US113986A - Improvement in flasks for casting pipe - Google Patents
Improvement in flasks for casting pipe Download PDFInfo
- Publication number
- US113986A US113986A US113986DA US113986A US 113986 A US113986 A US 113986A US 113986D A US113986D A US 113986DA US 113986 A US113986 A US 113986A
- Authority
- US
- United States
- Prior art keywords
- flasks
- improvement
- casting pipe
- screws
- core
- 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.)
- Expired - Lifetime
Links
- 238000005266 casting Methods 0.000 title description 12
- 239000002184 metal Substances 0.000 description 4
- 208000007101 Muscle Cramp Diseases 0.000 description 2
- 206010028334 Muscle spasms Diseases 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
Definitions
- This invention relates to improvements in casting pipe and other articles in which long horizontal cores are employed; and it consists in an improved mode of adjusting the cores to counteract their tendency to spring upward at the center by floating on the molten metal while the mold is being filled, by which the pipes are made thicker on the lower side along the middle, and thinner on the upper side, which it is very important to avoid.
- Figure 1 is a longitudinal section of a mold with my improved core-molding attachments
- Fig. 2 is an end elevation of the same.
- the screws may be adjusted from time to time as the first castings are made until they are found to be rightly adjusted as to the amount the core is to be sprung down; or the screws may be adjusted for each cast.
- the tendency of the upper part of the flask to rise by the action of the screws F on the core will be counteracted by the fastening of the two flasks togetherby clamp-screws or other means.
- the projection C may also be applied to the lower part of the flask, if preferred, in which case they would be placed at one side of the cavity H for the corebar, and be suitably raised above the core-bar to support the screws F above. I prefer, however, the arrangement which I have here shown.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Description
JOHN DEMAHEST.
Improvement in Flasks for Casting Pipes. No. 113,986. PatentedApril25,187l.
witmmz UNITED STATES PATENT QFFIGE.
JOHN DEMAREST, OF MOTT HAVEN, NEW YORK, ASSIGNOR TO HIMSELF AND JORDAN L. MOTT, OF SAME PLACE.
IMPROVEMENT IN FLASKS FOR CASTING PIPE.
Specification forming part of Letters Patent No. 113,986, dated April 25, 1871.
To all whom it may concern:
Be it known that I, JOHN DEMAREST, of Mott Haven, in the county of Westchester and State of New York, have invented a new and useful Improvement in Casting Pipe; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing, forming part of this specification.
This invention relates to improvements in casting pipe and other articles in which long horizontal cores are employed; and it consists in an improved mode of adjusting the cores to counteract their tendency to spring upward at the center by floating on the molten metal while the mold is being filled, by which the pipes are made thicker on the lower side along the middle, and thinner on the upper side, which it is very important to avoid.
Figure 1 is a longitudinal section of a mold with my improved core-molding attachments, and Fig. 2 is an end elevation of the same.
I propose to apply the long and strong projections A to the lower part of the flask B, one at each end, and the short ones 0 to the upper flask, D, for the support of temper screws E F, by which I cramp the core-bar Gr so as to spring it down at the center about as much as it springs upward by the action of the metal, so that when the casting takes place it will be centered truly with the mold.
The screws may be adjusted from time to time as the first castings are made until they are found to be rightly adjusted as to the amount the core is to be sprung down; or the screws may be adjusted for each cast. The tendency of the upper part of the flask to rise by the action of the screws F on the core will be counteracted by the fastening of the two flasks togetherby clamp-screws or other means.
The projection C may also be applied to the lower part of the flask, if preferred, in which case they would be placed at one side of the cavity H for the corebar, and be suitably raised above the core-bar to support the screws F above. I prefer, however, the arrangement which I have here shown.
Having thus described my invention, I claim as new and desire to secure by Letters Patent The combination, with the flask and the core-bar, of the screw-supporting projections A O and the temper-screws E F, arranged for springing the core downward along the middle, substantially as specified.
JOHN DEMAREST.
Witnesses:
GEO. W. MABEE, ALEX. F. ROBERTS.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US113986A true US113986A (en) | 1871-04-25 |
Family
ID=2183450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US113986D Expired - Lifetime US113986A (en) | Improvement in flasks for casting pipe |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US113986A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000337A1 (en) * | 2003-07-02 | 2005-01-06 | Ahne Adam Jude | Perforation forming mechanism for use in an imaging apparatus |
-
0
- US US113986D patent/US113986A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050000337A1 (en) * | 2003-07-02 | 2005-01-06 | Ahne Adam Jude | Perforation forming mechanism for use in an imaging apparatus |
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