BG22792A3 - IMPROVING THE DRILLING OF METAL BLOCKS - Google Patents

IMPROVING THE DRILLING OF METAL BLOCKS

Info

Publication number
BG22792A3
BG22792A3 BG012517A BG1251769A BG22792A3 BG 22792 A3 BG22792 A3 BG 22792A3 BG 012517 A BG012517 A BG 012517A BG 1251769 A BG1251769 A BG 1251769A BG 22792 A3 BG22792 A3 BG 22792A3
Authority
BG
Bulgaria
Prior art keywords
drilling
improving
metal blocks
blocks
metal
Prior art date
Application number
BG012517A
Other languages
Bulgarian (bg)
Inventor
Akira Asari
Yusuru Iimuro
Original Assignee
Compagnie Du Filage Des Metaux Et Des Joihts Curty (Cifilac)
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 Compagnie Du Filage Des Metaux Et Des Joihts Curty (Cifilac) filed Critical Compagnie Du Filage Des Metaux Et Des Joihts Curty (Cifilac)
Publication of BG22792A3 publication Critical patent/BG22792A3/en

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)
BG012517A 1968-06-26 1969-06-24 IMPROVING THE DRILLING OF METAL BLOCKS BG22792A3 (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BG22792A3 true BG22792A3 (en) 1977-04-20

Family

ID=8651656

Family Applications (1)

Application Number Title Priority Date Filing Date
BG012517A BG22792A3 (en) 1968-06-26 1969-06-24 IMPROVING THE DRILLING OF METAL BLOCKS

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2069879A1 (en) * 1969-11-26 1971-09-10 Cefilac
DE3017821A1 (en) * 1980-05-08 1981-11-12 Mannesmann AG, 4000 Düsseldorf DEVICE FOR GUIDING THE THORN IN HOLE AND FLOW PRESSES
CN104487181B (en) * 2012-08-24 2016-04-06 新日铁住金株式会社 Inner face control tool, lining, plug, hot-rolling mill, punching press punch and broaching machine

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 (en) * 1962-05-22 1964-12-04 Cefilac Hot-spinning process for hollow profiles
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 (en) 1970-08-17
DE1913772A1 (en) 1970-02-19
SU361544A3 (en) 1972-12-07
GB1243884A (en) 1971-08-25
BR6909839D0 (en) 1973-04-10

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