US1209283A - Ingot-mold. - Google Patents
Ingot-mold. Download PDFInfo
- Publication number
- US1209283A US1209283A US10660116A US10660116A US1209283A US 1209283 A US1209283 A US 1209283A US 10660116 A US10660116 A US 10660116A US 10660116 A US10660116 A US 10660116A US 1209283 A US1209283 A US 1209283A
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- United States
- Prior art keywords
- mold
- ingot
- bottom opening
- opening
- walls
- Prior art date
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/16—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes
- B28B7/18—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article
- B28B7/183—Moulds for making shaped articles with cavities or holes open to the surface, e.g. with blind holes the holes passing completely through the article for building blocks or similar block-shaped objects
Definitions
- This invention relates to improvements in the construction of ingot molds of the class in which the larger part'ofthe mold is uppermost. Molds of this kind are generally open at both top and bottom, the bottom be Vefficiently seal the bottom portion of the mold chamber in such manner as to prevent the escape of molten metaltherefrom.
- Figure 1 shows a vertical central section through an ingot mold with my improvements applied opening thereof is sealed.
- Fig. 2 is a perspective view of the sealing plate employed.
- Fig. 3 is a detail view en an enlarged scale of the lower portion of the mold showing how the bottoml
- the mold A may be of usual construction but is preferably of the kind shown, e'. e., a big-end-up mold having its walls thicker in the lower portion than in the upper portion thereof for purposes now .well understood.
- the lower portion of the mold cavity is shown as being necked-in toward the bottom opening of the mold andthis necked-in portion is curved or concaved, 'the radius of the concave being preferablyless than onehalf the diameter of the mold atits lower portion above said necked-in part.
- This is indicated at a.
- the walls of the bottom opening of the mold may be of any suitable shape but where the walls of the bottom opening join the concaved walls a there is a rounded portion it, the radius of which, as indicated in the drawing,.is relatively short. In this kway the concaved walls gradually merge into the walls of the bottom opening of the mold and the sticking of the ingot in' the mold at its lower end is' prevented.v
- the portion a2 were angular the molten metal would be apt to cut into the mold walls and form a recess or recesses where the metal would enter and thus form keys or stickers which would impede the stripping operation. Furthermore, by reason of the form given to the lower portion of the mold the molten metal while being poured will spread sidewise against the concaved portions a and will be directed upward and thus lessen the liability of forming stickers. If the molten metal strikes the portions a while bein poured it will be directed inward towar the center o-f the mold. Should the walls a be worn away during the pouring of the molten metal the formation of stickers or reentrant angles would not occur.
- the bottom opening of the mold may be sealed in various ways. As illustrated the bottom opening is filled by a stripping plug B which fits the opening somewhat loosely. In some cases it may be made to fit the open- .ing tightly but as a rule there should be rather a loose fit. After the ingot is cast the stripping plug is used to raise the ingot in the mold, after which the top cf the ingot iis taken hold of by lifting devices which remove it from the mold.
- the sealing device which l employ in my present invention consists of a plate C of sheet metal which is preferably flanged at c as shown.
- the edge of the plate-rests on the bottom wall of the mold cavity, preferably on' ⁇ the rounded portion a2 andk preferably the rim c is curved to correspond with the rounded portion a2 so as to lit it in the manner indicated in the drawings.
- An ingot mold having a bottom opening and a lnecked-in portion at its lower end provided with a rounded portion surrounding the bottom .opening and a sealing closure consisting of a plate having a rim engaging said rounded portion and sealing the mold cavity.
- An ingot mold having a bottom opening and a necked-in portion surrounding the bottom opening provided with a rounded part around said' opening, a stripping plug in the bottom opening of the mold and a sealing plateresting on the plug and having a flange engaging said rounded part' of the necked-in portion of the mold.
- g 8.'An ingot mold having a bottom opening, a sealing plug mounted therein, and a sealing plate of larger area than the bottom opening supported on the mold walls above said opening and above the plug.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
E. GATHNIANN.
INGOT MOLD.
APPLICATION flLEn JUNE 29.1915.
w. Patented Dec. 19,1916.
, al a l EML GATHMANN, OF BALTIMORE, MARYLAND.
meow-MOLD.
Specication of Letters Patent.
lPatented Dec. i9., 191Mo?.
Application led June 29, 1916. Serial No. 106,601.
To all whom t may concern:
Be it known that I, EMIL GATHMANN, a
1 citizen of the United States, residing in the city of Baltimore, State of Maryland, have invented certain new and useful Improvements in Ingot-Molds, of which the following is a specification.
' This invention relates to improvements in the construction of ingot molds of the class in which the larger part'ofthe mold is uppermost. Molds of this kind are generally open at both top and bottom, the bottom be Vefficiently seal the bottom portion of the mold chamber in such manner as to prevent the escape of molten metaltherefrom.
llfn the accompanying drawings, Figure 1 shows a vertical central section through an ingot mold with my improvements applied opening thereof is sealed.
thereto. Fig. 2 is a perspective view of the sealing plate employed. Fig. 3 is a detail view en an enlarged scale of the lower portion of the mold showing how the bottoml The mold A may be of usual construction but is preferably of the kind shown, e'. e., a big-end-up mold having its walls thicker in the lower portion than in the upper portion thereof for purposes now .well understood.
' The lower portion of the mold cavity is shown as being necked-in toward the bottom opening of the mold andthis necked-in portion is curved or concaved, 'the radius of the concave being preferablyless than onehalf the diameter of the mold atits lower portion above said necked-in part. vThis is indicated at a. The walls of the bottom opening of the mold may be of any suitable shape but where the walls of the bottom opening join the concaved walls a there is a rounded portion it, the radius of which, as indicated in the drawing,.is relatively short. In this kway the concaved walls gradually merge into the walls of the bottom opening of the mold and the sticking of the ingot in' the mold at its lower end is' prevented.v
the portion a2 were angular the molten metal would be apt to cut into the mold walls and form a recess or recesses where the metal would enter and thus form keys or stickers which would impede the stripping operation. Furthermore, by reason of the form given to the lower portion of the mold the molten metal while being poured will spread sidewise against the concaved portions a and will be directed upward and thus lessen the liability of forming stickers. If the molten metal strikes the portions a while bein poured it will be directed inward towar the center o-f the mold. Should the walls a be worn away during the pouring of the molten metal the formation of stickers or reentrant angles would not occur.
lThe bottom opening of the mold may be sealed in various ways. As illustrated the bottom opening is filled by a stripping plug B which fits the opening somewhat loosely. In some cases it may be made to fit the open- .ing tightly but as a rule there should be rather a loose fit. After the ingot is cast the stripping plug is used to raise the ingot in the mold, after which the top cf the ingot iis taken hold of by lifting devices which remove it from the mold.
Inasmuch as in many cases the stripping plug ts the bottom opening of the mold loosely, it is desirable to employ some means forvso sealing the opening that molten metal will not run down between the 'sides of the stool and the walls of the bottom opening in such manner as to cause the stool to adhere to the mold and thus prevent it from being moved freely while stripping. The sealing device which l employ in my present invention consists of a plate C of sheet metal which is preferably flanged at c as shown. The edge of the plate-rests on the bottom wall of the mold cavity, preferably on'` the rounded portion a2 andk preferably the rim c is curved to correspond with the rounded portion a2 so as to lit it in the manner indicated in the drawings. lln this way I am able to obtain a seal suiciently v are a 't to be formed which enter the molten nieta and impair its quality.- When "the Y ingotiis cast the plate C adheres to the lower end of the ingot and passes out of the mold v therewith when the ingot is stripped.
It will thus be seen that by very simple means I provide a seal which is4 especially useful where a stripping plug is employed. While the plate is supported on( the bottom wall of the mold it also rests on the inner e'nd of the plug B and While the plug may be said to support the plate, yet a close fit` 2. An ingot mold having a bottom open? ing and a necked-in portion provided with a rounded part surrounding:` the bottom opening and a sealing closure ponsisting'of a plate the edge of which rests upon said rounded portion 'of the mold walls.
3. An ingot mold having a bottom opening and a lnecked-in portion at its lower end provided with a rounded portion surrounding the bottom .opening and a sealing closure consisting of a plate having a rim engaging said rounded portion and sealing the mold cavity.
4. An ingot mold having a bottom openi plug.
ing, a stripping, plug in jsaid opening, a metal sealingplate of larger diameter than the opening and the edge Iof which engages the mold walls above the bottom opening therein and seals the mold cavity above the 5. An ingot mold having a bottom opening and a necked-in portion surrounding the bottom opening provided with a rounded part around said' opening, a stripping plug in the bottom opening of the mold and a sealing plateresting on the plug and having a flange engaging said rounded part' of the necked-in portion of the mold.
6. An ingot mold having abottom opening and a sealing plate onto Whichthe metalI is poured and'which is of larger area than r the bottom opening of the mold which cov` ers the same and is supported by the walls of the lower portion of the mold cavity above the bottom opening. v
7 An ingot mold having a necked-in. portion and a bottom opening, and a sealing plate oi 'larger area than the bottom opening covering the same and supported on the necked-in portion of the mold.
g 8.'An ingot mold having a bottom opening, a sealing plug mounted therein, and a sealing plate of larger area than the bottom opening supported on the mold walls above said opening and above the plug.
In testimony whereof, I have hereunto subscribed my name.
EMIL GATHMANN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10660116A US1209283A (en) | 1916-06-29 | 1916-06-29 | Ingot-mold. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10660116A US1209283A (en) | 1916-06-29 | 1916-06-29 | Ingot-mold. |
Publications (1)
Publication Number | Publication Date |
---|---|
US1209283A true US1209283A (en) | 1916-12-19 |
Family
ID=3277185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10660116A Expired - Lifetime US1209283A (en) | 1916-06-29 | 1916-06-29 | Ingot-mold. |
Country Status (1)
Country | Link |
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US (1) | US1209283A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090551A (en) * | 1976-03-15 | 1978-05-23 | Allegheny Ludlum Industries, Inc. | Mold protection device for the bottom of ingot molds |
US4465117A (en) * | 1981-07-20 | 1984-08-14 | Republic Steel Corporation | Ingot mold shields |
-
1916
- 1916-06-29 US US10660116A patent/US1209283A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4090551A (en) * | 1976-03-15 | 1978-05-23 | Allegheny Ludlum Industries, Inc. | Mold protection device for the bottom of ingot molds |
US4465117A (en) * | 1981-07-20 | 1984-08-14 | Republic Steel Corporation | Ingot mold shields |
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