GB1243884A - Improvements in the piercing of metal blocks - Google Patents

Improvements in the piercing of metal blocks

Info

Publication number
GB1243884A
GB1243884A GB32164/69A GB3216469A GB1243884A GB 1243884 A GB1243884 A GB 1243884A GB 32164/69 A GB32164/69 A GB 32164/69A GB 3216469 A GB3216469 A GB 3216469A GB 1243884 A GB1243884 A GB 1243884A
Authority
GB
United Kingdom
Prior art keywords
piercing
metal blocks
blocks
metal
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
GB32164/69A
Other languages
English (en)
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 GB1243884A publication Critical patent/GB1243884A/en
Expired 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
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B21J9/04—Piercing presses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
GB32164/69A 1968-06-26 1969-06-25 Improvements in the piercing of metal blocks Expired GB1243884A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR156574 1968-06-26

Publications (1)

Publication Number Publication Date
GB1243884A true GB1243884A (en) 1971-08-25

Family

ID=8651656

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32164/69A Expired GB1243884A (en) 1968-06-26 1969-06-25 Improvements in the piercing of metal blocks

Country Status (7)

Country Link
US (1) US3581538A (pt)
BG (1) BG22792A3 (pt)
BR (1) BR6909839D0 (pt)
DE (1) DE1913772A1 (pt)
FR (1) FR1601305A (pt)
GB (1) GB1243884A (pt)
SU (1) SU361544A3 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2069879A1 (pt) * 1969-11-26 1971-09-10 Cefilac
DE3017821A1 (de) * 1980-05-08 1981-11-12 Mannesmann AG, 4000 Düsseldorf Einrichtung zum fuehren des dornes in loch- und fliesspressen
CN104487181B (zh) * 2012-08-24 2016-04-06 新日铁住金株式会社 内面控制工具、衬套、芯棒、热轧机、冲压穿孔机以及拉床

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756494A (en) * 1951-10-15 1956-07-31 Comptoir Ind Etirage Hot punching of metals
US2956337A (en) * 1955-08-24 1960-10-18 Cefilac Method of boring metals
US2900075A (en) * 1957-05-28 1959-08-18 Fortunato J Rizzitano Collapsible plunger head
FR1380420A (fr) * 1962-05-22 1964-12-04 Cefilac Procédé de filage à chaud de profils creux
GB1117501A (en) * 1964-10-02 1968-06-19 Loewy Eng Co Ltd Billet extrusion press
US3345853A (en) * 1965-03-23 1967-10-10 Babcock & Wilcox Co Work feeding method and apparatus for piercing press

Also Published As

Publication number Publication date
US3581538A (en) 1971-06-01
FR1601305A (pt) 1970-08-17
DE1913772A1 (de) 1970-02-19
BG22792A3 (bg) 1977-04-20
SU361544A3 (pt) 1972-12-07
BR6909839D0 (pt) 1973-04-10

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