EP2446980A2 - Tuyau et procédé destinés au traitement d'extrémités de tuyaux - Google Patents

Tuyau et procédé destinés au traitement d'extrémités de tuyaux Download PDF

Info

Publication number
EP2446980A2
EP2446980A2 EP11003493A EP11003493A EP2446980A2 EP 2446980 A2 EP2446980 A2 EP 2446980A2 EP 11003493 A EP11003493 A EP 11003493A EP 11003493 A EP11003493 A EP 11003493A EP 2446980 A2 EP2446980 A2 EP 2446980A2
Authority
EP
European Patent Office
Prior art keywords
section
tube
cross
pipe
support sleeve
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.)
Granted
Application number
EP11003493A
Other languages
German (de)
English (en)
Other versions
EP2446980A3 (fr
EP2446980B1 (fr
Inventor
Erich Spreitzer
Martin Leichtfried
Martin Kirchweger
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.)
WELSER PROFILE AUSTRIA GmbH
Original Assignee
WELSER PROFILE AUSTRIA 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 WELSER PROFILE AUSTRIA GmbH filed Critical WELSER PROFILE AUSTRIA GmbH
Priority to PL11003493T priority Critical patent/PL2446980T3/pl
Priority to DE201110101326 priority patent/DE102011101326A1/de
Publication of EP2446980A2 publication Critical patent/EP2446980A2/fr
Publication of EP2446980A3 publication Critical patent/EP2446980A3/fr
Application granted granted Critical
Publication of EP2446980B1 publication Critical patent/EP2446980B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D17/00—Forming single grooves in sheet metal or tubular or hollow articles
    • B21D17/02—Forming single grooves in sheet metal or tubular or hollow articles by pressing
    • B21D17/025—Forming single grooves in sheet metal or tubular or hollow articles by pressing by pressing tubes axially
    • 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
    • E04G7/00—Connections between parts of the scaffold
    • E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
    • E04G7/301—Scaffolding bars or members with non-detachably fixed coupling elements for connecting bars or members which are parallel or in end-to-end relation

Definitions

  • scaffold tubes with a bulge created by compression provide a good axial bearing surface for an attached tube
  • the load transfer into the undeformed region of the tube above the bead is not optimal.
  • the bead forms a kind of resilient element between the axial bearing surface and the undeformed region of the scaffolding tube.
  • For larger axial forces, which act on a system of several assembled scaffolding tubes it may also happen that the bead between the axial bearing surface and undeformed tube area is further compressed. On the one hand, this leads to a change in length of the scaffold tube, on the other hand, this can also cause the mated tubes can not be pulled apart or clamp due to the deformation.
  • first section and the second section By integral connection between the first section and the second section, it is meant that the first section and the second section are not connected to one another by a weld seam or by another joint, but rather from one another consist of a single continuous tube.
  • the tube according to the invention is easy to manufacture and inexpensive to manufacture.
  • the passage opening in the additional area-wise plate-shaped component is preferably formed so that there is a slight clearance between the passage opening and the outer contour of the second section. As a result, the additional component can be attached easily and without great effort to the second section of the tube. Between the passage opening of the additional component and the second portion of the tube may also be a press fit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
EP11003493.1A 2010-10-26 2011-04-28 Tuyau d'échafaudage et procédé destiné au traitement d'extrémités de tuyaux Active EP2446980B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL11003493T PL2446980T3 (pl) 2010-10-26 2011-04-28 Rura rusztowania i sposób obróbki zakończenia rury
DE201110101326 DE102011101326A1 (de) 2011-04-28 2011-05-12 Verbindung zwischen einem Rohrende und einem plattenförmigen Körper sowie Verfahren zur Herstellung der Verbindung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010049589A DE102010049589B8 (de) 2010-10-26 2010-10-26 Rohr und Verfahren zur Bearbeitung von Rohrenden

Publications (3)

Publication Number Publication Date
EP2446980A2 true EP2446980A2 (fr) 2012-05-02
EP2446980A3 EP2446980A3 (fr) 2012-08-01
EP2446980B1 EP2446980B1 (fr) 2014-03-19

