EP1389658A1 - Joint à filet de vis pour barres de transmission de force - Google Patents

Joint à filet de vis pour barres de transmission de force Download PDF

Info

Publication number
EP1389658A1
EP1389658A1 EP02018042A EP02018042A EP1389658A1 EP 1389658 A1 EP1389658 A1 EP 1389658A1 EP 02018042 A EP02018042 A EP 02018042A EP 02018042 A EP02018042 A EP 02018042A EP 1389658 A1 EP1389658 A1 EP 1389658A1
Authority
EP
European Patent Office
Prior art keywords
thread
rod
screw connection
conical
external thread
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
EP02018042A
Other languages
German (de)
English (en)
Other versions
EP1389658B1 (fr
Inventor
Klaus Fröhlich
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.)
Leviat GmbH
Original Assignee
Halfen GmbH and Co KG
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 Halfen GmbH and Co KG filed Critical Halfen GmbH and Co KG
Priority to EP02018042A priority Critical patent/EP1389658B1/fr
Priority to AT02018042T priority patent/ATE347640T1/de
Priority to DE50208898T priority patent/DE50208898D1/de
Publication of EP1389658A1 publication Critical patent/EP1389658A1/fr
Priority to HK04106166A priority patent/HK1063493A1/xx
Application granted granted Critical
Publication of EP1389658B1 publication Critical patent/EP1389658B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction
    • E04C5/165—Coaxial connection by means of sleeves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/163—Connectors or means for connecting parts for reinforcements the reinforcements running in one single direction

Definitions

  • the invention relates to a screw connection for force-transmitting Bars, in particular reinforcing bars for reinforced concrete parts the type specified in the preamble of claim 1.
  • EP 0 059 680 B1 describes an anchor connection, by means of arranged in two different concrete sections Anchor can be connected. It is at one of the anchors at one End by forging the anchor material designed a recording head, in which a bore is arranged with internal thread. At one end of the other anchor is preferably through Thread rolls provided thread provided, the diameter at the bottom of the screw groove at least the original diameter corresponds to the anchor. For this it is necessary to enlarge this end of the anchor beforehand in diameter what also done in a suitable manner by forging.
  • EP 0 077 952 A1 discloses a method for the production a bar end for the connection of reinforcing bars in Reinforced concrete construction.
  • One is with conical widening in the area the end of the thread peeled bar end provided on the with a thread rolling tool a thread rolled up. To the thread crests also in the area of the expiring To fully develop thread, the conical expansion must be determined accordingly.
  • a threaded coupling for force-transmitting rods in particular reinforcing rods for Reinforced concrete parts, described.
  • a sleeve is provided, which has a section with an internal thread and the with its other section by radial compression with connected to one end of a reinforcing bar.
  • the end of the other reinforcing bar has a head with a External thread, the head as an initially separate part, the then attached to the reinforcing bar by butt welding or designed as an upset by upsetting end can.
  • the present invention is based on the object, a Screw connection for force-transmitting rods, in particular Reinforcing bars, to create the simpler and cheaper is to produce.
  • the thread be rolled up immediately at the end of the second rod, without requiring a previous processing of the rod end is.
  • the conical course of the internal thread within the Coupling sleeve, at least over a partial length, leads to a Reduction of the thread diameter, which has the advantage that the sleeve overall has a smaller volume and thus also a smaller volume at the end of the first rod transformed must become. This will make the editing steps simplified for the preparation of the screw without the Screw connection with respect to the power transmission too weaknesses.
  • the internal thread be conical over its entire length. That's it appropriate that the external thread on the second rod such Has shape that matches the conical shape of the internal thread is. Is considered particularly appropriate that the External thread on the connection head at least over a partial length a smaller compared to the diameter of the second rod Outside diameter has. It is expedient that the External thread on his to the second rod extending Transition region has the same cone shape as the conical threaded section at the outer end of the sleeve.
  • the Outer diameter of the thread over a part length constant is the Outer diameter of the thread over a part length constant.
  • a design of the thread has proven at the part length of the conical section the 0.15 bis 0.3 times the total length of the thread.
  • One the required Tensile stressing power transmission is guaranteed even if the outside diameter of the External thread is smaller than the diameter of the second Bar itself.
  • the outer diameter of the External thread about 0.9 times the diameter of the second Bar is.
  • Fig. 1 the end of a first rod 2 is shown, which is expanded by forging in diameter and designed as a coupling sleeve 4.
  • This coupling sleeve 4 comprises a bore 5 with an internal thread 6, wherein to the open end of the bore 5 through a conical threaded portion 7 is provided.
  • the front end of the coupling sleeve 4 is designed as a flange 8, in which are bores 9, which serve for example for the passage of fastening means on a formwork.
  • the internal thread 6 has an overall length 1, wherein the internal thread 6 over a partial length l 1 has a constant diameter, whereas the conical threaded portion 7 extends over the much shorter part length l 2 .
  • Fig. 2 shows the view according to arrow II in Fig. 1, i. the front view of the flange 8 with the centrally arranged Bore 5 and internal thread 6 and conical threaded section 7 and four evenly distributed around the circumference arranged holes 9.
  • Fig. 3 shows a section through the coupling sleeve 2 according to FIG. 1 and in addition a running on a second rod 3 connecting head 10 with external thread 11.
  • This external thread 11 has a transition region 12 to the second rod 3 out.
  • the external thread 11 has a partial length l 1 with an outside diameter D G which is smaller than the diameter D of the second bar 3.
  • the external diameter D G of the external thread 11 is 0.9 times the diameter D of the second rod 3.
  • the partial length l 2 is the 0,15- up to 0.3 times the total length 1 of the thread.
  • Fig. 4 shows a by screwing the connection head 10 in the coupling sleeve 4 produced screw 1 for the force transmitting first and second rods 2, 3 conical threaded portion 7 in the coupling sleeve 4 the has the same contour as the conical thread in the transition area 12, a very favorable power transmission is achieved.
  • Fig. 5 shows an alternative embodiment of the coupling sleeve 4 on the first rod 2, said coupling sleeve 4 am front end is provided with a smaller flange 13 than in the embodiment described above.
  • Fig. 6 shows a view in the direction of arrow VI in Fig. 5.
  • FIG. 7 shows a variant embodiment of FIG. 4.
  • both the internal thread 6 of the coupling sleeve 4 as also the external thread 11 on the connection head 10 over the entire Length executed as a cone.
  • the features are correct and reference numerals with those of FIG. 4 match.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
EP02018042A 2002-08-13 2002-08-13 Joint à filet de vis pour barres de transmission de force Expired - Lifetime EP1389658B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP02018042A EP1389658B1 (fr) 2002-08-13 2002-08-13 Joint à filet de vis pour barres de transmission de force
AT02018042T ATE347640T1 (de) 2002-08-13 2002-08-13 Schraubverbindung für kraftübertragende stäbe
DE50208898T DE50208898D1 (de) 2002-08-13 2002-08-13 Schraubverbindung für kraftübertragende Stäbe
HK04106166A HK1063493A1 (en) 2002-08-13 2004-08-17 Screw threaded joint for load transmitting bars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02018042A EP1389658B1 (fr) 2002-08-13 2002-08-13 Joint à filet de vis pour barres de transmission de force

