GB815620A - A method and apparatus for butt welding a pair of tubular members - Google Patents

A method and apparatus for butt welding a pair of tubular members

Info

Publication number
GB815620A
GB815620A GB23976/56A GB2397656A GB815620A GB 815620 A GB815620 A GB 815620A GB 23976/56 A GB23976/56 A GB 23976/56A GB 2397656 A GB2397656 A GB 2397656A GB 815620 A GB815620 A GB 815620A
Authority
GB
United Kingdom
Prior art keywords
tubes
chamber
welding
butt
welded
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
GB23976/56A
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.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
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 Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB815620A publication Critical patent/GB815620A/en
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
    • B23K13/06—Welding by high-frequency current heating characterised by the shielding of the welding zone against influence of the surrounding atmosphere

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Products (AREA)

Abstract

815,620. Welding by pressure. COMBUSTION ENGINEERING Inc. Aug. 3, 1956 [Sept. 26, 1955 (2)], No. 23976/56. Class 83 (4). In a method of butt-welding two tubes coaxially, the closely spaced ends are heated to welding temperature and welded by axial pressure in vacuo, while enclosed within a small annular chamber. Apparatus for butt-welding tubes 10 and 12 without the presence of oxygen comprises annular members 22 and 24 of heatresistant material, such as asbestos glued to paper, cemented to the walls of the tubes at 16, 26 and 28 to form an air-tight chamber 30. Annuli 14 with radial flanges 20 are cemented together to form the annulus 22, the flanges projecting slightly beyond the ends of their respective tubes 10 and 12. The chamber 30 is connected to an exhausted container 32 many times its size so that on opening a valve 40 the chamber 30 is rapidly evacuated and collapses towards the tubes. Heat is then supplied by the induction coil 58 or other means and the tubes welded by axial pressure. In a modification the chamber 30 is formed by rigid annuli 42, 52 of a heat-resistant material, e.g. a ceramic and the seal is effected by inflatable toroidal tubes 44 and 54. In a further modification the member 42 may be a solid cylinder.
GB23976/56A 1955-09-26 1956-08-03 A method and apparatus for butt welding a pair of tubular members Expired GB815620A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US815620XA 1955-09-26 1955-09-26

Publications (1)

Publication Number Publication Date
GB815620A true GB815620A (en) 1959-07-01

Family

ID=22164941

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23976/56A Expired GB815620A (en) 1955-09-26 1956-08-03 A method and apparatus for butt welding a pair of tubular members

Country Status (1)

Country Link
GB (1) GB815620A (en)

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