US1099769A - Pouring-nozzle for ladles. - Google Patents

Description

J. E. SHEAPPER.

POURING NOZZLE FOB. LADLES.

APPLICATION FILED DEO..17, 1913.

Patented. June 9, 1914.

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" ITE ST JES E. SHEAFFER, OF BURNHAIVI, PENNSYLVANIA.

POURING-NOZZLE FOR LADIES.

roegvea Specification of Letters Patent.

Patented June 9, 1914.

Application filed December 1'7, 1913. Serial No. 807,284.

To all whom it may concern Be it known that l, JAMES E. SHEAFFER, a citizen of the United States, residing in Burnham, county-of lt liftlin, State of Pennsylvania, have invented certain improvements in Pouring-Nozzles for Ladies, of which the following is a specification.

One object of my invention is to make a nozzle for a pouring ladle with an enlargement or reservoir some distance from the mouth thereof.

A further object of the invention is to make the pouring nozzle in two parts.

A still further object of the invention is to construct the nozzle so that a portion can be withdrawn to allow for the removal of the metal from the nozzle in case of freezing.

These objects and other advantageous ends l attain in the following manner, reference heing had to the accompanying drawing, in which F igure 1, is a sectional view of sufficient of a pouring ladle to illustrate my invention, showing the stopper in its closed position; Fig. 2, is a perspective view of the upper half of the nozzle; and Fig. 3, is a perspective view of the lower half of the nozzle.

Referring to the drawings, 1 is a portion of a ladle made in the ordinary manner.

2 is the upper half of the nozzle, and 3 is the lower half. The form of the nozzle is clearly illustrated in Figs. 2 and 8. The

lower half of the nozzle is held in place by a cap plate a secured to the underside of the ladle. In the present instance, there is an annular groove 5 in the lower sect-ion of the nozzle to receive an annular rib on the upper section of the nozzle. The cap plate can be secured to the ladle in any suitable manner so that it can be readily removed to detach the nozzle from the ladle. 7

7 is the stopper made in the ordinary manner, as illustrated in the drawing, and this stopper can be raised and lowered to allow the molten metal to flow from the nozzle or to stop the flow, as illustrated in Fig. 1.

8 is a reservoir formed partly in the upper portion of the nozzle and partly in the lower portion thereof, and this reservoir, in the present instance, has inclined walls as shown.

9 is a passage in the upper portion of the nozzle communicating with the reservoir. This passage has a flared mouth 10 to receive the end of the stopper 7 and to allow for the free flow of the molten metal into and through the nozzle. In the lower portion of the nozzle is a passage 1]. of the same diameter as the passage 9 and this passage communicates with the reservoir 8 so that the molten metal, as it flows through the nozzle, will first flow into the reservoir 8 and accumulate therein before flowing through the passage 11. The reservoir breaks the flow of the fluid as it passes through the nozzle and, consequently, prevents to a degree the cut ting action of the fluid and a more perfect stream is discharged from the nozzle. If, for any reason, the metal, should freeze or become hardened, then the lower half of the nozzle can be readily detached and the projecting plug of metal can be broken off and the lower half of the nozzle can be replaced, or, if it is broken, a new section can he readily located in position.

The common method is to use a single piece pouring nozzle and, where a great volume of steel is being poured from the ladle, the force of the metal in making castings has a tendency to destroy the facing and to break oil sharp corners and to destroy delicate cores, and, in pouring large castings, it will strain the cope in many instances and sheet the casting. Furthermore, in pouring ingots, when a nozzle without a reservoir is used, the metal has a tendency, through the violence of the stream, to burn the ingot fast to the bottom plate and to cut the mold wherever the metal strikes it, but my improved nozzle eliminates these disadvantages, as the metal, under great force, passes through the upper section of the noz- 21's and when it reaches the reservoir and spreads, it follows the interior surface of the reservoir, striking the top angle'of the lower section, which breaks its force and permits the steel to concentrate its flow into a direct course through the nozzle with abated force.

In Pouring steel into flasks, the damage from cracked nozzles is exceedingly great and the stream hitting the side of a gate or head carries dirt into the flask. The same damage is caused in pouring steel into molds, causing a streak or fin of chilled metal to form along the side of the mold and the heat of the metal as it rises in the mold is not suiiicient to melt the same; consequently, there is a urface defect formed in the ingot and this defect oftentimes makes it necessary to scrap the ingot. With a sectional nozzle, as illustrated, this condition has been eliminated and should a crack occur in the nozzle it never takes place in the lower section 3. Moreover, by the use of the double section nozzle with a reservoir, as illustrated, the admission of air to the upper section of as the reservoir is being constantly filled with metal during the process of pouring and another important feature, which has been repeatedly demonstrated, is that, in the event of an accident to the crane, or should the metal be chilled in the nozzle, the nozzle plate may be removed and the lower section 3 of the nozzle taken out, thus permitting the removal of the chilled steel core, as mentioned above, after which the lower section of the nozzle can be replaced and the metal can be poured through the nozzle.

1 claim 1. A pouring nozzle for ladles having a passage therethrough, said passage being enlarged some distance from the upper end thereof, the passage being substantially the same diameter above and below the enlargement. i

2. The combination in a ladle, of a pouring nozzle made in two sections; and a res ervoir formed at the junction of the two sections.

3. A ladle having a pouring nozzle made in two sections, each section having a passage therein, one passage being in line with th other; a reservoir at the junction of the two sections, said reservoir being formed partly in one section and partly in the other section of the nozzle.

4:. A ladle having a pouring nozzle made in two sections, each section having a pasthe nozzle is prevented,

sage, the passage in one section being in line with the passage in the other section; and a reservoir of greater diameter than the passage, said reservoir having conical walls, the upper portion of the reservoir being formed in the upper section of the nozzle and the lower section of the reservoirbeing formed in the lower portion of the nozzle.

5. A. pouring nozzle made in two sections, each section having a passage therein, the two passages being in alinement, the nozzle having a reservoir formed at the junction of the sections; and an annular rib on the end of one section, the other section having an annular groove therein, the rib extending into the groove when the sections are assembled.

6. The combination in a ladle, of a two part nozzle, each part having a central passage of the same diameter, one passage being in line with the other; a reservoir formed partly in one section of the nozzle and partly in the other section thereof, an annular rib on one section arranged to enter an annular groove in the other section; a cap plate for retaining the lower section of the nozzle in position, said cap plate having a passage for the molten metal, the upper section of the nozzle having a flared opening; and a stopper arranged to close said opening.

In testimonywhereoii, I have signed my name to this specification, in the presence of two subscribing witnesses.

JAMES E. SHEAFFER.

Witnesses WM. H. WHEN, W. E. MArrz.

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