FR2069879A1 - - Google Patents

Info

Publication number
FR2069879A1
FR2069879A1 FR6940768A FR6940768A FR2069879A1 FR 2069879 A1 FR2069879 A1 FR 2069879A1 FR 6940768 A FR6940768 A FR 6940768A FR 6940768 A FR6940768 A FR 6940768A FR 2069879 A1 FR2069879 A1 FR 2069879A1
Authority
FR
France
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.)
Pending
Application number
FR6940768A
Other languages
French (fr)
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
Priority to FR6940768A priority Critical patent/FR2069879A1/fr
Priority to US00089608A priority patent/US3712103A/en
Priority to AT10519/70A priority patent/AT303493B/de
Priority to DE19702057629 priority patent/DE2057629A1/de
Priority to GB1297690D priority patent/GB1297690A/en
Priority to ZA708022A priority patent/ZA708022B/xx
Publication of FR2069879A1 publication Critical patent/FR2069879A1/fr
Pending legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Extrusion Of Metal (AREA)
  • Lubricants (AREA)
FR6940768A 1969-11-26 1969-11-26 Pending FR2069879A1 (cs)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR6940768A FR2069879A1 (cs) 1969-11-26 1969-11-26
US00089608A US3712103A (en) 1969-11-26 1970-11-16 Method and apparatus for the hot piercing of metal billets
AT10519/70A AT303493B (de) 1969-11-26 1970-11-23 Verfahren zur herstellung von nahtlosen rohren und hohlprofilen durch warmlochen
DE19702057629 DE2057629A1 (de) 1969-11-26 1970-11-24 Warmlochen von Metallbloecken
GB1297690D GB1297690A (cs) 1969-11-26 1970-11-24
ZA708022A ZA708022B (en) 1969-11-26 1970-11-26 Improvement in the hot piercing of metal billets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6940768A FR2069879A1 (cs) 1969-11-26 1969-11-26

Publications (1)

Publication Number Publication Date
FR2069879A1 true FR2069879A1 (cs) 1971-09-10

Family

ID=9043662

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6940768A Pending FR2069879A1 (cs) 1969-11-26 1969-11-26

Country Status (6)

Country Link
US (1) US3712103A (cs)
AT (1) AT303493B (cs)
DE (1) DE2057629A1 (cs)
FR (1) FR2069879A1 (cs)
GB (1) GB1297690A (cs)
ZA (1) ZA708022B (cs)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085606A (en) * 1976-12-09 1978-04-25 Westinghouse Electric Corporation Hydrostatic extrusion apparatus for producing hollow elongated bodies of rectangular cross section
CN100551564C (zh) * 2005-06-14 2009-10-21 住友金属工业株式会社 一种穿孔机和用于穿孔机的顶头及无缝管的制造方法
JP4518205B2 (ja) * 2008-12-01 2010-08-04 住友金属工業株式会社 熱間穿孔用上面ガラス成形材および熱間押出製管用ビレットの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1802785A (en) * 1924-10-11 1931-04-28 Singer Fritz Method of extruding long seamless tubing
DE728356C (de) * 1939-10-03 1942-11-25 Mannesmann Ag Verfahren zum Strangpressen von Rohren
US2320071A (en) * 1940-11-23 1943-05-25 Ferrex Corp Apparatus for extruding metals
GB1150171A (en) * 1966-04-19 1969-04-30 Chesterfield Tube Company Ltd Formation of Hollow Metal Billets.
US3580038A (en) * 1968-04-03 1971-05-25 Cefilac Extrusion mandrel and method
FR1601305A (cs) * 1968-06-26 1970-08-17

Also Published As

Publication number Publication date
AT303493B (de) 1972-10-15
DE2057629A1 (de) 1971-06-09
GB1297690A (cs) 1972-11-29
US3712103A (en) 1973-01-23
ZA708022B (en) 1971-08-25

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Legal Events

Date Code Title Description
TP Transmission of property