AT307200B - Process for the production of metallic tubes by punching a metal block and then hot extrusion of the pre-punched metal block - Google Patents

Process for the production of metallic tubes by punching a metal block and then hot extrusion of the pre-punched metal block

Info

Publication number
AT307200B
AT307200B AT996770A AT996770A AT307200B AT 307200 B AT307200 B AT 307200B AT 996770 A AT996770 A AT 996770A AT 996770 A AT996770 A AT 996770A AT 307200 B AT307200 B AT 307200B
Authority
AT
Austria
Prior art keywords
metal block
punching
production
hot extrusion
metallic tubes
Prior art date
Application number
AT996770A
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 AT307200B publication Critical patent/AT307200B/en

Links

Classifications

    • 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
    • B21C23/007—Hydrostatic extrusion
AT996770A 1969-11-05 1970-11-05 Process for the production of metallic tubes by punching a metal block and then hot extrusion of the pre-punched metal block AT307200B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6937995A FR2067486A5 (en) 1969-11-05 1969-11-05

Publications (1)

Publication Number Publication Date
AT307200B true AT307200B (en) 1973-05-10

Family

ID=9042632

Family Applications (1)

Application Number Title Priority Date Filing Date
AT996770A AT307200B (en) 1969-11-05 1970-11-05 Process for the production of metallic tubes by punching a metal block and then hot extrusion of the pre-punched metal block

Country Status (10)

Country Link
US (1) US3724254A (en)
JP (1) JPS5017186B1 (en)
AT (1) AT307200B (en)
CA (1) CA923848A (en)
DE (1) DE2054157A1 (en)
ES (1) ES385088A1 (en)
FR (1) FR2067486A5 (en)
GB (1) GB1275015A (en)
LU (1) LU61979A1 (en)
ZA (1) ZA707046B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3012757A1 (en) * 1980-04-02 1981-10-15 Aluminium-Walzwerke Singen Gmbh, 7700 Singen EXTRUSION PRESS AND METHOD FOR PRODUCING PROFILES FROM METAL BOLTS
NL1008309C2 (en) * 1997-05-29 1998-12-01 Terlet Nv Scraped surface heat exchanger.
ES2610210T3 (en) * 2011-04-15 2017-04-26 Watson Investor Communications, Llc System and method of dispensing a measured amount of a loose material
US9724742B2 (en) * 2013-08-07 2017-08-08 Azz Wsi Llc Method of forming flat bar
CN110951947A (en) * 2019-11-12 2020-04-03 江阴康瑞成型技术科技有限公司 Stainless steel bar easy to punch and cut and production process thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2063562A (en) * 1934-04-12 1936-12-08 Sparks Processes Inc Manufacture of extruded metal shapes by hot hydraulic extrusion
FR1380420A (en) * 1962-05-22 1964-12-04 Cefilac Hot-spinning process for hollow profiles
US3205692A (en) * 1963-11-06 1965-09-14 Reynolds Metals Co Method of producing hollow extruded products
US3263468A (en) * 1965-04-21 1966-08-02 Anaconda American Brass Co Method and apparatus for extrusion of tubes

Also Published As

Publication number Publication date
JPS5017186B1 (en) 1975-06-19
GB1275015A (en) 1972-05-24
ZA707046B (en) 1971-08-25
US3724254A (en) 1973-04-03
ES385088A1 (en) 1973-03-16
FR2067486A5 (en) 1971-08-20
DE2054157A1 (en) 1971-05-13
LU61979A1 (en) 1971-05-10
CA923848A (en) 1973-04-03

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time