FR2492694B1 - - Google Patents

Info

Publication number
FR2492694B1
FR2492694B1 FR8023045A FR8023045A FR2492694B1 FR 2492694 B1 FR2492694 B1 FR 2492694B1 FR 8023045 A FR8023045 A FR 8023045A FR 8023045 A FR8023045 A FR 8023045A FR 2492694 B1 FR2492694 B1 FR 2492694B1
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
FR8023045A
Other languages
French (fr)
Other versions
FR2492694A1 (fr
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.)
V ZAOCHNY MASHINOSTROIT
Original Assignee
V ZAOCHNY MASHINOSTROIT
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 V ZAOCHNY MASHINOSTROIT filed Critical V ZAOCHNY MASHINOSTROIT
Priority to FR8023045A priority Critical patent/FR2492694A1/fr
Publication of FR2492694A1 publication Critical patent/FR2492694A1/fr
Application granted granted Critical
Publication of FR2492694B1 publication Critical patent/FR2492694B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group
    • B21K21/06—Shaping thick-walled hollow articles, e.g. projectiles
    • 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
    • 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)
  • Forging (AREA)
FR8023045A 1980-10-28 1980-10-28 Procede de fabrication de mandrins pour laminoirs perceurs et mandrins obtenus par ledit procede Granted FR2492694A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8023045A FR2492694A1 (fr) 1980-10-28 1980-10-28 Procede de fabrication de mandrins pour laminoirs perceurs et mandrins obtenus par ledit procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8023045A FR2492694A1 (fr) 1980-10-28 1980-10-28 Procede de fabrication de mandrins pour laminoirs perceurs et mandrins obtenus par ledit procede

Publications (2)

Publication Number Publication Date
FR2492694A1 FR2492694A1 (fr) 1982-04-30
FR2492694B1 true FR2492694B1 (enExample) 1983-12-30

Family

ID=9247419

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023045A Granted FR2492694A1 (fr) 1980-10-28 1980-10-28 Procede de fabrication de mandrins pour laminoirs perceurs et mandrins obtenus par ledit procede

Country Status (1)

Country Link
FR (1) FR2492694A1 (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815427A (en) * 1929-12-04 1931-07-21 Nat Tube Co Plug bar for tube making machines
US2197098A (en) * 1936-12-07 1940-04-16 Nat Tube Co Mandrel
US2212690A (en) * 1938-01-25 1940-08-27 Nat Tube Co Piercer point

Also Published As

Publication number Publication date
FR2492694A1 (fr) 1982-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse