BE696964A - - Google Patents

Info

Publication number
BE696964A
BE696964A BE696964DA BE696964A BE 696964 A BE696964 A BE 696964A BE 696964D A BE696964D A BE 696964DA BE 696964 A BE696964 A BE 696964A
Authority
BE
Belgium
Prior art keywords
emi
phase
welding current
assembly
tube
Prior art date
Application number
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE696964A publication Critical patent/BE696964A/fr

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
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/26—Making finned or ribbed tubes by fixing strip or like material to tubes helically-ribbed tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/032—Seam welding; Backing means; Inserts for three-dimensional seams
    • B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional seams helicoidal seams

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Arc Welding Control (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
BE696964D 1966-04-14 1967-04-13 BE696964A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR57650A FR1532241A (fr) 1966-04-14 1966-04-14 Perfectionnements aux tubes à ailettes notamment pour échangeurs de chaleur et à leur fabrication
FR101475A FR93364E (fr) 1966-04-14 1967-04-04 Perfectionnements aux tubes a ailettes notamment pour échangeurs de chaleur et a leur fabrication.

Publications (1)

Publication Number Publication Date
BE696964A true BE696964A (enrdf_load_html_response) 1967-09-18

Family

ID=26169953

Family Applications (1)

Application Number Title Priority Date Filing Date
BE696964D BE696964A (enrdf_load_html_response) 1966-04-14 1967-04-13

Country Status (6)

Country Link
BE (1) BE696964A (enrdf_load_html_response)
CH (1) CH467637A (enrdf_load_html_response)
DE (1) DE1615143A1 (enrdf_load_html_response)
ES (1) ES339299A1 (enrdf_load_html_response)
FR (2) FR1532241A (enrdf_load_html_response)
NL (1) NL6705287A (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3760365A1 (de) * 2019-06-28 2021-01-06 Schmöle GmbH Verfahren zur herstellung eines rippenrohres und rippenrohr
DE102019131313B4 (de) * 2019-11-20 2024-05-29 Schmöle GmbH Verfahren sowie Vorrichtung zur Herstellung eines Rippenrohres und selbiges

Also Published As

Publication number Publication date
FR1532241A (fr) 1968-07-12
NL6705287A (enrdf_load_html_response) 1967-10-16
ES339299A1 (es) 1968-05-01
DE1615143A1 (de) 1971-10-07
FR93364E (fr) 1969-03-21
CH467637A (fr) 1969-01-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BIRAGHI S.A.

Effective date: 19850413