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DE2338360A1 - Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film - Google Patents

Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film

Info

Publication number
DE2338360A1
DE2338360A1 DE19732338360 DE2338360A DE2338360A1 DE 2338360 A1 DE2338360 A1 DE 2338360A1 DE 19732338360 DE19732338360 DE 19732338360 DE 2338360 A DE2338360 A DE 2338360A DE 2338360 A1 DE2338360 A1 DE 2338360A1
Authority
DE
Germany
Prior art keywords
sleeve
plastic
adhesive
tail piece
plastics film
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.)
Pending
Application number
DE19732338360
Other languages
German (de)
Inventor
Udo Voos
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19732338360 priority Critical patent/DE2338360A1/en
Publication of DE2338360A1 publication Critical patent/DE2338360A1/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

The tail pieces are lined with two-part adhesive in spots, rings, or longitudinal stripes and then covered with a thin film of protective plastics. The ends of the pipes which are prepared by sandblasting or wire brushing are slid into the tailpieces and in so doing remove the plastic film and mix the two-part adhesive which is then exposed. The two parts of the pipe joint are then assembled by screwing up the coupling nut. The plastics film is pushed into a groove at the end of the tail piece. The invention ensures that the two part adhesive has the correct proportions of resin and hardener.

Description

Udo VoosUdo Voos

Berlin 12, KottStf, 63Berlin 12, KottStf, 63

RohrverschraubungTube fitting

Erfindung befasst sich mit einer druckfenten Verschraubung vorzugsweise für Wasser- , Öl- bzw.Hydraulikrohre. The invention deals with a pressure-tight screw connection, preferably for water, oil or hydraulic pipes.

Bekannt sind Verschraubungen, bei denen beim Anziehen einer Überwurfmutter ein Schneidring in das Rohr eingepresst wird, der zugleich durch Andrücken gegen eine konische Dichtfläche eine Dichtwirkung erzeugt. Von Nachteil sind dabei dr-r relativ hohe Preis und die nicht immer gewährleistete üichtwirkung. Besonders bei mehrmaligem Lösen und bei zu starkem bzw. zu schwachem Anziehen der Überwurfmutter tritt häufig Leckflüssigkeit auf.Screw connections are known in which when tightening a Union nut a cutting ring is pressed into the pipe, which at the same time by pressing against a conical Sealing surface creates a sealing effect. Disadvantages are the relatively high price and the not always guaranteed ight effect. Especially with repeated loosening and with closed If the union nut is tightened too much or too weakly, leakage fluid often occurs.

Bei anderen Verschraubungen werden die Rohre direkt angeschweißt. Die dabei auftretenden Spannungen bedingen eine Nachbehandlung, die zeitraubend und teuer ist.With other screw connections, the pipes are direct welded on. The stresses that arise in this process require post-treatment, which is time-consuming and expensive.

Ebenfalls bekannt sind Flansche, bei denen das Rohr eingeklebt wird. Das Kleben von Metallen ist jedoch im allgemeinen nicht werkstattgerecht, da bei beiden Teilen eine metallisch saubere Oberfläche Voraussetzung ist. Das Anmischen der zur Verwendung gelangenden Zwei-Komüonenten-Kleber ist zudem problematisch.Flanges in which the pipe is glued in are also known. However, bonding of metals is in generally not suitable for the workshop, as both parts a metallically clean surface is a prerequisite. Mixing the two-component adhesives used is also problematic.

Erfindungsgemäß werden diese Nachteile dadurch vermieden, daß der benötigte Klebstoff bereits vorportioniert in den Hülsender Plansche bzw. Verschraubungen vorhanden ist. Es wird vorgeschlagen, die Komponenten des Klebers in Punkten (14), Ringen (15) oder Streifen (9,lo) innerhalb der Hülsen (3»4) zu verteilen und mit einer sehr dünnen, hermetisch abschließenden Kunststoffschicht (13) zu überziehen. Beim Einsetzen des Rohres (2)(l) wird der Kunststoff aufgerissen und abgestreift. Dabei vermischen sich beide Komponenten (11,12) sehr gründlich. Der Kunststoff wird in die vorhandenen Hohlräume (7) gedrückt und verhärtet dort mit dem Kleber.According to the invention, these disadvantages are avoided by that the required adhesive is already pre-portioned in the sleeves of the plansches or screw connections. It is suggested that the components of the adhesive in points (14), rings (15) or strips (9, lo) inside of the sleeves (3 »4) and with a very thin, hermetically sealing plastic layer (13) overlay. When the tube (2) (l) is inserted, the plastic is torn open and stripped off. Mix in the process both components (11,12) very thoroughly. The plastic is pressed into the existing cavities (7) and hardens there with the glue.

Die gesamte Verschraubung (Pig.l) besteht aus zwei Hülsen (3»4) ,einer Überwurfmutter (6) und einem O-Ring (16), der eine unproblematische Dichtwirkung gewährleistet.The entire screw connection (Pig. 1) consists of two sleeves (3 »4), a union nut (6) and an O-ring (16), the ensures an unproblematic sealing effect.

