FR700938A - Improvements in processes and apparatus for electric pipe welding - Google Patents

Improvements in processes and apparatus for electric pipe welding

Info

Publication number
FR700938A
FR700938A FR700938DA FR700938A FR 700938 A FR700938 A FR 700938A FR 700938D A FR700938D A FR 700938DA FR 700938 A FR700938 A FR 700938A
Authority
FR
France
Prior art keywords
processes
pipe welding
electric pipe
electric
welding
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
French (fr)
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.)
CLAYTON MARK AND CO
Original Assignee
CLAYTON MARK AND CO
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 CLAYTON MARK AND CO filed Critical CLAYTON MARK AND CO
Application granted granted Critical
Publication of FR700938A publication Critical patent/FR700938A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00Resistance welding; Severing by resistance heating
    • B23K11/24Electric supply or control circuits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR700938D 1930-08-21 1930-08-21 Improvements in processes and apparatus for electric pipe welding Expired FR700938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR700938T 1930-08-21

Publications (1)

Publication Number Publication Date
FR700938A true FR700938A (en) 1931-03-09

Family

ID=9052338

Family Applications (1)

Application Number Title Priority Date Filing Date
FR700938D Expired FR700938A (en) 1930-08-21 1930-08-21 Improvements in processes and apparatus for electric pipe welding

Country Status (1)

Country Link
FR (1) FR700938A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7924690B2 (en) 2007-04-06 2011-04-12 Commissariat A L'energie Atomique Process for intentional deterioration of the contents of an optical recording medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7924690B2 (en) 2007-04-06 2011-04-12 Commissariat A L'energie Atomique Process for intentional deterioration of the contents of an optical recording medium

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