GB1387815A - Ferruled tubes - Google Patents

Ferruled tubes

Info

Publication number
GB1387815A
GB1387815A GB1029371A GB1029371A GB1387815A GB 1387815 A GB1387815 A GB 1387815A GB 1029371 A GB1029371 A GB 1029371A GB 1029371 A GB1029371 A GB 1029371A GB 1387815 A GB1387815 A GB 1387815A
Authority
GB
United Kingdom
Prior art keywords
tube
metal
welding
ferrule
tubes
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
GB1029371A
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.)
Babcock International Ltd
Original Assignee
Babcock and Wilcox Ltd
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 Babcock and Wilcox Ltd filed Critical Babcock and Wilcox Ltd
Priority to GB1029371A priority Critical patent/GB1387815A/en
Publication of GB1387815A publication Critical patent/GB1387815A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0282—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by varying the geometry of conduit ends, e.g. by using inserts or attachments for modifying the pattern of flow at the conduit inlet or outlet
    • 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
    • B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
    • B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
    • B23K20/129—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding specially adapted for particular articles or workpieces
    • 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
    • B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/007—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints specially adapted for joining pipes of dissimilar materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/002—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using inserts or attachments

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Geometry (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

1387815 Friction welding BABCOCK & WILCOX Ltd 20 April 1972 [20 April 1971] 10293/71 Heading B3R A method of welding a fluid-flow constricting ferrule 5 in a tube 1, when the ferrule comprises a metal, e.g. nickel alloy which is not easily weldable to the tube metal, e.g. mild steel, comprises friction welding a piece of the first metal to a piece of metal more easily weldable to the tube metal, machining the composite block to a ferrule shape having a smaller diameter bore 11 in the first metal part 7, placing the ferrule with the part 7 innermost in the end of tube 1 and preferably abutting a shoulder 4 in the tube, and welding, e.g. by T.I.G. welding, the other part 6, which may be mild steel, to the tube 1 at 12. The part 6 may project outwardly or retreat inwardly from the end of the tube to assist welding. Alternatively the ferrule may have a radially outwardly extending flange at the end of part 6 by which it may be friction welded to the end of tube 1. The tube 1 may be one of a plurality of tubes, each welded to a tube sheet or plate 13.
GB1029371A 1971-04-20 1971-04-20 Ferruled tubes Expired GB1387815A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1029371A GB1387815A (en) 1971-04-20 1971-04-20 Ferruled tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1029371A GB1387815A (en) 1971-04-20 1971-04-20 Ferruled tubes

Publications (1)

Publication Number Publication Date
GB1387815A true GB1387815A (en) 1975-03-19

Family

ID=9965192

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1029371A Expired GB1387815A (en) 1971-04-20 1971-04-20 Ferruled tubes

Country Status (1)

Country Link
GB (1) GB1387815A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071083A (en) * 1975-04-23 1978-01-31 Creusot-Loire Tubular exchanger
EP0182092A1 (en) * 1984-11-08 1986-05-28 Combustion Engineering, Inc. Waterwall tube orifice mounting assembly
FR2609330A2 (en) * 1985-12-23 1988-07-08 Stein Industrie Device for monitoring the flowrate in a heat-exchanger tube
US20140103643A1 (en) * 2012-10-16 2014-04-17 Smith International, Inc. Friction welded heavy weight drill pipes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071083A (en) * 1975-04-23 1978-01-31 Creusot-Loire Tubular exchanger
EP0182092A1 (en) * 1984-11-08 1986-05-28 Combustion Engineering, Inc. Waterwall tube orifice mounting assembly
FR2609330A2 (en) * 1985-12-23 1988-07-08 Stein Industrie Device for monitoring the flowrate in a heat-exchanger tube
US20140103643A1 (en) * 2012-10-16 2014-04-17 Smith International, Inc. Friction welded heavy weight drill pipes
US9816328B2 (en) * 2012-10-16 2017-11-14 Smith International, Inc. Friction welded heavy weight drill pipes

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee