GB170039A - Improvements in and relating to electrodes for electric arc welding and like operations - Google Patents

Improvements in and relating to electrodes for electric arc welding and like operations

Info

Publication number
GB170039A
GB170039A GB1518820A GB1518820A GB170039A GB 170039 A GB170039 A GB 170039A GB 1518820 A GB1518820 A GB 1518820A GB 1518820 A GB1518820 A GB 1518820A GB 170039 A GB170039 A GB 170039A
Authority
GB
United Kingdom
Prior art keywords
coating
per cent
soda
silicate
electrode
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
GB1518820A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1518820A priority Critical patent/GB170039A/en
Publication of GB170039A publication Critical patent/GB170039A/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
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3607—Silica or silicates
    • 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
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053—Fe as the principal constituent
    • B23K35/306—Fe as the principal constituent with C as next major constituent, e.g. cast iron

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Arc Welding In General (AREA)

Abstract

170,039. Holslag, C. J. June 4, 1920. Drawings to Specification. Uniting by fusion.-An arc-welding electrode for thin metal, cast iron, carbo-steel, &c. is provided with a thin coating extending completely or partially round the rod, consisting of silica, preferably in the form of silicate of soda, and carbon, the silica forming the principal ingredient, in order to reduce the current amperage necessary. To obtain the advantages of the higher voltages for starting the weld, and also those provided by the use of a thin coating, the coating is thickened at the end, as described in Specification 152,733, [Class 39 (iii), Heating by electricity]. In the case of an electrode which is grasped in the centre, the coating at both ends may be thickened. The coating preferably consists of silicate of soda and lamp black and may also contain calcium car. bonate, pulverized asbestos, and magnesium or boron or other substances having a great affinity for oxygen. The proportions of the constituents are preferably 1 to 30 per cent of carbon, 35 to 75 per cent of silicate of soda, 1 to 2 per cent of magnesium or boron, and 25 to 40 per cent of asbestos and calcium carbonate. The electrode is preferably used with transformers as described in Specifications 126,271 or 133,013, [Class 38 (ii), Electric currents, Converting &c]. Specifications 12724/10, 3762/11, 144,333, 147,270, 152,257, and 157,509 also are referred to.
GB1518820A 1920-06-04 1920-06-04 Improvements in and relating to electrodes for electric arc welding and like operations Expired GB170039A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1518820A GB170039A (en) 1920-06-04 1920-06-04 Improvements in and relating to electrodes for electric arc welding and like operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1518820A GB170039A (en) 1920-06-04 1920-06-04 Improvements in and relating to electrodes for electric arc welding and like operations

Publications (1)

Publication Number Publication Date
GB170039A true GB170039A (en) 1921-10-04

Family

ID=10054557

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1518820A Expired GB170039A (en) 1920-06-04 1920-06-04 Improvements in and relating to electrodes for electric arc welding and like operations

Country Status (1)

Country Link
GB (1) GB170039A (en)

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