ES2068195T3 - PROCEDURE AND DEVICE FOR FACING SHEET PIPES. - Google Patents

PROCEDURE AND DEVICE FOR FACING SHEET PIPES.

Info

Publication number
ES2068195T3
ES2068195T3 ES88121335T ES88121335T ES2068195T3 ES 2068195 T3 ES2068195 T3 ES 2068195T3 ES 88121335 T ES88121335 T ES 88121335T ES 88121335 T ES88121335 T ES 88121335T ES 2068195 T3 ES2068195 T3 ES 2068195T3
Authority
ES
Spain
Prior art keywords
collar
lateral
tube
mandrel
forming
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
ES88121335T
Other languages
Spanish (es)
Inventor
Waldemar Bauer
Bernd Ing Grad Schappler
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.)
Westerbarkey Weba & Co KG GmbH
Original Assignee
Westerbarkey Weba & Co KG 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 Westerbarkey Weba & Co KG GmbH filed Critical Westerbarkey Weba & Co KG GmbH
Application granted granted Critical
Publication of ES2068195T3 publication Critical patent/ES2068195T3/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
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/28—Making tube fittings for connecting pipes, e.g. U-pieces
    • B21C37/29—Making branched pieces, e.g. T-pieces
    • B21C37/292—Forming collars by drawing or pushing a rigid forming tool through an opening in the tube wall

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

Method and apparatus for forming lateral collars at a preferably oval lateral cutout of a sheet metal tube by means of a holding mandrel for the tube and a collar-forming die which is placed on the cutout and through which a collar-forming cone is pulled. To avoid unwanted deformations and bulging during the formation of the lateral collar, a large area of the surface of the tube (1) around the cutout rests on the holding mandrel (4), half of which is overlapped, as far as the largest diameter transverse to the lateral collar and approximately over its entire length, by a half-shell (8), in which the collar-forming die is formed. The length of the holding mandrel corresponds approximately to three times the diameter of the lateral collar (3) and is designed in such a way that, outside the opening of the lateral collar, the entire inner surface of the tube (1) rests against the holding mandrel (4), and the collar-forming die (8), of approximately the same length as the holding mandrel and functioning as a supporting shell, surrounds the said mandrel and the tube placed on it as far as the mandrel diameter lying transversely to the lateral collar, and the collar-forming cone (11) is provided with a central through hole (13) for receiving the free end of the piston rod (16) of the hydraulic cylinder (15), the said free end being couplable to the collar-forming cone (11) by means of projecting sprung radial pawls (17). <IMAGE>
ES88121335T 1987-12-24 1988-12-21 PROCEDURE AND DEVICE FOR FACING SHEET PIPES. Expired - Lifetime ES2068195T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3744046A DE3744046C2 (en) 1987-12-24 1987-12-24 Method and device for necking thin-walled sheet metal tubes

Publications (1)

Publication Number Publication Date
ES2068195T3 true ES2068195T3 (en) 1995-04-16

Family

ID=6343566

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88121335T Expired - Lifetime ES2068195T3 (en) 1987-12-24 1988-12-21 PROCEDURE AND DEVICE FOR FACING SHEET PIPES.

Country Status (4)

Country Link
EP (1) EP0322722B1 (en)
AT (1) ATE117600T1 (en)
DE (1) DE3744046C2 (en)
ES (1) ES2068195T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6000263A (en) * 1995-06-05 1999-12-14 Enami Seiki Mfg. Co., Ltd. Branch pipe forming tool and method of forming branch pipe on metal tube with the tool
JPH0957556A (en) * 1995-06-05 1997-03-04 Enami Seiki:Kk Branch pipe forming tool, and forming method for branch pipe of metallic pipe using the tool
DE19607311A1 (en) * 1996-02-27 1997-08-28 Kwg Maschinenbau Gmbh Device for producing neckings in workpieces
DE29616668U1 (en) * 1996-09-27 1997-04-24 Ade, Rainer, 71711 Steinheim Tube converter
US6430812B1 (en) * 1997-08-28 2002-08-13 The Boeing Company Superplastic forming of tubing pull-outs
DE102005026761A1 (en) † 2005-06-09 2006-12-21 Martin Brielmaier vehicle
RU2448052C1 (en) * 2010-11-08 2012-04-20 Александр Вадимович Утин Method of thickening saponite suspension

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240319A (en) * 1939-07-24 1941-04-29 Taylor James Hall Method of producing pipe fittings
US2368394A (en) * 1943-05-03 1945-01-30 Young Radiator Co Apparatus for flanging openings in tube type headers
GB749794A (en) * 1953-11-19 1956-05-30 Arthur Collier Junior Improved tool for making tee or branch joints in tubing
GB807608A (en) * 1956-10-18 1959-01-21 Andre Huet Methods of and apparatus for producing tubulures along a generatrix of a header
US3064707A (en) * 1959-09-30 1962-11-20 Carrier Corp Joining of tubular members
US3680349A (en) * 1970-06-18 1972-08-01 United Mcgill Corp Apparatus for making a conduit fitting
EP0111492A1 (en) * 1982-06-09 1984-06-27 Beckman Instruments, Inc. Centrifuge/rotor attachment assembly

Also Published As

Publication number Publication date
DE3744046A1 (en) 1989-07-06
ATE117600T1 (en) 1995-02-15
DE3744046C2 (en) 1994-11-24
EP0322722A3 (en) 1990-09-19
EP0322722B1 (en) 1995-01-25
EP0322722A2 (en) 1989-07-05

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