EP2527542A1 - Fountain filter segment - Google Patents

Fountain filter segment Download PDF

Info

Publication number
EP2527542A1
EP2527542A1 EP12002052A EP12002052A EP2527542A1 EP 2527542 A1 EP2527542 A1 EP 2527542A1 EP 12002052 A EP12002052 A EP 12002052A EP 12002052 A EP12002052 A EP 12002052A EP 2527542 A1 EP2527542 A1 EP 2527542A1
Authority
EP
European Patent Office
Prior art keywords
well filter
tie rods
connecting elements
filter segment
well
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.)
Withdrawn
Application number
EP12002052A
Other languages
German (de)
French (fr)
Inventor
Ralf Stükerjürgen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stuewa Konrad Stuekerjuergen GmbH
Original Assignee
Stuewa Konrad Stuekerjuergen GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stuewa Konrad Stuekerjuergen GmbH filed Critical Stuewa Konrad Stuekerjuergen GmbH
Publication of EP2527542A1 publication Critical patent/EP2527542A1/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
    • E03B3/08—Obtaining and confining water by means of wells
    • E03B3/16—Component parts of wells
    • E03B3/18—Well filters
    • E03B3/20—Well filters of elements of special shape

Definitions

  • the invention relates to a well filter segment for the construction of well filters, consisting of end-side connecting elements for axially juxtaposing several well filter segments and a plurality of in the axial direction of Brunnenfiffersegmentes juxtaposed filter discs, wherein the filter discs are joined by arranged in openings of the filter discs connecting rods to the well filter segments.
  • the invention relates to a method for connecting drawbars and connecting elements of a Brunnenfittersegmentes, wherein the well filter segment consists of end-side connecting elements for axial juxtaposition of several well filter segments and a plurality of in the axial direction of the well filter segment juxtaposed filter discs and wherein the filter discs arranged through openings in the filter discs Tie rods are added to the well filter segments.
  • Well filter segments in the generic type described above are known in principle from the prior art They are in particular always used when it is necessary to produce a well with a long filter pipe section in the range over 20 meters.
  • the individual well filter segments can be pre-assembled and are then to be connected by the assembly personnel at the site with each other to a well filter.
  • the connection of the individual well filter segments is usually done by screw or push-in joints on the end-side connecting elements adjacent Well filter segments.
  • the described connection techniques are relatively complicated with respect to a screw connection, push-in joints have advantages, in particular because of their easier handling on the construction site.
  • the fixation of the tie rods of individual well filter segments with the end-side fasteners is usually done by screwing.
  • the object of the invention is to develop a well filter segment of the generic type described above so that a connection of tie rods and fasteners with sufficient strength of the individual components can be made with each other and beyond a simple and inexpensive connection method becomes.
  • the stated object is achieved by a Brunnenfiftersegment consisting of fasteners, tie rods and filter discs of the generic type described above in that the connecting elements and the tie rods are connected by a bond.
  • the bonding can be made by means of an epoxy resin mixture.
  • an ambient temperature above 16 ° C is mandatory, since at temperatures below the limit, the curing of the adhesive bond is very delayed or a reaction of the individual components of the adhesive material is not set in motion.
  • the components of the well filter to be connected to one another ie the connecting pieces or the filter disks and the adhesive, are also heated to the stated temperature range of 22 to 26 ° C.
  • the well filter 1 consists of two well filter segments 2, 3.
  • the well filter segments 2, 3 in turn consist of individual filter discs 4, which are pushed onto tie rods 5 extending in the axial direction of the well filter 1.
  • the tie rods are fixed at their free ends in connecting elements 6 and 7, which are arranged at the upper and lower ends of the well filter segments 2, 3 and serve to be connected to each other for the achievement of larger filter pipe sections.
  • the fixation of the connecting elements 6 and 7 to each other usually by screwing or a push-in socket connection as in the illustrated embodiment.
  • connection of the tie rods 5 and the connecting elements 6 and 7 can be effected by bonding by means of a methyl methacrylate adhesive or an epoxy resin mixture.
  • the area of the adhesive bond is to heat during the bonding process to a temperature of 22 to 26 ° C, since only in this temperature range optimum tensile strength of the adhesive bond in the range of 30 to 60 KN in the tensile test over a holding time of 15 minutes can be guaranteed.

