterized in that the drive profile (22) is an external hexagon.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110006702 DE102011006702A1 (en) | 2011-04-04 | 2011-04-04 | Mounting plug for mounting an anchor sleeve on a formwork |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2508693A2 EP2508693A2 (en) | 2012-10-10 |
EP2508693A3 EP2508693A3 (en) | 2013-12-04 |
EP2508693B1 true EP2508693B1 (en) | 2015-08-26 |
Family
ID=46000753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12162223.7A Active EP2508693B1 (en) | 2011-04-04 | 2012-03-29 | Fitting plug for fitting an anchor casing to a formwork |
Country Status (2)
Country | Link |
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EP (1) | EP2508693B1 (en) |
DE (1) | DE102011006702A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE2051350A1 (en) * | 2020-11-19 | 2021-12-28 | Eurospacers Ab | Nail plate adapted to hold a threaded socket when pouring concrete into a formwork |
CN113756588A (en) * | 2021-09-30 | 2021-12-07 | 中冶建工集团有限公司 | Masonry bar planting method free of drilling |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7230171U (en) * | 1972-08-16 | 1972-11-02 | Fa F Schroeder | DEVICE FOR FIXING AN ANCHOR SLEEVE TO A FORMWORK |
DE2355799A1 (en) * | 1973-11-08 | 1975-05-28 | Schroeder Fa Friedr | Shouldered plug for holding tubes on shuttering - is nailed on planks by using tube as nailing tool |
US5259715A (en) * | 1991-07-25 | 1993-11-09 | Haerle Anton | Self-locking threaded connection |
CH690732A5 (en) * | 1996-01-10 | 2000-12-29 | Giulio Albanese | Formwork auxiliary part of a threaded sleeve. |
GB9811501D0 (en) * | 1998-05-28 | 1998-07-29 | Donohoe Brian | Method and anchoring device for providing an anchor point in a concrete structure |
DE19917345C2 (en) * | 1999-04-16 | 2002-09-26 | Doka Ind Gmbh Amstetten | Corrosion-protected hanging point |
AU2006209684A1 (en) * | 2005-10-03 | 2007-04-19 | Itw Australia Pty Ltd | A spacer for a cast-in ferrule |
DE102007059125B4 (en) * | 2007-12-07 | 2009-10-22 | Doka Industrie Gmbh | anchoring element |
-
2011
- 2011-04-04 DE DE201110006702 patent/DE102011006702A1/en not_active Withdrawn
-
2012
- 2012-03-29 EP EP12162223.7A patent/EP2508693B1/en active Active
Also Published As
Publication number | Publication date |
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DE102011006702A1 (en) | 2012-10-04 |
EP2508693A3 (en) | 2013-12-04 |
EP2508693A2 (en) | 2012-10-10 |
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