US443414A - Machine for carding fibrous materials - Google Patents

Description

(No Model.)

J. P. THOMPSON. MACHINE FOR GARDING FIBROUS MATERIALS.

Patented Dec. 23, 1890.

IN VENT-UH. 44 9272 mum/5555:

UNITED STATES PATENT OFFICE.

JOHN P. THOMPSON, OF FALL RIVER, ASSIGNOR OF ONE llALF TO THE lVI-IITIN MACHINE XVORKS, OF W HITINSVILLE, MASSACHUSETTS.

MACHINE FOR CARDING FIBROUS MATERIALS.

SPECIFICATION forming part of Letters Patent No. 443,414, dated December 23, 1890.

Application filed August 2 1887- Serial No. 248,129- (No model.)

v To aZZ whom it may concern.-

Be it known that I, JOHN P. THOMPSON, of Fall River, in the county of Bristol and State of Massachusetts, have invented certain new and useful Improvements in Machines for Carding Fibrous Material, of which the following is a full, clear, and exact description, reference being had to the accompanying drawing, forming part of this specification.

The drawing is a sectional view showing the relative positions of the new parts and their relation to the old parts of the cardingengine as usually constructed.

In the drawing, A represents the lap-roll, or roll of lapped fiber.

B B are the feed-rolls by which the lap is supplied and fed to the carding-engine.

O is the licker-in by which the lap is opened and the fiber cleaned.

D is a carrier-cylinder by which the fiber is taken from the licker-in and is carried to the dofier-roll E.

F represents a doffer-comb.

G G are auxiliary feed-rolls, and H is the main cylinder of a carding-engine. The rolls or cylinders C, D, E, andH are covered with card-clothing, as is usual with rolls or cylininders for carding-engines. The licker-in, the rolls, cylinder, and doffer-comb are driven in theusual manner.

Cotton or wool or other fibrous material has been heretofore presented to the carding-engine in the form of a lap or sheet, and this sheet has been torn into fiber and the fiber more or less straightenedby one or more rolls or cylinders covered with card-cloth. The fiber so opened out is then presented in that loose fibrous condition and the carding continued with flats and combing or working cylinders. By this method the large main cylinder cannot do its full share of work, nor can it deliver the fiber evenly to the flats or other workers, as the slightest variation in the airdrafts will deliver much more or less fiber on one portion of the main cylinder than on the other.

My improvement consists in mechanism for opening, straightening, and cleaning the fiber of the lap as much as is desired, such as the lickenin and one or more card-clothed cylinders for dofting the fiber and then for forming the same into a sheet or lap and pre- .senting the sheet or lap to the main cylinder,

as more fully described hereinafter.

To enable others skilled in the art to understand more clearly the nature of my invention, I will describe the same with reference to the accompanying drawing.

The roll or lap A is a roll of lapped fiber as it comes from the lapper, andis in the same condition as the ordinary lapped rolls. The sheet of lapped fiber I pass between the feedrolls B B and present the same to the action of the licker-in C, by which the lapped fiber is opened, partially straightened, and also partially cleaned. The fiber so opened is delivered to the carrier D and carried to the doifer-roll E. The fiber is here in a loose and divided condition, and I have found in practice that the main carding-cylinder is not evenly or uniformly through its whole width made to operate upon the fiber, and also that in all methods as heretofore practiced for delivering the fiber to the main cylinder the fiber has always been presented in a loose open condition to the main cylinder, and when so delivered the main cylinder is not supplied uniformly with fiber. To avoid this difficulty and also to present the fiber in a dense condition and hold the same so that the wires of the main cylinder can act to the best possible advantage on the fiber I comb the fiber off from the doffer-roll E by means of the doffer-comb F or any other equivalent device, and form the fiber into a sheet, which sheet I pass between the rollers G G, and thus present the sheet to the main cylinder, supplying the wires across the whole Width of the cylinder uniformly with fiber held in a sheet between the rolls G G. By this means the large or main cylinder is supplied with fiber evenly across its whole width, and all the subsequent working of the fiber is more uniformly effected.

I' have shown one way in which my invention can be carried out; butitwill be evident to any one versed in the art thatany arrangement by which the fiber after it has been epened by the iieker-in is again consolidated cylinder 1), and the main cylinder II, of the IQ into a sheet or lap and this hip or sheet predofter E, the doifer-colnb 1*, and the feedsented t0 the main ending-cylinder will 50- rolls G,p1aeed between the carrier-cylinder cure the benefits of my invention. D and the main eyiindeiyns and for the pur- Having thus described my invention, I poise herein described.

claim as new and desire to secure by Letters JOHN 1. 'lIIOMPSON.

Intent Witnesses: 1 I

In a carding-engine, the combination, with i J. A. MILLER, .h-., the feed-rolls B, the iieker-in C, the carrieri M. F. BLIGH.

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