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FR2242168A1 - Pipe elbow bending appts. - two ram pairs, giving oval cross section - Google Patents

Pipe elbow bending appts. - two ram pairs, giving oval cross section

Info

Publication number
FR2242168A1
FR2242168A1 FR7331666A FR7331666A FR2242168A1 FR 2242168 A1 FR2242168 A1 FR 2242168A1 FR 7331666 A FR7331666 A FR 7331666A FR 7331666 A FR7331666 A FR 7331666A FR 2242168 A1 FR2242168 A1 FR 2242168A1
Authority
FR
France
Prior art keywords
section
blank
bending
appts
giving
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
FR7331666A
Other languages
English (en)
Other versions
FR2242168B1 (fr
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.)
TSI T
Original Assignee
TSI T
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 TSI T filed Critical TSI T
Priority to FR7331666A priority Critical patent/FR2242168A1/fr
Priority to DE19732344831 priority patent/DE2344831C3/de
Publication of FR2242168A1 publication Critical patent/FR2242168A1/fr
Application granted granted Critical
Publication of FR2242168B1 publication Critical patent/FR2242168B1/fr
Granted 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
FR7331666A 1973-08-31 1973-08-31 Pipe elbow bending appts. - two ram pairs, giving oval cross section Granted FR2242168A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7331666A FR2242168A1 (en) 1973-08-31 1973-08-31 Pipe elbow bending appts. - two ram pairs, giving oval cross section
DE19732344831 DE2344831C3 (de) 1973-08-31 1973-09-05 Verfahren zur Herstellung gekrümmter Fittings und Verwendung einer Einrichtung zur Durchführung des Verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7331666A FR2242168A1 (en) 1973-08-31 1973-08-31 Pipe elbow bending appts. - two ram pairs, giving oval cross section

Publications (2)

Publication Number Publication Date
FR2242168A1 true FR2242168A1 (en) 1975-03-28
FR2242168B1 FR2242168B1 (fr) 1976-10-01

Family

ID=9124532

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7331666A Granted FR2242168A1 (en) 1973-08-31 1973-08-31 Pipe elbow bending appts. - two ram pairs, giving oval cross section

Country Status (2)

Country Link
DE (1) DE2344831C3 (fr)
FR (1) FR2242168A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2646397C2 (de) * 1976-10-14 1985-08-14 Central'nyj naučno-issledovatel'skij institut technologii mašinostroenija, Moskau/Moskva Gesenkschmiedepresse zum Herstellen von Teilen für Rohrleitungen
CN102794329B (zh) * 2012-08-31 2015-07-15 渤海重工管道有限公司 一种核电主蒸汽超级管道管嘴的拔挤制作工艺
CN103394547B (zh) * 2013-07-30 2015-08-19 西安优耐特容器制造有限公司 一种弯头成型方法
CN108889792B (zh) * 2018-05-25 2020-03-17 无锡市新峰管业有限公司 一种大口径超壁厚无缝弯头管件成形工艺

Also Published As

Publication number Publication date
DE2344831A1 (de) 1975-03-20
DE2344831C3 (de) 1980-01-31
FR2242168B1 (fr) 1976-10-01
DE2344831B2 (de) 1979-05-31

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Legal Events

Date Code Title Description
ST Notification of lapse