GB888097A - Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths - Google Patents

Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths

Info

Publication number
GB888097A
GB888097A GB1770959A GB1770959A GB888097A GB 888097 A GB888097 A GB 888097A GB 1770959 A GB1770959 A GB 1770959A GB 1770959 A GB1770959 A GB 1770959A GB 888097 A GB888097 A GB 888097A
Authority
GB
United Kingdom
Prior art keywords
carriage
welding
arc
strip
torch
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
GB1770959A
Inventor
James Arthur Donelan
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.)
Pirelli General Cable Works Ltd
Pirelli General Cable Works
Original Assignee
Pirelli General Cable Works Ltd
Pirelli General Cable Works
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 Pirelli General Cable Works Ltd, Pirelli General Cable Works filed Critical Pirelli General Cable Works Ltd
Priority to GB1770959A priority Critical patent/GB888097A/en
Priority to DEP25057A priority patent/DE1118728B/en
Publication of GB888097A publication Critical patent/GB888097A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes 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
    • B21C37/08—Making tubes with welded or soldered seams
    • 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
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

888,097. Making tubes and electric conductors; welding by fusion; skelping by rolls or dies. PIRELLI-GENERAL CABLE WORKS Ltd. May 17, 1960 [May 25, 1959], No. 17709/59. Classes 83 (2) and 83 (4). In apparatus for arc-welding the longitudinal seam of a tube or cable sheath formed by bending metal strip, the welding torch 5 and one or more sets of forming rolls 9 or dies through which the strip 10 passes are mounted on a carriage 2 movable in the direction of the seam, and a device 23, released when the welding arc is extinguished, locks the carriage 2 in the normal welding position. The torch 5 and rolls 12 and 13 are mounted on a sub-carriage 6 movable on the carriage 2 manually or by a piston in a cylinder 8. When the welding current is switched off or the arc is extinguished, a valve 31 is actuated to release the locking device 23 and the capstan 14 on which the welded cable is wound is braked. As the capstan 4 slows to a stop the pull of the strip 10 on the forming rolls 9 and/or a separate power device moves the carriage 2. The subcarriage 6 may be moved so that the torch 5 overlaps the end of the weld. When the capstan 14 is restarted, the carriage 2 is pulled by the strip 10 until an abutment 25 engages an adjustable stop 24 and actuates a limit switch 27. The welding current is thereupon connected up and the arc is struck by a highfrequency current. Subsequently a piston and cylinder arrangement 18 is used to return the carriage 2 to be locked in its normal position by the device 23. In a modification, the forward movement of the carriage is terminated and the arc is struck under the control of a tachometer-generator driven off the tube and having output terminals connected to the welding torch switching mechanism. This generator may also be used to control the release of the locking device 23. Specification 741,303 is referred to.
GB1770959A 1959-05-25 1959-05-25 Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths Expired GB888097A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1770959A GB888097A (en) 1959-05-25 1959-05-25 Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths
DEP25057A DE1118728B (en) 1959-05-25 1960-05-23 Machine for welding the longitudinal seam of slotted or cable casing pipes made from sheet metal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1770959A GB888097A (en) 1959-05-25 1959-05-25 Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths

Publications (1)

Publication Number Publication Date
GB888097A true GB888097A (en) 1962-01-24

Family

ID=10099825

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1770959A Expired GB888097A (en) 1959-05-25 1959-05-25 Improvements in or relating to apparatus and methods for welding tubes or electric cable sheaths

Country Status (2)

Country Link
DE (1) DE1118728B (en)
GB (1) GB888097A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165616A (en) * 1962-07-27 1965-01-12 Anaconda Wire & Cable Co Seam sealing apparatus
US3794803A (en) * 1971-04-21 1974-02-26 J Valdeck Apparatus and method for making needle tubing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032807B (en) * 1952-12-03 1958-06-26 Pirelli General Cable Works Device and method for joining the edges of a metal strip shaped as an electrical cable sheath by means of arc welding
US2845989A (en) * 1953-12-08 1958-08-05 Western Electric Co Device for sensing misaligned pipe seam and twisting same

Also Published As

Publication number Publication date
DE1118728B (en) 1961-12-07

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