LU47290A1 - - Google Patents

Info

Publication number
LU47290A1
LU47290A1 LU47290DA LU47290A1 LU 47290 A1 LU47290 A1 LU 47290A1 LU 47290D A LU47290D A LU 47290DA LU 47290 A1 LU47290 A1 LU 47290A1
Authority
LU
Luxembourg
Application number
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
Priority claimed from FR953120A external-priority patent/FR1382331A/fr
Priority claimed from FR970082A external-priority patent/FR85959E/fr
Application filed filed Critical
Publication of LU47290A1 publication Critical patent/LU47290A1/xx

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
    • 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams
    • 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
    • B21C37/16—Making tubes with varying diameter in longitudinal direction
    • B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
    • B21C37/185—Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials For Medical Uses (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulding By Coating Moulds (AREA)
LU47290D 1963-11-08 1964-11-05 LU47290A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR953120A FR1382331A (fr) 1963-11-08 1963-11-08 Procédé pour la fabrication des tubes coniques et tubes fabriqués par ce procédé
FR970082A FR85959E (fr) 1964-04-08 1964-04-08 Procédé pour la fabrication des tubes coniques et tubes fabriqués par ce procédé

Publications (1)

Publication Number Publication Date
LU47290A1 true LU47290A1 (fr) 1965-05-05

Family

ID=26204239

Family Applications (1)

Application Number Title Priority Date Filing Date
LU47290D LU47290A1 (fr) 1963-11-08 1964-11-05

Country Status (7)

Country Link
BE (1) BE655373A (fr)
CH (1) CH447991A (fr)
DE (2) DE1777330B1 (fr)
ES (1) ES305719A1 (fr)
GB (1) GB1075548A (fr)
LU (1) LU47290A1 (fr)
NL (1) NL6412978A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815477A1 (de) * 1978-04-10 1979-10-18 Vulkan Werk Gmbh Rohr aus schraubenfoermig gewickeltem bandmaterial
EP0201729A3 (fr) * 1985-04-12 1987-04-29 Horst Hano Dispositif pour la fabrication des tubes enroulés ainsi que tube enroulé
US8720153B2 (en) 2010-01-25 2014-05-13 Keystone Tower Systems, Inc. Tapered spiral welded structure
US10189064B2 (en) 2010-01-25 2019-01-29 Keystone Tower Systems, Inc. Control system and method for tapered structure construction
EP3581326B1 (fr) 2011-09-20 2021-11-03 Keystone Tower Systems, Inc. Appareil de fabrication d'une structure conique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH396A (de) * 1889-01-30 1889-09-11 Wilhelm Lorenz Werkzeugscheibe mit zentralem Hohlraum und mit im Kreise angeordneten, nach dem Hohlraum hin gerichteten vor- und zurückbewegbaren Werkzeugen
FR1294632A (fr) * 1961-07-11 1962-05-26 Machine pour la fabrication de tubes de différents diamètres à partir d'une bande enroulée en hélice

Also Published As

Publication number Publication date
NL6412978A (fr) 1965-05-10
CH447991A (fr) 1967-12-15
ES305719A1 (es) 1965-05-01
DE1452196A1 (de) 1969-03-27
GB1075548A (en) 1967-07-12
DE1777330B1 (de) 1972-03-16
BE655373A (fr) 1965-05-06

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