ES468730A1 - Dispositivo para la fabricacion de semivalvas de igual formasusceptibles de ser soldadas conjuntamente para formar codostubulares, por conformacion de llantas planas para chapa. - Google Patents

Dispositivo para la fabricacion de semivalvas de igual formasusceptibles de ser soldadas conjuntamente para formar codostubulares, por conformacion de llantas planas para chapa.

Info

Publication number
ES468730A1
ES468730A1 ES468730A ES468730A ES468730A1 ES 468730 A1 ES468730 A1 ES 468730A1 ES 468730 A ES468730 A ES 468730A ES 468730 A ES468730 A ES 468730A ES 468730 A1 ES468730 A1 ES 468730A1
Authority
ES
Spain
Prior art keywords
arcuate
sections
die
holder
row
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
Application number
ES468730A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES468730A1 publication Critical patent/ES468730A1/es
Expired 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
    • B21C37/286—Making tube fittings for connecting pipes, e.g. U-pieces starting from sheet 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/02—Die constructions enabling assembly of the die parts in different ways
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Punching Or Piercing (AREA)

Abstract

Dispositivo para la fabricación de semivalvas de igual forma susceptible de ser soldadas conjuntamente para formar codos tubulares, por conformación de llantas planas para chapa, que consta de una matriz con forma de canal y un troquel estirador susceptible de ser introducido y retirado de la matriz, con útil troquelador, teniendo el útil troquelador un respaldo de troquel correspondiente a la forma interior de las semivalvas así como superficies de pared de troquel planas que están dispuestas gradualmente a continuación de aquel y teniendo la matriz un fondo de matriz correspondiente a la forma exterior de la semivalvas así como superficies de pared de matriz que están dispuestas gradualmente a continuación de aquella, que con una curvatura gradual de 90º se prolonga en superficies planas exteriores de apoyo de llantas para chapa.
ES468730A 1977-12-23 1978-04-12 Dispositivo para la fabricacion de semivalvas de igual formasusceptibles de ser soldadas conjuntamente para formar codostubulares, por conformacion de llantas planas para chapa. Expired ES468730A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2757658A DE2757658C2 (de) 1977-12-23 1977-12-23 Vorrichtung zum Herstellen von zu Rohrkrümmern zusammenschweißbaren gleichgeformten Halbschalen durch Verformung ebener Blechplatinen

Publications (1)

Publication Number Publication Date
ES468730A1 true ES468730A1 (es) 1978-12-16

Family

ID=6027100

Family Applications (1)

Application Number Title Priority Date Filing Date
ES468730A Expired ES468730A1 (es) 1977-12-23 1978-04-12 Dispositivo para la fabricacion de semivalvas de igual formasusceptibles de ser soldadas conjuntamente para formar codostubulares, por conformacion de llantas planas para chapa.

Country Status (7)

Country Link
US (1) US4192170A (es)
BE (1) BE865689A (es)
DE (1) DE2757658C2 (es)
ES (1) ES468730A1 (es)
FR (1) FR2412362A1 (es)
GB (1) GB1569543A (es)
IT (1) IT1096120B (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI74414C (fi) * 1980-08-18 1988-02-08 Sl Tuotanto Oy Anordning foer framstaellning av ett metallroer.
US5289513A (en) * 1992-10-29 1994-02-22 Westinghouse Electric Corp. Method of making a fuel assembly lattice member and the lattice member made by such method
US5619881A (en) * 1993-07-16 1997-04-15 Ohyodo Diesel Co., Ltd. Double-scissors cutter
JP4567492B2 (ja) * 2004-05-18 2010-10-20 パナソニック株式会社 誘導加熱用励磁コイルの製造方法
RU2014149563A (ru) * 2012-06-15 2016-08-10 Магна Интернэшнл Инк. Регулируемый штамп для формования скручивающихся балок из труб
CN103464604A (zh) * 2013-09-25 2013-12-25 常熟市金马模具有限公司 一种拼合型模具
CN104128489A (zh) * 2013-12-19 2014-11-05 中国重汽集团柳州运力专用汽车有限公司 一种圆弧水箱箱体的成型方法
CN104128490A (zh) * 2013-12-19 2014-11-05 中国重汽集团柳州运力专用汽车有限公司 油罐车圆弧水箱成型模具
CN105750420A (zh) * 2016-05-01 2016-07-13 无锡市杰夫精工机械有限公司 一种新型组合冲压模具
CN105880384B (zh) * 2016-05-03 2017-11-14 武汉船用机械有限责任公司 一种喷水推进装置进流管道天圆地方冲压工装
US11278945B2 (en) * 2017-01-31 2022-03-22 Nikkeikin Aluminum Core Technology Company, Ltd. Die set and working method using the die set
CN107413948B (zh) * 2017-03-16 2019-06-11 成都飞机工业（集团）有限责任公司 一种复合结构的拉形模及其制造方法
JP7276758B2 (ja) * 2020-03-16 2023-05-18 日軽金アクト株式会社 金型および金型を用いた加工方法
CN112792180B (zh) * 2021-01-07 2023-06-16 江苏彬福环保科技有限公司 一种首饰生产用手镯卷圆设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US316820A (en) * 1885-04-28 s pessenger
US305707A (en) * 1884-09-23 Machine for forming springs
US35496A (en) * 1862-06-03 Improvement in apparatus for bending corrugated plates of metal
GB135677A (es) * 1900-01-01
US170051A (en) * 1875-11-16 Improvement in machines for making sheet-metal traps or bends
FR680462A (fr) * 1928-10-24 1930-05-01 Appareil pour la fabrication de barres de treillis en tôle emboutie
US2280359A (en) * 1939-06-10 1942-04-21 Curtiss Wright Corp Sheet metal forming apparatus
US2267774A (en) * 1940-11-06 1941-12-30 John A Wall Pipe shaping tool
US2466272A (en) * 1945-04-23 1949-04-05 Solar Aircraft Co Method of making dies
DE1212931B (de) * 1961-05-10 1966-03-24 Maschf Augsburg Nuernberg Ag Stempel und/oder Matrize eines Werkzeuges zum Pressen von Rohrhaelften

Also Published As

Publication number Publication date
FR2412362B1 (es) 1982-03-19
IT1096120B (it) 1985-08-17
GB1569543A (en) 1980-06-18
IT7822269A0 (it) 1978-04-13
DE2757658C2 (de) 1983-12-29
DE2757658A1 (de) 1979-06-28
US4192170A (en) 1980-03-11
FR2412362A1 (fr) 1979-07-20
BE865689A (fr) 1978-07-31

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