US708010A - Type-casting. - Google Patents
Type-casting. Download PDFInfo
- Publication number
- US708010A US708010A US3548000A US1900035480A US708010A US 708010 A US708010 A US 708010A US 3548000 A US3548000 A US 3548000A US 1900035480 A US1900035480 A US 1900035480A US 708010 A US708010 A US 708010A
- Authority
- US
- United States
- Prior art keywords
- type
- plunger
- casting
- mold
- matrix
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41B—MACHINES OR ACCESSORIES FOR MAKING, SETTING, OR DISTRIBUTING TYPE; TYPE; PHOTOGRAPHIC OR PHOTOELECTRIC COMPOSING DEVICES
- B41B7/00—Kinds or types of apparatus for mechanical composition in which the type is cast or moulded from matrices
- B41B7/02—Kinds or types of apparatus for mechanical composition in which the type is cast or moulded from matrices operating with fixed combinations of matrices
- B41B7/04—Kinds or types of apparatus for mechanical composition in which the type is cast or moulded from matrices operating with fixed combinations of matrices for casting individual characters or spaces, e.g. type casting machines
Definitions
- Figure 1 is a transverse sectional view of so much of a mold as is necessary to illustrate my invention, showing the parts in the position they occupy just before the body-piece or plunger is lowered to form the vacuum-chamber.
- Fig. 2 is alongitudinal central sectional view taken upon line a; a: of Fig. 1.
- Fig. 3 is a view similar to Fig. l, but showing the bodypiece or plunger lowered.
- plunger A sliding cover B, with its inserted steel block b, base-plate O, side members D and D of the mold, matrix E, matrix-carriage c, apron F, nipple G, choker g, and passage g for molten metal are the same in construction as in said Letters Patent, and the means of actuating said sliding cover, matrix-carriage, body-piece or plunger, and choker may be the same as the means therein described.
- My invention consists in keeping plunger A in its upper position until sliding cover B has been advanced to its forward position, so as to cover the top of the mold, and matrix E has been advanced to abut against sliding cover B and plunger A, all as shown in Figs. 1 and 2, which represent the position of the parts just before plunger A is lowered. Then plunger A is lowered to the position shown in Fig. 3 and in dotted line Fig. 2, forming in chamber H a vacuum into which the molten metal enters. The type so cast are free from blow-holes.
Description
No. 708,0l0. Patented Sept. 2, 1902.
H. BARTH.
TYPE CASTING.
I (Application filed Nqv. 5, 1900.) (No Model.)
UNITED STATES PATENT OFFICE.
HENRY EARTH, OF CINCINNATI, OHIO.
TYPE-CASTING.
SPECIFICATION formingpart of Letters Patent No. 708,010, dated September 2, 1902. Application filed November 5 1900. Serial No. 351480. (No model.)
type in which there are no blow-holes and is accomplished by producing a vacuum in the chamber in which the type is cast and admitting the molten metal into the vacuum while excluding the air therefrom.
In the accompanying drawings, Figure 1 is a transverse sectional view of so much of a mold as is necessary to illustrate my invention, showing the parts in the position they occupy just before the body-piece or plunger is lowered to form the vacuum-chamber. Fig. 2 is alongitudinal central sectional view taken upon line a; a: of Fig. 1. Fig. 3 is a view similar to Fig. l, but showing the bodypiece or plunger lowered.
In the operation of type-casting as heretofore carried on and as described in the aforementioned Letters Patent, as soon as the bodypiece or plunger A had traveled to its upper position to deliver the type just east to the fingers upon the end of the retracted sliding cover B of the mold it began to descend again to form the chamber in which the next type was to be cast. As a consequence, the sliding cover being retracted, air entered said chamber and caused blow-holes to be formed in the type cast therein. In my construction plunger A, sliding cover B, with its inserted steel block b, base-plate O, side members D and D of the mold, matrix E, matrix-carriage c, apron F, nipple G, choker g, and passage g for molten metal are the same in construction as in said Letters Patent, and the means of actuating said sliding cover, matrix-carriage, body-piece or plunger, and choker may be the same as the means therein described.
My invention consists in keeping plunger A in its upper position until sliding cover B has been advanced to its forward position, so as to cover the top of the mold, and matrix E has been advanced to abut against sliding cover B and plunger A, all as shown in Figs. 1 and 2, which represent the position of the parts just before plunger A is lowered. Then plunger A is lowered to the position shown in Fig. 3 and in dotted line Fig. 2, forming in chamber H a vacuum into which the molten metal enters. The type so cast are free from blow-holes.
What I claim'is- In a type-casting machine a mold consisting of side members, a sliding cover on the side members, a matrix, a carriage to advance it to cover one end of the mold, a nipple covering the other end of the mold for the admission of molten metal, a plunger between the side members, the matrix and the nipple, means for actuating'the sliding cover, and the matrix and meansfor keeping the body-piece or plunger against the cover until all the parts of the mold are closed and for then drawing it away from said cover to form a vacuum-chamber, substantially as shown and described.
' HENRY EARTH.
Witnesses:
W. F. MURRAY, GEO. J. MURRAY.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3548000A US708010A (en) | 1900-11-05 | 1900-11-05 | Type-casting. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3548000A US708010A (en) | 1900-11-05 | 1900-11-05 | Type-casting. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US708010A true US708010A (en) | 1902-09-02 |
Family
ID=2776539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US3548000A Expired - Lifetime US708010A (en) | 1900-11-05 | 1900-11-05 | Type-casting. |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US708010A (en) |
-
1900
- 1900-11-05 US US3548000A patent/US708010A/en not_active Expired - Lifetime
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