409886/0320409886/0320

BAD ORIQINALBATH ORIQINAL

Die Verschraubung bietet keinerlei Ströirmngswj dor.'Hände. Die Klebung ist wie die O-Ring-Abdichtung bi3 etwa 800O druckfest. Das Ablängen der Rohre bedarf keiner besonderen Sorgfalt, da auch bei nur teilweise eingeschobenem Rohr ausreichende Dichtwirkung besteht. Verspannungen treten nicht auf, da das Rohr in seiner endgültigen Lage aushärten kann. Äußere Kräfte, die auf das Rohr einwirken, haben keinen Einfluß auf die Abdichtung.The screw connection offers no flow of air to the hands. Like the O-ring seal bi3, the bond is pressure-resistant to around 80 0 O. Cutting the pipes to length does not require any particular care, as there is sufficient sealing effect even if the pipe is only partially inserted. Tension does not occur because the pipe can harden in its final position. External forces acting on the pipe have no effect on the seal.

Zur Vorbehandlung des Rohres genügt eine einfache Bürst-Schleif- oder Sandstrahlvorrichtung, in die das Rohrende nach dem Entgraten gesteckt wird.A simple brush-sanding device is sufficient to pre-treat the pipe. or sandblasting device into which the pipe end is inserted after deburring.

Statt einer zweiten Hülse (4) kann die Verschraubung auch gegen eine T-Verschraubung o.fl. geschraubt werden.Instead of a second sleeve (4), the screw connection can also be used against a T-screw connection or similar. be screwed.

Fig.6 zeigt eine Planschverbindung mit in der beschriebenen Weise eingeklebten Rohren.6 shows a splash connection with in the described Way glued pipes.

Die zu verbindenden Rohre können je nach Anwendung3fall ebenso wie die Rohrverbinder v/ahlweise aus Metall oder aus Kunststoff sein.The pipes to be connected can vary depending on the application as well as the pipe connectors may be made of metal or plastic.

409886/0320409886/0320

Claims (5)

PatentansprücheClaims 1. Lösbare Rohrverbindung, bei der die Rohrenden in am Ro?irverbiuder befindliche Hülsen eingeklebt \^erden, besonders dftriurch gekennzeichnet, daß in diesen Hülsen vorportjoiiirrter und mit einer dünnen Kunststoffschicht überzogener Klebstoff vorhanden ist, der beim Einschieben der Rohre durch daß Aufreihen und Verschieben der Kunststoffschicht frei sowie gleichzeitig verteilt und gut durchmischt wird.1. Detachable pipe connection in which the pipe ends in am Glued in the sleeves located in the Ro? Irverbiuder, particularly characterized by that in these pods vorportjoiiirrter and with a thin layer of plastic coated adhesive is present, which when inserting the tubes by lining up and moving the Plastic layer freely and at the same time distributed and is well mixed. 2. 1,'aeh Anspruch Ί dadurch gekennzeichnet, daß am Ende der Hülse eine Nut bzw. ein Hohlraum vorgesehen ist, in die die Lunststoffhülle gedruckt wird und wo sie mit den Kleber verhärtet. 2. 1, 'aeh claim Ί characterized in that a groove or a cavity is provided at the end of the sleeve, into which the plastic sleeve is printed and where it hardens with the adhesive. 5· Kach Anspruch 1 dadurch gekennzeichnet, daß die Verbindung wahlweise als Flansch oder als Verschraubung mit Überwurfmutter ausgeführt ist, bei denen ein O-Ring die Abdichtung zwischen beiden Hülsen bzw. zwischen einer Hülse und einem Gegenstück, etwa einem T-Stück oder einem Winkel bewirkt.5 · Kach claim 1 characterized in that the Connection is optionally designed as a flange or as a screw connection with union nut, in which an O-ring the seal between the two sleeves or between a sleeve and a counterpart, such as a T-piece or an angle. 4. Kaeh Anspruch 1 dadurch gekennzeichnet, daß bei Verwendung von 2-Komponenten-Klebern beide Komponenten getrennt in der Hülse vorhanden sind und durch Zonen voneinander getrennt werden, in denen die Kunststoffschicht fest an dem Ilaterial der Hülse haftet.4. Kaeh claim 1, characterized in that when using 2-component adhesives, both components are present separately in the sleeve and are separated from each other by zones in which the plastic layer adheres firmly to the Ilaterial of the sleeve. 5. Kaeh Anspruch 1 dadurch gekennzeichnet, daß der Kleber in Punkten, Ringen oder Längsstreifen in der Hülse angeordnet ist.5. Kaeh claim 1, characterized in that the adhesive is arranged in points, rings or longitudinal strips in the sleeve. BAD ORIGINAL 409886/0320 BATH ORIGINAL 409886/0320 LeerseiteBlank page
DE19732338360 1973-07-26 1973-07-26 Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film Pending DE2338360A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19732338360 DE2338360A1 (en) 1973-07-26 1973-07-26 Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732338360 DE2338360A1 (en) 1973-07-26 1973-07-26 Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film

Publications (1)

Publication Number Publication Date
DE2338360A1 true DE2338360A1 (en) 1975-02-06

Family

ID=5888225

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732338360 Pending DE2338360A1 (en) 1973-07-26 1973-07-26 Screwed pipe coupling - uses two-component adhesive pre-coated tail piece protected by plastics film

Country Status (1)

Country Link
DE (1) DE2338360A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653138A1 (en) * 2004-10-28 2006-05-03 Esser-Werke KG Pipe for conveying solid matter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1653138A1 (en) * 2004-10-28 2006-05-03 Esser-Werke KG Pipe for conveying solid matter
WO2006045484A1 (en) * 2004-10-28 2006-05-04 Esser-Werke Kg Delivery pipe for transporting solids

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