US1042092A - Art of casting steel. - Google Patents
Art of casting steel. Download PDFInfo
- Publication number
- US1042092A US1042092A US56488510A US1910564885A US1042092A US 1042092 A US1042092 A US 1042092A US 56488510 A US56488510 A US 56488510A US 1910564885 A US1910564885 A US 1910564885A US 1042092 A US1042092 A US 1042092A
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- US
- United States
- Prior art keywords
- casting
- metal
- mold
- art
- steel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
Definitions
- EDGABA EDGABA.
- y runner or runners of the mold contains a The mold a is formed of such material, suiicient quantity of molten metal to insure the complete filling of the mold chamber'and that the quantity of metal which must bemelted and poured for each casting, in excess of that which actually enters into the casting, is very small as compared with the quantity which must be melted and poured when the casting is allowed to cool slowly in a sand mold and a large sink head is necessary to insure the filling of the pipe formed by the gradual and consequent slow setting of thebody of the casting, as in the methods heretofore generally in use.
- the labor necessary to handle the su riiuous metal and prepare it for remeltlng is small as compared with' that necessary t0 handle' and prepare for remelting the large masses of metal contained in the usual sink heads.
- the improvement in the art of casting steel which consists in cooling the metal as it lls the mold quickly and progressively and pouring the metal so as to keep pace with the1 rogressive setting of the metal in the mo 3.
- the improvement in the art of casting steel which consists in continuously pouring the metal into the mold chamber throughA a lono gate and cooling the metal as it lls the mod quickly and progressively, the pour ing of the metal into t e mold being at the same rate at which the metal sets.
Description
E. A. GUSTER.
ART 0F CASTING STEEL.
` APPLIGATION FILED xmms, 1910.
1,042,092. Patented 0et.22,1912.
www .f5 am UNITED sTATEs PATENT oEEIcE.
EDGABA. cUsTEn, -oP PHILADELPHIA, PENNSYLVANIA, AssIGNon To THE cUsTER -sANDLEssJcAsTING COMPANY, or` PHILADELPHIA, PENNSYLVANIA, A coRPonA- TIoN or DELAWARE. l'
ABT or CASTING STEEL.
1,042,092. ,y Specification f Letters Patent Patented Oct. 22, 1912.
Application led June 3,1910.. Serial No. 564,885. v
To all whom it may concern: preferably of iron, and is of such bulk that it Be it known that I, EDGAR A. CUSTER, a will rob the casting swiftly of its heat, causcitizen of the United States, residing'in the ing the molten metal to cool so rapidly that city of Philadelphia, in the State of Pennit will set as it isppoured into the mold. Sylvania, have invented certain new and use- The mold is provided with a runner b which ful Improvements in the Art of Casting extends practically throughout the full Steel, of which the following is a specicalength of the casting and communicates with tion, reference being had to the accompanythev chamber c of the mold practically ing drawing, forming a part hereof. throughout itsr length, through a long gate On account of the excessive shrinkage or a long succession of' gates d.' The metal which takes place in cast steel, when coolingv is poured into the mold somewhat slowly and 6.5
slowly in sand molds, from a ymolten condisets as it is poured. If the pouring of the tion, it has been necessary heretofore toprometal should be stopped at any point, when vide for each mold one or more sink heads," only a portion of the chamber of the mold that is, temporary receptacles, connected had been filled, as indicated at e, the metal with the mold, to contain a body of molten would shrink and set with a conical cavity or metal sufficient to ll the pipe or hollow pipe f in its upper surface. The pouring of which otherwise develops in the casting dury the metal, however, is not checked but is ooning the-slow cooling. The casting thus betmuous, keeping pace with the rise of the comes solid, the pipe or hollow being formed line of setting of the metal in the chamber A1n the sink head where it does no harm.' ofthe mold until the chamber of the vmold is 75 is process of casting steel, however, inlcompletely filled and the casting is fully volves much expense as compared with the formed, the cavity or pipe wh1cl-r would value of the metal in the casting; a much otherwise be formed at the top of the castlarger volume of metal than is actually reing being filled from the top of the gate. quired for the casting must be prepared, `The volume of molten metal which may rethereby involving additional expense in main at the top ofthe casting whenlthe chammelting, and the sink head must be cut olf ber is filled is small and the shrinkage is from the casting and broken up for remelttherefore so slight in comparison with that ing, thereby involving much labor. of theremaiuder of the casting that its ef- 'Ihe present invention has for its object to fect is negligible and the nal result is a 85 produce solid steel castings without the use solid casting from end to end. of sink heads and therefore to reduce very From the above description it will be unlargely the cost of making