CH441200A - Formgerüst zur Herstellung von Schraubennahtrohren - Google Patents

Formgerüst zur Herstellung von Schraubennahtrohren

Info

Publication number
CH441200A
CH441200A CH1489764A CH1489764A CH441200A CH 441200 A CH441200 A CH 441200A CH 1489764 A CH1489764 A CH 1489764A CH 1489764 A CH1489764 A CH 1489764A CH 441200 A CH441200 A CH 441200A
Authority
CH
Switzerland
Prior art keywords
production
forming frame
sutures
screw
screw sutures
Prior art date
Application number
CH1489764A
Other languages
English (en)
Inventor
Pferdekaemper Hans
Original Assignee
Schloemann Ag
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 Schloemann Ag filed Critical Schloemann Ag
Publication of CH441200A publication Critical patent/CH441200A/de

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
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture 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
    • B21C37/12—Making tubes or metal hoses with helically arranged seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
CH1489764A 1963-12-27 1964-11-18 Formgerüst zur Herstellung von Schraubennahtrohren CH441200A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC034387 1963-12-27

Publications (1)

Publication Number Publication Date
CH441200A true CH441200A (de) 1967-08-15

Family

ID=7433122

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1489764A CH441200A (de) 1963-12-27 1964-11-18 Formgerüst zur Herstellung von Schraubennahtrohren

Country Status (3)

Country Link
US (1) US3355921A (de)
CH (1) CH441200A (de)
GB (1) GB1055829A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4249406A (en) * 1978-09-05 1981-02-10 Anderson Frohman C Line pipe forming apparatus and method
WO2009111454A1 (en) * 2008-03-05 2009-09-11 X-Ray Optical Systems, Inc Xrf system having multiple excitation energy bands in highly aligned package

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3093103A (en) * 1958-02-10 1963-06-11 Florence B Berkeley Method of producing spiral pipe
US3092056A (en) * 1959-01-30 1963-06-04 American Pipe & Constr Co Apparatus for forming welded helical seam tubing from metal strip

Also Published As

Publication number Publication date
US3355921A (en) 1967-12-05
GB1055829A (en) 1967-01-18

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