US1523205A - Feeder for ingot molds - Google Patents

Description

. B. H. HOWARD ET AL FEEDER FOR INGOT MOLDS Filed NOV. l924 2 Sheets-Sheet l .B. H. HOWARD ET AL FEEDER FOR INGOT MOLDS Filed Nov. 1, 1924 2 Sheets-Sheet 2 Patented Jan. 13,1925.

UNITED sTATEs PATENT OFFICE.

BLoomrIELn II/HOWARD, or WASHINGTON, nrsT-RIoT or COLUMBIA, AND ERNEST J.

. TURNER, or PITTSBURGH, rENNsYLvANIA.

FEEDER FOR INGOT MOLDS.

Application filed November 1, 1924. Serial No. 747,327.

To all whom it may concern:

Be it known that we, BLOOMFIELD H. HOWARD and ERNEST J. TURNER, citizens of the United States, residing, respectively, at Washington, District of Columbia, and Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Feeders for Ingot Molds, of which the following is a specification.

Our invention relates to improvements in feeders for'ingot molds.

The object of our invention is to provide a feeder adapted to be readily inserted into and held upon the upper end of the mold and at the same time provide a feeder that will prevent the formation of what is known as piping and at the same time reduce segregation.

Another object of our invention is to provide a feeder for ingot molds having means whereby it is firmly held in the upper end of the mold, and at the same time provide means to allow for any slight variations in the relative size of the bore of the mold and the exterior diameter of the feeder.

A further object of our invention is to provide a simple, cheap and efl'ective feeder made of refractory material and having certain details of structure and combination of parts hereinafter more fully set forth.

In the accompanying drawmgs:-

Figure 1 is a perspective view of a mold showing our improved feeder applied there to.

Figure 2 is a transverse vertical sectional view of Figure 1.

Figure 3 is a top plan view of a circular feeder. I

Figure 4 is a vertical transverse sectional view similar-to Figure 2showing the u per end of the feeder of a slightly modified form.

Figure 5 is a top plan view of our improved feeder of a rectangular form.

Figure 6 is a transverse vertical sectional view similar to Figure-2 showing the upper end of the feeder of a further modified form.

Figure 7 is a pers ective view of an ingot mold showing'anot er modified form of feeder applied thereto.

Figure 8 is a transverse vertical sectional View of Figure 7.

Figure 9is atop plan view of acircular mold and feeder embodying the form shown in Figures 7 and 8.

F1gure 10 is a transverse vertical sectional view showing a still further modified form of feeder.

Figure 11 is a top plan view partly broken away-showing a fluted feeder applied to a correspondingly shaped mold.

Figure 12 is a top plan view partly broken away showing a circular feeder and mold embodying the form shown in Figure 10.

Referring now to the drawings 1 represents the mold and 2 the feeder. The feeder 2 as shown in Figures 1 and 2 is of a square form having the walls thereof at its upper end thickened as indicated at 3 and the walls 4 at the lower end comparativelythin, and

the upper thickened wall 3 connected to the thin wall 4 by a convex portion 5. The bore 6 of the mold, as clearly shown is of the same diameter throughout its length.

In the modification shown in Figure 4, the thickened upper portion 7 of the mold is connected to the thinner lower portion 8 by a convex portion 9 which is arranged in a greater are of a circle than the convex portion 5 of the form SEOVVD. in Figures 1 and 2.

In Figure 5 we ave shown the mold 1 rectangular, and the feeder 10 of a corre sponding shape.

In Figure 6, the upper thickened portion 11 of the feeder has its outer face convex and starts from the extreme upper end 12 and terminates at the reduced portion 13.

In the modification shown 1n Figures 7 and 8 of the drawings, the feeder 14 has the thickened ortion 15 beveled at its upper end as in icated at 1,6, and the enlarged upper end of the feeder is connected to the lower reduced end by the convex portion 18.

In the modification shown in Flgure 10 of the drawings, the feeder 19 has a very short thickened portion 20, the'entire outer wall 21 being convex and connected to the reduced lower end 22. The bore 23 of the feeder has its lower end beveled as indicated at 24.

In the modification shown in Figure 11 the mold 1 is of a fluted form and the feeder 25 of a corresponding shape to readily fit in the bore of the mold.

In Figure 12 the mold is of a circular form and the feeder 26 ofa corresponding form.

Having thus fully described our invention what We claim is 1. A feeder for ingot molds comprising a body portion having one end of greater diameter than the other end, and connected by a convex portion.

2. A feeder for ingot molds comprising a thickened body portion having a convex portion connecting it to a portion of less 1 diameter.

3. A feeder for ingot molds comprising a body portion having one end of a greater diameter than the other, these two portions connected by a convex portion and holding the feeder firmly in the-bore of molds of different diameters.

4. A feeder for ingot molds comprising a body portion having an unrestricted bore therethrough, one portion of the body of greater diameter than the other portion, and the two portions connected by a convex por tiona 5.'A feeder for ingot molds comprising a body portion, the upper portion of Which'is of a greater diameter than the lower portion and the two portions connected by a convex portion.

'In testimony whereof we afiix our signatures. 1 I

BLOOMFIELD H. HOWARD. ERNEST J. TURNER.

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