US309753A - Gas-fitter s torch - Google Patents

Description

(No Model.)

' J. G. WALSH.

GAS PITTERS TORGH.

No. 309,753. I Patented Dec. 23, 1884.

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JOHN G. \VALSH, OF CHICAGO, ILLINOIS.

GAs-FlTTER S Toaei-i.

SPECIFICATION forming part of Letters Patent No. 309,753, dated December 23,1884.

Application filed March 1], 1884. (No model.)

To aZZ whom it may concern.- 4

Be it known that I, JOHN C. WALsrr, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Gas-Fitters Torches, of which the following is a specification, to wit:

This invention relates to an improvement in gas-fitters torches; and it consists in the peculiar construction and arrangement of the same, whereby a stronger and better flame is produced, and the tool is enabled to be used in a more convenient manner, substantially as will be hereinafter more fully set forth and claimed.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I will now proceed to clescribe its construction and operation, referring to the accompanying drawings, in which- Figure 1 is a central vertical section of my invention, and Figs. 2 and 3 are details of parts thereof.

A represents a vessel, of any desired shape and size, provided at its upper end with a lamp-chamber, A, screwed thereon, and having a wick-tube, a, of the usual form. Both the lamp-chamber and the main body of the vessel are partially filled with naphtha, as at a, and the part A is supplied with a filling tube, a closed by a screw-cap, a, as represented.

B represents an airtube passing through the side of the vessel A, and extending nearly to the bottom of the same, and having a flexible tube, B, connected to its outer end, through which air is blown by the person using it. The tube B is outside the vessel. provided with two small checkvalves, b 1), opening inward, as shown in Fig. 3, and obviating all danger of the naphtha being drawn into-the mouth, or of spilling when the device is held upon one side, as will be readily understood.

Within the main vessel A is also a gas-outlet tube, 0, having its end above the level of the naphtha, and, passing through the side of ,the vessel, is bent over and terminates in close relation to the upper end of the wick-tube a,

and at right angles thereto, as shown in Fig. 1. This tube is supplied with a connection,

' O, which connects with the tube B between the main body of the vessel and the checkvalve 7), and is provided with a stopcock, c, of any of the usual and well-known forms.

It will be readily understood that when the wick is ignited and the torch in use the operator blows through the flexible tube B, and the air passing through the naphtha is impregnated by the gas and escapes by the tube 0, when it is ignited by the flame of the lamp, and produces an intense gas-fiame,which is projected upon the work under operation in whatever direction is desired. This flame is .stopped and no gas generated when the blowing ceases. Should the gas .be too strong, the stop-cock c is opened to a greater or less extent, and the air passing in through the tube B is allowed to pass partially through the connection 0,

and, mingling with the gas, weakens it to the desired point.

To prevent the explosion of the lamp-chamber A by the expansion of the naphtha-gas under heat I connect this chamber by a small tube, at, with the pipe 0, and thereby allow all surplus gas to be consumed at the burner.

This device may be held in any position when in use without fear of leakage, and the flexible blow-pipe admits of its being used in corners or overhead,where the ordinary torch is unhandy and almost impossible of use.

\Vhen used in the open air, the lamp-flame is liable to be blown out by sudden gusts of wind, and to prevent this I provide a shield or globe, D, having an opening, 0, for the reception of the wick-tube, and one, 6, for the end of the gas-tube O, as in Fig. 2. The bottom of the shield is perforated, as at f, to supply air to the burner, and it is also formed with two openings, ff opposite the ends of the wicktion between the two, provided with a stopflexible mouth-piece, B, and check-valve b, cock, substantially as and for the purpose set the gas-outlet O, and connection 0, provided forth. with a stop-cock, substantially as and for the 2. In agas-fitterstorch, the shield L, adaptpurpose set forth. 5 ed to inclose the ends of the wick-tube and In testimony whereof I affix my signature in 15 blow-pipe, and provided with suitable flamepresence of two witnesses.

outlets, substantially as shown and described. JOHN G. XVALSH.

3. The vessel A, having a separate lamp- Witnesses: chamber, A, and wick-tube a and tube (Z, in \V. O. MGARTHUR, IO combination with the air-tube B, having a \V. H. COROORAN.

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