US1318149A - Setts - Google Patents

Description

C. H. HOWARD.- PAPER REINFORCING MACHINE.

APPLICATION FILED MAR-1911911. I

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c. H. H0WARD.

PAPER REINFORCING MACHINE.

APPLIQATION FILED MAR. 19. I91]- LBWAQQ, I V v Patented Oct. 7,1919.

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PAPER REINFORCING MACHINE.

APPLICATION FILED MAR. 19. 191/.

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APPLICATION FILED MAR.19,1917.

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UNITED STATES Parana OFFER,

CHARLES H. HOWARD, or SAUGUS, MASSA MACHINE COMPANY, OF BOSTON, SETTS.

Specification of Letters Patent.

CHUSETTS, ASSIGNOR TO PAPER PRODUCTS MASSACHUSETTS, A CORPORATION OF MASSACHU- P-A-PER-.REINFORCING MACHINE.

Patented Oct. 7, 1919.

Application filed March 19, 1917. Serial No. 155,679.

To all whom it may concern: Y

Be 1t known that I, CHARLES H. HOWARD,

a citizen of the United States, residing at the draw and more particularly to such machines for reinforcing paper fabrics or paper stock by the application of reinforcing filaments thereto. 7

In this general type of machines, the

main difficulty is experienced in expeditiously and economically applying the transversely extending reinforcing filaments which may be threads, cords, wires, or similar elements. In a priorapplication, Serial Number 134,259, filed December 1, 1916, applicant described and claimed a machine and its various novel features wherein the transversely-extending reinforcing filaments were drawn from asource of supply by means verse relation thereto.

movable transversely of the machine and were then transferred to a carrier in trans- It'has been found desirable in practice to impart to the transversely movable means a uniform path of transverse travel and to hold or lock the said means at the end ofits transverse travel in one direction to insure that the ends of the reinforcing filaments. shall be properly engaged by thesaid means and toagain hold or lockthe saidimeans at the end of its transverse travelin the opposite direction to insure that a proper and uniform length of transverse reinforcing filaments shall be distended or drawn from the source of supplywithout breaking such filaments;

' .An important feature of the present invention, therefore, consists in imparting to the said drawing or distending means a fpre determined extent of transverse travel devoid of back-lash. or uncertainty as to the position of the said means as it reached the ends of its transverse movement. In carrying this feature of the invention into practical effect, the drawing. or distending'means is connectedto a screw or" spiral mounted,

accompanying drawings, is a,

with its axis extending transversely of the machine and'rota-ted by suitable actuating means, so that the movement of the drawing or distending means is positive and smooth at all points of its travel and at the end positions it is stopped and held accurately at the predetermined point without the back-lash or lost motion that is liable tooccur where gearing or rack teeth are employed.

Another important feature of the invention consists in giving a slow start and a slow finish to the transverse travel of the drawing or distending means but a relatively higher speed between these positions. This obviates all shock and vibrations, and enables the drawing and distending means to be brought to rest at exactly the position desired for the best results. This feature of the invention is carried into effect by giving the screw or spiral different pitches or inclinations relative to the axis thereof at different portions. For instance, at the ends, the screw or spiral may have a neutral character or be formed at right angles tothe axis thereof, and from the neutral point inward or toward the middle of the screw or spiral transversely of the machine,

the'pitch or inclination of the screw or spiral may gradually increase, so that the drawing or di'stending means will start slowly from a position of rest, gradually increase its speed of transverse travel to a maximum, and then gradually slow down until at theend ofits transverse travel it comes'to rest.

When two drawing or distending means are employed, one at each side of the machine, and are movable toward and from each other in drawing or distending the reinforcing filaments transversely, the screw or spiral means for moving the drawing or distending means is particularly advantageous, as it permits the drawing or distending means at opposite sides of the machine to be moved into proper relation with great nicety for the transfer of the hold on the ends of the, reinforcing filaments, and permits quick movements without shock at start and finish so that breakage of threads is avoided. In this double character of drawing or distending means, the screw or spiral is formed with two pornons reverse y a1" ranged, so that by rotation in the same direction they will act to move the drawing or distending means either toward or from each other.

In cases where a single screw or spiral is employed to impart full transverse travel to a single drawing or distending means, or where the screw or spiral has reversely arranged portions for operating drawing or distending means from opposite sides of the machine, the screw or spiral must be rotated first in one and then in the opposite direc tion to give the necessary movements to the drawing or distending means. An important feature of the present invention, therefore, consists of means acting automatically to rotate the screw first in one and then in the opposite direction.

Various other features of the present invention in addition to the above will be hereinafter described in connection with the accompanying drawings, showing one good form of means for carrying the invention into practical efiect.

