US796881A - Mold. - Google Patents

Description

No. 796,881- PATENTED AUG. 8, 1905. J. A. STRANSKY. MOLD. APPLIOATION FILED MAY 22, 1905..

2 SHEETS-SHEET 1.

No. 796,881. PATENTED AUG. 8, 1905.

J. A. STRANSKY. MOL'D.

APPLICATION IILED I IAY 22, 1905.

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JOHN A. STRANSKY, OF PUKWANA, SOUTH DAKOTA.

MOLD.

Specification of Letters Patent.

Patented Aug. 8, 1905.

Application filed May 22, 1905. $e1'ia1No. 261,594.

To (ZZZ whom it may concern:

Be it known that I, JOHN A. STRANsKY, a citizen of the United States, residing at Pukwana, in the county of Brule and State of South Dakota, have invented new and useful Improvements in Molds, of which the following is a specification.

My invention relates to certain new and useful improvements in molds, and has for its object to provide a mold of novel construction which in operation will be adapted to receive various kinds of partitions extending either transversely or longitudinally, or both transversely and longitudinally, of the mold, whereby various classes of articles may be cast in the same mold and a plurality of each article may be molded at the same time.

In order that the invention may be under stood, I have illustrated the same in the accompanying drawings, in which Figure 1 is a perspective view of the mold proper, illustrating the means for disengaging at one operation the sides and ends of the mold to permit them to drop. Fig. 2 is a transverse sectional View. Fig. 3 is a longitudinal section. Fig. 4 is a top plan view of the mold, showing partitions arranged therein in a manner to adapt the mold to the molding of concrete posts. Figs. 5, 6, and 7 are also plan views, Fig. 5 showing the arrangementof the partitions for molding cement pavingtiles, Fig. 6 the arrangement of the partitions for molding cement building-blocks, and Fig. 7 showing the arrangement of the partitions for molding cement bricks.

The numerals 1 2 indicate the sides, and 3 4 the ends, of the mold, which are pivotally connected to the bottom 5 by means of hinges 6, the arrangement being such that when the ends are released, as hereinafter described, said ends and the sides may fall down and permit the contents of the mold to be removed. Cleats are secured to the inner side of each of the ends 3 4 at their outer extremities, said cleats engaging the sides 1 2 of the mold and holding them in an upright position.

8 indicates spring-catches, two of which are secured at one end on the top of each of the sides 1 2 toward the outer end thereof, as indicated at 9, said spring-catches engaging over the ends 3 4 and serving to retain them in an upright position.

10 indicates bars which are inserted in loops 11 in the spring-catches 8 at each end of the mold, secured to which bars are chains 12, which are connected with a central chain 13, which passes over a pulley 14, mounted, say, in the ceiling of the room where the mold is located, and by pulling on which chain 13 the bars 10 will be caused to raise the outer ends of the spring-catches 8, which operation will permit the ends 3 and 4 to fall and the sides 1 and 2 also as soon as the chain is released.

Referring to Fig. 4, 15 indicates a series of partitions which are arranged to extend longitudinally of the mold from end to end thereof, said partitions being caused to converge toward one end of the mold to give a tapering shape to the posts by means of tapering pallets or false bottoms 16, inserted between the partitions 15. WVedges 17 are inserted between the outermost partitions 15 and the sides of the mold. As shown in the drawings, five partitions are arranged in the mold, and hence said mold is adapted to have four posts molded at one time. After the material poured between the partitions to form the posts has hardened the chain 13 is operated to release the ends of the mold and permit the sides and ends to fall, as above described, and the pallets 16 may then be withdrawn, removing the posts from between the partitions and out of the mold.

In Fig. 5 I employ only transverse partitions 18, extending from side to side of the mold, and, as shown, rectangular blocks of cement suitable for paving-tiles may be molded by pouring material between the said partitions. After the material has hardened the sides and ends are dropped and the tiles removed one at a time from the mold, or if preferred, in this and the subsequent operations, to be described, a false bottom can be employed in the mold, so that all the blocks, bricks, or other objects molded can be removed at one time.

In Figs. 6 and 7 transverse and longitudinal partitions 19 and 20 are both employed, and according to the number of these and the distance at which they are spaced apart I can mold blocks of a size suitable for building purposes, as shown in Fig. 6, or for bricks, as shown in Fig. 7.

It will readily be seen that other dispositions of partitions may be made in the mold than those described.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-- 1. A mold comprisinga bottom having sides and ends hinged thereto, means carried by the sides and ends for holding said sides and ends in an upright position, and means for simultaneously releasing said sides and ends.

2. A mold comprising a bottom having sides and ends hinged thereto, means carried by the ends for engaging the sides to hold them in an upright position, means carried by the sides for engaging the ends to hold them in an upright position, and means for simultaneously releasing the engagement with both of the ends.

3. Amold com prisingabottom having sides and ends hinged thereto, means carried by the ends for engaging the sides to hold them in an upright position, spring-catches carried by the sides for engaging the ends to hold the latter in an upright position, bars removably engaging the spring-catches at each end of the mold, a pulley supported above said mold,

and a chain operably connected With said rods and passed over said pulley.

4:. In combination With a mold having hinged side and end members, a series of longitudinal partitions removably mounted therein and extending from end to end of the mold, a tapering pallet inserted between each two partitions and extending from end to end thereof, and a Wedge inserted between each outermost partition and the side of the mold and also extending from end to end thereof, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing Witnesses.

JOHN A. STRANSKY.

Witnesses:

BLANCHE E. KENToN, J. W. SIMON.

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