steel castings as derstood that wherever it is stated that the compared with methods now in use. metal is poured so as to keep pace with the In accordance with the invention the steel progressive setting'of the metal in the mold 90 casting` is cooled quickly, as by being castl that it' is meant that the pouring of the in an iron mold of suficient bulk to rob the metal is continued as the setting of the casting swiftly of lits heat, rather than metal in themold progresses and in proporslowly, as in the usual method, and the point tion to the progress of the line of setting of o pouring of the molten meta-l into the the metal in the mold. mold itself is moved. progressively, so as to It will be understood that the pouring of keep pace with the point of setting of the the met-al so as to keep pace with the promolten metal in the mold as it progresses gression of the line of setting can be accomfrom the bottom to the top or from one end plished by varying the size of the runner to the other. and gate or gates to suit the shape and size 100 The invention will be more fully exof the chamber `within the mold. It will plained hereinafter with reference to the acalso be understood that one or more runcompanying drawing which represents, ners with the necessary gates may be propartly in outline and partly in section, so` vided as the nature ofthe casting may remuch of a mold and of the process of casting quire. 105
therein as is necessary to enable the inven- It will be seen that the upper part of the tion to be understood. y runner or runners of the mold contains a The mold a is formed of such material, suiicient quantity of molten metal to insure the complete filling of the mold chamber'and that the quantity of metal which must bemelted and poured for each casting, in excess of that which actually enters into the casting, is very small as compared with the quantity which must be melted and poured when the casting is allowed to cool slowly in a sand mold and a large sink head is necessary to insure the filling of the pipe formed by the gradual and consequent slow setting of thebody of the casting, as in the methods heretofore generally in use. It will also be seen that the labor necessary to handle the su riiuous metal and prepare it for remeltlng is small as compared with' that necessary t0 handle' and prepare for remelting the large masses of metal contained in the usual sink heads.
' I claim as my invention:
1. The improvement in the art of casting steel which consists in coolin the metalas it fills the matrix of the mo d so that the metal will set throughout the casting at the same rate at which it is poured.
'2. The improvement in the art of casting steel which consists in cooling the metal as it lls the mold quickly and progressively and pouring the metal so as to keep pace with the1 rogressive setting of the metal in the mo 3. The improvement in the art of casting steel which consists in continuously pouring the metal into the mold chamber throughA a lono gate and cooling the metal as it lls the mod quickly and progressively, the pour ing of the metal into t e mold being at the same rate at which the metal sets.
This specification signed and witnessed this 26th day of May, A. D. *1910.
EDGAR A. CUSTER.
Signed in the presence of- AMBRosE L. OSHEA, ELLA J. KRUGER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56488510A US1042092A (en) | 1910-06-03 | 1910-06-03 | Art of casting steel. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56488510A US1042092A (en) | 1910-06-03 | 1910-06-03 | Art of casting steel. |
Publications (1)
Publication Number | Publication Date |
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US1042092A true US1042092A (en) | 1912-10-22 |
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Family Applications (1)
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US56488510A Expired - Lifetime US1042092A (en) | 1910-06-03 | 1910-06-03 | Art of casting steel. |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860392A (en) * | 1955-12-08 | 1958-11-18 | James M Mccracken | Gate brick |
US3838729A (en) * | 1971-11-05 | 1974-10-01 | Nat Etudes Et Rech Aerospatial | Method for making a casting of a directionally solidified alloy |
US3886994A (en) * | 1971-11-05 | 1975-06-03 | Onera (Off Nat Aerospatiale) | Device for making a casting of a directionally solidified alloy |
US4315977A (en) * | 1978-03-06 | 1982-02-16 | Leclanche S.A. | Mold for casting grid for tubular plates of a lead-acid battery and resulting casting |
-
1910
- 1910-06-03 US US56488510A patent/US1042092A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2860392A (en) * | 1955-12-08 | 1958-11-18 | James M Mccracken | Gate brick |
US3838729A (en) * | 1971-11-05 | 1974-10-01 | Nat Etudes Et Rech Aerospatial | Method for making a casting of a directionally solidified alloy |
US3886994A (en) * | 1971-11-05 | 1975-06-03 | Onera (Off Nat Aerospatiale) | Device for making a casting of a directionally solidified alloy |
US4315977A (en) * | 1978-03-06 | 1982-02-16 | Leclanche S.A. | Mold for casting grid for tubular plates of a lead-acid battery and resulting casting |
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