NL89231C - - Google Patents

Info

Publication number
NL89231C
NL89231C NL89231DA NL89231C NL 89231 C NL89231 C NL 89231C NL 89231D A NL89231D A NL 89231DA NL 89231 C NL89231 C NL 89231C
Authority
NL
Netherlands
Application number
Publication of NL89231C publication Critical patent/NL89231C/xx

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
    • 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
    • B21K1/00—Making machine elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
NL89231D NL89231C (ja)

Publications (1)

Publication Number Publication Date
NL89231C true NL89231C (ja)

Family

ID=1833989

Family Applications (1)

Application Number Title Priority Date Filing Date
NL89231D NL89231C (ja)

Country Status (1)

Country Link
NL (1) NL89231C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696114A1 (fr) * 1992-09-26 1994-04-01 Luk Lamellen & Kupplungsbau Procédé pour former des creux ou trous dans une pièce métallique.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696114A1 (fr) * 1992-09-26 1994-04-01 Luk Lamellen & Kupplungsbau Procédé pour former des creux ou trous dans une pièce métallique.

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NL89231C (ja)