US570656A

US570656A - Blowpipe

Info

Publication number: US570656A
Authority: US
Publication date: 1896-11-03
Anticipated expiration: 1913-11-03

Description

*(No Model.) Y A. D. BARRETT.

BLOW PIPE.

No. 570,656. Patented Nov. 3, 1896.

Mary? ey S5 es TME onus crus cc.. moro-urne.. wAsumm'oN, uA cv UNITED STATES PATENT OFFICE.-

ADDISON D. BARRETT, OF NORFOLK, VIRGINIA.

BLOWPIPE.

SPECIFICATION forming part of Letters Patent No. 570,656, dated November 3, 1896.

Application filed September 9,1896. Serial No. 605,342, (No modela To (t/f whom t 11ml/ concern:

Be it known that I, ADDISON D. BARRETT, a citizen of the United States, residing at Norfolk, in the county of Norfolk and State of Virginia, have invented certain new and useful Improvements in Blowpipes; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in devices for forcing a jet of flame against articles to expedite the heating of the same; and its novelty and advantages will be fully understood from the following description and claims when taken in conjunction with the annexed drawings, in Which- Figure l is a longitudinal section of my improved device with a portion in elevation, and Fig. 2 is a section taken in the plane indicated by the line of Fig. 1.

Referring by letter to the said drawings, A indicates a tube, of rubber or other compressible material, which is designed to be suitably connected to a source of gas supply.

B indicates a metallic tube which is con-` nected in a gas-tight manner to the tube A, and C indicates a nozzle which is brazed on or otherwise suitably connected to the forward end of the tube B and is disposed at about the angle shown to the same, and has its lower end contracted, as indicated byu, for a purpose presently to be described. This nozzle C receives the socket-sleeve D, which is brazed on or otherwise suitably connected to it at its upper end and eXtends'to a point adjacent to its contracted end a, as shown.

E indicates the blowpipe o f my improved device. This pipe E is preferably tapered or gradually reduced in diameter toward its forward end, as shown, and it is provided at such end with the angularly-disposed nozzle F, which is reduced in diameter or tapered t0- toward its discharge end to conform to the socket-sleeve, in which it is inserted, and is provided at such discharge end with the enlargement b, designed to tit snugly in the socket-sleeve and thereby prevent the escape of air between the nozzle and said socketsleeve.

At about the point shown upon its nozzle F the blowpipe E is provided with the collar G. This collar G bears upon the upper end of the socket-sleeve and is designed for the engagement of the keepery H, the purpose of which is to retain the nozzle of the blowpipe in the socket-sleeve.

The keeper H is bifurcated at one end, as indicated by c, so as to enable it to straddle the blowpipe above the collar G for the purpose stated, and it is provided at its opposite end with the collar d, which loosely surrounds the tube B and serves toconnect it thereto. In virtue of this construction it will be observed that the keeper may be readily moved into engagement with the blowpipe, so as to secure the nozzle thereof in the socket-sleeve D, and may as readily be moved out of engagement with the blowpipe to permit of the removal of the same from the socket-sleeve.

In practice the compressible tube A is connected with a source of gas supply, (not illustrated,) and the blowpipe E is connected with a suitable bellows or the like, (also not illustrated,) or said blowpipe may be adapted for the application of the operators mouth at one end. When it is desired to use the device, the gas is turned on and is ignited at the discharge end of the nozzle C. The operator then graspsthe tube B with one hand and the compressible tubeA with the other and holds the discharge end of the nozzle C at the desired distance from the article to be heated. By compressing the tube A,'1nore or less, with his thumb and lingers the operator is enabled to provide a small or large jet of flame, as desired, and is also enabled to effect a material savin g of gas, which is a material advantage.

The manner described of connecting the blowpipe to the tube B permits of the said blowpipe swinging freely, so as not to interfere with the movements of the tube A and tube B in the hands of the operator.

The socket-sleeve D is not essential to my improved device, and when desired it may be omitted, in which the collar G of the blowpipe .will be made to rest on the upper end of the nozzle C.

Having described my invention, what I claim isl. The device described for forcing a jet of iiame against articles to be heated comprising a tube, a nozzle C, secured upon one end of the tube and disposed at an angle thereto and TOO having its opposite ends open, a blowpipe having a nozzle inserted in the nozzle C, and also having a collar-flange, and a keeper bifuroated at one end so as to straddle the blowpipe above its collar-flange and having a eollar at its opposite end loosely mounted ou the tube, substantially as specified.

2. The device described for forcing a jet of i'lame against articles to be heated comprising a colnpressible tube, a metallic tube connected therewith, a nozzle C, secured upon one end of the metallic tube and disposed at an angle thereto and having its opposite ends open, a socket-sleeve arranged in said nozzle ADDISON D. BARRETT.

Writnesses: Y

CORA V. GRIFFIN, Il. E. DUPUY.