ES385088A1 - Extrusion of seamless tubing - Google Patents

Extrusion of seamless tubing

Info

Publication number
ES385088A1
ES385088A1 ES385088A ES385088A ES385088A1 ES 385088 A1 ES385088 A1 ES 385088A1 ES 385088 A ES385088 A ES 385088A ES 385088 A ES385088 A ES 385088A ES 385088 A1 ES385088 A1 ES 385088A1
Authority
ES
Spain
Prior art keywords
extrusion
press
seamless tubing
largly
pierced
Prior art date
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
ES385088A
Other languages
Spanish (es)
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.)
Cefilac SA
Original Assignee
Cefilac SA
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 SA filed Critical Cefilac SA
Publication of ES385088A1 publication Critical patent/ES385088A1/en
Expired legal-status Critical Current

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

Abstract

Improvement in the process of hot extruding metal tubes in a hydraulic press, in which the metal billet inserted into the press has been pierced to a bore diameter largly exceeding that of the extrusion mandrel and the force of the press is applied in a progressive manner.
ES385088A 1969-11-05 1970-10-30 Extrusion of seamless tubing Expired ES385088A1 (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
ES385088A1 true ES385088A1 (en) 1973-03-16

Family

ID=9042632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES385088A Expired ES385088A1 (en) 1969-11-05 1970-10-30 Extrusion of seamless tubing

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.
BR112013026455B1 (en) * 2011-04-15 2020-12-15 Watson Investor Communications, Llc OPERABLE BATTERY MATERIAL DISPENSER TO DISPENSE A SELECTED AMOUNT OF LOOSE MATERIAL; METHOD OF DISPENSING A QUANTITY SELECTED BY USER OF LOOSE TEA WITH THE USE OF A DISPENSER: DISPENSER OF MATERIAL A BATTERY OPERABLE TO DISPENSE A SELECTED AMOUNT OF LOOSE MATERIAL; OPERABLE BATTERY MATERIAL DISPENSER TO DISPENS A PREDETERMINATED AMOUNT OF LOOSE MATERIAL THROUGH USER ACTIVATION
WO2015021219A1 (en) * 2013-08-07 2015-02-12 Azz Wsi Llc Flat bar and method of making same
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
GB1275015A (en) 1972-05-24
JPS5017186B1 (en) 1975-06-19
CA923848A (en) 1973-04-03
AT307200B (en) 1973-05-10
LU61979A1 (en) 1971-05-10
US3724254A (en) 1973-04-03
ZA707046B (en) 1971-08-25
DE2054157A1 (en) 1971-05-13
FR2067486A5 (en) 1971-08-20

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