Abstract

The well filter segment (2,3) has end-sided connection elements (6,7) for axially arranging multiple well filter segments and multiple filter disks (4) in a sequence, where the filter disks are joined to the well filter segments by connecting rods (5). The connection elements and the connecting rods are connected with each other by a bonding joint. The connecting rods and the connection elements are tempered in the area of their connecting points during the heating process. The bonding joint is made of the methyl methacrylate adhesive and epoxy resin mixture. An independent claim is also included for a method for connecting rods and connecting elements of a well filter segment.

Description

Technisches UmfeldTechnical environment

Die Erfindung betrifft ein Brunnenfiltersegment zum Aufbau von Brunnenfiltern, bestehend aus endseitigen Verbindungselementen zur axialen Aneinanderreihung mehrerer Brunnenfiltersegmente und einer Mehrzahl von in Achsrichtung des Brunnenfiffersegmentes nebeneinander angeordneten Filterscheiben, wobei die Filterscheiben durch in Durchbrechungen der Filterscheiben angeordnete Verbindungsstangen zu den Brunnenfiltersegmenten gefügt sind.The invention relates to a well filter segment for the construction of well filters, consisting of end-side connecting elements for axially juxtaposing several well filter segments and a plurality of in the axial direction of Brunnenfiffersegmentes juxtaposed filter discs, wherein the filter discs are joined by arranged in openings of the filter discs connecting rods to the well filter segments.

Darüber hinaus betrifft die Erfindung ein Verfahren zur Verbindung von Zugstangen und Verbindungselementen eines Brunnenfittersegmentes, bei der das Brunnenfiltersegment aus endseitigen Verbindungselementen zur axialen Aneinanderreihung mehrerer Brunnenfiltersegmente und einer Mehrzahl von in Achsrichtung des Brunnenfiltersegmentes nebeneinander angeordneten Filterscheiben besteht und wobei die Filterscheiben durch in Durchbrechungen der Filterscheiben angeordnete Zugstangen zu den Brunnenfiltersegmenten gefügt sind.Moreover, the invention relates to a method for connecting drawbars and connecting elements of a Brunnenfittersegmentes, wherein the well filter segment consists of end-side connecting elements for axial juxtaposition of several well filter segments and a plurality of in the axial direction of the well filter segment juxtaposed filter discs and wherein the filter discs arranged through openings in the filter discs Tie rods are added to the well filter segments.

Stand der TechnikState of the art

Brunnenfiltersegmente in der eingangs geschilderten gattungsgemäßen Art sind prinzipiell aus dem Stand der Technik bekannt Sie werden insbesondere immer dann eingesetzt, wenn es erforderlich ist, einen Brunnen mit einer langen Filterrohrstrecke im Bereich über 20 Metern herzustellen. Die einzelnen Brunnenfiltersegmente können dabei vorkonfektioniert werden und sind dann vom Montagepersonal am Einsatzort miteinander zu einem Brunnenfilter zu verbinden. Die Verbindung der einzelnen Brunnenfiltersegmente geschieht üblicherweise durch Schraub- oder Steckmuffenverbindungen an den endseitigen Verbindungselementen benachbarter Brunnenfiltersegmente. Die geschilderten Verbindungstechniken sind im Hinblick auf eine Verschraubung relativ aufwändig, Steckmuffenverbindungen haben insbesondere wegen ihrer leichteren Handhabung auf der Baustelle Vorteile. Die Fixierung der Zugstangen einzelner Brunnenfiltersegmente mit den endseitigen Verbindungselementen erfolgt üblicherweise durch Verschraubungen.Well filter segments in the generic type described above are known in principle from the prior art They are in particular always used when it is necessary to produce a well with a long filter pipe section in the range over 20 meters. The individual well filter segments can be pre-assembled and are then to be connected by the assembly personnel at the site with each other to a well filter. The connection of the individual well filter segments is usually done by screw or push-in joints on the end-side connecting elements adjacent Well filter segments. The described connection techniques are relatively complicated with respect to a screw connection, push-in joints have advantages, in particular because of their easier handling on the construction site. The fixation of the tie rods of individual well filter segments with the end-side fasteners is usually done by screwing.

Aufgabe der ErfindungObject of the invention

Ausgehend von dem geschilderten Aufbau einzelner Brunnenfltersegmente besteht die Aufgabe der Erfindung darin, ein Brunnenfiltersegment der eingangs geschilderten gattungsgemäße Art so weiterzuentwickeln, dass eine Verbindung von Zugstangen und Verbindungselementen mit ausreichender Festigkeit der einzelnen Komponenten untereinander hergestellt werden kann und darüber hinaus ein einfaches und kostengünstiges Verbindungsverfahren bereitgestellt wird.Based on the described structure of individual Brunnenfltersegmente the object of the invention is to develop a well filter segment of the generic type described above so that a connection of tie rods and fasteners with sufficient strength of the individual components can be made with each other and beyond a simple and inexpensive connection method becomes.

Lösung der AufgabeSolution of the task

Die gestellte Aufgabe wird für ein Brunnenfiftersegment, bestehend aus Verbindungselementen, Zugstangen und Filterscheiben der eingangs geschilderten gattungsgemäßen Art dadurch gelöst, dass die Verbindungselemente und die Zugstangen durch eine Verklebung miteinander verbunden sind.The stated object is achieved by a Brunnenfiftersegment consisting of fasteners, tie rods and filter discs of the generic type described above in that the connecting elements and the tie rods are connected by a bond.

Hinsichtlich des Verfahrens wird die erfindungstechnische Lehre im Anspruch 6 offenbart, wobei spezielle ergänzende Verfahrensschritte in den merkmalen der auf Anspruch 6 rückbezogenen Unteransprüche enthalten sind.With regard to the method, the teaching of the invention is disclosed in claim 6, wherein special complementary method steps are included in the features of the dependent claims on claim 6 dependent claims.

Die Klebeverbindung stellt dabei aufgrund ihrer speziellen Ausgestaltung, die Gegenstand der Merkmale von auf den Anspruch 1 rückbezogenen Unteransprüchen ist, eine hinsichtlich Festigkeit, Preiswürdigkeit und Durchführbarkeit vor Ort in jeder Hinsicht überzeugende Alternative zu bislang üblichen Schraubverbindungen dar.Due to its special design, which is the subject of the features of the subclaims referring back to claim 1, the adhesive bond provides a view of strength, value and price On-site feasibility in every respect is a convincing alternative to conventional screw connections.

Als Klebstoffe haben sich insbesondere der Einsatz eines Methyl-Methacrylat-Klebers für die Verbindung bewährt.As adhesives, in particular the use of a methyl-methacrylate adhesive for the compound have proven.

Alternativ hierzu kann die Verklebung mittels eines Epoxidharz-Gemisches vorgenommen werden.Alternatively, the bonding can be made by means of an epoxy resin mixture.

Um eine ausreichende Festigkeit der Klebeverbindung nach DN 300 mit einer Bruchkraft im Zugversuch von mindestens 30 KN bei einer Haltezeit von 15 Minuten, bzw. für noch höher beanspruchte Verbindungen nach DN 400 Bruchkräfte von 60 KN bei einer Haltezeit von 15 Minuten im Zugversuch zu erzielen, hat es sich als vorteilhaft erwiesen, wenn bei der Verklebung der Zugstangen mit den Verbindungselementen vor Ort auf der Baustelle oder bei industrieller Vorfertigung in einer Montagehalle eine Raumlufttemperatur im Bereich von 22 bis 26 °C für die Kleberverarbeitung bereit gestellt wird. Dies bedeutet, dass insbesondere in kälteren Jahreszeiten auf der Baustelle eine Verklebung der einzelnen Komponenten in einer temperierten Umgebung oder einem vorgeheizten Zelt durchzuführen ist.In order to achieve a sufficient strength of the adhesive bond according to DN 300 with a breaking force in the tensile test of at least 30 KN at a holding time of 15 minutes, or for even more stressed compounds according to DN 400 breaking forces of 60 KN with a holding time of 15 minutes in the tensile test It has proven to be advantageous if in the bonding of the tie rods with the fasteners on site at the site or in industrial prefabrication in an assembly hall, a room air temperature in the range of 22 to 26 ° C for the adhesive processing is provided. This means that in particular in colder seasons on the construction site a bonding of the individual components in a temperate environment or a preheated tent is carried out.

Auf jeden Fall ist eine Umgebungstemperatur oberhalb von 16 °C zwingend einzuhalten, da bei Temperaturen unterhalb der genannten Grenze die Aushärtung der Klebeverbindung sehr verzögert wird bzw. eine Reaktion der Einzelbestandteile des Klebermaterials nicht in Gang gesetzt wird. Im Zusammenhang mit einer Vortemperierung der Umgebung ist auch zu beachten, dass selbstverständlich auch die miteinander zu verbindenden Bauelemente des Brunnenfilters, d.h. die Verbindungsstücke, bzw. die Filterscheiben und der Kleber auf den genannten Temperaturbereich von 22 bis 26 °C angewärmt wird.In any case, an ambient temperature above 16 ° C is mandatory, since at temperatures below the limit, the curing of the adhesive bond is very delayed or a reaction of the individual components of the adhesive material is not set in motion. In connection with a pre-tempering of the environment, it should also be noted that, of course, the components of the well filter to be connected to one another, ie the connecting pieces or the filter disks and the adhesive, are also heated to the stated temperature range of 22 to 26 ° C.

Hinsichtlich einer zusätzlichen Festigkeitssteigerung bei der Verwendung von Epoxidharz-Klebern hat es sich darüber hinaus als vorteilhaft erwiesen, wenn die Stelle der Klebeverbindung zwischen den Brunnenfiltersegmenten mit einer zusätzlichem Wärmevorrichtung nach der Grundaushärtung nochmals auf einen Temperaturbereich von ca. 50 °C aufgeheizt wird, um dadurch eine Nachhärtung zu erzielen.With regard to an additional increase in strength in the use of epoxy adhesives, it has also proven to be advantageous if the point of adhesive bond between the well filter segments is heated with an additional heating device after basic hardening again to a temperature range of about 50 ° C, thereby to achieve a post-curing.

Figurenbeschreibungfigure description

Nachfolgend wird ein Brunnenfilter, bestehend aus zwei Brunnenfittersegmenten anhand der beigefügten Zeichnung näher erläutert. Der Brunnenfilter 1 besteht entsprechend der Darstellung der Figur aus zwei Brunnenfiltersegmenten 2, 3. Die Brunnenfiltersegmente 2, 3 bestehen wiederum aus einzelnen Filterscheiben 4, die auf in Achsrichtung des Brunnenfilters 1 verlaufenden Zugstangen 5 aufgeschoben sind. Die Zugstangen sind an Ihren freien Enden in Verbindungselementen 6 und 7 festgelegt, die am oberen und unteren Ende der Brunnenfiltersegmente 2, 3 angeordnet sind und dazu dienen, für die Erzielung größerer Filterrohrstrecken miteinander verbunden zu werden. Die Fixierung der Verbindungselemente 6 und 7 aneinander erfolgt üblicherweise durch Verschraubung oder eine Steckmuffenverbindung wie im dargestellten Ausführungsbeispiel.Hereinafter, a well filter, consisting of two Brunnenfittersegmenten explained in more detail with reference to the accompanying drawings. According to the representation of the figure, the well filter 1 consists of two well filter segments 2, 3. The well filter segments 2, 3 in turn consist of individual filter discs 4, which are pushed onto tie rods 5 extending in the axial direction of the well filter 1. The tie rods are fixed at their free ends in connecting elements 6 and 7, which are arranged at the upper and lower ends of the well filter segments 2, 3 and serve to be connected to each other for the achievement of larger filter pipe sections. The fixation of the connecting elements 6 and 7 to each other usually by screwing or a push-in socket connection as in the illustrated embodiment.

Erfindungsgemäß kann die Verbindung der Zugstangen 5 und der Verbindungselemente 6 und 7 durch eine Verklebung mittels eines Methyl-Methacrylat-Klebers oder einer Epoxidharz-Mischung erfolgen. Der Bereich der Klebeverbindung ist dabei während des Verbindungsvorganges auf eine Temperatur von 22 bis 26 °C aufzuheizen, da nur in diesem Temperaturbereich eine optimale Zugfestigkeit der Klebeverbindung im Bereich von 30 bis 60 KN im Zugversuch über eine Haltezeit von 15 Minuten gewährleistet werden kann.According to the invention, the connection of the tie rods 5 and the connecting elements 6 and 7 can be effected by bonding by means of a methyl methacrylate adhesive or an epoxy resin mixture. The area of the adhesive bond is to heat during the bonding process to a temperature of 22 to 26 ° C, since only in this temperature range optimum tensile strength of the adhesive bond in the range of 30 to 60 KN in the tensile test over a holding time of 15 minutes can be guaranteed.

Claims (8)

Brunnenfiltersegment zum Aufbau von Brunnerdiftern, bestehend aus endseitigen Verbindungselementen zur axialen Aneinanderreihung mehrerer Brunnenfiltersegmente und einer Mehrzahl von in Achsrichtung des Brunnenfiltersegmentes nebeneinander angeordneten Filterscheiben, wobei die Filterscheiben durch in Durchbrechungen der Filterscheiben angeordnete Zugstangen zu den Brunnenfiltersegmenten gefügt sind,
dadurch gekennzeichnet, dass
die Verbindungselemente und die Zugstangen durch eine Verklebung miteinander verbunden sind.Well filter segment for building Brunnerdiftern consisting of end-side connecting elements for axially juxtaposing several well filter segments and a plurality of in the axial direction of the well filter segment juxtaposed filter discs, the filter discs are joined by arranged in openings of the filter discs tie rods to the well filter segments,
characterized in that
the connecting elements and the tie rods are connected to each other by a bond. Brunnenfiltersegment nach Anspruch 1,
dadurch gekennzeichnet, dass
die Klebeverbindung mittels eines Methyl-Methacrylat-Klebers vorgenommen ist.Well filter segment according to claim 1,
characterized in that
the adhesive bond is made by means of a methyl-methacrylate adhesive. Brunnenfiltersegment nach Anspruch 1,
dadurch gekennzeichnet, dass
die Klebeverbindung mittels eines Epoxidharz-Gemisches vorgenommen ist.Well filter segment according to claim 1,
characterized in that
the adhesive bond is made by means of an epoxy resin mixture. Brunnenfiltersegment nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass
die Zugstangen und die Verbindungselemente zumindest im Bereich ihrer Verbindungsstellen während des Aushärtevorganges im Bereich von 22 bis 26 °C temperiert sind.Well filter segment according to one of claims 1 to 3,
characterized in that
the tie rods and the connecting elements are tempered at least in the region of their connection points during the curing process in the range of 22 to 26 ° C. Brunnenfiltersegment nach einem der Ansprüche,1, 3 oder 4,
dadurch gekennzeichnet, dass
die Verklebung zwischen den Zugstangen und den Verbindungselementen nach der Voraushärtung nochmals auf einen Temperaturbereich um 50 °C aufgeheizt wird.Well filter segment according to any of claims 1, 3 or 4,
characterized in that
the bond between the tie rods and the connecting elements after the pre-hardening is heated again to a temperature range around 50 ° C. Verfahren zur Verbindung von Zugstangen und Verbindungselementen eines Brunnenfiltersegmentes, bei der das Brunnenfiltersegment aus endseitigen Verbindungselementen zur axialen Aneinanderreihung mehrerer Brunnenfiltersegmente und einer Mehrzahl von in Achsrichtung des Brunnenfiffersegmentes nebeneinander angeordneten Filterscheiben besteht und wobei die Filterscheiben durch in Durchbrechungen der Filterscheiben angeordnete Zugstangen zu den Brunnenfiltersegmenten gefügt sind,
dadurch gekennzeichnet, dass
die Fixierung der Verbindungselemente mit den Zugstangen mittels einer Klebeverbindung vorgenommen wird.Method for connecting tie rods and connecting elements of a well filter segment, wherein the well filter segment consists of end-side connecting elements for axial juxtaposition of several well filter segments and a plurality of axially spaced apart in the axial direction of the Brunnenfiffersegmentes filter discs and wherein the filter discs are joined by arranged in openings of the filter discs tie rods to the well filter segments .
characterized in that
the fixation of the connecting elements is made with the tie rods by means of an adhesive connection. Verfahren zur Verbindung von Zugstangen und Verbindungselementen eines Brunnenfiltersegmentes nach Anspruch 6,
dadurch gekennzeichnet, dass
während des Verfahrensschrittes der Verklebung die miteinander zu fügenden Bauteile auf eine Temperatur von 22 bis 26 °C aufgeheizt werden.Method for connecting tie rods and connecting elements of a well filter segment according to claim 6,
characterized in that
during the process step of the bonding, the components to be joined together are heated to a temperature of 22 to 26 ° C. Verfahren zur Verbindung von Zugstangen und Verbindungselementen eines Brunnenfiltersegmentes nach einem der Ansprüche 6 oder 7,
dadurch gekennzeichnet, dass
nach der Erstaushärtung der Klebeverbindung diese nochmals auf einen Temperaturbereich im Bereich von 45 bis 55 °C aufgeheizt wird, so dass eine Nachhärtung der Klebeverbindung erfolgen kann.Method for connecting tie rods and connecting elements of a well filter segment according to one of claims 6 or 7,
characterized in that
After the initial curing of the adhesive bond, it is again heated to a temperature range in the range of 45 to 55 ° C, so that a post-curing of the adhesive bond can take place.
EP12002052A 2011-03-22 2012-03-22 Fountain filter segment Withdrawn EP2527542A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110014731 DE102011014731A1 (en) 2011-03-22 2011-03-22 Well filter segment

Publications (1)

Publication Number Publication Date
EP2527542A1 true EP2527542A1 (en) 2012-11-28

Family

ID=45932110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12002052A Withdrawn EP2527542A1 (en) 2011-03-22 2012-03-22 Fountain filter segment

Country Status (2)

Country Link
EP (1) EP2527542A1 (en)
DE (1) DE102011014731A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062378A1 (en) * 1981-03-31 1982-10-13 Wavin B.V. A plastics pipe comprising longitudinally extending channels in its wall and slits, a method of extruding such a plastics pipe and a plastics well pipe comprising a plurality of interconnected plastics pipes
DE202007012613U1 (en) * 2007-09-08 2009-01-08 Stüwa Konrad Stükerjürgen GmbH well filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4223115A (en) * 1978-04-24 1980-09-16 Lord Corporation Structural adhesive formulations
DE102006034618B4 (en) * 2006-07-27 2011-01-27 Hobas Engineering Gmbh filter pipe
DE102009026548A1 (en) * 2009-05-28 2011-03-24 Henkel Ag & Co. Kgaa Adhesive film or adhesive tape based on epoxides
DE102009045903A1 (en) * 2009-10-21 2011-04-28 Henkel Ag & Co. Kgaa Impact-resistant, room-temperature curing two-component epoxy-based compound
DE102010044116A1 (en) * 2010-10-05 2011-04-07 Henkel Ag & Co. Kgaa Producing component, including e.g. sports equipment, comprises applying thermally hardenable, expandable adhesive film based on epoxide on the components, optionally joining components together and thermally heating joined components

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062378A1 (en) * 1981-03-31 1982-10-13 Wavin B.V. A plastics pipe comprising longitudinally extending channels in its wall and slits, a method of extruding such a plastics pipe and a plastics well pipe comprising a plurality of interconnected plastics pipes
DE202007012613U1 (en) * 2007-09-08 2009-01-08 Stüwa Konrad Stükerjürgen GmbH well filter

Also Published As

Publication number Publication date
DE102011014731A1 (en) 2012-09-27

Similar Documents

Publication Publication Date Title
EP2212483B1 (en) Bar-type supporting framework
WO2009132612A1 (en) Method for establishing a blade connection of a rotor blade, a blade connection and a securing element for a blade connection
EP2206843A1 (en) Clamping device for connecting construction elements
DE102007040451A1 (en) Apparatus and method for repairing a pipeline
EP3237765B1 (en) Connection between two joining partners, and method for establishing said connection
DE19514752A1 (en) Device for connecting two cylindrical pipe sections
WO2019175065A1 (en) Method for creating a prestress on a component made of steel, metal or an alloy by means of an sma plate, and component prestressed in such a manner
EP2527542A1 (en) Fountain filter segment
DE102012020851A1 (en) System for connecting a first component and a second component to form a rigid frame corner
DE102012111779A1 (en) Joint for lattice structure, particularly for facade or glazed roof, has ball and ball arm fixed in ball, where holders have cup-shaped sockets, which are pivot-mounted on ball, and dome-shaped socket surrounds ball
EP2585266B1 (en) Method for gluing a friction lining
EP2685019B1 (en) Connection element between two concrete components
DE102005039500A1 (en) Composite plastic and metal component manufacture involves joining extruded profiles to thin metal parts to form assembly which is then connected to further supporting plastic parts
EP3630511B1 (en) Torsion bar for a stabiliser of a motor vehicle, and stabiliser and method for producing a stabiliser
DE102009053848A1 (en) Nail for driving into at least one non-pre-punched component
CH686848A5 (en) Connection between domestic chimney sections
DE10336589B3 (en) Repair method for carrier structure, e.g. frame construction of automobile body, has replacement profile section for damaged profile section joined to original profile section via cold-joining method
DE4343465C2 (en) Reinforced lightweight construction system
DE202010004266U1 (en) Flexible mounting profile made of carbon fiber reinforced plastic
DE102006060683B3 (en) Method for gluing pipes into holes in parallel plates to produce heat exchangers comprises applying adhesive only to top surfaces of the pipes so that it fills top half of hole, which is conical and widen towards outer sides of plate
DE4135433C2 (en) Process for producing a branch on a sewer pipe for dirty water
EP3656948A1 (en) Clamping element for a component and method for introducing compression stress into a component
EP3348743A1 (en) Connection system for creating a link between building elements
DE10234655C1 (en) Device for connecting a component to a glass plate by adhesion comprises an assembly element having a surface connected to the glass plate via an adhesive layer, and a threaded hole
DE102015014954A1 (en) Tooth retaining ties

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20130327

17Q First examination report despatched

Effective date: 20130604

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20160608