BE441339A - - Google Patents

Info

Publication number
BE441339A
BE441339A BE441339DA BE441339A BE 441339 A BE441339 A BE 441339A BE 441339D A BE441339D A BE 441339DA BE 441339 A BE441339 A BE 441339A
Authority
BE
Belgium
Prior art keywords
die
hollow body
mandrel
longitudinal ribs
ribs
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE441339A publication Critical patent/BE441339A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/04Making uncoated products by direct extrusion
    • B21C23/08Making wire, bars, tubes
    • B21C23/10Making finned tubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/20Making uncoated products by backward extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
BE441339D BE441339A (de)

Publications (1)

Publication Number Publication Date
BE441339A true BE441339A (de)

Family

ID=98854

Family Applications (1)

Application Number Title Priority Date Filing Date
BE441339D BE441339A (de)

Country Status (1)

Country Link
BE (1) BE441339A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007031057A1 (de) * 2005-09-13 2007-03-22 Neumayer Tekfor Holding Gmbh Brennkammer sowie verfahren zur herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007031057A1 (de) * 2005-09-13 2007-03-22 Neumayer Tekfor Holding Gmbh Brennkammer sowie verfahren zur herstellung
CN101262962B (zh) * 2005-09-13 2010-05-19 诺伊曼尔·泰克福尔控股有限公司 燃烧室及其制造方法

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