US268879A - Brick-die - Google Patents

Description

(No Model.)

G. R EARHART.

.BRIUKDIE.

Patented Desi- 1 2 $1,382.,

UNITED STATES PATENT OFFICE.

Y GEORGE F. EARHART, OF WINTERSET, IOWA.-

BRICK-DIE.

SPECIFICATION forming part of Letters Patent No. 268,879, dated December 12, 1882,

' Applicationfiled August1,1881. (No model.) i

.To all whom it may concern a citizen of the United States, residing at Winterset, in the county of Madison and State of Iowa, haveinvented certain new and useful Improvements in Brick-Dies; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the. letters or figures of reference marked thereon, which form a part of this specification.

This invention relates to brick molds or dies used in brick-machines, and it consists in certain improvements in the construction of the mold or die, as hereinafter shown and described.

Inthe accompanying drawings, Figure 1 rep resents a plan view of the improved mold. Fig. 2 is a side view of the same, a partbeing removed. Fig. 3 is a bottom plan, and Fig. 4 is a horizontal section.

The mold is formed of the parts A and A,- fnstened together, the part A beingcircular and projecting like a flange for thepurpose of attaching the mold and fitting it in the chamber of a brick-machine. The opening a in the part A is rounded at the corners, as shown, and has beveled sides and ends, so that it is gradually reduced toward the opening through and also to form the chambers or water-passages c at the corners, the shields B are pro vided,,the same being of sheet metal, and se- Be it known that I, GEORGE F. EARHART,

cured in place at each corner of the section A. The said shields, at their upper edges, conform to and are even with the rounded corners of the openingin section A, and,extendin'g downward, are gradually brought to a rectangular form at their lower edges to set in the corners of the passage through section A. This construction prevents the cracking of the clay at the corners as it passes through the formingsection A into the finishing section A, the passage for clay through the mold being gradually brought from a rounded form to a rectangular form at or near the point of exit.

The apertures 11 through the casing communicate with the chambers or water-passages c, and are intended to receive tubes through which water passes into said passages, and through the same wetting the clay at the corners and leaving the bar dry at the center. The bar of clay, made the length and breadth of a brick, issues out on a table, like a tiletable, and is there cut by means of wires attached to a iraine to any desired thickness. The fixed pins or rods 1), extending into the mold to make holes in the brick, are so placed as to leave the central part of the bar of clay solid, so that it is less liable tocrack in drying and burning. I claim- In a brick-mold, the section A, having the passage for clay with rounded corners, in combination with the section A, having the pas sage with rectangular corners to form passages c, the shields B, and apertures d, the parts being constructed as shown, for the purposes set forth.

In testimony whereof I affix my signature in presence of two witnesses.

- GEORGE F. EAREIART.

Witnesses:

J. W. GRAHAM,

.L. ,THORNBURG.

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