GB631776A - Improved brazing process and paste therefor - Google Patents

Improved brazing process and paste therefor

Info

Publication number
GB631776A
GB631776A GB24465/47A GB2446547A GB631776A GB 631776 A GB631776 A GB 631776A GB 24465/47 A GB24465/47 A GB 24465/47A GB 2446547 A GB2446547 A GB 2446547A GB 631776 A GB631776 A GB 631776A
Authority
GB
United Kingdom
Prior art keywords
paste
joint
parts
brazing
brazing material
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
GB24465/47A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation 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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB631776A publication Critical patent/GB631776A/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
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/14—Soldering, e.g. brazing, or unsoldering specially adapted for soldering seams
    • B23K1/16—Soldering, e.g. brazing, or unsoldering specially adapted for soldering seams longitudinal seams, e.g. of shells
    • 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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
    • B23K35/0244—Powders, particles or spheres; Preforms made therefrom
    • B23K35/025—Pastes, creams, slurries

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

631,776. Brazing. GENERAL MOTORS CORPORATION. Sept. 5, 1947, No. 24465. Convention date, Oct. 10, 1946. [Class 83 (iv)] In a process for brazing brass sheets 20, 22 with brazing material 26 on the joint, a non- fluxing paste comprising a mixture of brass powder, a plasticizer, a wetting agent and water is applied to the exterior of the joint, is dried, and then heated in a furnace in a reducing atmosphere to cause the brazing material to bond the joint and to cause the brass powder in the paste to vaporize the zinc and prevent any increase in the melting point of the brazing material in the joint. The paste may comprise by weight methyl cellulose 1 part, tributyl phosphate 0.83 parts, Aerosol O.T. 0.08 parts, water 25.8 parts, brass powder 74.5 parts.
GB24465/47A 1946-10-10 1947-09-05 Improved brazing process and paste therefor Expired GB631776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US631776XA 1946-10-10 1946-10-10

Publications (1)

Publication Number Publication Date
GB631776A true GB631776A (en) 1949-11-09

Family

ID=22047461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24465/47A Expired GB631776A (en) 1946-10-10 1947-09-05 Improved brazing process and paste therefor

Country Status (1)

Country Link
GB (1) GB631776A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2886185A1 (en) * 2005-05-30 2006-12-01 Valeo Systemes Thermiques Brazing of a folded tube for a heat exchanger includes the controlled prior application of brazing flux to the brazing surface, used for motor vehicle applications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2886185A1 (en) * 2005-05-30 2006-12-01 Valeo Systemes Thermiques Brazing of a folded tube for a heat exchanger includes the controlled prior application of brazing flux to the brazing surface, used for motor vehicle applications
WO2007010099A1 (en) * 2005-05-30 2007-01-25 Valeo Systemes Thermiques Method for brazing a heat exchanger folded tube while applying a flux near a contact zone of the walls, resulting tube

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