AT304229B - Process for hot-punching metallic billets provided with a pre-drilled hole - Google Patents

Process for hot-punching metallic billets provided with a pre-drilled hole

Info

Publication number
AT304229B
AT304229B AT1070670A AT1070670A AT304229B AT 304229 B AT304229 B AT 304229B AT 1070670 A AT1070670 A AT 1070670A AT 1070670 A AT1070670 A AT 1070670A AT 304229 B AT304229 B AT 304229B
Authority
AT
Austria
Prior art keywords
hot
drilled hole
metallic billets
punching metallic
punching
Prior art date
Application number
AT1070670A
Other languages
German (de)
Original Assignee
Cefilac
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 Cefilac filed Critical Cefilac
Application granted granted Critical
Publication of AT304229B publication Critical patent/AT304229B/en

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, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/01—Extruding metal; Impact extrusion starting from material of particular form or shape, e.g. mechanically pre-treated

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
AT1070670A 1969-11-27 1970-11-27 Process for hot-punching metallic billets provided with a pre-drilled hole AT304229B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6940970A FR2067226A1 (en) 1969-11-27 1969-11-27

Publications (1)

Publication Number Publication Date
AT304229B true AT304229B (en) 1972-12-27

Family

ID=9043733

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1070670A AT304229B (en) 1969-11-27 1970-11-27 Process for hot-punching metallic billets provided with a pre-drilled hole

Country Status (6)

Country Link
US (1) US3777528A (en)
AT (1) AT304229B (en)
DE (1) DE2057386B2 (en)
ES (1) ES385749A1 (en)
FR (1) FR2067226A1 (en)
GB (1) GB1313370A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50123069A (en) * 1974-03-18 1975-09-27
DE2635342C2 (en) * 1976-08-03 1981-09-24 Mannesmann AG, 4000 Düsseldorf Press for hot punching a metal block
FR2619327A1 (en) * 1987-08-13 1989-02-17 Ardt TOOL STAGE FOR DRILLING A HOLE IN A WORKPIECE BY AXIAL FEEDING OF THE TOOL
DE3804567C1 (en) * 1988-02-13 1989-05-11 W.C. Heraeus Gmbh, 6450 Hanau, De
CN110976544A (en) * 2019-12-18 2020-04-10 攀钢集团江油长城特殊钢有限公司 Hot extrusion blank reaming process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1948400A (en) * 1931-11-02 1934-02-20 Hydraulik Gmbh Metal extrusion press
CH193142A (en) * 1936-10-28 1937-09-30 Lutz Arthur Sinker.
US2183182A (en) * 1936-12-14 1939-12-12 Wolverine Tube Company Centering device for extruding presses
US2344803A (en) * 1940-10-15 1944-03-21 Ajax Mfg Co Method of forging shovel sockets and the like
GB729317A (en) * 1951-04-18 1955-05-04 Fritz Bernard Hatebur An improved method of and means for mass producing articles provided with at least one step on the outside thereof, particularly sparking plug casings
US2956337A (en) * 1955-08-24 1960-10-18 Cefilac Method of boring metals
IE901849A1 (en) * 1989-07-19 1991-06-19 Gruenenthal Gmbh Plasmids, their preparation and their use in the manufacture¹of a plasminogen activator

Also Published As

Publication number Publication date
FR2067226A1 (en) 1971-08-20
DE2057386A1 (en) 1971-06-09
ES385749A1 (en) 1973-04-16
DE2057386B2 (en) 1973-06-14
GB1313370A (en) 1973-04-11
US3777528A (en) 1973-12-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee