DE4030047C1 - - Google Patents

Info

Publication number
DE4030047C1
DE4030047C1 DE19904030047 DE4030047A DE4030047C1 DE 4030047 C1 DE4030047 C1 DE 4030047C1 DE 19904030047 DE19904030047 DE 19904030047 DE 4030047 A DE4030047 A DE 4030047A DE 4030047 C1 DE4030047 C1 DE 4030047C1
Authority
DE
Germany
Prior art keywords
caliber
cross
flank
section
tube
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 - Fee Related
Application number
DE19904030047
Other languages
German (de)
English (en)
Inventor
Horst Ing.(Grad.) 4156 Willich De Stinnertz
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
Mannesmann 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 AG filed Critical Mannesmann AG
Priority to DE19904030047 priority Critical patent/DE4030047C1/de
Priority to EP19910250216 priority patent/EP0476791A3/de
Priority to JP26701591A priority patent/JPH04253510A/ja
Application granted granted Critical
Publication of DE4030047C1 publication Critical patent/DE4030047C1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
    • B21B21/02—Rollers therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Control Of Metal Rolling (AREA)
DE19904030047 1990-09-19 1990-09-19 Expired - Fee Related DE4030047C1 (cg-RX-API-DMAC7.html)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19904030047 DE4030047C1 (cg-RX-API-DMAC7.html) 1990-09-19 1990-09-19
EP19910250216 EP0476791A3 (en) 1990-09-19 1991-07-31 Cold pilger rolling mill for fabrication of tubes by cold rolling
JP26701591A JPH04253510A (ja) 1990-09-19 1991-09-18 冷間圧延により管を製造するためのコールドピルガーミル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904030047 DE4030047C1 (cg-RX-API-DMAC7.html) 1990-09-19 1990-09-19

Publications (1)

Publication Number Publication Date
DE4030047C1 true DE4030047C1 (cg-RX-API-DMAC7.html) 1991-11-28

Family

ID=6414764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904030047 Expired - Fee Related DE4030047C1 (cg-RX-API-DMAC7.html) 1990-09-19 1990-09-19

Country Status (3)

Country Link
EP (1) EP0476791A3 (cg-RX-API-DMAC7.html)
JP (1) JPH04253510A (cg-RX-API-DMAC7.html)
DE (1) DE4030047C1 (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2133161C1 (ru) * 1998-07-06 1999-07-20 Открытое акционерное общество Верхнесалдинское металлургическое производственное объединение Технологический инструмент для холодной прокатки труб
CN119426367A (zh) * 2024-12-13 2025-02-14 攀钢集团攀枝花钢铁研究院有限公司 一种降低tc4钛合金无缝管表面裂纹的冷轧方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100356160B1 (ko) * 1997-12-23 2002-11-18 주식회사 포스코 선재조압연공형롤및이를이용한압연방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD888A (cg-RX-API-DMAC7.html) *
AT127343B (de) * 1930-08-19 1932-03-10 Mannesmann Ag Pilgerwalzenkaliber.
US4233834A (en) * 1979-01-26 1980-11-18 Sandvik Special Metal Corporation Method and apparatus for producing zircaloy tubes and zircaloy tubes thus produced

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS ERMITTELT *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2133161C1 (ru) * 1998-07-06 1999-07-20 Открытое акционерное общество Верхнесалдинское металлургическое производственное объединение Технологический инструмент для холодной прокатки труб
CN119426367A (zh) * 2024-12-13 2025-02-14 攀钢集团攀枝花钢铁研究院有限公司 一种降低tc4钛合金无缝管表面裂纹的冷轧方法

Also Published As

Publication number Publication date
JPH04253510A (ja) 1992-09-09
EP0476791A3 (en) 1992-06-03
EP0476791A2 (de) 1992-03-25

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Legal Events

Date Code Title Description
8100 Publication of the examined application without publication of unexamined application
D1 Grant (no unexamined application published) patent law 81
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee