FR2298380A1 - Procede de fabr - Google Patents

Procede de fabr

Info

Publication number
FR2298380A1
FR2298380A1 FR7501966A FR7501966A FR2298380A1 FR 2298380 A1 FR2298380 A1 FR 2298380A1 FR 7501966 A FR7501966 A FR 7501966A FR 7501966 A FR7501966 A FR 7501966A FR 2298380 A1 FR2298380 A1 FR 2298380A1
Authority
FR
France
Prior art keywords
prodn
wall tubes
sectional area
increased cross
die blocks
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.)
Granted
Application number
FR7501966A
Other languages
English (en)
Other versions
FR2298380B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GILDENGORN MELIS
Original Assignee
GILDENGORN MELIS
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 by GILDENGORN MELIS filed Critical GILDENGORN MELIS
Priority to FR7501966A priority Critical patent/FR2298380A1/fr
Publication of FR2298380A1 publication Critical patent/FR2298380A1/fr
Application granted granted Critical
Publication of FR2298380B1 publication Critical patent/FR2298380B1/fr
Granted 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 OR PROFILES, 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
    • B21C23/08—Making wire, bars, tubes
    • B21C23/085—Making tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls
    • B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes and tubes with decorated walls with guides parallel to the tube axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
FR7501966A 1975-01-22 1975-01-22 Procede de fabr Granted FR2298380A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7501966A FR2298380A1 (fr) 1975-01-22 1975-01-22 Procede de fabr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7501966A FR2298380A1 (fr) 1975-01-22 1975-01-22 Procede de fabr

Publications (2)

Publication Number Publication Date
FR2298380A1 true FR2298380A1 (fr) 1976-08-20
FR2298380B1 FR2298380B1 (fr) 1977-07-15

Family

ID=9150162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7501966A Granted FR2298380A1 (fr) 1975-01-22 1975-01-22 Procede de fabr

Country Status (1)

Country Link
FR (1) FR2298380A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865959A1 (fr) * 2004-02-09 2005-08-12 Cci Procede de fabrication d'elements constitutifs de bancs de moulage de poutrelles precontraintes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2865959A1 (fr) * 2004-02-09 2005-08-12 Cci Procede de fabrication d'elements constitutifs de bancs de moulage de poutrelles precontraintes

Also Published As

Publication number Publication date
FR2298380B1 (fr) 1977-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse