US16629A - Improved mode of patching bullets - Google Patents

Description

F. D. NE WBURY.

-PETERS, PHOTD-LITHOGRAFHER. WASHINGTON. D

FREDERICK D. NEWBURY, OF ALBANY, NEWV YORK, ASSIGNOR TO RICHARD VARIGK DE WITT, JR.

IMPROVED MODE OF PATCHING BULLETS.

Specification forming part of Letters Patent No. 56,629. dated February 10, 1857.

To all whom, it may concern:

Be it known that I, FREDERICK D. NEW- BURY, of the city of Albany, State of New York, have invented a new kind of bullet for breech-loading fire-arms .and a convenient process for manufacturing the same; and I declare the following specification, with the drawings hereto attached as part of the same, to be a full and perfect description thereof.

It is well known that a desideratum in the use of the breech-loading arm is to furnish to the samea patched bullet, in order to preserve the barrels from leading-that is, from having the surfaces of their barrels, and, in the case of rifles, their grooves, filled or fouled with lead from the bullet as it is compressed in passing along them.

The process of making the bullet is as follows: By means of the ordinary mold I cast a bullet, shaped as shown in Figure 1 in perspective, and in Fig. 2 in vertical section. The upper part of the bullet is in the usual conoidal form. Below this a small ring, a a, projects, below which the bullet has a conical shape, corresponding with that of the breech-chamber of the piece, and of such size that when a patch is put upon it the whole will fill up properly the barrel, and, in case of rifles, their grooves. The bullet being thus shaped,

a patch of proper material is secured by gum,

glue, or any other adhesive attachment. Then, a proper matrix being provided, of the form of the finished bullet, the article as above prepared is driven into it, by which means the ring a a is swaged down tightly over the upper part of the patch, holding it firmly upon the bullet, making the article as shown in Fig.

3. The advantage of this method is that the patch is effectually prevented by the metallic grip from slipping off the bullet, as it is compressed by the taper of the chamber and grooves while the bullet flies through the barrel, every method of fastening the patch upon or against the surface of the metal having hitherto proved ineffectual.

The bullet may be made either solid or hollow, as shall be deemed best for service. If made hollow, in order to drive it down into the matrix, a punch corresponding with the hollow is to be used.

WVhat I claim isv The method of securing a patch upon conoidal or similar bullets. by compressing the upper portion of the patch under a thin ledge of the metal of the bullet, substantially as described in the above specification.

F. D. NEVVBURY.

\Vitn esses:

RICI-ID. VARIOK DEWITT, DUDLEY W. DEWITT.

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