US892911A - Apparatus for treating woolen yarns. - Google Patents

Description

No. 892,911. PATENTED JULY 7, 1908.

G. STONE. APPARATUS FOR TREATING WOOLBN YARNS.

APPLICATION FILED JULY 14. 1906.

2 SHEETS-SHEET l.

II I H HIIIHI No. 892,911. PATENTED JULY 7, 1908.

- G. STONE.

APPARATUS FOR TREATING WOOLBN YARNS.

APPLIOA ATION FILED JULY 14, 1906.

2 SHEETS-SHEET 2 UNITED STATES PATENT OFFIOE.

GEORGE STONE, OF NORTH ANDOVER, MASSACHUSETTS, ASSIGNOR TO M. T. STEVENS, NATHANIEL STEVENS, S. D. STEVENS, AND M. T. STEVENS, JR, OF NORTH ANDOVER,

MASSACHUSETTS, A FIRM.

APPARATUS FOR TREATING WOOLEN YARNS.

To all whom it may concern: Be it known that I, GEORGE STONE, of North Andover, in thecounty of Essex and State of Massachusetts, have invented certain.new and useful Improvements in Appa-.

drawn from the spools frequently breaks and necessitates stopping of the machine to tie together the separated ends, and while the apparatus is thus stopped and the yarn stationary, it is necessary to remove it from the dressing composition or size. To avoid this necessity is the object of my invention, in carrying out which I provide an apparatus in whichv the yarn is fed at a certain predetermined level, .and arrange means for raising a quantity of the dressing so that it will act on the yarn when the latter is moved; and will subside below the yarn when the latter stops, and thereby leave the yarn above and out of the dressing.

Of the accompanying drawings,-Figure 1 represents aside elevation of a machine embodying the principles of the invention. Fig. 2 represents a cross section of the same,

. showing oneend. Fig. 3'represents a longitudinal section. Fig. 4 represents a similar section on an enlarged scale, of the auxiliary vat containing the dressing composition through which the yarn is drawn. Fig.

-5 represents a longitudinal section of one end of the drying box into which the yarn is led after being treated.

, The same reference characters indicate the same arts in all the figures.

He erring to the drawings, 1 represents one of aseiies of strands of yarn which are led from a spool stand through a reed (not shown) to rolls 2 and 3 which squeeze the yarn between them and feed it. The lower roll 2 dips into the vat 4 containing a dressing composition or size so that it may lift a quantity ofthe size and deposit it on the Specification of Letters Patent.

Application filed July 14,

Patented July 7, 1908.

1906. Serial No. 326,289.

1 yarn. As woolen yarn is composed of fibers which are so close together that the size canshort time the yarn is gripped by the rolls, it is necessary to provide additional means for depositing the dressing on the yarn and more evenly sizing the latter. This means consists of an auxiliary vat 5 located above the main vat 4 slightly below the plane in which the strands of yarn are carried. One of the sides of the auxiliary vat is of less height than the other sides, and has an edge 6 located slightly lower than the nip of the rolls and above a portion of the lower roll 2. When the vat 5 is full and more of the dressing issupplied to it, the excess overflows the edge 6 and drops upon the surface of the roll 2, and this edge accordingly determines the level of the composition in the vat when the supply thereto is interrupted. The yarn, to be treated is led over the auxiliary vat, as shown in Fig. 4, at a slight distance above the edge 6 and the level of the dressing determined thereby.

is supplied through a pipe 8 leading from the bottom of the main vat 4, and from which itnormal, minimum level established by the edge 6. The discharge ca acity of the pum is sufficient to raise t e level in the auxi iary vat a considerable distance above the minimum, and an adjustable guide roll by the sizing when the level thereof is thus raised. This guide roll is adjustable, being mounted upon arms 15 pivoted to the opposite ends of the vat 5 wluch can be raised and lowered and locked in position by clamping nuts 16 assing through slots near the free ends of t e arms. The guide roll is adjusted so that the yarn will be submerged to'the re- To su )ply the dressing tothe auxiliary vat, I provi e a pump 7 to which the composition composition therein is raised above the not work thoroughly into them during the is forced through pipes 9 and 10 to a delivery 14 locates the yarn so that it will be reached quired extent in the sizing when the level of the latter is thus raised.

The roll 2 and pump are both 0 erated simultaneously from the same drive s aft 17,

the latter having a inion 18 meshing with a gear 19 on the sha t 20 of the roll, and also having a gear 21 in mesh with a pinion 22 on a shaft 23 of the pump, which is preferably a rotary centrifugal one. Thus when it is edge 6, and its level uickly subsides to that shown in Fig. 4, be ow the yarn, leaving the yarn clear. The dressing is prevented from flowing back through the supply pipe by means of a check valve 24 mounted in the coupling 25 which unites the pipes 10 and 11. Thus the dressing cannot be lowered below the level of the edge 6, and so it can be quickly raised again to the yarn as soon as the machine is'once more started. The

pump by producing a variation in the level of the sizing composition, not only performs .a function similar to lowering and raising the yarn into and ent r the vat in a more rapid and efficient manner, but it also agitates the composition and keeps it in a uniform condition throughout,thereby overcoming the tendency which the material has of separating into its thin and viscous constituents. This insures a uniform treatment of all parts of the am.

T e upper roll 3' has trunnions 26 which are retained in sockets in the frame of the machine, and rests upon the lower roll by which it is turned. ing by which the yarn is pressed against the hard lower roll to. squeeze out the excess of the sizing composition, and to furnish the gri necessary to feed the arn. rom the squeezing roll the am passes into a drying chamber 27 to w 'ch heated drawnofi from the auxiliary vat throu h ale back an forth several times over rolls 28 at eachend of the chamber (the rolls at hole in the bottom, which is'normallyj ept closed by a lug 29, and is forced out from the pump an piping bysteam blown through a pipe 30 wine leads from a boiler. .By means of the steam blow-out, the sizing com- .position, which becomes stifi when cold, is expel ed and prevented from clogging the- It has a yielding cover-- air is supplied, and in which the yarn is I claim 1. An apparatus for sizing yarn, comprising means for feedin yarn, a receptacle over which the yarn is fe containing liquid dressand means connected with said feeding means, so as to be operable simultaneously therewith, for raising the level of the dressing up to the yarn only when the feeding means and yarn are moving.

2. An apparatus for sizing yarn, comprising mechanism for advancing yarn progressively, and means and provisions associated therewith for raising a quantity of liquid dressing sufliciently high to immerse the yarn while said feeding mechanism and yarn subside below the yarn w en the same are stationary, the yarn being maintained meanwhile at a constant level.

3. In an apparatus of the character described, a vat containing liquid dressing and having an overflow, a device for drawing yarn over the vat slightly above the overflow level, and automatic means for raising the liquid up to the level of the yarn to act on the yarn when said device isactive and the yarn is in motion and for permitting the the same is stationary.

4. In an apparatus of the character deing yarn over the vat above the normal quiescent level of liquid therein, and means operable simultaneously with said devices for vat faster than it can drain awa whereby the-level of the dressing is raise to that of the yarn when said device is active.

scribed, a vat containing a fluid dressing composition, rolls turning oppositely in cons uee and feedin arm, a secondvat above iil l e first vat ovir which yarn passing to the squeeze rolls is carried, and means for supplying an excess of dressing'to the second vat only while the squeeze rolls areactive, whereby the level of dressing therein is raised at such times sufiiciently'to moisten the yarn passi thereover and is permitted to subside whent e yarn is stationary.

- 6. In an apparatus of the characterdescribed, a vat containing a fluid dressing composition rolls turning oppositel-yin contact, one of which dips into-the vat, for squeezing and feeding yarn, a second vat above the first vat insuch position that excess or dressing therein may overflow into the first vat over which yarn passing to the squeeze rolls is carried, and, meansfor sup- 'p ying an excess of'dressing to the'second vat only'while the squeeze rollsare active,

- I Whereby the level of dressing thereinl is raised ing at a normal level lower than the yarn,-

are in motion, and causin' said dressing toliquid to subside away from the yarn when supplying a fluid dressing composition to the- 5. In an" apparatus of the character de-w tact, one of which dips into the vat, for

scribed, a vat, devices for guiding and draw- ,tact, one of which dips passing thereover and is permitted to subside when the yarn is stationary.

7. In an apparatus of the character de scribed,- a vat containing a fluid dressing composition,,rolls turning oppositely in coninto the vat, for squeezing and feeding yarn, a second vat above the first vat in such position that excess of dressing therein may overflow into the first vat over which yarn passing to the squeeze rolls is carried, and means for pumping dressing from the first to the second vat while'said rolls are active at such a rate as to .raise the level in the second vat above the overflow up to the yarn, the pumping means being inoperative when the rolls and yarn are stationary.

8. A yarn-treating machine comprising a vat containing a dressing composition, a roll dipping into the composition, a second vat above the first vat having one side lower than the others arranged to discharge the overflow therefrom upon, said roll, a pump for lifting dressin from the first. to means or driving said roll and pump simultaneously, and a second roll cooperating with the first roll to feed yarn overthe second vat at a sh htly higher level than the overflow edge t ereof and to squeeze excess of dressing from the yarn, the pump having a discharge capacity sufficient to raise the level of the dressing in the second vat up to that of the yarn when the latter is being fed. 9. A yarn-treating apparatus comprising a vat, means for supplying an excess of'fluid V level such dressing composition level above an overflow outlet of the vat, means for giving a continuous feed movement to yarn to draw it over the vat; and connections between the feeding and fluidsupplying means to cause the su ply of excess dressing to cease when the eed movement of the yarn is stopped; the yarn being guided at a height above the overflow v thatit is immersed in the dressing when the level thereof is raised.

10. A yarn-treating apparatus comprisim a vat, means for supplyrn an excess of flui dressing composition to t e vat to raise its level a ove an overflow outlet of the vat, means for giving a continuous feed movement to yarn to draw it over the vat; the

parts arranged and connected so that the supply of excess dressing will cease when the fee movement of the yarn is sto ped, and a uide roll in advance of said fee means adustable to var the height of the yarn above the vat -over ow and secure the proper amountof submergence of the yarn in the dressing-when the latter is raised.

a vat, a pump for supplylng 1 1. A y arn-treating apparatus comprising a fluid dressing composition to the vat, feed rolls for gri ping and drawing yarn across the vat, and a diiver the second vat,

to the vat to raise its -main to the auxiliary connected to said feed rolls and pump for operating them'simultaneously, the vat having a normal minimum level below the ya n, the level being raised by the ump above the yarn only while the feed rol s and yarn are in motion.

12. An apparatus of the character described comprising a vat containing afluid dressing, an auxiliary vat above the main vat, a pump for lifting the dressing from the main to the auxiliary vat and causing it to overflow from the latter, whereby the dressing is kept agitated and of a uniform consistency, means for feeding yarn over the auxiliary vat in contactwith the overflowing dressin and means for stopping the pump when t e yarn is stationary, whereby the dressing may subside below the yarn.

13.-An apparatus of the character described comprising a vat-containing a fluid dressing, an auxiliary v -t above the main vat, a pump for lifting the dressing from the main'to the auxiliary vat and causingit to overflow from the latter, whereby the dressing is kept agitated and of a uniform consistency, and cooperating rolls for gripping, feeding and squeezing the yarn to remove the excess dressing, one of said rolls dipping into the main vat and located to receive the overflow from the auxiliary vat, said rolls being also located to draw the yarn through the dressin overflowing from the auxiliary vat.

14. n apparatus of the character described comprising a vat containing a fluid dressing, an auxiliary vat above the main vat, a pump for lifting-the dressing from the vat and-causing it to overflow from the latter, whereby the dressing is kept agitated and of a uniform consistency, means for feeding yarn over the auxiliary vat in contact with the overflowing dressing, means for stopping the pump when the yarn is stationary, whereby the dressing may subside below the yarn, and a check valveinthe delivery of the pump for preventing return therethrough of the dressing from the auxiliary vat when the pump is at rest.

15. An apparatus of the character described comprising a vat containing a fluid dressing, an auxiliary vat above the main vat, a pump main to the auxiliary vat and causing it to overflow from the latter, whereby the dressing is kept agitated and of a uniform consistency, and a pipe connected to the pump for admitting steam to clear the dressing for lifting the dressing from the from the pump and connected delivery pipe.

of the liftin roll arranged adjacent the yarn so as to app ycomposition thereto before the latter is engaged by the lifting roll.

17. In combination with the receptacle for sizing composition and the applying roll of a yarn-sizing apparatus, an auxiliary vat 10- In testimony whereof I have aflixed my cated abogredsairli rfiaceptacle and adapted tfi signature, ill-presence of two Witnesses.

containa 0 0 t eslzin corn osition Wit its surface at the level of yarn ied over the GEORGE STONE 5 applying r011, said auxiliary vat being ar- Witnesses: A 4

ranged to discharge the overflow of, the sizing MARGARET G. HURLEY, composition upon the lifting r011. HARRY R. DOW.

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