patent · US1628066
Gas for cutting and welding purposes
10 May 1927
Page 1 — bibliographic record
Patented May 10, 1927. 1,628,066
UNITED STATES PATENT OFFICE.
JAMES R. ROSE, OF EDGE WORTH, PENNSYLVANIA, ASSIGNOR To CARBO-HYDROGEN
COMPANY OF AMERICA, OF PITTSBURGH, PENNSYLVANIA, A CORPORATION OF
IDEAWARE.
GAs FoR. CUTTING AND WELDING PURPOSES.
NoDrawing. Application filed August 3, 1918. Serial No. 248,135. This invention relates to gases employed veniently tion to to be brought into operative rela the metal during the cutting and 40 with blowpipes or torches for the purpose welding operations.
of cutting and welding metals. It is the In the production of my gas, I add to general object of this invention to produce hydrogen substantially 20 per cent by vol 5 a gas for this purpose which, while extreme time of methane, or natural gas. This mix ly economical of production, is nevertheless ture will remain in a homogeneous condition, 45
As is well known, hydrogen, while produc will produce a flame temperature of not ing by its combustion a flame temperature less than 4,000° F. and will stand a com pression of at least 1800 pounds per square 10 sufficient for heating metal for cutting and inch without deterioration, or impairment welding purposes, has been found to be com of heating values. The gas thus produced 50 mercially impractical for such use because may therefore bestored under pressure with of the fact that its flame is colorless, making in tanks and shipped it extremely difficult to bring the flame into Because of its stability,to cheapness, various consumers.
and effi 15 proper relation to the metal and adjust the ciency, it has proven particularly valuable proper economical quantity. As a result, in the fields hereinbefore indicated. a vast amount of hydrogen, particularly in This gaseous mixture will produce a blow 55 plants equipped for the production of oxy pipe flame of large volume and extremely gen by electrolysis, is allowed to go to waste. rich in heat units, and such a flame is par 20 By the use of my invention, this hydrogen, ticularly is rendered capable of efficient utilization masses ofuseful in preheating rapidly large metal, thereby enabling such 60 and a large and aditional field for its em masses to be cut, despite the loss of heat ployment is opened up to the public. due to radiation. The blow-pipe flame pro Furthermore, the gas which is used to a 25 great extent for cutting and welding pur duced by the combustion of this gaseous mixture is also particularly useful in cut poses is acetylene. While this gas produces ting alloys, cast steel, and corroded, dirty 65. by its combustion a flame temperature which and slaggy iron.
is amply sufficient for cutting and welding Having thus described my invention what purposes, it requires for its combustion a 30 large proportion of oxygen, thus rendering I claim is:-
A gas for cutting and welding with oxy its employment expensive. In and through gen, comprising essentially a mixture of 70 the use of my invention, I am enabled to hydrogen with substantially 20 per cent by produce a gas for cutting and welding pur poses, the flame temperature whereof is not volume of methane.
35 materially lower than that produced by the In testimony whereof, I hereunto affix my combustion of hydrogen alone and one which signature.
will, by its combustion, produce an interior visible cone which will enable the flame con JAMES R. ROSE.
Provenance
- Collection
- Cited prior art
- Original PDF
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- Filed
- 1918-08-03
- Pages
- 1
- Method
- pdftotext (the PDF's own text layer) + pdftoppm 300dpi page scans
- Source
- Google Patents bibliographic record
- Granted
- 1927-05-10
- Inventors
- James R Rose; CARBO HYDROGEN Co OF AMER
- Transcribed from
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