GB1418688A - Mandrel - Google Patents

Mandrel

Info

Publication number
GB1418688A
GB1418688A GB3029875A GB3029875A GB1418688A GB 1418688 A GB1418688 A GB 1418688A GB 3029875 A GB3029875 A GB 3029875A GB 3029875 A GB3029875 A GB 3029875A GB 1418688 A GB1418688 A GB 1418688A
Authority
GB
United Kingdom
Prior art keywords
mandrel
dec
end portions
mannesmannrohren
fiwsto
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
GB3029875A
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.)
Vodafone GmbH
Original Assignee
Mannesmannroehren Werke 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 Mannesmannroehren Werke AG filed Critical Mannesmannroehren Werke AG
Publication of GB1418688A publication Critical patent/GB1418688A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/06—Interchanging mandrels, fixing plugs on mandrel rods or cooling during interchanging mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Crushing And Grinding (AREA)
GB3029875A 1971-12-17 1972-12-18 Mandrel Expired GB1418688A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2163818A DE2163818A1 (de) 1971-12-17 1971-12-17 Stopfen fuer rohrwalzwerk
DE7148215 1971-12-17

Publications (1)

Publication Number Publication Date
GB1418688A true GB1418688A (en) 1975-12-24

Family

ID=25762205

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3029875A Expired GB1418688A (en) 1971-12-17 1972-12-18 Mandrel
GB5842472A Expired GB1418687A (en) 1971-12-17 1972-12-18 Mandrel

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB5842472A Expired GB1418687A (en) 1971-12-17 1972-12-18 Mandrel

Country Status (6)

Country Link
US (1) US3762201A (enrdf_load_stackoverflow)
JP (1) JPS4867164A (enrdf_load_stackoverflow)
DE (1) DE2163818A1 (enrdf_load_stackoverflow)
FR (1) FR2163771B1 (enrdf_load_stackoverflow)
GB (2) GB1418688A (enrdf_load_stackoverflow)
IT (1) IT971762B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA960885A (en) * 1972-08-02 1975-01-14 Frederick W. Kruppert Device for inserting plugs in a plug mill
FR2322674A1 (fr) * 1974-01-10 1977-04-01 Vallourec Dispositif de changement mecanique de mandrins pour laminoirs
FR2266557B1 (enrdf_load_stackoverflow) * 1974-04-05 1977-10-14 Valti Fabr Tubes Roulements
FR2282301A1 (fr) * 1974-08-22 1976-03-19 Mannesmann Roehren Werke Ag Bouchons de securite en plusieurs parties pour laminoir
US4015460A (en) * 1976-01-09 1977-04-05 Damascus Steel Casting Company Rolling mill plug assembly
FR2338093A1 (fr) * 1976-01-19 1977-08-12 Vallourec Nouveau laminoir de fabrication de tubes sans soudure et installation de fabrication de tubes sans soudure comportant un tel laminoir
US4028923A (en) * 1976-05-04 1977-06-14 Aetna-Standard Engineering Company Plug and shoe changing in piercing and reeling mills
DE2652759C3 (de) * 1976-11-16 1980-05-22 Mannesmann Ag, 4000 Duesseldorf Lösbare Verbindung zwischen einem Dorn und der Dornstange eines Schrägwalzwerkes
US4115958A (en) * 1977-02-18 1978-09-26 The Warner & Swasey Company Method of cylindrical and shoulder grinding
DE4431389C1 (de) * 1994-08-25 1995-08-10 Mannesmann Ag Verfahren und Vorrichtung zum Setzen von Stopfen an Stopfenwalzwerken

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US529910A (en) * 1894-11-27 Apparatus for the manufacture of tubing
US769709A (en) * 1901-04-03 1904-09-13 Nat Tube Co Tube-rolling mill.
US1537206A (en) * 1923-03-17 1925-05-12 Malcolm U Wikstrom Tube-rolling method and apparatus
US1931571A (en) * 1931-08-04 1933-10-24 Frank J Burns Plug bar for seamless tube mills
US1997997A (en) * 1933-03-03 1935-04-16 Diescher Tube Mills Inc Mandrel for tube rolling mills
US2635492A (en) * 1946-03-20 1953-04-21 Martin S Gettig Plug-handling mechanism for seamless tube mills
US3277687A (en) * 1963-09-09 1966-10-11 Gen Mills Inc Plug handling apparatus for seamless tube mill
BE715196A (enrdf_load_stackoverflow) * 1967-05-18 1968-09-30

Also Published As

Publication number Publication date
IT971762B (it) 1974-05-10
JPS4867164A (enrdf_load_stackoverflow) 1973-09-13
GB1418687A (en) 1975-12-24
FR2163771A1 (enrdf_load_stackoverflow) 1973-07-27
US3762201A (en) 1973-10-02
DE2163818A1 (de) 1973-06-20
FR2163771B1 (enrdf_load_stackoverflow) 1975-06-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee