WO2005040663A1 - Procede pour raccorder un tuyau et element de raccordement utilise lors de la mise en oeuvre dudit procede - Google Patents

Procede pour raccorder un tuyau et element de raccordement utilise lors de la mise en oeuvre dudit procede Download PDF

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Publication number
WO2005040663A1
WO2005040663A1 PCT/FI2004/000568 FI2004000568W WO2005040663A1 WO 2005040663 A1 WO2005040663 A1 WO 2005040663A1 FI 2004000568 W FI2004000568 W FI 2004000568W WO 2005040663 A1 WO2005040663 A1 WO 2005040663A1
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
connector piece
hole
pipes
solder
Prior art date
Application number
PCT/FI2004/000568
Other languages
English (en)
Inventor
Seppo Partanen
Original Assignee
Seppo Partanen
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 Seppo Partanen filed Critical Seppo Partanen
Publication of WO2005040663A1 publication Critical patent/WO2005040663A1/fr

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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/082—Non-disconnectible joints, e.g. soldered, adhesive or caulked joints
    • F16L41/084—Soldered joints

Definitions

  • the present invention relates to a method for joining a pipe and more specifically a method, with the aid of which one pipe can be joined to another at essentially right angles.
  • the invention also relates to a connector piece for use in the method.
  • the conventional procedure for joining one pipe to another involves, in the first stage, making a hole at the desired connection point in the main pipe to which it is intended to connect the second pipe, notching the end of the pipe to be connected in such a way that the pipe to be connected lies essentially tightly on top of the main pipe, and placing a ring of solder around the hole in the main pipe so that, when the pipe to be connected is set in place, the ring remains entirely inside, but very close to the inner surface of the pipe to be connected, after which the area of the connection between the pipe being connected and the main pipe is heated with a soldering flame, thus melting the solder and welding the connection through the capillary phenomenon.
  • the present invention is intended to alleviate the problem referred to above and for this purpose create a method that will make the joint more durable than known joints.
  • Figure 1 shows a cross-section of an arrangement for applying the method according to the invention.
  • Figure 2 shows the performance of the final stage of the method.
  • Figure 1 shows a cross-section of the application of the invention.
  • the main pipe 1 to which the second pipe 2 is connected, is any pipe at all in which a medium usually flows, particularly either water for transmitting heat from one place to another, or a cooling agent for arranging cooling in a desired place.
  • the pipe or pipes can be conventional pipes with a circular cross-section, they can also be, for example, square pipes. It is obvious that the connection of square pipes will require the end of the pipe 2 being connected to be flat, in order to fit onto the flat external surface of the main pipe. Connecting round pipes to each other, however, will require the connecting end of the pipe 2 being connected to be suitably shaped to fit more or less tightly against the external surface of the main pipe 1.
  • Figure 2 shows the final stage of the method being carried out, which corresponds completely to that according to the prior art, i.e. in it the connection area of the pipes 1 and 2 is heated with a flame, using a suitable jet nozzle 6.
  • Figure 1 illustrates how the connection is made stronger and more durable than a conventional connection.
  • an connector piece 4 is now used to support the joint.
  • the work procedure is now one in which a hole 7 of the desired size is first drilled in the main pipe 1.
  • the connector piece 4 which consists of a flange part 41 , with a diameter corresponding precisely to the internal dimension of the pipe 2 and of a tubular straight part 42, with a diameter corresponding precisely to the dimension of the drilled hole 7, is placed in the hole.
  • a solder ring 3 is placed around the part 42, before it is set in the hole 7.
  • a suitable tool is used to expand the bottom end of the tubular part 42 of the connector piece, thus preventing the connector piece 4 from leaving the hole and also setting the connector piece firmly in place.
  • the pipe 2 to be connected is pushed on top of (around) the connector piece, so that the shaped bottom end (in the figure) of the pipe lies more or less tightly against the outer surface of the pipe 1.
  • All that is now needed is heating with a flame from outside. Conventionally, the heating takes place in the area of the connection of the pipes 1 and 2.
  • the solder ring 3, which is now close to the internal surface of the pipe 2 and is more or less on the outer surface of the pipe 1 melts and the capillary phenomenon sucks the solder into the joints, on the one hand, between the pipes 1 and 2 and, on the other, between the neck 42 of the connector piece 4 and the hole 7, and also between the flange part 41 and the internal surface of the pipe 2.
  • After cooling a tight joint stabilized against movement has been created, which is clearly more durable than known joints under varying conditions.
  • solder can be placed on top of the flange part 41 of the connector piece 4, as this location will ensure a better spread of the solder into the joints. If necessary, solder can be used both on top of the flange part 41 and also under the flange part 41 around the tubular part 42, thus ensuring the joints between the flange part and the internal surface of the pipe 2 being connected and between the hole and the pipes. The use of only a single ring of solder will usually be sufficient.
  • the connector piece 4 is attached to the hole using a suitable tool, for instance, a pneumatically operated expander tool. Naturally any other tool that produces the desired effect can be used for this purpose.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

