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
Authority: AT; Austria
Prior art keywords: metal block; punching; production; hot extrusion; metallic tubes
Prior art date: 1969-11-05

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.)

1969-11-05

Filing date

1970-11-05

Publication date

1973-05-10

1970-11-05 Application filed by Cefilac filed Critical Cefilac

1973-05-10 Application granted granted Critical

1973-05-10 Publication of AT307200B publication Critical patent/AT307200B/en

Classifications

- 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
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, rods or 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, 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
- B21C23/007—Hydrostatic extrusion

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Extrusion Of Metal (AREA)
Forging (AREA)

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.
WO2012142390A2 (en) *	2011-04-15	2012-10-18	Watson Investor Communications, Llc	System and method for 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 for easy drilling and easy cutting and its production process

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

1969
- 1969-11-05 FR FR6937995A patent/FR2067486A5/fr not_active Expired
1970
- 1970-10-16 ZA ZA707046A patent/ZA707046B/en unknown
- 1970-10-16 US US00081570A patent/US3724254A/en not_active Expired - Lifetime
- 1970-10-30 ES ES385088A patent/ES385088A1/en not_active Expired
- 1970-11-03 LU LU61979D patent/LU61979A1/xx unknown
- 1970-11-04 CA CA097420A patent/CA923848A/en not_active Expired
- 1970-11-04 DE DE19702054157 patent/DE2054157A1/en active Pending
- 1970-11-05 AT AT996770A patent/AT307200B/en not_active IP Right Cessation
- 1970-11-05 JP JP45096953A patent/JPS5017186B1/ja active Pending
- 1970-11-05 GB GB52758/70A patent/GB1275015A/en not_active Expired

Also Published As

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

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Legal Events

Date	Code	Title	Description
1990-12-15	ELA	Expired due to lapse of time