[go: up one dir, main page]

FR972849A - Perfectionnements aux procédés de fabrication de tubes - Google Patents

Perfectionnements aux procédés de fabrication de tubes

Info

Publication number
FR972849A
FR972849A FR972849DA FR972849A FR 972849 A FR972849 A FR 972849A FR 972849D A FR972849D A FR 972849DA FR 972849 A FR972849 A FR 972849A
Authority
FR
France
Prior art keywords
manufacturing processes
tube manufacturing
tube
processes
manufacturing
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.)
Expired
Application number
Other languages
English (en)
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.)
TUBES DE VALENCIENNES ET DENAI
Original Assignee
TUBES DE VALENCIENNES ET DENAI
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 TUBES DE VALENCIENNES ET DENAI filed Critical TUBES DE VALENCIENNES ET DENAI
Application granted granted Critical
Publication of FR972849A publication Critical patent/FR972849A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/04—Welding by high-frequency current heating by conduction heating
    • 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
    • B23K13/00—Welding by high-frequency current heating
    • B23K13/01—Welding by high-frequency current heating by induction heating
    • B23K13/02—Seam welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR972849D 1941-05-16 1941-05-16 Perfectionnements aux procédés de fabrication de tubes Expired FR972849A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR972849T 1941-05-16

Publications (1)

Publication Number Publication Date
FR972849A true FR972849A (fr) 1951-02-05

Family

ID=9516310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR972849D Expired FR972849A (fr) 1941-05-16 1941-05-16 Perfectionnements aux procédés de fabrication de tubes

Country Status (1)

Country Link
FR (1) FR972849A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938993A (en) * 1957-08-29 1960-05-31 Magnetic Heating Corp High frequency electrical welding
DE1157725B (de) * 1962-07-24 1963-11-21 Aeg Verfahren und Vorrichtung zum Laengsnahtschweissen von Rohren im fortschreitenden Verfahren unter induktivem Erhitzen
DE1260054B (de) * 1963-10-24 1968-02-01 Mannesmann Meer Ag Hochfrequenz-Induktions-Rohrschweissmaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938993A (en) * 1957-08-29 1960-05-31 Magnetic Heating Corp High frequency electrical welding
DE1157725B (de) * 1962-07-24 1963-11-21 Aeg Verfahren und Vorrichtung zum Laengsnahtschweissen von Rohren im fortschreitenden Verfahren unter induktivem Erhitzen
DE1260054B (de) * 1963-10-24 1968-02-01 Mannesmann Meer Ag Hochfrequenz-Induktions-Rohrschweissmaschine

Similar Documents

Publication Publication Date Title
FR917027A (fr) Perfectionnements à la production de tubes cintrés
CH239102A (de) Röntgenröhre.
FR972849A (fr) Perfectionnements aux procédés de fabrication de tubes
FR948341A (fr) Tube à décharge perfectionné
FR862672A (fr) Perfectionnements aux procédés de fabrication de tubes
FR55395E (fr) Perfectionnements aux procédés de fabrication de tubes
FR881445A (fr) Clé à tube
FR950304A (fr) Perfectionnements aux tubes à décharge
FR874806A (fr) Perfectionnements aux procédés de fabrication des tubes à décharge
FR879301A (fr) Perfectionnements aux procédés de fabrication des tubes de verre
FR944244A (fr) Clé coudée en tube
FR873050A (fr) Perfectionnements aux procédés de fabrication des tubes soudés
FR942953A (fr) Perfectionnements à la fabrication des tubes à vide
FR874477A (fr) Tube
FR886307A (fr) Perfectionnements aux tubes de braun
FR919525A (fr) Perfectionnements relatifs aux procédés de fermentation
FR993849A (fr) Perfectionnements aux tubes à ailettes
FR878070A (fr) Perfectionnements aux tubes à décharge
FR874382A (fr) Perfectionnements aux tubes à décharge
FR51776E (fr) Perfectionnements aux tubes à décharge
FR51591E (fr) Perfectionnements aux tubes à décharge
FR51542E (fr) Perfectionnements aux tubes à décharge
FR55528E (fr) étui pour tubes souples
FR882642A (fr) Perfectionnements aux évaporateurs
FR948634A (fr) Supports de tubes électroniques