FR2464764B1 - - Google Patents

Info

Publication number
FR2464764B1
FR2464764B1 FR8019799A FR8019799A FR2464764B1 FR 2464764 B1 FR2464764 B1 FR 2464764B1 FR 8019799 A FR8019799 A FR 8019799A FR 8019799 A FR8019799 A FR 8019799A FR 2464764 B1 FR2464764 B1 FR 2464764B1
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.)
Expired
Application number
FR8019799A
Other languages
French (fr)
Other versions
FR2464764A1 (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
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
Publication of FR2464764A1 publication Critical patent/FR2464764A1/en
Application granted granted Critical
Publication of FR2464764B1 publication Critical patent/FR2464764B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food-Manufacturing Devices (AREA)
  • Punching Or Piercing (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
FR8019799A 1979-09-12 1980-09-12 Punching of blanks for mfr. of seamless tubes - indicating error of alignment by mercury bubble level Granted FR2464764A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2937296A DE2937296C2 (en) 1979-09-12 1979-09-12 Use of a dragonfly body

Publications (2)

Publication Number Publication Date
FR2464764A1 FR2464764A1 (en) 1981-03-20
FR2464764B1 true FR2464764B1 (en) 1985-03-01

Family

ID=6080928

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8019799A Granted FR2464764A1 (en) 1979-09-12 1980-09-12 Punching of blanks for mfr. of seamless tubes - indicating error of alignment by mercury bubble level

Country Status (4)

Country Link
DE (1) DE2937296C2 (en)
FR (1) FR2464764A1 (en)
HU (1) HU178890B (en)
IT (1) IT1132678B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927300A (en) * 1987-04-06 1990-05-22 Regents Of The University Of Minnesota Intelligent insert with integral sensor
US4927299A (en) * 1987-05-21 1990-05-22 Regents Of The University Of Minnesota Integral acoustic emission sensor for manufacturing processes and mechanical components
EP0419460A1 (en) * 1988-06-17 1991-04-03 The Regents Of The University Of Minnesota Integral acoustic emission sensor for manufacturing processes and mechanical components

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2338811A (en) * 1941-04-11 1944-01-11 Olive S Petty Level indicator
FR1477015A (en) * 1966-04-21 1967-04-14 Fuchs Otto Embossing press device
US3555865A (en) * 1967-04-17 1971-01-19 Edmund J Sebastian Forging apparatus and method
US3786472A (en) * 1971-10-07 1974-01-15 F Scopacasa Electric level
DE2525698A1 (en) * 1974-06-10 1976-01-02 Transtronic Ag Appts determining adjusting and storing direction - designed esp for alignment of machine part e.g. drill or bucket boom
DE2550710A1 (en) * 1975-11-12 1977-05-18 Dieter Pilkahn Electric levelling instrument - contains two liquid switches which break contact when two reference edges are not exactly horizontal and vertical resp.
US4103530A (en) * 1977-04-18 1978-08-01 Aetna-Standard Engineering Company Self-centering punch for billet centering machine or the like

Also Published As

Publication number Publication date
DE2937296C2 (en) 1984-01-19
IT8024499A0 (en) 1980-09-05
HU178890B (en) 1982-07-28
FR2464764A1 (en) 1981-03-20
DE2937296A1 (en) 1981-03-19
IT1132678B (en) 1986-07-02

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Legal Events

Date Code Title Description
ST Notification of lapse