US86409A

US86409A - Improved machine for working waste fibrous stock

Info

Publication number: US86409A
Authority: US
Publication date: 1869-02-02
Anticipated expiration: 1886-02-02

Description

one

@J /taten' initrd www A. W. JOHNSCN, OF WORCESTER, MASSACHUSETTS.

Leners Paars No. 86,409, ma February 2, 1869. l

The Schedule referred to in these Letters Patent and making part f the lame.

Know all men by these presents:

That 1, A. W. JOHNSON, of the city of Worcester', county of Worcester, and Commonwealth of Massachusetts, have invented a certain new and usefulIrnprovement in Machines for Working Waste Fibrous Stock; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming a part of this specification, in whichl Figure l represents atop or plan view of so much of a machine for working waste fibrous stockl as is necessary to illustrate my invention;

Figure 2 represents an end' view ofthe same and Figure represents a section on line A B, iig. 1.

To enable those skilled in the art to which my invention belongs, to make and use the same, I will proceed to describe it more in detail.

As heretofore constructed, machines for working Waste fibrous stock', which results in the manufacture of paper, textile fabrics, and like materials, have been defective, for the reason that the hard ends and bunches thrown out by the working-cylinders were liable to fall or slide back into the machine, and be deposited with the finished stock.

The nature of iny invention consists in combining a fan with the Working-cylinder, in such a manner that the hard ends and bunches which lodge or fall upon the top of the case of the working-cylinder, will be blown off, and thus be prevented from falling or sliding back into the machine.

'In the drawings- A A A A are the frame-pieces, and B, the casing.

-G is the working-cylinder, which is to be filled with spikes or teeth, in the usual manner, its shaft or journal, D, being properly' supported iu bearings on the side-pieces A of the main frame. v

As lthe machines have been made heretofore, the upper partof the case B has been left open, as shown at a, to allow of the escape of hard ends, bunches, and sticks.

The stock, being fed to the endless apron E, is carried forward to the feed-rollers b b, which feed it slowly and uniformly to the working-cylinder C, the teeth of which tear and Work the stock up very finely, as fast as it is fed in by the rolls b b. v

As cylinder C moves in the direction indicated by the red arrow, the hard ends, bunches of threads, lumps, and other hard substances, will be thrown up through the opening a of case B, and should they fall back upon the top of case B, they will be blown back, and prevented from falling or being drawn in upon the work.- ing-cyliudcr G, by the wind from fau F, which is arranged forward ot' the opening (L in case B, substantially as shown in the drawings. f

I prefer to run fau F by a straight belt, Gr, owing to the great rapidity at which it is run. It would probably deliver the wind with less friction in the fan-case .H if the belt were crossed, but I have found from .practice that it is better to run the belt straight. By cutting a hole in the lower part of the case B, the stock can be blown through a box, into a room prepared for the purpose, as fast as it leaves the cylinder C.

Those skilled in the art to which my invention belongs, '.vill read-ily appreciate the advantage gained by my improvements.

The stock, when blown from the case B, is free from all hard ends, bunches, and other similar substances, and can be carded without injury to the teeth of the cards.

Belt G may be driven by a pulley, I, on, the end of shaft D. The feed-rolls b b are to be driven in the usual manner; therefore the mechanism has not been shown.

Having described my improved machine for working waste stock,

That I claim therein as new, and of my own invenrtion, and desire to secure by Letters Patent, is

The combination and relative arrangement, with the feed-rolls b l), cylinder C, and case B, having an opening, a, of the fan F, substantially afs and for the purpose set forth.

A. W. JOHNSON.

Witnesses:

THos. H. DODGE, D. L. MILLER.