GB627133A - An improved metal desurfacing and flame-machining process and a blowpipe nozzle therefor - Google Patents

An improved metal desurfacing and flame-machining process and a blowpipe nozzle therefor

Info

Publication number
GB627133A
GB627133A GB12815/47A GB1281547A GB627133A GB 627133 A GB627133 A GB 627133A GB 12815/47 A GB12815/47 A GB 12815/47A GB 1281547 A GB1281547 A GB 1281547A GB 627133 A GB627133 A GB 627133A
Authority
GB
United Kingdom
Prior art keywords
nozzle
blowpipe
desurfacing
flame
frusto
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
GB12815/47A
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.)
Linde Air Products Co
Original Assignee
Linde Air Products 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 Linde Air Products Co filed Critical Linde Air Products Co
Publication of GB627133A publication Critical patent/GB627133A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F23D14/52—Nozzles for torches; for blow-pipes
    • F23D14/54—Nozzles for torches; for blow-pipes for cutting or welding metal
    • 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
    • B23K7/00—Cutting, scarfing, or desurfacing by applying flames
    • B23K7/06—Machines, apparatus, or equipment specially designed for scarfing or desurfacing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)

Abstract

627,133. Blowpipe burners. LINDE AIR PRODUCTS CO. May 12, 1947, No. 12815. Convention date, June 7, 1946. [Class 75(i)] [Also in Group XXII] A blowpipe nozzle for producing wide cuts has an axial oxygen passage 11 comprising an inlet portion 21 of constant diameter, a frusto-conical central portion 22, an outlet portion having a constant diameter substantially twice that of the inlet portion, and a baffle 24 at the junction of the frusto-conical and outlet portions having a central axially extending orifice 25 and an annularly arranged series of orifices, the axes of which diverge downstream with respect to the longitudinal axis of the nozzle. A series of preheat or combustible gas passages 13 are annularly disposed about the passage 11 and communicate at their inlet ends with an annular groove 14 which forms a gas distributing chamber with part of the blowpipe head to which the nozzle is attached by a coupling nut 19. A process for making wide flamemachining or flame-desurfacing cuts on a metal surface is described, which comprises directing a stream of oxygen from the nozzle at an angle to a highly heated surface portion and moving the nozzle relatively to the surface.
GB12815/47A 1946-06-07 1947-05-12 An improved metal desurfacing and flame-machining process and a blowpipe nozzle therefor Expired GB627133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US627133XA 1946-06-07 1946-06-07

Publications (1)

Publication Number Publication Date
GB627133A true GB627133A (en) 1949-07-29

Family

ID=22044309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12815/47A Expired GB627133A (en) 1946-06-07 1947-05-12 An improved metal desurfacing and flame-machining process and a blowpipe nozzle therefor

Country Status (1)

Country Link
GB (1) GB627133A (en)

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