L'invention concerne un procédé pour raccorder un tuyau latéral (2) à un tuyau principal (1), un orifice (7) de dimension désirée étant réalisé au point de raccordement dans le tuyau principal. L'extrémité du tuyau à raccorder est façonnée de sorte qu'elle est sensiblement adaptée à la surface du tuyau principal (1). Avant la mise en place du tuyau latéral (2) dans l'orifice (7), un élément de raccordement (4) est fixé au tuyau latéral, et les tuyaux (1,2) sont soudés l'un à l'autre. L'amélioration apportée par l'invention réside dans le fait que l'élément de raccordement (4) est façonné de façon à présenter une partie tubulaire (42), dont la taille correspond essentiellement à celle de l'orifice et le diamètre est inférieur à celui du tuyau latéral (2), ainsi qu'à son extrémité supérieure, un rebord (41) qui correspond sensiblement aux dimensions internes du tuyau latéral (2). En outre, un métal d'apport (3) est placé à l'intérieur du tuyau latéral à raccorder, puis les tuyaux sont chauffés de façon à faire fondre le métal d'apport (3) et à créer un raccord soudé.
PCT/FI2004/000568 2003-10-23 2004-09-30 Procede pour raccorder un tuyau et element de raccordement utilise lors de la mise en oeuvre dudit procede WO2005040663A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20031549A FI20031549A (fi) 2003-10-23 2003-10-23 Menetelmä putken liittämiseksi ja välikappale menetelmän suorittamiseksi
FI20031549 2003-10-23

Publications (1)

Publication Number Publication Date
WO2005040663A1 true WO2005040663A1 (fr) 2005-05-06

Family

ID=29225986

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2004/000568 WO2005040663A1 (fr) 2003-10-23 2004-09-30 Procede pour raccorder un tuyau et element de raccordement utilise lors de la mise en oeuvre dudit procede

Country Status (2)

Country Link
FI (1) FI20031549A (fr)
WO (1) WO2005040663A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513929B (zh) * 2014-04-17 2015-12-21 Tsung Jung Wang 歧管一體成形工具及方法
EA037675B1 (ru) * 2018-01-20 2021-04-29 Иностранное частное торговое унитарное предприятие "Ростела" Способ соединения отвода с трубопроводом

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456503C (de) * 1928-02-24 Mathilde Willutzki Geb Risse Rohrverbindung fuer geloetete Fahrradrahmen
FR945496A (fr) * 1947-04-19 1949-05-05 Cadre de bicyclette
GB2092692A (en) * 1981-02-05 1982-08-18 Flowdrilling Uk Ltd Improvements in pipe joints
US6161876A (en) * 1995-06-22 2000-12-19 Valeo Thermique Moteur Elbow connection for tubular manifold for a motor vehicle air-conditioning condenser

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456503C (de) * 1928-02-24 Mathilde Willutzki Geb Risse Rohrverbindung fuer geloetete Fahrradrahmen
FR945496A (fr) * 1947-04-19 1949-05-05 Cadre de bicyclette
GB2092692A (en) * 1981-02-05 1982-08-18 Flowdrilling Uk Ltd Improvements in pipe joints
US6161876A (en) * 1995-06-22 2000-12-19 Valeo Thermique Moteur Elbow connection for tubular manifold for a motor vehicle air-conditioning condenser

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI513929B (zh) * 2014-04-17 2015-12-21 Tsung Jung Wang 歧管一體成形工具及方法
EA037675B1 (ru) * 2018-01-20 2021-04-29 Иностранное частное торговое унитарное предприятие "Ростела" Способ соединения отвода с трубопроводом

Also Published As

Publication number Publication date
FI20031549A (fi) 2005-04-24
FI20031549A0 (fi) 2003-10-23

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