In the drawings Figure 1 is a side elevation of a machine containing the present invention, some of the parts being broken away and others omitted for clearness of illustration;

Fig. 2 is an end elevation of the same ma chine, some of the parts being shown in section and others broken away to show parts beyond;

Fig, 3is a plan view of one half of the same machine, and more particularly showing" the screw or spiral means for operating the drawing or distending means;

Fig. +1: is a similar view in plan of the remaining half of the machine;

Fig. 5 is an enlarged sectional elevation showing the means for changing the direction of rotation of the screw or spiral for traversing the drawing or distending means transversely Fig. 6 is a detached view on an enlarged scale, showing the brake mechanism for stopping the screw or spiral;

Fig.7 is a side elevation of the brake mechanism;

Fig. 8 is a sectional detail. showing the limiting stop for the screw or spiral means;

Fig. 9 is an enlarged section on the line 9-9, Fig. 2;

Fig, 10 is an enlarged section on the line 1010, Fig. 2;

Fig. 11 is an enlarged section on the line 11-11, Fig. 2;

Fig. 12 is an edge view of the clutch operating cam.

In an application filed December 1, 1916, Serial Number 134,259, a machine for reinforcing paper material was shown and described, wherein drawing or distending means was movable transversely of the machine frame for drawing reinforcing filaments from a source of supply into transverse relation with and for transfer to a receiver which was either the paper material itself or a carrier for transporting the filaments to the material at a more remote position. In that application the drawing or distending means had, in addition to its transverse drawing or distending movement, a further movement toward and from the receiver and a movement in the direction of feed of the receiver in order to place the filaments in transverse position relative to the receiver and maintain them in that position until they were properly secured thereto. These same characteristic movements of the drawing or distending means or some of them may likewise be utilized in connection with the present invention which, however, has to do more particularly with the means for giving to the said drawing or distending means the transverse movements. In exploitation of the invention, a machine similar to that of the prior application is shown having the present invention associated therewith, but, it is to be understood that this is for illustrative purposes only,

and that the invention is not limited to such machine, but may be advantageously employed with other forms of machines for reinforcing paper materials. In the following description, therefore, only a general treatment will be given to those features of the machine which are shown and described in the prior application, as will be sufficient to make clear the characteristics of the present invention and its operative relation with other portions of a paper material reinforc ing machine of which the machine of the said application is a convenient type.

The machine frame may be of any'suitable character for supporting the operating parts and as shown in the drawing may comprise the base blocks 1 surmounted by the stationary frame 2 and braced by suitable ties 3.

Supported in suitable bearings 4 of the stationary frame 2 is the main driving shaft 5 which may be provided with the usual fast and loose pulleys 6 and 7, Fig. 2, through the medium of which and a connected belt the operating parts of the machine may be actuated or permitted to rest, in a manner well understood by those skilled inthe art. The main driving shaft 5 transmits movement to the various operating portions of the machine, as will more fully appear.

Mounted upon the supporting frame for rising and falling movement with respect thereto, is a second frame 8 which, for identification, may hereinafter be termed the gripper frame. The gripper frame 8 as described in the prior application, consists of a suitable framework generally rectangular in plan, and mounted upon the corner supports 9 which extend into suitable guideways in the main supporting frame. The

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gripper frame may be raised and lowered at appropriate times for placing the transversely-arranged filaments upon the receiver beneath, by any appropriate form of actuating means. In the present instance of the invention, such means consists of suitable pinions 10 mounted on the shafts 11 and connected by the arms 12 and 13 which may be substantially in all respects as fully described in said prior application, said pinions 12 intermeshing with .the rack teeth formed on the stand 9, as described in said application, and the gripper frame being preferably counterbalanced by weights 14: connected to one end of suitable chains 15 which pass over the guide pulleys l6 and have their other ends secured to the corner supports 9. The pinions 10, of which there are one at each corner portion of the frame, may be oscillated first in one and then in the opposite direction by means such as fully described in said prior application, and since the details of such means form no part of the present invention, further elucidation of this feature of the machine is not deemed necessary.

