FR2243032A1 - - Google Patents

Info

Publication number
FR2243032A1
FR2243032A1 FR7430864A FR7430864A FR2243032A1 FR 2243032 A1 FR2243032 A1 FR 2243032A1 FR 7430864 A FR7430864 A FR 7430864A FR 7430864 A FR7430864 A FR 7430864A FR 2243032 A1 FR2243032 A1 FR 2243032A1
Authority
FR
France
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
FR7430864A
Other languages
French (fr)
Other versions
FR2243032B1 (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 FR2243032A1 publication Critical patent/FR2243032A1/fr
Application granted granted Critical
Publication of FR2243032B1 publication Critical patent/FR2243032B1/fr
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
FR7430864A 1973-09-12 1974-09-12 Expired FR2243032B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7333494 1973-09-12

Publications (2)

Publication Number Publication Date
FR2243032A1 true FR2243032A1 (en) 1975-04-04
FR2243032B1 FR2243032B1 (en) 1980-08-01

Family

ID=6640588

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7430864A Expired FR2243032B1 (en) 1973-09-12 1974-09-12

Country Status (7)

Country Link
US (1) US3927547A (en)
JP (1) JPS5721401B2 (en)
CS (1) CS182265B2 (en)
FR (1) FR2243032B1 (en)
GB (1) GB1483085A (en)
IT (1) IT1020387B (en)
SE (1) SE390120B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369025A1 (en) * 1976-05-04 1978-05-26 Aetna Standard Eng Co DEVICE FOR GUIDING THE PIECES IN A DRILLING OR STRAIGHTENING ROLLER

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266557B1 (en) * 1974-04-05 1977-10-14 Valti Fabr Tubes Roulements
US4038854A (en) * 1976-05-04 1977-08-02 Aetna-Standard Engineering Company Plug changer for plug mill
US4201070A (en) * 1976-10-07 1980-05-06 United States Steel Corporation Graphite lubricant application method
US4132096A (en) * 1976-10-07 1979-01-02 United States Steel Corporation Graphite lubricant application apparatus and method
JPS6415602U (en) * 1987-07-14 1989-01-26
US6158262A (en) * 1997-10-13 2000-12-12 Sumitomo Metal Industries, Ltd. Piercing mill and cannon exchange method
CN102327897A (en) * 2011-07-26 2012-01-25 太原通泽重工有限公司 Tappet centering device for perforating machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583834A (en) * 1948-09-03 1952-01-29 United States Steel Corp Automatic twin bar-bridge bench piercer mill
US2771800A (en) * 1952-03-06 1956-11-27 United States Steel Corp Plug rolling mill
DE2048990A1 (en) * 1970-09-28 1972-03-30 Mannesmann-Meer AG, 4050 Mönchengladbach Automatic mandrel changing device for piercing mills

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2369025A1 (en) * 1976-05-04 1978-05-26 Aetna Standard Eng Co DEVICE FOR GUIDING THE PIECES IN A DRILLING OR STRAIGHTENING ROLLER

Also Published As

Publication number Publication date
CS182265B2 (en) 1978-04-28
SE7411427L (en) 1975-03-13
GB1483085A (en) 1977-08-17
JPS5721401B2 (en) 1982-05-07
IT1020387B (en) 1977-12-20
FR2243032B1 (en) 1980-08-01
US3927547A (en) 1975-12-23
JPS5055567A (en) 1975-05-15
SE390120B (en) 1976-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse