FR816590A - Improvements to machines for punching or die-forging parts - Google Patents

Improvements to machines for punching or die-forging parts

Info

Publication number
FR816590A
FR816590A FR816590DA FR816590A FR 816590 A FR816590 A FR 816590A FR 816590D A FR816590D A FR 816590DA FR 816590 A FR816590 A FR 816590A
Authority
FR
France
Prior art keywords
punching
machines
die
forging parts
forging
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
Other languages
French (fr)
Inventor
Cornell Jr
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 filed Critical
Application granted granted Critical
Publication of FR816590A publication Critical patent/FR816590A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K21/00—Making hollow articles not covered by a single preceding sub-group

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR816590D 1936-01-22 1937-01-19 Improvements to machines for punching or die-forging parts Expired FR816590A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US816590XA 1936-01-22 1936-01-22

Publications (1)

Publication Number Publication Date
FR816590A true FR816590A (en) 1937-08-11

Family

ID=22165556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816590D Expired FR816590A (en) 1936-01-22 1937-01-19 Improvements to machines for punching or die-forging parts

Country Status (1)

Country Link
FR (1) FR816590A (en)

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