Family

ID=44883443

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11003493.1A Active EP2446980B1 (fr) 2010-10-26 2011-04-28 Tuyau d'échafaudage et procédé destiné au traitement d'extrémités de tuyaux

Country Status (5)

Country Link
EP (1) EP2446980B1 (fr)
DE (1) DE102010049589B8 (fr)
DK (1) DK2446980T3 (fr)
ES (1) ES2462016T3 (fr)
PL (1) PL2446980T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100765A1 (de) * 2013-01-25 2014-07-31 Peri Gmbh Gerüstrohr eines Baugerüsts und Gerüstelement
DE102013112462A1 (de) * 2013-11-13 2015-05-13 Faurecia Autositze Gmbh Höhenverstelleinrichtung eines Kraftfahrzeugsitzes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106836787B (zh) * 2017-01-20 2020-09-08 郑州大学西亚斯国际学院 一种园林建筑用脚手架
DE102017108206B4 (de) 2017-04-18 2020-06-18 Faurecia Autositze Gmbh Verstellanordnung für eine Verstelleinrichtung eines Fahrzeugsitzes, Verfahren zum Herstellen einer derartigen Verstellanordnung sowie Fahrzeugsitz

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1972690U (de) 1967-09-02 1967-11-16 Eberhard Layher Geruestrohr fuer metallgerueste.
DE2654439A1 (de) 1976-12-01 1978-06-08 Rossi Luigi Dr Verfahren zur herstellung einer loesbaren steckverbindung und steckverbindung hergestellt nach dem verfahren
DE202008017196U1 (de) 2008-11-12 2009-05-07 Heinrich Müller Maschinenfabrik GmbH Vorrichtung zur Rohrumformung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791349A (en) * 1953-06-29 1957-05-07 Exlam Sa Metal container and process for its manufacture
JPS4745986B1 (fr) * 1967-02-25 1972-11-20
DE1752411B2 (de) * 1968-05-22 1974-08-22 Philips Patentverwaltung Gmbh, 2000 Hamburg Vorrichtung zum Umstülpen eines Rohres
DE9416640U1 (de) * 1994-10-15 1994-12-01 Reiche & Co Vorrichtung zur Aufnahme von Aufprallenergie und Aufhängung eines Stoßfängers an einem Fahrzeug
US6543266B1 (en) * 1999-08-24 2003-04-08 Magna International Inc. Hydroformed collapsible driveshaft and steering shaft and methods of making the same
JP4395964B2 (ja) * 2000-02-29 2010-01-13 Ｊｆｅスチール株式会社 衝突エネルギー吸収構造体
US6942262B2 (en) * 2001-09-27 2005-09-13 Shape Corporation Tubular energy management system for absorbing impact energy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1972690U (de) 1967-09-02 1967-11-16 Eberhard Layher Geruestrohr fuer metallgerueste.
DE2654439A1 (de) 1976-12-01 1978-06-08 Rossi Luigi Dr Verfahren zur herstellung einer loesbaren steckverbindung und steckverbindung hergestellt nach dem verfahren
DE202008017196U1 (de) 2008-11-12 2009-05-07 Heinrich Müller Maschinenfabrik GmbH Vorrichtung zur Rohrumformung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013100765A1 (de) * 2013-01-25 2014-07-31 Peri Gmbh Gerüstrohr eines Baugerüsts und Gerüstelement
DE102013112462A1 (de) * 2013-11-13 2015-05-13 Faurecia Autositze Gmbh Höhenverstelleinrichtung eines Kraftfahrzeugsitzes

Also Published As

Publication number Publication date
ES2462016T3 (es) 2014-05-22
DE102010049589B8 (de) 2012-09-13
PL2446980T3 (pl) 2014-07-31
DK2446980T3 (da) 2014-05-05
EP2446980A3 (fr) 2012-08-01
DE102010049589B3 (de) 2012-04-26
EP2446980B1 (fr) 2014-03-19

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