FR2014862A1 - - Google Patents

Info

Publication number
FR2014862A1
FR2014862A1 FR6926243A FR6926243A FR2014862A1 FR 2014862 A1 FR2014862 A1 FR 2014862A1 FR 6926243 A FR6926243 A FR 6926243A FR 6926243 A FR6926243 A FR 6926243A FR 2014862 A1 FR2014862 A1 FR 2014862A1
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.)
Withdrawn
Application number
FR6926243A
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.)
Chesterfield Tube Co Ltd
Original Assignee
Chesterfield Tube Co Ltd
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 Chesterfield Tube Co Ltd filed Critical Chesterfield Tube Co Ltd
Publication of FR2014862A1 publication Critical patent/FR2014862A1/fr
Withdrawn legal-status Critical Current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
    • B21C23/20—Making uncoated products by backward extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
FR6926243A 1968-08-01 1969-07-31 Withdrawn FR2014862A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB36717/68A GB1207407A (en) 1968-08-01 1968-08-01 Apparatus for use in forming shells from billets

Publications (1)

Publication Number Publication Date
FR2014862A1 true FR2014862A1 (fr) 1970-04-24

Family

ID=10390622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6926243A Withdrawn FR2014862A1 (fr) 1968-08-01 1969-07-31

Country Status (5)

Country Link
US (1) US3651681A (fr)
AT (1) AT290261B (fr)
DE (2) DE1938866A1 (fr)
FR (1) FR2014862A1 (fr)
GB (1) GB1207407A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1155833B (it) * 1978-02-17 1987-01-28 Its Italtractor Sud Spa Procedimento perfezionato per l'estrusione a freddo di boccole metalliche in particolare per cingoli di trattori o simili ed attrezzatura per l'attuazione del procedimento
CN103302124B (zh) * 2013-04-27 2015-08-19 太原科技大学 一种带安全保护的热反挤压冲头装置
CN103639227B (zh) * 2013-12-09 2016-03-09 哈尔滨工业大学 一种制造超薄壁微小圆筒件的模具与方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1082200A (en) * 1910-01-04 1913-12-23 Rheinische Metallw & Maschf Manufacture of hollow bodies.
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
AT290261B (de) 1971-05-25
GB1207407A (en) 1970-09-30
DE6930247U (de) 1973-09-06
DE1938866A1 (de) 1970-07-23
US3651681A (en) 1972-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse