GB1407230A - Mandrel assembly for skew-roll piercing mills - Google Patents

Mandrel assembly for skew-roll piercing mills

Info

Publication number
GB1407230A
GB1407230A GB4698272A GB4698272A GB1407230A GB 1407230 A GB1407230 A GB 1407230A GB 4698272 A GB4698272 A GB 4698272A GB 4698272 A GB4698272 A GB 4698272A GB 1407230 A GB1407230 A GB 1407230A
Authority
GB
United Kingdom
Prior art keywords
head
skew
bar
roll piercing
mandrel
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
GB4698272A
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.)
Mannesmann Meer AG
Original Assignee
Mannesmann Meer 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 Mannesmann Meer AG filed Critical Mannesmann Meer AG
Publication of GB1407230A publication Critical patent/GB1407230A/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)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Extrusion Of Metal (AREA)
GB4698272A 1971-10-26 1972-10-11 Mandrel assembly for skew-roll piercing mills Expired GB1407230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19717141104 DE7141104U (de) 1971-10-26 1971-10-26 Walzdorn fur Lochschragwalzwerke

Publications (1)

Publication Number Publication Date
GB1407230A true GB1407230A (en) 1975-09-24

Family

ID=6624813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4698272A Expired GB1407230A (en) 1971-10-26 1972-10-11 Mandrel assembly for skew-roll piercing mills

Country Status (5)

Country Link
JP (1) JPS543818B2 (enExample)
DE (2) DE7141104U (enExample)
FR (1) FR2158257B1 (enExample)
GB (1) GB1407230A (enExample)
IT (1) IT964081B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760913A (zh) * 2020-07-13 2020-10-13 中冶赛迪工程技术股份有限公司 受压型芯棒

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2652759C3 (de) * 1976-11-16 1980-05-22 Mannesmann Ag, 4000 Duesseldorf Lösbare Verbindung zwischen einem Dorn und der Dornstange eines Schrägwalzwerkes
IT1217980B (it) * 1988-06-30 1990-03-30 Innocenti Santeustacchio Spa Laminatoio a passo di pellegrino

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111760913A (zh) * 2020-07-13 2020-10-13 中冶赛迪工程技术股份有限公司 受压型芯棒

Also Published As

Publication number Publication date
DE2154623A1 (de) 1973-05-17
DE7141104U (de) 1972-08-24
JPS4851392A (enExample) 1973-07-19
FR2158257A1 (enExample) 1973-06-15
JPS543818B2 (enExample) 1979-02-27
IT964081B (it) 1974-01-21
FR2158257B1 (enExample) 1974-08-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee