NL6412978A - - Google Patents

Info

Publication number
NL6412978A
NL6412978A NL6412978A NL6412978A NL6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A NL 6412978 A NL6412978 A NL 6412978A
Authority
NL
Netherlands
Application number
NL6412978A
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 NL6412978A publication Critical patent/NL6412978A/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/12Making tubes or metal hoses with helically arranged seams
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE 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
    • B21C37/00Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06Manufacture of metal sheets, rods, wire, tubes, profiles 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
    • B21C37/15Making tubes of special shape; Making tube fittings
    • B21C37/16Making tubes with varying diameter in longitudinal direction
    • B21C37/18Making tubes with varying diameter in longitudinal direction conical tubes
    • B21C37/185Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Materials For Medical Uses (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Treatment Of Fiber Materials (AREA)
NL6412978A 1963-11-08 1964-11-06 NL6412978A (https=)

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
NL6412978A true NL6412978A (https=) 1965-05-10

Family

ID=26204239

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6412978A NL6412978A (https=) 1963-11-08 1964-11-06

Country Status (7)

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

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 (de) * 1985-04-12 1987-04-29 Horst Hano Vorrichtung zur Herstellung von Wickelrohr sowie Wickelrohr
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
EP3974100B1 (en) 2011-09-20 2025-11-26 Keystone Tower Systems, Inc. Construction system for manufacturing a tapered structure

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
CH447991A (fr) 1967-12-15
GB1075548A (en) 1967-07-12
DE1452196A1 (de) 1969-03-27
LU47290A1 (https=) 1965-05-05
BE655373A (https=) 1965-05-06
DE1777330B1 (de) 1972-03-16
ES305719A1 (es) 1965-05-01

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