ES2136404T3 - DEVICE TO EXTEND A TUBE. - Google Patents

DEVICE TO EXTEND A TUBE.

Info

Publication number
ES2136404T3
ES2136404T3 ES96914055T ES96914055T ES2136404T3 ES 2136404 T3 ES2136404 T3 ES 2136404T3 ES 96914055 T ES96914055 T ES 96914055T ES 96914055 T ES96914055 T ES 96914055T ES 2136404 T3 ES2136404 T3 ES 2136404T3
Authority
ES
Spain
Prior art keywords
tube
expansion sleeve
probe
support ring
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.)
Expired - Lifetime
Application number
ES96914055T
Other languages
Spanish (es)
Inventor
Peter Krausser
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of ES2136404T3 publication Critical patent/ES2136404T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable
    • B21D39/203—Tube expanders with mandrels, e.g. expandable expandable by fluid or elastic material
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/08—Tube expanders
    • B21D39/20—Tube expanders with mandrels, e.g. expandable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Leads Or Probes (AREA)
  • Endoscopes (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

UN DISPOSITIVO PARA ENSANCHAR UN TUBO (70) COMPRENDE UNA SONDA (2) QUE SE INTRODUCE EN EL TUBO (70) Y QUE TIENE UN MANGUITO ELASTICO DE EXPANSION (4) QUE ES IMPULSADO, AL MENOS EN PARTE DE SU SUPERFICIE INTERIOR, CON UN MEDIO DE PRESION. SEGUN LA INVENCION, EL MANGUITO DE EXPANSION (4) LLEVA MONTADO EN SU PERIMETRO EXTERIOR UN ANILLO DE SOPORTE (50) QUE SE APOYA EN UNA ESPALDILLA (51A, B) DE LA SONDA (2) QUE RODEA EL MANGUITO DE EXPANSION (4) Y QUE ESTA FORMADA POR DOS SEGMENTOS MOVILES UNO EN RELACION CON EL OTRO. CON ESTA MEDIDA SE GARANTIZA QUE EL ANILLO DE SOPORTE (50) PUEDA SEGUIR LA VARIACION DE DIAMETRO QUE TIENE LUGAR DURANTE EL ENSANCHAMIENTO DEL MANGUITO DE EXPANSION (4) Y RETORNE A SU POSICION INICIAL, DE MANERA QUE SE IMPIDA EL APLASTAMIENTO DEL MANGUITO DE EXPANSION (4) EN LA RENDIJA (S) EXISTENTE ENTRE EL TUBO (70) Y LA SONDA (2).A DEVICE FOR THREADING A TUBE (70) INCLUDES A PROBE (2) THAT INTRODUCES ITSELF IN THE TUBE (70) AND HAS AN ELASTIC EXPANSION SLEEVE (4) THAT IS DRIVEN, AT LEAST IN PART OF ITS INNER SURFACE, WITH A PRESSURE MEDIUM. ACCORDING TO THE INVENTION, THE EXPANSION SLEEVE (4) HAS MOUNTED ON ITS EXTERIOR PERIMETER A SUPPORT RING (50) THAT IS SUPPORTED ON A PROBE LEG (51A, B) SURROUNDING THE EXPANSION SLEEVE (4) AND THAT IT IS FORMED BY TWO MOBILE SEGMENTS, ONE IN RELATION TO THE OTHER. WITH THIS MEASURE, IT IS GUARANTEED THAT THE SUPPORT RING (50) CAN FOLLOW THE DIAMETER VARIATION THAT OCCURS DURING THE EXTENSION OF THE EXPANSION SLEEVE (4) AND RETURNS TO ITS INITIAL POSITION, SO THAT THE CRUSHING OF THE EXPANDING SLEEVE IS PREVENTED (4) IN THE EXISTING SLIT (S) BETWEEN THE TUBE (70) AND THE PROBE (2).

ES96914055T 1995-05-11 1996-05-09 DEVICE TO EXTEND A TUBE. Expired - Lifetime ES2136404T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19517379 1995-05-11

Publications (1)

Publication Number Publication Date
ES2136404T3 true ES2136404T3 (en) 1999-11-16

Family

ID=7761704

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96914055T Expired - Lifetime ES2136404T3 (en) 1995-05-11 1996-05-09 DEVICE TO EXTEND A TUBE.

Country Status (7)

Country Link
EP (1) EP0824384B1 (en)
JP (1) JPH11504863A (en)
KR (1) KR19990008467A (en)
CA (1) CA2220513A1 (en)
DE (1) DE59602632D1 (en)
ES (1) ES2136404T3 (en)
WO (1) WO1996035527A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724693A (en) * 1985-12-20 1988-02-16 Combustion Engineering, Inc. Tube expansion tool
US4791796A (en) * 1987-10-28 1988-12-20 Cameron Iron Works Usa, Inc. Tool for cold forging tubular members
EP0468076A1 (en) * 1990-07-26 1992-01-29 Siemens Aktiengesellschaft Apparatus for expanding tubes

Also Published As

Publication number Publication date
JPH11504863A (en) 1999-05-11
CA2220513A1 (en) 1996-11-14
EP0824384B1 (en) 1999-08-04
KR19990008467A (en) 1999-01-25
WO1996035527A1 (en) 1996-11-14
DE59602632D1 (en) 1999-09-09
EP0824384A1 (en) 1998-02-25

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