EP3250845A1 - Accouplement de tuyaux pour relier deux extrémités de tuyaux ou collier de tuyau pour rendre étanche un tuyau défectueux - Google Patents

Accouplement de tuyaux pour relier deux extrémités de tuyaux ou collier de tuyau pour rendre étanche un tuyau défectueux

Info

Publication number
EP3250845A1
EP3250845A1 EP16702809.1A EP16702809A EP3250845A1 EP 3250845 A1 EP3250845 A1 EP 3250845A1 EP 16702809 A EP16702809 A EP 16702809A EP 3250845 A1 EP3250845 A1 EP 3250845A1
Authority
EP
European Patent Office
Prior art keywords
pipe
clamp
longitudinal slot
band
pipe coupling
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Withdrawn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
EP16702809.1A
Other languages
German (de)
English (en)
Inventor
Hubert Mannhart
Damir Sudar
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.)
Straub Werke AG
Original Assignee
Straub Werke AG
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 Straub Werke AG filed Critical Straub Werke AG
Publication of EP3250845A1 publication Critical patent/EP3250845A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
    • F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/002—Sleeves or nipples for pipes of the same diameter; Reduction pieces
    • F16L21/005—Sleeves or nipples for pipes of the same diameter; Reduction pieces made of elastic material, e.g. partly or completely surrounded by clamping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
    • F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends tightened by tangentially-arranged threaded pins

Definitions

  • the invention relates to a pipe coupling or a pipe clamp according to the preamble of claim 1 and of claim 6.
  • Pipe couplings are used to connect two mutually facing pipe ends.
  • Such a pipe coupling is also referred to as pipe clamp or clamp.
  • a pipe coupling is used as a pipe clamp for sealing a defective pipe, it is placed around the defective pipe section and braced. Again, to ensure a sufficient
  • a pipe coupling for connecting two pipe ends is known, which is an outer clamp band, the one Outer longitudinal slot with opposite one another
  • an inner band clamp which has an inner longitudinal slot with opposite inner longitudinal slot sides, and arranged on the outer band clamp
  • the inner longitudinal slot is arranged opposite to the outer longitudinal slot.
  • Clamp bands included. Between the outer clamp band and the inner clamp band is a layer of fire resistant
  • the inner longitudinal slot is arranged opposite to the outer longitudinal slot.
  • a sealing insert is provided on the inside of the inner clamp band.
  • EP0551582A1 a pipe coupling is shown, which has a longitudinally split, cylindrical one-piece housing shell with inwardly bent radial end walls as an outer clamp band. A shallow the housing gap of the housing shell bridging
  • Insertion sheet is located on the inside of the housing shell.
  • the finite liner is aligned with respect to the housing gap such that its longitudinal gap is diametrically opposite the housing gap.
  • the inside of the liner is a V-shaped support ring to the side Supporting the sleeve-like and inside arranged sealing insert provided.
  • the clamping mechanism of the inner clamp band is radially offset from the clamping mechanisms of the outer clamp band.
  • a disadvantage of this known solution is the complicated structure of this pipe clamp, which leads in particular to high production costs.
  • this known solution for economic reasons to seal a defective pipe is not or only partially suitable.
  • Object of the present invention is thus to provide a pipe coupling or a pipe clamp, which are the aforementioned
  • a first approach of the invention comprises a pipe coupling or a pipe clamp an outer clamp band, the has at least one outer longitudinal slot with opposite outer longitudinal slot sides, an inner clamp band, the at least one inner longitudinal slot with each other
  • Inner longitudinal slot offset from the at least one outer longitudinal slot is arranged. Further, a separate, flat bridging element for bridging the at least one inner longitudinal slot is provided on the inner clamp band, which extends from the one inner longitudinal slot side in the direction of the other inner longitudinal slot side.
  • outer longitudinal slot and inner longitudinal slot refers to the tube longitudinal axis of the tube or of the tubes on which the tube coupling or the tube clip is arranged, in other words the outer longitudinal slot and also the inner longitudinal slot extends transversely to the curved one Course of the
  • Such a pipe coupling or pipe clamp is characterized by a uniform bracing, wherein canting of either the inner clamp band or the outer clamp band can be done.
  • the inventive pipe coupling or pipe clamp is easy to prepare and easy to install.
  • the at least one planar bridging element advantageously has an extension, which for covering the at least one
  • Inner longitudinal slot is sufficient even in the unclamped state of the pipe coupling or pipe clamp.
  • the at least one flat bridging element is fixed on one side to the inner clamp band, so that when mounting the pipe coupling or the pipe clamp, the flat
  • Bridging element is advantageously positively and / or non-positively fixed to a portion region of the inner clamp band, for example by means of at least one welding point, at least one soldering point, at least one rivet, at least one screw, at least one
  • Clinching point or an adhesive.
  • the type of determination is selected according to the material type of the elements to be connected.
  • the inner clamp band is fixed to the outer clamp band, whereby the pipe coupling or pipe clamp is particularly easy to install.
  • the inner clamp part is advantageously shaped and / or non-positively fixed to the outer clamp part,
  • the type of determination is selected according to the material type of the elements to be connected.
  • the inner clamp band is formed at least in two parts, whereby the pipe coupling or the pipe clamp is even easier to install due to the resulting flexibility.
  • each inner clamp band part is fixed to the outer clamp band.
  • the inner clamp parts are advantageously positive and / or non-positive on or - if more outer clamp parts are available - fixed to the outer clamp parts, for example by means of at least one weld point, at least one solder point, at least one rivet, at least one screw, at least one
  • Clinching point or an adhesive.
  • the type of determination is selected according to the material type of the elements to be connected.
  • a separate, flat bridging element is provided for bridging the same for each inner longitudinal slot, whereby the clamping insert is clamped in each case during the clamping process
  • Each planar bridging element advantageously has an extension which is sufficient to cover the respective inner longitudinal slot in the unstressed state of the pipe coupling or the pipe clamp.
  • Pipe ends or a pipe clamp for sealing a defective pipe an outer clamp band the at least one
  • the outer clamp band is formed at least in two parts, wherein in each case an outer longitudinal slot is formed between the ends of the at least two outer Schellenbandteiie.
  • the inner clamp band is formed at least in two parts, wherein in each case an inner longitudinal slot is formed between the ends of the at least two inner Schellenbandteiie, wherein at least one of
  • Inner longitudinal slots offset from one of the outer longitudinal slots is arranged.
  • the individual Schellenbandteiie can be less massive compared to a conventional pipe coupling or pipe clamp with the same load capacity. Furthermore, different materials can be used for the individual clamp band parts, which are combined according to the respective application. This pipe coupling or pipe clamp can be produced more cost-effectively.
  • Clamp significantly simplifies the assembly, which is particularly in tight spaces, such. B. in a trench, is advantageous.
  • multipart design centered pipe coupling or the Pipe clamp almost self-contained during installation, which further simplifies assembly.
  • each inner longitudinal slot is offset from the
  • an inner Schellbandteil a greater arc length than the outer outer clamp band part, so that this inner
  • Schellbandteil protrudes at least on one side over the associated, the outer clamp band part and the corresponding outer longitudinal slot in the merged state of the pipe coupling or the
  • an inner clamp part projects beyond the outer, outer clamp part assigned to it on both sides
  • At least one of the inner clamp band parts is fixed to an outer clamp band part, so that when mounting the
  • Each inner clamp band part is particularly advantageously fixed to the outer clamp band part associated therewith.
  • the one or more inner shell parts are advantageously positively and / or non-positively fixed to the outer cleat parts, for example by means of at least one welding point, at least one soldering point, at least one rivet, at least one screw, at least one clinching point, or an adhesive.
  • the type of determination is selected according to the material type of the elements to be connected.
  • At least one separate, flat bridging element is provided for bridging the inner longitudinal slots on the inner clamp band, which extends over the inner longitudinal slots. This is a tilting neither the inner band clamp nor the outer
  • the flat bridging element advantageously has an extension, which is sufficient to cover the inner longitudinal slots in the unstressed state of the pipe coupling or the pipe clamp.
  • a separate, flat bridging element for bridging the same is preferably provided for each inner longitudinal slot, which is a simple and cost-effective production of the
  • Pipe coupling or pipe clamp allows, with a good bracing the pipe coupling or pipe clamp is still given.
  • Fig. 1 shows an embodiment of a pipe coupling
  • FIG. 2 shows a section through the inner slot of the embodiment according to FIG. 1, FIG.
  • Fig. 3 shows an embodiment of a pipe coupling
  • Fig. 4 shows a first outer clamp part of the embodiment according to
  • Fig. 5 shows a second outer clamp part of the embodiment according to
  • Fig. 6 is a perspective detail view of the embodiment according to
  • a pipe coupling 1 1 for connecting two pipe ends of the tubes 6 and 7 is shown.
  • the pipes 6 and 7 define a pipe longitudinal axis 8.
  • the pipe coupling 1 1 can also serve as a pipe clamp for sealing a defective pipe.
  • the pipe coupling 1 1 has an outer clamp band 12, the free end portions are respectively formed into tabs 13 and 15 and the ends 14 and 16 are fixed on the outside of the outer clamp band 12.
  • the mutually opposite tabs 13 and 15 have opposite outer longitudinal slot sides 17 and 18, between which an outer longitudinal slot 19 is formed.
  • the outer longitudinal slot 19 extends parallel to the tube longitudinal axis eighth
  • the pipe coupling 1 1 further comprises an inner clamp band 26 with opposite inner longitudinal slot sides 27 and 28, between which an inner longitudinal slot 29 is formed.
  • the inner longitudinal slot 29 is offset from the outer longitudinal slot 19, offset in this example by 180 °.
  • the inner longitudinal slot 29 extends parallel to the
  • the inner clamp band 26 is on the outer
  • Clamp band 12 set.
  • the inner clamp band 26 is fixed to the outer clamp band 12, for example, by at least one welding point.
  • a female threaded portion is provided, in which a
  • Bridging element 31 for bridging the inner longitudinal slot 29 intended.
  • the flat bridging element 31 extends from one inner longitudinal slot side 27 in the direction of the other
  • Bridging element 31 is one-sided, here at
  • the pipe coupling 41 shown in FIGS. 3 to 6 is the outer one
  • Clamp band 42 formed in two parts and thus has an outer
  • Clamp band portion 43 are respectively deformed to tabs 44 and 46, wherein the ends of which are fixed on the outside of the outer clamp band part 43, z. B. over welding points or rivets or screws.
  • the free end portions of the outer band member 48 are also each too
  • the opposing lugs 44 and 49 have opposite outer longitudinal slot sides 45 and 50, between which the outer longitudinal slot 56 is formed.
  • the mutually opposite tabs 46 and 51 have opposite outer longitudinal slot sides 47 and 52, between which the outer longitudinal slot 58 is formed.
  • the inner clamp band 61 of the pipe coupling 41 is formed in two parts 5 and thus has an inner clamp member 62 and an inner clamp member 67.
  • the inner clamp member 62 is fixed to the outer clamp member 48, z. B. over two welding points 65 (see Fig. 4).
  • the inner clamp member 62 further has an inner longitudinal slot sides 63 and 64 bounded Arc length, which is shorter than the arc length of the outer clamp member 48.
  • the inner longitudinal slot sides 63 and 64 of the inner clamp member 62 are approximately equidistant from the
  • the inner clamp member 67 is fixed to the outer clamp member 43, z. B. over two welding points 70 (see Fig. 5).
  • the inner clamp member 67 further has an inner longitudinal slot sides 68 and 69 bounded
  • Arc length which is longer than the arc length of the outer clamp member 43.
  • the inner longitudinal slot sides 68 and 69 of the inner clamp member 67 project beyond the same distance
  • an inner longitudinal slot 76 is formed between the opposed inner longitudinal slot sides 63 and 68. Between the opposite inner longitudinal slot sides 64 and 69, an inner longitudinal slot 78 is formed. The inner longitudinal slot 76 is offset from the
  • Outer longitudinal slot 56 and the inner longitudinal slot 78 is arranged offset to the outer longitudinal slot 58.
  • a second clamping mechanism 83 is provided for reducing the inner diameter of the pipe coupling 41.
  • a separate, flat bridging element 86 and 88 is respectively provided on the inside, which extend in the assembled as in the clamped state of the pipe coupling 41 via the inner longitudinal slots 76 and 78, respectively.
  • the flat bridging elements 86 and 88 are each fixed positively and / or non-positively on the inner clamp member 67, here by means Welding points 87 and 89.
  • Bridging element 86 and 88 also be fixed to the Schellenten 87 with rivets or screws.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

L'invention concerne un accouplement de tuyaux respectivement un collier de tuyau, comprenant une bande de serrage extérieure (12) qui présente une fente longitudinale extérieure (19), une bande de serrage intérieure (26) qui présente une fente longitudinale intérieure (29) et un mécanisme de serrage (21) disposé sur la bande de serrage extérieure. La fente longitudinale intérieure (29) est disposée de façon décalée par rapport à la fente longitudinale extérieure (19). Un élément de liaison plat et séparé (31) pour couvrir la fente longitudinale intérieure (29) est prévu sur la bande de serrage intérieure (26). L'élément de liaison (31) s'étend d'un côté de la fente longitudinale intérieure (27) dans la direction de l'autre côté de la fente longitudinale intérieure (28).
EP16702809.1A 2015-01-26 2016-01-26 Accouplement de tuyaux pour relier deux extrémités de tuyaux ou collier de tuyau pour rendre étanche un tuyau défectueux Withdrawn EP3250845A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15152574.8A EP3048353B1 (fr) 2015-01-26 2015-01-26 Accouplement tubulaire destiné à relier deux extrémités de tube ou collier destiné à étanchéifier un tube défectueux
PCT/IB2016/050382 WO2016120788A1 (fr) 2015-01-26 2016-01-26 Accouplement de tuyaux pour relier deux extrémités de tuyaux ou collier de tuyau pour rendre étanche un tuyau défectueux

Publications (1)

Publication Number Publication Date
EP3250845A1 true EP3250845A1 (fr) 2017-12-06

Family

ID=52394984

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15152574.8A Active EP3048353B1 (fr) 2015-01-26 2015-01-26 Accouplement tubulaire destiné à relier deux extrémités de tube ou collier destiné à étanchéifier un tube défectueux
EP16702809.1A Withdrawn EP3250845A1 (fr) 2015-01-26 2016-01-26 Accouplement de tuyaux pour relier deux extrémités de tuyaux ou collier de tuyau pour rendre étanche un tuyau défectueux

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15152574.8A Active EP3048353B1 (fr) 2015-01-26 2015-01-26 Accouplement tubulaire destiné à relier deux extrémités de tube ou collier destiné à étanchéifier un tube défectueux

Country Status (5)

Country Link
US (1) US10781961B2 (fr)
EP (2) EP3048353B1 (fr)
CA (1) CA2974616C (fr)
ES (1) ES2715416T3 (fr)
WO (1) WO2016120788A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127290A (en) * 1977-04-27 1978-11-28 Tiroler Rohren- Und Metallwerke Aktiengesellschaft Hall In Tirol (Austria) Spigot-and-socket joint for tubes
US4381020A (en) 1981-07-30 1983-04-26 Mueller Co. Single and multiple section pipe repair or service clamps
NZ238986A (en) 1990-07-27 1997-01-29 Taylor Kerr Couplings Ltd Fliud-tight pipe coupling with slots in sealing sleeve that receive teeth of gripping ring
DE59203992D1 (de) 1992-01-16 1995-11-16 Straub Federnfabrik Rohrkupplung.
US5288108A (en) 1992-10-05 1994-02-22 Cascade Waterworks Manufacturing Co. Bell joint repair clamp
DE4411062C1 (de) * 1994-03-30 1995-12-07 Rasmussen Gmbh Axialzugentlastungsschelle
GB2303677B (en) 1995-07-24 1999-01-20 Taylor Kerr Pipe coupling
JP3151551B2 (ja) * 1995-09-13 2001-04-03 株式会社ベンカン 管継手
GB9611410D0 (en) 1996-05-31 1996-08-07 Taylor Kerr Couplings Ltd Pipe coupling
GB2389395B (en) 2002-06-07 2006-02-15 Taylor Kerr Pipe coupling
MX2007009451A (es) * 2005-02-10 2007-09-25 Breeze Torca Products Llc Abrazadera para tuberia con reborde central con junta.
MX2012002416A (es) * 2009-08-28 2012-06-01 Norma Holding Llc Abrazadera de tuberia con manguito y empaque.

Also Published As

Publication number Publication date
CA2974616A1 (fr) 2016-08-04
EP3048353A1 (fr) 2016-07-27
US20180003333A1 (en) 2018-01-04
US10781961B2 (en) 2020-09-22
WO2016120788A1 (fr) 2016-08-04
EP3048353B1 (fr) 2018-12-26
CA2974616C (fr) 2022-05-10
ES2715416T3 (es) 2019-06-04

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