US596897A

US596897A - Metals

Info

Publication number: US596897A
Authority: US
Publication date: 1898-01-04
Anticipated expiration: 1915-01-04

Description

(No Model.) 3 Sheets-Sheet 1.

W. E. MAY.

APPARATUS FOR CASTING METALS.

No. 596,897. Patented Jan. 4, 1898.

Witnesses I s Sheets-Shet 2. W. E. MAY.

APPARATUS FOR CASTING METALS.

Patented Jan. 4, 1898.

m J, W U i M 6 y n x x 2 \M (No Model.)

WLZJWSQ. 91. 1, 1

(No Model.) s Sheetssheet'ii.

W. E..MAY. v APPARATUS FOR. CASTING METALS. No. 596,897. Patented Jan. 4,1898.

NITEI) STATES PATENT amen.

IVILLIABII ELLIS MAY, OF LONDON, ENGLAND, ASSIGNOR TO THE ELLIS MAY VACUUM STEEL SYNDICATE, LIMITED, OF SAME PLACE.

APPARATUS FOR CASTING METALS.

SPECIFICATION forming part of Letters Patent No. 596,897, dated January 4, 1898.

Application filed February 5, 1897. Serial No. 622,183. (No model.)

To all whom it may concern: through the chamber at right angles to Fig.

Be it known that LWVILLIAM ELLIS MAY, 'a 2, and Fig. 4 is a sectional view of means for subjectof the Queen of GreatBritain, residing clamping the top of the chamber to the sides at Bromley, London, in the county of Kent, thereof.

5 England, have invented new and useful Ima is the working or operating chamber,

provements in Apparatus for Casting Metals, which is preferably buried in the ground to of which the following is a specification. the depth of the sides, and h is the removable Thisinvention relates to the casting of mettop of the same, the said top and sides of the als in some, as described in the specification chamber being provided with flanges c c, be-

10 of my former patent, No. 481,799, wherein a tween which a suitable air-tight packing d is system of store vacuum-chambers is described placed, screw-clamps e, such as that shown in in connection with working or operating Fig. 4, being sometimes employed to increase chambers in which a vacuum is maintained the pressure upon the packing. while the casting is being performed, the obb b are glazed sightholes in the top or cover 1 5 jects of mypresent invention being to facilib to enable the operations carried on within tate the casting operation and to simplify the the chamber to be observed. construction of the apparatus. a is the pipe connecting the working cham- In carrying out my invention I construct her with the store vacuum-chamber, a being and arrange the working or operating chamthe valve in the said pipe for shutting off comzo here as follows-that is to say, I provide a munication between the said chambers. chamber preferably buried in the ground to fis the ladle for containing the molten metal the depth of the sides and having a removbefore it is run into the molds, f being the able top and adapted to contain a series of hole at the bottom of the same for running the molds. The ladle is supported in and hermetal.

'25 metically closes a central opening in the top f is the plug which serves to close the hole of the chamber and has a hole at the bottom f, any suitable mechanism being employed for running the metal, a plug operated by any for operating the said plug. In the arrangesuitable mechanism being used to close the ment shown I have illustrated the plug as besaid hole. Achute or runner-is arranged with ing operated by a rack g, pinion g, and star- 39 one end beneath the hole in the ladle and is wheel 9 althoughit is obvious that anyother adapted to turn in a bearing, while the other suitable means can be employed. end or mouth is supported by Wheels on a cirh is the runner for conveying the molten cular railway, on which it can be moved by metal from the ladle to the molds 1'- 'i. The suitable mechanism, so as to direct the metal runner has one end arranged to turn in a bear- 35 from the ladle to the several ingot-n1olds aring formed in a plate 72/ beneath the ladle,

ranged in a circle in the vacuum-chamber. while the other end or mouth is supported by \Vhen the molds are filled, the top and ladle Wheels 72. on the circular railway 77.3, on which can be removed and used in connection with it can be moved so as to direct the metal from another series of molds. An air-tight packthe ladle to any one of the in got-molds 2' 2', the

40 ing is employed between flanges on the sides said molds being arranged in a circle for the and top of the chamber, and in some cases purpose. Mechanism for actuating the said screw-clamps are employed to increasethe runner advantageously consists of a wormpressure on the packing. wheel 71, attached to the runner, and aworm To enable my invention to be clearly under- 72. engaging with the said worm-wheel and 45 stood, I will describe the same by reference actuated from the outside of the chamber by 5 to the accompanying drawings, in whicha star-Wheel 7L6. I

Figure l is a plan, With part of the top or By forming the tops or covers detachable cover removed, of apparatus constructed 2.0- from the chambers one top or cover can be cording to my invention. Fig. 2 is a section made use of in connection with several cham- 50 on the line 2 2, Fig. 1. Fig. 3 is a section bers that is to say, after the molds in one chamber have been filled the top or cover can be removed and used in connection with another chamber.

Having now particularly described and ascertained the nature of my said invention and in What manner the same is to be performed, I deolare that what I claim is- 1 In apparatus for casting metals the combination with a x aeuum-oharnber the cover of which is provided with a ladle, of a runner rotatably mounted at one end in bearings, of a circular railway on which the other end or mouth of the runner moves and of means for rotating the runner, substantially as described.

In apparatus for casting metals the combination with a vacuum-chamber the cover of which is provided with a ladle, of a runner rotatably mounted in bearings at one end, of a circular railway on which the other end or mouth of the runner is supported and of worm gear for rotating the runner, substantially as described.

3. Apparatus for casting metals consisting of the vacuum-chamber a, cover I), ladle f, plug f runner h, circular railway 71, Wormgear 714, ha and molds 11, substantially as described. Y Y

WILLIAM ELLIS MAY. Witnesses:

G. F. REDFERN, G. F. TYSON.