NL74221C - - Google Patents

Info

Publication number
NL74221C
NL74221C NL74221DA NL74221C NL 74221 C NL74221 C NL 74221C NL 74221D A NL74221D A NL 74221DA NL 74221 C NL74221 C NL 74221C
Authority
NL
Netherlands
Application number
Publication of NL74221C publication Critical patent/NL74221C/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/44Making machine elements bolts, studs, or the like
    • B21K1/46Making machine elements bolts, studs, or the like with heads
    • B21K1/463Making machine elements bolts, studs, or the like with heads with recessed heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
NL74221D NL74221C (en)

Publications (1)

Publication Number Publication Date
NL74221C true NL74221C (en)

Family

ID=1824739

Family Applications (1)

Application Number Title Priority Date Filing Date
NL74221D NL74221C (en)

Country Status (1)

Country Link
NL (1) NL74221C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310822A (en) * 1964-05-04 1967-03-28 Nat Machinery Co Method and apparatus for making socket head screws

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3310822A (en) * 1964-05-04 1967-03-28 Nat Machinery Co Method and apparatus for making socket head screws

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