US1074901A - Melting and casting pot. - Google Patents

Description

T. G. SHEEHAN.

MELTING AND CASTING POT.

APPLIOATION FILED MARS, 1907. RENEWED MAR. 20, 1913.

1L,@?4 9@L Patented 0011.7,1913.

2 SHEETS-SHEET l.

T. 0. SHEEHAN.

MELTING AND CASTING POT.

APPLICATION FILED MAK.8,-1907. RENEWED MAR. 20, 1913. LQ'MQUIL Patented 0607,1913.

2 SHEETS-SHEET 2.

Elvwentoz Witnmoeo for drawing Tn-oM-Asc. SHEEHAN;

nn rnr onnrcn or JEnsnY our, new .IEREEY, assrsnon, BY iansnn. assren- MENTS, T0 AUTOMATIC F-UBNHCE OOMPAN'SE, 0F NEW YOBK N. Y., A CORPORATION OF NEW YORK.

Specification of Letters Patent.

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llPatentedttTct. "F, 119113.

Serial No; seeae Divided! and: this application filedillttarchxfi; Renewed mach 26,1913! Serria no; 755,786:

To all whom it may concern:

Be it known that I, THoMAsC; SHEEHQN, a citizen of the United States, residing at Jersey City, State of' New Jersey, have inventeda new and useful ,Melting and Casting Pot", of which the following is a specification;

This invention relates to a casting'apparw t us for, casting slugs or pigs adapted to be employed in linotype or monotype casting machines and the like.

The principal objects of the invention are to provide eilicient :and convenientmeans away the products of combustion' and the gases from the molten metal, for stirring or puddling' the molten metat when desired, for drawing 03" the" metal from the potin the desired quantities, and generally to improve and simplify apparatus of this character.

Reference is to be had to the accompanying drawings for a representation of' oneembodiment of this invention, in which,

Figure 1 is a front elevation thereof, and Fig. 2 is a central vertical sectional view of a portion of the apparatus showing the pot itself on an enlarged scal'e.

This is a division of my application for patent filed December 7, 1906, Serial No.

The melting pot 25 is of a substantially hemi-spherical shape that is well known'in' apparatus of this kind and is provided with aflange 160 at the top, which rests on the top of a supporting casing 12. The pot is provided with an. outlet opening 26 t a pouring spout'27. This opening is in heformof a depression-from the lowest po t of the pot and as all sides of the pot sla t down toward it, it will be seen that it is adapted to receive every particle of metal which may be melted in the pot. The opening 26 terminates in a flange 28 against which is located a pouring valve seat 29 separated from the flange, and from the pouring spout =27 by sheets of asbestos 17 and detachably secured to the flange by bolts 18 or the like, passing through the body of the pourin spout itself. The pouring'spout is provi ed with an inclined outlet 30 which is at all points lower than the opening 26 in the melting pot and consequently is welladapted to drain all metal therefrom. Normally seated against the in thecounty' of Hudson and.-

valve seat is a=va'lve- 31 mounted on a stem 32* provided with screw-threads 33. This stenr is reduced at the end and extends throughabearingin the pouring'spout; It"

isprovidedwith' an arm- 3 l fixed to its end, this arm being provided with' means for preventing the valvejstem from turning. This means is shown in the-formof' a pin 35 parallel with the stem and reciprocating in an opening in the pouring spout;- In order to'provide-for" manipulating the valve so as tomoveit t ow-a'rd and? from its seat, a nut 383s mounted on the screw-threaded portion t-hereof and this not is provided witha' handie 37''. Thenut 36" is located in a space 38 in the-body of the pouring valve casing andas thisspace is substantially the same length as the nutgith'elatter cannot move longitndi nally; its oscillation having the effect oh moving-the valve backand forthto and from'itsseati InFig: 1 isshewn'a hood40 adapted to be placed on=the-top of the melting pot flange to receive the gasesgiven on from the molten metal -and connected if desired with adraft pipe 41. The products of combustion from thegas flame are led through a pipe 42 to the draft-pipe. The hood is' preferably pro- .vided with a door 43 through which access may be hadtoa stirring.- or puddling device located in the melting pot. This device "consists-of a bow-shaped frame having opens ings therein through which the metal may pass and pivoted on bearings 15 located on the flange 160 or in any other convenient positi on. This puddler partakes of the shape'of the pot, the bottom of which is preferably hemi-spherical. Therefore, the puddler can be of semi-circular shape having its bearings at the center of the circle and can be rocked on the bearings by means of a handle 46 so as to pass over the bottom surface of the pot, and not only puddle and agitate the metal, but if necessary, scrape any adhering particles from the inside surface of the pot.

From the above description, it will be obvious how the puddler is used and also how the metal is dischar d from the melting pot. a By the construction of the c'asting apparatus on the principles set forth above, whether in the exact form illustrated or not, but within the scope of the claims, it wil be seen that a melting pot is provided which will melt all the metal placed in it and dis charge it all through the spout. Furthermore, the pouring valve is efiiciently operated in a most simple manner; also the products of combustion and waste gases from the molten metal are easily and efficiently Withdrawn; the puddling of the metal is efliciently provided for by the puddler and the casting of the same is readily and quickly accomplished in any mold that it may be desired to use. I

lVhile I have illustrated and described a particular form in which my invention may be embodied, I am aware that many modifications may be made therein by an person skilled in the art within the scope of the claims. Therefore, I do not wish to be limited to the particular construction shown and described; but

WVhat I do claim is 1-. A melting pot comprising a hemispherical bottom and an open top having an out: wardly extending top flange, and provided with a mixing or puddling device consisting of a semicircular metallic strip having transverse perforations and substantially fitting said bottom, and provided with outwardly extending pivots at the top resting on said flange, and a handle projecting up from one of the pivots.

' 2. In a casting apparatus, the combination of a melting pot having a depressed outlet trough, a valve seat movably mounted adjacent to the mouth of said trough, a pouring spout mounted on the valve seat, and

7 means for detachably securing the spent and seat on the mouth of the pot.

3. In a casting apparatus, the combination of a melting pot having a depressed outlet trough, a valve seat movably mounted adjacent to the mouth of said trough, a pouring spout mounted on the valve'seat, means for detachably securing the spout and seat on the mouth of the pot, and heat resisting packings located between the valve seat and the mouth of the trough on one side .and the pouring spout on the other.

4. In a casting apparatus, the combination of a melting pot having a depressed outlet trough, a valve seat, a valve for said seat, the stem of said valve having a screwthread, means for preventing the valve from turning, and a nut for said screw-thread.

5. In a casting apparatus, the combination of a melting pot having a depressed outlet trough, a valve seat, a valve for said seat, the stem of said valve having a screw-thread, means for preventing the valve from turning, a nut'for said screw-thread, a handle for operating said nut, and means for preventing longitudinal mot-ion of the nut.

6. In a casting apparatus, the combination of a melting pot, a valve seat therefor, a pouring spout, a valve having. a screwthreaded stem and provided with a pin parallel to said stem, said pouring spout having a socket for said pin to prevent the stem from turning, said pouring spout also having a recess, a nut located in said recess and fitting the thread on the valve, and means for turning said nut.

In testimony whereof I have hereunto set my hand, in the presence of two subscribing itnesses.

THOMAS C. SHEEHAN. WVitrfesses:

S. W. APGAR, D. A. SHEEHAN.

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