DE129913C - - Google Patents

Info

Publication number
DE129913C
DE129913C DENDAT129913D DE129913DA DE129913C DE 129913 C DE129913 C DE 129913C DE NDAT129913 D DENDAT129913 D DE NDAT129913D DE 129913D A DE129913D A DE 129913DA DE 129913 C DE129913 C DE 129913C
Authority
DE
Germany
Prior art keywords
die
spiral
work piece
parts
downwards
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.)
Active
Application number
DENDAT129913D
Other languages
German (de)
English (en)
Publication of DE129913C publication Critical patent/DE129913C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B21C23/147—Making drill blanks
    • 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
    • B21K5/00—Making tools or tool parts, e.g. pliers
    • B21K5/02—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes
    • B21K5/04—Making tools or tool parts, e.g. pliers drilling-tools or other for making or working on holes twisting-tools, e.g. drills, reamers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
DENDAT129913D Active DE129913C (enExample)

Publications (1)

Publication Number Publication Date
DE129913C true DE129913C (enExample)

Family

ID=398339

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT129913D Active DE129913C (enExample)

Country Status (1)

Country Link
DE (1) DE129913C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187608A (en) * 1961-12-04 1965-06-08 Gen Dynamics Corp Method for forming articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3187608A (en) * 1961-12-04 1965-06-08 Gen Dynamics Corp Method for forming articles

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