US1362877A - Jeweler's torch - Google Patents

Description

J. KREISLER.

JEWELERS I'UIII'LF.

APPLICATION FILED Nov. 3, 1919.

Patented Deo. 21, 1920.

f Vw fluor/wup UNITED STATES PATENT OFFICE.

JACQUES KREISLER, 0F NEW YORK, N. Y.

JEWELERS TORCH.

To all whom t may concern Be it known that I, JACQUES KREISLER, a citizen of the United States, residing at New York, in the county of New York and State of NewYork, have invented certain new and useful Improvements in Jewelers Torches;`

and I do declare the following'to be a full, clear, and exact descriptionof the invention, such as will enable 'others Skilled 1n the art to which it appertains to make and use the same. A

This invention relates to torches, and it has more,V particular reference to a torchl with which a fine regulation of the flame may' be had, it also having 'means forV automatically closing the valve which controls the 4supply of oxygen, land being so designed that it may be easily and readily operated with one hand.

Another object of theinvention is to provide a torch for jewelers use which 1s extrernelyr simple in construction, effective in lnumerals are employed to designate like operation, one which-.is strong, durable and extremely inexpensive to manufacture.

Other objects andadvantages of the, in-

vention will become apparentv during the courseof the 'following description.

' In the accompanying 'drawings forming a part of this Specification and in which like partsl vthroughput the same,

Figure 1 is a side elevation, partly 1n section of 'a torch constructed in accordance with my invention.'

Fi 2 is a sectional view on the -Aplane' of the line 2--2 of Fig. 1.

' In the drawings, wherein for the purpose of illustration isv Showna preferred embodiment ofmy vinvention, the numerals `1. .and-2 of the pipes l'and 2 are screw-threaded innipples or sockets 3 and et` of the head' 5 which is preferably inclined `with respect 56 the'ends of thepipes 1 and The oppo- OXygen I Specification of Letters Patent. Patented Dc. 21,V 1920. 4Application filed-November 3, 1919. `Serial No. 335,253.A

site ends of 4the pipes are corrugated or pro-y vided with grooves adapted to receive or permit rubber fuel supply tubes tobe attached thereto.

The'head 5 is in the form of a cylindrical Shell or barrel and is preferably cast from a single plece o metal. 'Socket 8 is adjacent one end of the head and the other Socket 4' 1s at a p o1nt adjacent the center ofsaid head, both of said sockets vcommunicating with the head 5 through apertures, as shown. One end of the head is closed by a tapered nozzle 6, which is preferably threaded therein and which is provided with a centrally Adisposed bore 7 extending therethrough. This bore 7 is of a greater diameter at the inner end of thev nozzle, which construction serves to project a'thin needle-like flame therefrom which is essential in jewelers work. Such construction will also prevent back-firing of the flame -into the head 5. The opposite end of the head is closed by a unitary nee-1V dle valve structure indicated as a whole by the numeral 8, and which includes a valve 10, packing members 11 and 12, 'and a valve actuating spring 13. The Spring 13 surrounds the valve 10 and normally holds y it to' its seat 14. T he bushing 9 serves to keep or hold the spring 13 under compression. With theyabove construction it will be seen that a"stufling -box for the valvef 10 will be had and leakage thus prevented. The Seat 14 is also cast integral with the head 5 and is disposed at a point adjacent the'center, and includes a neck 15 which extends below or beyond the inlet opening 4. With this construction it will be seen that the .oxygen passing from the pipe 1 and through thevalve seat 14 and neck 15 will carry the gas with it on its wayA through the nozzle 6. The needle valve 10 is operated by a handle or lever 16. This handle is preferably'pivoted between the upstanding ears or lugs 17 which are also a part 0f the cast head. 5. Handle 16 is 'forked as shown in Fig. 2, and it straddles the needle valve 10 beneath the adjusting nut 18 which is threaded on the outer end of the needle valve 10. Valve 10 is normally held closed by -the spring 13, but when it is desired it may be normally held-.sli htly openl by. adjusting the nut 18, as is o vious.

- A controlling valve 19 is placed in a convenient position in the gas supplyf pipe 2 and it is operatedpby'a handle Hence, it `will be seen that the lever or handle 16 and handle 20 may both be conveniently operated with one hand.

To obviate the necessity of using ay match yevery time it is desired to vuse the torch I preferably e uip the device with a pilot pipe 21 and smal screw valve 22, whereby a constant lightgmay be had at a small exense.

found extremely effective for useby jewelers in that it is very light, and the parts are so` arranged that the entire device "may be held and operated by one hand while 'the vobject being worked on may be held with the other hand. The construction of the nozzle 6 is such that a very line, or sharp flame, will be projected therefrom, which is very essential p to jewelers. It'will also be seen, that as soon A torch of the above 'construction will bedescribed my invention, I

the lower end of the head, this plug having -a bore extending therethrough which is de-l creased in diameter at its outer end to retard the passage of fuel therethrough; the

" inner end of said plug being recessed to pro.

as the handle '16 is released, theV valve 10- will be automatically closed, which of course is also convenient and saves fuel. Another point which I particularly desire to emphasize is 'the fact ythat the entire head 5, including the already mentioned parts, is made from a single 'casting which is extremely inexpensive toboth the user and the manufacturer. Torches of this general, ltype already patented, are all very heavy,

and the arrangement of the' valve, and its actuating means is such that these devices would not, and couldnot be used to advantage by jewelers..y On the other hand, my torch will overcome these disadvantages and will be found very convenient and effective, as it is'particularly designed for fine work-,

fmanship.

vide an entrance to the bore for the fuel, an inte ral partition disposed in the head intermediate the ends, of the same and spaced from the inner end of said plug, forming a valve seat and vdividing the head into upper and lower chambers, the latter of which constitutes a mixing chamber for air and gas', a relatively short-neck carried bythe valve seat and depending into the mixing chamber, the same being spaced from the inner The manner of using and operating the A device is thought to be obvious from the foregoing description, and-further descrip-V tion thereof is deemed unnecessary.

It is toV be understood that the form `of my invention herein shown and described is to be taken asa preferred example-of the end `of said-plug and extending to Aa point slightly beyond the lower port 1n the head,

:said seat' and neck having a passage-extendiiigtherethroughpwhich is alined-with the .bore in the plu a secondl internally screw,-

threaded, bore plug tapped into the opposite end of the head, a needle valve extending through the-bore of this plug and spring lsurrounding the' valve between the seat and the last named plug, serving to retain the valve normally closed, and an operating handle mounted on one vof the fuel feed pipes and co-actingl with the exposed same, and that various changes'in tlvleshapr;l size and arrangement of parts mayfbefre-j;

sorted to without departing from the Aspi-rit my hand,

Aportion of said valve for-.actuating it.I

In testimony'whereof lhavevhereunto set vJACQUES KnEI'sL-ER.

,sis

beyond the outer end of the latter, a coiled

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