DK104342C - Fremgangsmåde ved fremstilling af rørformede emner af legeret stål med stor hårdhed ved koldpresning. - Google Patents

Fremgangsmåde ved fremstilling af rørformede emner af legeret stål med stor hårdhed ved koldpresning.

Info

Publication number
DK104342C
DK104342C DK490962AA DK490962A DK104342C DK 104342 C DK104342 C DK 104342C DK 490962A A DK490962A A DK 490962AA DK 490962 A DK490962 A DK 490962A DK 104342 C DK104342 C DK 104342C
Authority
DK
Denmark
Prior art keywords
production
high hardness
alloy steel
cold pressing
tubular blanks
Prior art date
Application number
DK490962AA
Other languages
Danish (da)
English (en)
Original Assignee
Ind De Prec Marti I P M
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 Ind De Prec Marti I P M filed Critical Ind De Prec Marti I P M
Application granted granted Critical
Publication of DK104342C publication Critical patent/DK104342C/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/03—Making uncoated products by both direct and backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/20—Making uncoated products by backward extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
DK490962AA 1961-12-29 1962-11-14 Fremgangsmåde ved fremstilling af rørformede emner af legeret stål med stor hårdhed ved koldpresning. DK104342C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR883537A FR1322166A (fr) 1961-12-29 1961-12-29 Nouveau procédé de perçage de lopins en aciers alliés ou non par extrusion à froid

Publications (1)

Publication Number Publication Date
DK104342C true DK104342C (da) 1966-05-09

Family

ID=8769723

Family Applications (1)

Application Number Title Priority Date Filing Date
DK490962AA DK104342C (da) 1961-12-29 1962-11-14 Fremgangsmåde ved fremstilling af rørformede emner af legeret stål med stor hårdhed ved koldpresning.

Country Status (5)

Country Link
US (1) US3199324A (fr)
CH (1) CH398477A (fr)
DK (1) DK104342C (fr)
FR (1) FR1322166A (fr)
GB (1) GB961796A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948073A (en) * 1974-09-27 1976-04-06 Robert Lovell Apparatus and method of metal forming
DE3328269A1 (de) * 1983-08-02 1985-02-21 Mannesmann AG, 4000 Düsseldorf Verfahren zum herstellen eines hohlkoerpers
AT413195B (de) * 2000-10-24 2005-12-15 Boehler Edelstahl Verfahren zur herstellung zylindrischer hohlkörper und verwendung derselben
DE102012107041B4 (de) 2012-08-01 2014-05-15 Benteler Deutschland Gmbh Verfahren und Vorrichtung zur Herstellung eines metallischen Hohlblockes aus einem metallischen Block

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US590130A (en) * 1897-09-14 Rudolf bungeroth
US1691725A (en) * 1926-09-30 1928-11-13 Leighton John Wycliffe Method of producing metal tubes
US2452636A (en) * 1944-09-02 1948-11-02 Thompson Prod Inc Method of making hollow valves
US2404793A (en) * 1944-12-27 1946-07-30 Hubert E Dickerman Tool
US2668345A (en) * 1945-07-13 1954-02-09 Remington Arms Co Inc Shell making process
US2756494A (en) * 1951-10-15 1956-07-31 Comptoir Ind Etirage Hot punching of metals
US2879887A (en) * 1953-05-11 1959-03-31 Ici Ltd Method of extruding successive but distinct articles
US3034201A (en) * 1958-04-21 1962-05-15 Thompson Ramo Wooldridge Inc Method of making piston pins and like articles

Also Published As

Publication number Publication date
GB961796A (en) 1964-06-24
US3199324A (en) 1965-08-10
CH398477A (fr) 1966-03-15
FR1322166A (fr) 1963-03-29

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