US1049043A - Electrical melting and soldering apparatus. - Google Patents

Description

W. M. BOWLES & G. O. ALLEN. ELECTRICAL MELTING AND SOLDERING APPARATUS. APPLICATION FILED MAYS, 1911.

1,049,043, Patented Dec. 31, 1912.

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ATTORNEYS COLUMBIA PLANDURAFH CO.,WASHINGTON. 01C.

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UNITED STATES PATENT ()FFICE.

WILLIE M. BOWLES AND GHARLEY O. ALLEN, 0F SHAWNEE, OKLAHOMA.

Specification of Letters Patent.

Patented Dec. 31, 1912.

Application filed May 6, 1911. Serial No. 625,478.

To all whom it may concern:

Be it known that we, WVILLIE M. BOWLES and CHARLEY O. ALLEN, citizens of the United States, and residents of Shawnee, in the county of Pottawatamie and State of Oklahoma, have made certain new and useful Improvements in Electrical Melting and Soldering Apparatus, of which the following is a specification.

Our invention relates to improvements in electrical melting and soldering apparatus, and it consists in the combinations, constructions and arrangements herein described and claimed.

An object of our invention is to provide an electrical heating device for melting or soldering metals with great facility and with a minimum expenditure of heat.

A further object of our invention is to provide a portable device which can be readily connected to an electric circuit.

Other objects and advantages will appear in the following specification and the novel features of the device will be particularly pointed out in the appended claims.

Our invention is illustrated in the accompanying drawings forming part of this application in which- Figure 1 is a perspective View of the clevice, Fig. 2 is a transverse section there through, Fig. 3 is a section at right angles to Fig. 2, and Fig. 4 is a perspective view of a carbon plate to be used in lieu of the crucible.

In carrying out our invention we provide a base 1 made of any suitable nonconducting material. In the drawing the base is made square, but it may be made in any other suitable shape. The base is provided with a vertical slot 2 in which is disposed a slidable support 3 arranged to be engaged by a ratchet wheel 4 on a shaft 5, which terminates in a hand wheel 6. Upon the top of the base 1 is a series of supports 7. In the present instance these supports are shown as hollow glass rods, bearing at their tops a carbon plate 8 having an opening 9 in its center. Surmounting the carbon plate is a metal plate 10 having an opening 11 adapted to receive a crucible12. The slidable member 3 carries a carbon stick 13 which is arranged to be held in a socket 14 carried by the member 3. A flexible conductor 15 is secured to the socket 14 by means of the binding post 15 The plates 10 and 8 may be secured to the top of the support 7 by means of bolts 16 which pass through the hollow rods and are secured at their ends in the base 1.

From the foregoing description of the various parts of the device the operation thereof may be readily understood.

In the illustrations a crucible 12 is shown. In using the crucible the piece of metal to be melted may be placed therein and the carbon stick 13 may be brought up into contact with the bottom of the crucible by turning the thumb wheel 6. The crucible therefore forms part of the electrical circuit. The other part of the electrical circuit is formed by means of a flexible Wire or conductor 17 (see Fig. 1) which is attached to a carbon pencil 18 held in the metallic socket 19, the latter being inserted in an insulating handle 20. When the metal is placed within the crucible the current is turned on in' the wires 15 and 17 by means of an appropriate'switch, and by touching the metal the circuit is established through wire 15, binding post 15 socket 14, carbon stick 13, crucible 12, through the metal to be melted or soldered, carbon stick 18 and wire 17. The heat is generated where it is needed mosti. 6., between the carbon stick 18 and the metal to be melted, and upon that part of the crucible ;or receptacle upon which the metal rests. The plate 10 serves to keep the crucible in its central position over the movable carbon stick 13.

Instead of using the crucible I may use a comparatively thin carbon plate 21. This may be placed upon the plate "10 and the carbon stick may be brought up until just in contact with it. By manipulating the hand wheel 6, an arc may be produced which is sufficiently intense to heat the carbon plate, and therefore to melt the solder when an article is placed on it.

We claim 1. In an electric melting and soldering device, a base, insulating uprights carried thereby, a plate having a central opening mounted at the top of said uprights, a carbon stick mounted on said base and adapted to move vertically along its axis toward and away from the opening in said plate, a conducting supporting member for the article to be melted or soldered disposed on said plate above said central opening and adapted to be engaged by said carbofistick, a pair of conductors ope oi said conductors being in electrical connection with said carbon stick, the other of said conductors being flexible, and a carbon pencil secured to the end of said flexible conductor and adapted to be brought into contact with the metal on the conducting support.

2. In an electric melting and soldering device, a base, insulating uprights carried thereby, a plate having a central opening mounted at the top of said uprights, a support mounted for vertical movement centrally of said base, a thumb screw for moving said support, a carbon stick carried by said central support and adapted to be moved by the latter toward and away from the opening in said plate, a conducting support for the article to be melted or soldered disposed on said plate over said central opening and adapted to be engaged by said carbon stick, a pair of conductors, one of said conductors being in electrical connect-ion with the support for the carbon stick, the other conductor being flexible, and a carbon pencil attached to the flexible conductor and adapted to be brought into contact with the metal in said conducting support.

WILLIE M. BOWLES. CHARLEY O. ALLEN. \Vitnesses:

IDA CHANDLER, RUFUS H. LONDON.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of I'atents, Washington, D. C.

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