US356508A - Machine for manufacturing paper filtering stones or tiles - Google Patents

Description

(No Model.)

s. SNELL. MACHINE FOR MANUFACTURING PAPER FILTERING STONES OR TILES.

Patented Jan. '25, 1887.

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lhvrrsn STATES ATENT rrrcn.

SAMUEL SNELL, OF SPRINGFIELD, MASSACHUSETTS.

MACHINE FOR MANUFACTURING PAPER FILTERING STONES OR TILES.

SPECIFICATION forming part of Letters PatentNo. 356,508, dated January 25, 1887.

Application filed June 9, 1886. Serial No. 204,648. (No model.)

To aZZ whom it may concern.-

Be it known that I, SAMUEL SNELL, of Springfield, in the county of Hampden and State of Massachusetts, have invented certain new and useful Improvements in Machines for Manufacturing Paper Filtering Stones orTiles; and I do herebydeclare 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.

My invention relates to an improvement in machines for manufacturing paper filtering stones or tiles, the object being to provide a machine of this character which will be simple and durablein its construction and adapted to be operated by a minimum expenditure of power; also, to providea machine in which the filtering-passages may be formed in the stone without necessitating the raising or lifting of the stone in its process of manufacture.

\Vith these ends in view my invention consists in certain features of construction and combinations of parts, as will be hereinafter described, and pointed out in the claims.

In the accompanying drawings, Figure 1 is aviewin sideelevatlon of oneform of machine embodying my invention. Fig. 2isaplan view of the gears for raising and lowering the follower. Fig. 3 is a plan View of the perforated table and mold-frame supported thereon, and Fig. 4 is a cross-section of the filtering stone or tile. 7 v

A represents legs or standards, which support the table B, the latter being provided with holes a, which are cylindrical in form and extend vertically through the table.

. the table B is locateda follower, O, the ends of which engage in guides b, formed on the inner sides of the legs A, and serve to retain the follower against displacement during its operation. 1

To the follower are secured the pins D, which are conical or tapering in form. The pins may be secured to the follower in any desired mapper; but preferably the follower has holes of the proper size drilled through the same, and the pins are then tightly drivenintothese holes and securely fastened in place.

On the under side of the follower are formed the depending bosses E, which are screw- Beneath.

der, t, which rests upon the cross-bar H and supports the screw-shaft.

To the lower and projecting end of thebearing of each screw-shaft is secured a nut, d, to retain the screw-shaft in place.

I is a central shaft, journ aled in an elongated bearing or box formed on the cross-bar H, the

lower end of the shaft being provided with a handwheel, J, and the upper end witha large gear, K, the latter meshing with the four small gear wheels L on the four screw-shafts. By this construction and arrangement of parts the requisite power may be transmitted to the follower for raising and lowering it, and an even and uniform motion is transmitted to the entire surface of the follower during its operation.

On the upper surface of the tableB is placed the frame M, which consists of the side pieces, mm, and end pieces, a a, which are detachably secured together by the wedges 0. The side and end pieces of the frame are seated against the shoulders e at the-sides and ends of the table B, and thus are firmly secured in place.

The different parts of the machine are preferably made of metal, and thus insurestrength and durability in its construction and operation.

I-Iaving fully described the construction and arrangement of the several parts of the machine, Iwill now briefly describe its operation.

The follower is raised so that the pins Dwill extend through the holes in the table B and project upwardly above its upper surface. The frame M is placed on the table, as represented in Fig. 1, the ends and sides of the frame being firmly locked together by the wedges 0. The plastic material of which the stones are made is then poured onto the table within the frame M, filling the space within the frame, and to any desired depth therein. This material is allowed to remain until it has set or hardened, and then the follower is depressed by operating the gearing and screws described, and the pins D are thus withdrawn from the stone, leaving conical holes h formed therein and extending through the stone. The wedges are then released and the sides and ends of the frame M removed, leaving the co mpleted stone resting on the table, from which it is then removed and the operation repeated.

The parts of the machine are extremelysiinple'and durable in their construction, and not liable to become unduly worn or impaired in use. In view of the fact that the completed stone, with its series of perforations formed therein, is produced without raising or moving the stone, there is practically no danger of cracking or breaking the stone in its manufacture.

As it is evident that many slight changes in the construction and relative arrangement of the different parts of my improved machine might be made without departing from the spirit of my invention, Iwould have it understood that I do not restrict myself to the particular construction and arrangement of parts shown and described; but,

Having fully described my invention, what 2 5 I claim as new, and desire to secure by Letters Patent, is-

1. The combination, with a perforated support or table and a frame made of separable sides and ends resting on said table, of a series 0 of adjustable or movable tapering pins adapted to extend through the perforation in the support or table and project above its upper surface.

2. The combination, with a perforated support or table constructed withledges or shoul- 5 ders at its sides and ends and a removable frame adapted to engage said ledges or shoulders, of a follower carrying a series of pins adapted to extend through the perforations in the table and project above its upper surface, and devices, substantially as described, for operating the follower, substantially as set forth.

3. The combination, with aperforated table and a follower provided with pins constructed and adapted to extend through the perforations in the table and project above its upper surface, of screws and gear-wheels for raising and lowering the follower, substantially as set forth.

4. The combination, with a perforated support or table and a frame made of separable sides and ends resting on said table, of a series of adjustable or movable pins adapted to be withdrawn from the stone, substantially as set forth.

5. The combination, with a perforated table or support, of a follower carrying pins, screws arrangedto support the sides and ends of the follower, and gear-wheels for raising and lowering the follower, substantially as set forth.

In testimony whereof I have signed this specification in the presence of two subscribing witnesses.

SAMUEL SNELL. W'itnesses:

S. G. No'r'rrNci-Li r,

O. P. DRURY.

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