Publications (2)

Publication Number Publication Date
EP1389658A1 true EP1389658A1 (fr) 2004-02-18
EP1389658B1 EP1389658B1 (fr) 2006-12-06

Family

ID=30470250

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02018042A Expired - Lifetime EP1389658B1 (fr) 2002-08-13 2002-08-13 Joint à filet de vis pour barres de transmission de force

Country Status (4)

Country Link
EP (1) EP1389658B1 (fr)
AT (1) ATE347640T1 (fr)
DE (1) DE50208898D1 (fr)
HK (1) HK1063493A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103469967A (zh) * 2013-08-20 2013-12-25 张晨 钢筋硂构件装配式建筑构件钢筋连接套筒

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0077952A1 (fr) 1981-10-22 1983-05-04 Wayss & Freytag Aktiengesellschaft Procédé d'assemblage par adhérence d'aciers à béton dans la construction en béton armé
EP0059680B1 (fr) 1981-01-15 1986-04-16 Richmond Screw Anchor Co., Inc. Emboîtage et ancrage de barres d'armature
US5131204A (en) * 1989-01-17 1992-07-21 Heribert Hiendl Reinforcing steel connection
DE4140407A1 (de) * 1991-12-07 1993-06-17 Hiendl Heribert Verfahren zum herstellen einer verbindung zwischen wenigstens zwei laengen eines betonstahls sowie betonstahlverbindung
DE4418744A1 (de) * 1994-05-28 1995-11-30 Wayss & Freytag Ag Schraubverbindung für einen Rundstab
DE19626649A1 (de) 1996-07-03 1998-01-08 Deha Ankersysteme Schraubkupplung für kraftübertragende Stäbe
DE19753755C2 (de) 1997-12-04 2001-07-05 Deha Ankersysteme Schlupfarme Schraubverbindung für Stäbe im Bauwesen mit geometrisch definierter Konterung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0059680B1 (fr) 1981-01-15 1986-04-16 Richmond Screw Anchor Co., Inc. Emboîtage et ancrage de barres d'armature
EP0077952A1 (fr) 1981-10-22 1983-05-04 Wayss & Freytag Aktiengesellschaft Procédé d'assemblage par adhérence d'aciers à béton dans la construction en béton armé
US5131204A (en) * 1989-01-17 1992-07-21 Heribert Hiendl Reinforcing steel connection
DE4140407A1 (de) * 1991-12-07 1993-06-17 Hiendl Heribert Verfahren zum herstellen einer verbindung zwischen wenigstens zwei laengen eines betonstahls sowie betonstahlverbindung
DE4418744A1 (de) * 1994-05-28 1995-11-30 Wayss & Freytag Ag Schraubverbindung für einen Rundstab
DE19626649A1 (de) 1996-07-03 1998-01-08 Deha Ankersysteme Schraubkupplung für kraftübertragende Stäbe
DE19753755C2 (de) 1997-12-04 2001-07-05 Deha Ankersysteme Schlupfarme Schraubverbindung für Stäbe im Bauwesen mit geometrisch definierter Konterung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103469967A (zh) * 2013-08-20 2013-12-25 张晨 钢筋硂构件装配式建筑构件钢筋连接套筒
CN103469967B (zh) * 2013-08-20 2016-03-16 张晨 钢筋砼构件装配式建筑构件钢筋连接套筒

Also Published As

Publication number Publication date
DE50208898D1 (de) 2007-01-18
HK1063493A1 (en) 2004-12-31
EP1389658B1 (fr) 2006-12-06
ATE347640T1 (de) 2006-12-15

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