US1207054A

US1207054A - Ingot-mold top.

Info

Publication number: US1207054A
Application number: US5216815A
Authority: US
Inventors: Edward F Kenney
Original assignee: Individual
Current assignee: Individual
Priority date: 1915-09-23
Filing date: 1915-09-23
Publication date: 1916-12-05
Anticipated expiration: 1933-12-05

Description

E. F. KENNEY.

INGOT MOLD TOP.

APPLICATION FILED sEPT.23.1915.'

Patented Dec. 5, 1916.

Enwn r. KENNEY, or wEsITNONr BOROUGH, PENNSYLVANIA.

v INcOr-MOLD TOP.

Specification of Letters Patent.

Patented Dec. 5, 1916.

Animation-med september 23, 1915. serial No. 52,168.

' To all lwhom it may concern:

Be it known that I, EDWARD F. KNN'EY, -a citizen of the United States, residing in Westmont Borough, in tle county of Cambria and State of Pennsylvania, (whose post-oliice address is "Johnstown, Pennsylvania,) have invented certain new and useful Improvements in Ingot-Mold Tops and 'I dohereby declare, the following to be a full, clear, and exact description of the 1 nvention, such as will enable others skilled mthe art to which it appertains to make and use the same.

My invention relates to a non-conductlng top for a metal'ingot mold, whereby the molten metal' which is 'poured therein, 1s maintained fluid at, or near, the top portion thereof, for a longer time than that 1n those portions of the moilds which are adjaage, is :located entirely within the top lcent to, or subjected to the cooling effect of the metal part of the mold. By means of this construction the cavity, due 'to shrinkportion of the in ot, leaving the body of the said ingot soli and of good quality.

My non-conducting top for ingot molds is 4 contained within a casing or flask preferably made of metal adapted to set upon the upper portion bf a metal ingotmold, and may be provided with means for, securing the flask to the top ofthe mold to prevent displacement.A

Within the outer casing or flask is a lining "or body of non-conducting material preferably`formed of dried sand, loam, or similar non-heat-conducting material, this lining being'thick as compared with the casing which is held temporarily in place within the ask by means of pms of wood or fusible' 'metal which project therein froml the flask.

The inner form of the fiask or casing is preferably made tapering with the larger end'downward, and after the 'molten metal is poured within the metal mold and the or hot metal-burns of the wooden pins or melts the fusible pins, allowing the casing to be withdrawn from the non-conducting loam orl sand lining, leaving said lining on the top or sink-head portion of the ingot. `In order to insure that this non-conducting material will remain. around the sides of the sink-head of the ingot, I may provide notches or grooves in the inner surfaces of said` lining or may roughen the same in such non-conducting top, the heat of the molten' ner surface of the lining is suiicient to make i it adhere suficiently to theingot top and enable the fiask to be readily withdrawn. In order to facilitate this withdrawal, I may, if desired, coat the inside of the metal ask with. graphite, talc or soapstone, or may provlde it witha lining of asbestos paper, or other similar material to insure the withdrawal of the flask, leaving the lining substantially intact on the sink-head. After the lining is on the sink-head and the metal of the ingot suiiiciently set, the entire ingot, including the sink-head, and the nonconducting material surrounding the sinkh ead, may be taken and charged into a vertlcal heating or soaking-pit furnace, the action of the non-conducting material continuing during the time when the heat of the ingot'is equalizing in said furnace. In this way ingots may be taken from the metal molds very quickly as soon as their outer skin is set and placed in the heating furnace with the non-conducting material surrounding the sink-head portions, thus permitting a better action in'concentrating the shrinkage cavity in the sink-head portion and also conserving the initial heat of the ingot,

companying sheet of drawings forming part of this specification and in which like characters refer to like parts. Figure l is a vertical sectional elevatio through the' top of a metal ingot mold with my non-conducting top thereon, thisview being taken on the line I-I of Fig. 2; Fig. 2 is a top plan view of the construction shown in Fig. l; and Figs. 3 and f1 are slightly m'odied forins of ask casings which I may use.

Referring now to the characters of reference on the drawingszl indicates 'a metal ingot mold, 2 the lifting lugs thereof, 3 the body portion of the ingot therein; 4 is the casing or fiask forming part of lmy ingot mold top and containingthe non-conducting rot material, 5 the top inwardly extending flange of the flask provided with a downwardly projecting beaded edge 6 around the pouring opening 7 of the ingot mold top. The lifting lugs 4or staples on'the flask are indicated at 8, and 9 indicates the outwardly extending base of the flask, which rests on the top edge of the ingot mold 1. A plur'ality of sockets or holes 10 are formed near. the bottom edge on the inner face of the flask for the reception of wooden,- fusible metal or similar pins 11, which pins are readily destroyed by heat. `.These pins project into the refractory lining 13 of the ingot mold. top for the purpose of tempo-V rarily supporting it prior to pouring the molten metal therein.' j y v After the molten met'al" has been poured into the mold and. substantially iills the top thereof, the heat of said metal burns the wooden pins or melts them if they aremaade of fusible metal, so that the lining is free from the flask. Afterthisis done thev metal flask4 may be withdrawn, leaving the nonconducting lining on the sink-head .15',-l

which, after the cast ingot has cooled orpartially'cooled, contains the shrinkage cavity shown as 16. As shown on the drawings, 12 represents a layer of smooth `and refractory material, such as graphite, soapstone,

talc, or it may be com osed of asbestos pa- ,may be lifted, leaving the lining on the sinkhead portion4 15, of the ingot. rlhe flask 4 of the ingot mold top is secured to the top of the mold in any suitable manner as vby means of clamps '17, one end `of each of which extends over the basel Harige 9 of the flask 4, while the other end of each clamp is received within a notch 18.

Iny Fig. 3. I'have shown a slightly modified form of an ingot moldtop and mold' in which instead of having the lining of the ingot mold top project over the edge of the face of the ingot mold as in Fig.' 1, the bottom inner face of the lining of the mold top is made flush with the inner surface of the mold. The flask 20 has a short bottom flange 21 and the top outer edge of the ingot mold has a short outwardly extending lange 22 by means of which the ingot mold top and mold may be easily secured together by clamps 17.

ln Fig. 4,1 have illustrated another slightly modied form in which the Hask 23 has an 'outwardly extending ange 24 Leonesa' at an intermediate part thereof, the lower end of the flask 23 extending into the top of the mold around the inner ,edge thereof as at 25, and the lining 13 also projects into the mold more or less, to make an ingot of desired length and weight.

Although l have shown and described my improvements in considerable detail, I do not wish to be limited to the exact and specific details shown and described, but

may use such substitutions, modifications or equivalents thereof, as are embraced within ythe scope of my invention, or as pointed out ,in the claims.

Having thus described my inventin, what I claim and desire to secure by Letters Patent is:

1. An ingot mold top comprising acasing seated on and above the upper part of a mold,I said casing being provided with openings at the top and bottom portions thereof,`

and a non-conductinglining therein and adapted to be removed substantially intact therefrom.

Lf2. `An ingot mold top comprising a casingmounted on and, above-the upper portion of an'v ingot mold, said casing being open at the upper and lower .portions thereof a comparatively thick non-conducting lining extending around the inner4 side of the said and adapted to be removed 'siubcasin stantially intact therefrom.

3. An ingot mold top comprising a casing or` boxlike structure with open top and bottom, the lower portion of which is'above and rests upon the top of the ingot mold,

the inner side surfaces ofthe same .being provided with a covering of refractory lubricating material on which-is a nonconducting lining temporarily held in po s1.

tion by means destructible by heat.

4. vAn ingot mold top .comprising a-.asln open top and bottom, a non-conducting 'lining temporarily secured therein, the

lower edge ofthe lining being substantially :coincident with the lower sur/face' of the mold top and adapted to be removed sub.

stan'tially intact therefrom.

5. An ingot mold top comprising a metallic casing, the lower portion of which 'is fitted within the upper end of the ingot mold, .an outwardly extending flange near the lower edge of the casing adapted to-be seated on top of the ingot moldjand a nonconducting lining having a roughened inner surface temporarily secured to the inner side surface of said casing by means destructible by heat.

6. An ingot mold top comprising a fiask,

open top and bottom, a non-conducting lining temporarily secured therein by means destructible by heat, the lower edge of the lining being substantially coincident with the surface of the mold top. 1 l

7. An ingot mold 'top` comprising a ask,

open top and bottom, the lower opening be- In ltestimony whereof I hereunto ailx my ing the larger, adapted to rest on the top of signature in the presence of two Witnesses. an lngot mold, a non-conducting liningl With- EDWARD 'F KENNEY in said flask, secured thereto by means destructible by heat, the lower edge lof the Witnesses:

lining being substantially at the same eleva- FRED A. STAHL, tion as the mold'top. LMER SEAvnY.