US480588A - kellner - Google Patents

Description

(No Model.) 2 Sheets-Sheet 1.

0. K ELLNER.

ART OF PREPARING SHORT FIBERS FOR SPINNING AND OTHER PURPOSES.

No. 480,588. Patented Aug. 9, 1892.

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96%flm diner) (No Model.) 2 Sheets-Sheet 2. O. KELLNER.

ART OF PREPARING SHORT FIBERS FOR SPINNING AND OTHER PURPOSES.

No. 480,588. Patented Aug. 9, 1892.

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CARL -KELLNER, OF VIENNA, AUSTRIA-HUNGARY.

ART OF PREPARING SHORT'FIBERS F OR SPINNING AND OTHER PURPOSES.

SPECIFICATION forming part of Letters Patent No. 480,588, dated August 9, 1892.

Application filed December 10, 1891- Serial No. 414,630. (No specimens.)

To'alZ whom it may concern: Be it known that I, CARL KELLNER, a subect of the Emperor of Austria-Hungary, residing at Vienna, in the Province of Lower Auswill enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of referencemarked'thereon, which form a part of this specification.

The invention'has relation to the conversion of short fibrous materialssuch as paper pulp or stock, and more especially wood pulp-into a species of wadding, lap, or sliver of suificient tenuity for use in surgery or for other purposes-as, for instance, for spinning The invention consists in the mode of preparing fibrous material and condensing the same into wadding or into a lap, as will now be fully described, referencebeing had to the accompanying drawings, in which- Figures 1 and 2 are sectional views illustrating difierent means for condensing the fibrous material into wadding or into a. lap. Fig. 3 is a sectional side elevation of a machine whereby the short fibers may be conveniently condensed into a lap or sliver.

The object of my invention is to utilize Wood fiber for the manufacture of wedding orfor spinning purposes as a substitute -for cotton; but I do not limit myself thereto, as any other fibrous material may be employed, including cotton.

In order that very short vegetable fiber, and especially wood fiber, may be employed in lieu of cotton in" the manufacture of wadding or for spinning purposes, it is essential that the fibers be condensed while in a loose state, so that said fibers may properly arrange themselves during the operation of condensation and form a lap or wadding adapted for use as such or for spinning purposes. To this end I suspend the fibers in water, into which I preferably inject air to keep the fibers well separated, and these are then fed to an endless apron, substantially like that of a Fourdrinier paper-making machine, or to a cylinder substantially like that of a cylindrical paper-making machine, and formed into as thin and loosely condensed or interwoven a sheet or lap as possible. The thin sheet of loosely-agglomerated fibers is now passed between compression-rolls and subjected to as little'pressure as possible and then passed slowly between steam or hot-air heated rolls and dried, and may then be fed directly to the disintegrating and condensing apparatus or wound on a roller, from which it is fed to said apparatus,

The operation of condensing the sheet of fibrous material consists, first, in again separating the fibers and condensing, the same upon a foralninous support by suction. Any suitably-constructed paper-making machine may be employed for converting the short fiber into a hat or sliver. It is necessary, however, to keep the fiber well separated before feeding the same to the condenser, whether this be an endless foraminous apron, usually termed the wire, of a Fourdrinier machine or the cylinder of a cylinder papermaking machine, and in Fig. 3 I have shown the former style of machine provided with mechanism for keeping the fibers well separated, so that when they reach the wire they will more readily align themselves and interweave or become condensed under the shake motion of the wire. In said drawings V indicates the stulf-chest that contains the wood pulp mixed with a sufficient quantity of water to hold the fiber in suspension, and p is a perforated pipe, through which air is injected for the purpose of keeping the water agitated and holding the fibers in suspension. B is the feed-box, into which the Water and fibers are lifted by means of a suitable pump P, the suction-pipe p whereof dips into vat V, While the discharge-pipe 1J2 dips into feed-box B. The feed-box B is contained in an overflow-vessel V, having a discharge-pipe p in its bottom that empties into vat V, and N is the feednozzle made tapering from its inlet to its discharge end, the latter end being curved,so as to project onto the feed end of the wire W, and said discharge end is of a width corresponding to the width of the sliver or sheet to'be formed on said wire. The open inlet end of the nozzle N extends into the feed-box B and contains an agitator A for keeping the water and fiber agitated. R indicates the breast-roll; R, the delivery-roll. 5 to 15, inclusive, indicate the supporting-rolls, and 16 the guide-roll, and S the save-all, in which some of the supporting-rolls are mounted, said save-all being connected by pipe 1) with the stuff-chest. The delivery-roll R of the wire is suitably mounted on shake-rods that receive a horizontal reciprocating motion in a wellknown manner to impart to the wire the usual shake motion necessary to the interweaving or condensing of the layer of fiber on said wire. R. R are the compressing-rolls, and R R the hot rolls, whereby the sliver, sheet, or lap is compressed and dried, respectively, and c, Fig. 1, is the winding-roll, upon which said sliver, sheet, or lap is or may bewound. The sliver, sheet, or lap of wood fiber obtained as described aud more or less condensed is now again disintegrated by feeding the same to a suitable apparatus and therein again formed into a loose light sliver, lap, or sheet sufficiently condensed to be handled in its use in surgery or for other purposes; a This last apparatus consists essentially of devices whereby the condensation of the dry fiber is effected by deposition upon a foram'inous movable body or wire by suctionthat is to say, by exhausting the air from behind, below, or within such body-and such mechanism may be variously modified in its construction and arrangement, as will now be described.

In Fig. 1 the sheet of fibrous material may be fed directly from the drying-rolls R R or from the winding-roll c to a feed-apron d, that feeds the same to the disintegrating card or brush b, or, as stated, said sheet may be wound on a rollerc as it comes from the dryingrolls and the roller transferred to the condensing apparatus, as shown in said Fig. 1. The disintegrating devices consist of a revolving card or brush b, that operates with a toothed concave a, a clearing-comb or teeth b, or a clearerbrush revolving in a direction the reverse of that of the card or brush b, being employed to keep the teeth of the card or brush clear of,fibrous material. The box B, in which the operative devices are contained, has'the form of a truncated cone or substantially so, the

concave a and card or brush b being at the smaller end. In the opposite larger end of the box are mounted four rollers 1, 2,. 3, and 4, that extend from side to side of the box and carry an endless apron j, as well as a foraminous or perforated apron h. As shown, the roller 4 serves to keep that part of the apron out of contact with the perforated apron I, so as to form behind the latter an exhaust-chamber 0, connected to any suitable exhaust apparatus through pipe 9.

To prevent access of air to the exhaustchamber from the rear end ofthe box or housing B, I employ two rubber rollers k, that bear upon the forami-nous apron h, and rubber plates k, that bear on said rubber rollers. Any other means may, however,be employed for this purpose, while air is freely admitted in front of the apron h, through opening 0.

The sheet of wadding or lap formed by the. suction and condensed thereby upon apron h is taken oh. in any suitable manner or wound upon a roller 2', revolved in its hearings, in which, like roller 0, it is detachably mounted. The sheet of wadding or lap may also be formed on adrum having its periphery perforated, as shown in Fig. 2, the air being exhausted by pipe g.

For certain uses, especially when short fibrous materials are to be prepared for spinning, I combine therewith longer fibers, and if it is desired to manufacture wadding for surgical purposes antiseptic substances may be combined with the fibrous materials either while held in' suspension in water or when they are formed into a sheet and before said sheet is pressed and dried.

In Fig. 3 I have shown a paper-making machine of suitable construction for carrying out my invention; but Idesire it to be understood that I do not limit myself thereto, as any other known construction of paper-making machine providedwith feeding devices for feeding the fibers suspended in water to the condensing device, whether wire or cylcinder, may be employed.

Having thus described my invention, what I claim as new therein, and desire to secure by Letters Patent, is

1. In the art of preparing, short fibers for spinning and other purposes, the proce s which consists in suspending the fibrous material in'a liquid, condensing the fibers into a sliver, sheet, or lap, disintegrating the said sliver, sheet, or lap, and recondensiug the same into a loose sli'ver, sheet, or lap, for the purpose set forth.

2. In the art of preparing short fibers for spinning and other purposes, the process which consists in suspending the short fibers in a solution of an antiseptic or disinfectant, condensing the' fiber into a sliver, lap, orsheet, disintegrating the said sliver, lap, or sheet, and recondensing the same into a loose sliver, sheet, or lap, for the purpose set forth.

3. In the art of preparing short fibers for spinning and other purposes, the process which consists in suspending the fibrous material in a liquid, condensing the fibers into a sliver, lap, or sheet, compressing and drying the same, disintegrating the compressed and dried sliver, lap, or sheet, and recondensing the same into a loose sliver, lap, or sheet, for the purpose set forth.

In testimony whereof I atfix my signature in presence of two witnesses.

, CARL KELLNER.

Witnesses:

JULIUS GOLDSCHMIDT, A. Scnnnssme.

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