US80975A - Eichaed -kitson - Google Patents

Description

R. K|TSON. v

Screen for Cotton Picking Machines.

No. 80,975. Patented Aug. II, 1868.

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RICH'ABD-KI'TSON, 0 LOWELL, MASSACHUSETTS,-

Letters Patent No. 80.975. dated August 11', V1868.

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TO ALL WHOM IT MAY CONCERN: V

Be it known that I, Brennan Krrson, of Lowell, in the county of -Middl esex,and State of Massachusetts,

have invented certain new and useful Improvements in Cylinder-Sc'reens, or Wire-Screen Cylinders for Cotton Lappers, of which the following isafull, clear, and exact description, reference being'had-to the accompanying drawings, making part of. this Specification, in which V I Figure 1 represents a vertical longitudinal section of that portion ofa cotton lapper which contains the 'screencylinders, with two of said cylinders applied thereto. I I I Figure 2, a side elevation of one of my improved screen-cylinders, after a portion of the screen has been removed, showing a portion of the-interior and the central shaft. g I

.My invention and improvementsin wire-screen cylinders consistinfastening or securing with solder the wires at their crossings, the abhtting ends of the screen, and the cylindrical ends thereof, tothe heads or ends of the cylinder, or to the hoops orbands which cover them.

"The objects of this invention are to prevent the wires from spreading apart, from wearing or cutting into or through each other, more perfectly unitingthe abutting ends of the screen, and more permanent connection of the cylindrical ends thereof to the cylindrical heads. I

By means of this inventionl am enabled to produce a permanent cylinder-surfaoeAvith uniform openings, which will-insure the equal and regular action of the blast of air which forces the cotton against the screen, and of the suction of air which draws thedust and dirt from the interior-of the cylinder.

I am also-enabled to produce a more perfect and durable screen-cylinder than any I have ever seen, and one that will clean the cotton in a superior manner, and save nearly all the fibres of any value. v H

In the ordinary wire-screen cylinders for cotton-lappers, the screens are simply woven andcut oil in suitable lengths, and drawn around the cylinder-heads and ribs,andthe abutting ends secured together with wire.

In order to apply this ordinary wire screen to form a screen-cylinder, it is necessary that the cylindrical framework around which the wire screen is drawn should be thoroughly and substantially made,and withnumerons longitudinal ribs, notched into the cylinder-heads, to support the ordinary wire screen.

A screen-cylinder thus made, is not'only a very expensive device in the beginning, but the whole screen-- surface has to be frequently removed, by reason of the loose wires wearing or cutting into or through each other where theycross or intersctfbesidcs, thcloose wires forming such ordinary cylinder are sure to spread apart at different places on the framework, andform large openings, through which considerable cotton is blown by the blast of air whichforces such cottontagainst the imperfect and changeable cylinder surfaces, and drawn off by the suction through'thc dust-boxes or pipes, with the,refuse matter, where it can only be recovered by a tedious and troublesome process.

.In' the use of my improved screen-cylinder for eotton-lappers, all the above named diflicultiesand objections are overcome. The wires are firmly fastened together at their crossings, the abutting ends of the screen are smoothly and permanently connected, and the cylindrical ends secured to theheads or ends-of the cylinder,

a permanent cylinder-surface of wires is produced,,an'd uniformity of openings maintained between the'wires. The firmly-fastened wires cannot spread apartto waste the cotton, as in ordinary wire-screen cylinders, or wear or cut into or through each other, to spoil the screen; equal and uniform action of the blast of air and the suction, can be relied upon to clean or free the cotton from dust, dirt, and refusematter, and save the fibre much more effectually than with the use of any perforated. metal screefloylinders, the cost of which far exceeds the cost of the screen-cylinder made according to my improvements d V I Soldering or fastening the-wires together, as beforedescribed, is not only important for the purposes hereinbefore stated, but such a soldered screen, when applied to a rotating cylinder, against the surface of which cotton, sand, and dirt are forcibly blown, and through the opening of which the sand and refuse matter are forced or drawn, to separate them from the perfect fibre, will endure more than twice as long as-the ordinary loose wire-cylinder screen, and produce results superior to the results produced by such ordinarv wire-screen cylinder, or bye. perforated metal screen, as the .screedwhich has the wires fastened together presents agreater proportion of openings for the free passage of dirt which is blown or drawn through the uniform openings, and less resisting surface for such dirt than the perforated metal screen, and there is no liability of the wires spreading apart, to allow loss of fibre, or of the wires wearing or cutting each other, to prematurely spoil the screen and no liability of the abutting ends getting separated or loosened, or of the screen getting loose on the heads of the cylinder.

What I claim, and desire to secure by Letters Patent, is--' I A wire-screen cylinder, constructed-es described, with wires, soldered together at their crossings and at their abntting ends, and the ends of the screen soldered to the heads or ends of the cylinder.

RICHARD KITSON.

Witnesses:

JOHN E. CRANE, J. S. WHITNEY.

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