Mounted upon the gripper frame 8 for movement transversely of the machine, is

the gripper carrier frame 17, Fig. 1, having rollers 18 which travel on the transverse trackways 19, the construction being such that the gripper carrier frame 17 may move transversely of" the gripper frame, substantially as fully described in said prior application and for the purpose of enabling the drawing or distending means to engage reinforcifig filaments and draw or distend them from a source of supply into transverse relation with the machine. The gripper carrier frame may be appropriate in size to suit the conditions of use, but in the present instance of the invention, it is of such dimensions as to support a plural number of separate drawing or distending means and in order to give it proper transverse guiding movement, the gripper carrier frame is provided at each end with the rollers 18 which travel upon suitable trackways 19. Mounted on the gripper carrier frame which, as described, is movable transversely, of the machine, is the frame 20, Fig. 1, which for identification, will be known 7 herein as the gripper carrier, and which may be of the same general construction as more fully described in the said prior application. The gripper carrier 20, as in the prior application, may have mounted thereon a series of drawing or distending means, such as grippers comprising jaws for grasping and releasing the reinforcing filaments. In the present illustration of the invention, the gripper carrier carries five sets of such grippers, but as will be obvious to one familiar with this class of machines, the number of grippers may be varied to suit the conditions of use. The grippers 21, Figs. 1 and 2, comprise relatively movable jaws which may be of appropriate character to seize and release reinforcing filaments and uch jaws may be appropriately operated as by means of the arms 22, Fig. 2, actuated from the rock shaft 23, the pinion 24 and rack 25, all of which parts may be of approved construction, and'in the present instance of the invention are shown as similar to the corresponding parts described in the prior'application. One of the jaws of each gripper is constructed with relatively movable portions so that a plurality of re inforcing filaments of different size may begrasped by or between the jaws, such construction'and operation being substantially the same as more fully described in a prior application filed by applicant, now Patent Number 1,211,852, dated January 9, 1917. The gripper carrier is preferably given a movement longitudinal of the machine as well as transversely thereof in the present instance of the invention, but this longitudinal movement of the gripper carrier may not always b necessary. This longitudinal movement of the gripper carrier becomes of importance, however, when the transversely-arranged reinforcing filaments are to be placed directly upon the material to be reinforced,.because in such event, it is desirable to hold the reinforcing filaments under a certain amount of tension and in proper transverse relation to the material to be reinforced until such reinforcing filaments have become securely attached thereto.

From the construction thus far described, and as more fully elucidated in the'prior application referred to, itwill be apparent that upon movement of the drawing or distending means transversely of the machine, and actuation of the gripper jaws substantially as pointed out in said prior application, a plurality of reinforcing filaments Will be drawn from a source of supply and arranged in substantially parallel relation transversely of the machine. If the reinforcing filament-s thus arranged by the drawing or distending means are to be applied directly to the material to be reinforced. or

rial to be, reinforced, the" distended and transversely-arranged filaments and the fabric'or carrier must be moved in a direction of approach. This is effected in the present instance of the invention by lowering the gripper frame 8 on which the gripper carriers are mounted so that the transversely distended reinforcing filaments are lowered into the plane of the receiver beneath, whether such receiver be the material to be reinforced or a carrier for transferring the material to a distant point for application to the material to be reinforced. In all of these respects, the construction and opera- .to a carrier for transportation to the matemachine, pass.

tion of the machine showuanay be the same as that described in said prior application.

In the illustrated form of the invention,

'however the IIIIUISVOISC reinforcin filtl" ments are shown as placed upon a carrier to be by it transferred to a distant point for application to the material to be reinforced; and in this respect the construction shown may be substantially the same as that of the prior application. The carrier in the pres ent instance of the invention comprises a sprocket chain 26, the links of which carry means for engaging the transversely distended reinforcing filaments when presented thereto by the drawing or distending means. It is not deemed necessary to illustrate these features of the construction in detail, since they may all be of any desired character and substantially the same as more fully disclosed in said prior application. Mounted upon the machine frame 2 are the bearing blocks 27 and 28, carrying shafts 29 and 30, on which are mounted suitable sprockets 31, Figs. 1, 3 and 4, about which the sprocket chains 26, one at either side portion of the The shaft 30 may receive movement from the driving shaft through a suitable train of gearing, as will readily be understood by those skilled in the art, a form of such gearing being typified in Figs.

' 2 and 3, wherein 32 represents a gear secured to the driving shaft which is operatively engaged with the pinion 33 which may be connected to the shaft 30, the construction being such that as the main driving shaft 5 is rotated, the sprocket shaft 30 will be rotated to move the sprocket chains or carrier to carry the transversely disposed reinforcing filaments for application to the material to be reinforced.

The material to be reinforced may be drawn from any suitable source of supply,

and either provided with a previously ap-.

plied adhesive material on one face thereof, or have such material applied as the paper is drawn from the source of supply. In some instances, it may be desirable to take' the paper directly from a paper-making machine, and all of these conditions are within the purview of the present invention. In the illustrated form of the invention, however, thepaper a, Fig. 1, is drawn from a source of supply and passed about a guide roller 3 Fig. 1, and beneath compression roller 35 which guide roller 34 may be driven from the main driving shaft through any suitable connection, as will be readily understood, the construction being such that as the Y a guide roller 34 is rotated, it will draw the paper material longitudinally and feed it into position for receiving the transverse reend of the chain travel so that as the chain or carrler moves in lts rectilinear path, it

will deposit the transverse reinforcing filatending means shall draw from a source of supply reinforcing filaments and place them transversely of a receiver. This may be effected by suitable drawing-in or distending means in the form of grippers as in the prior 1 application referred to, and while one such drawing in or distending means movable transversely of the machine may be sufiicient in many cases, in the present-instance of the invention the drawing-in or gripper means is formed of two members, one disposed at each side portion of the machine and each of which is moved toward the median line of the machine and then back again to the side thereof, substantially as described in said prior application. This character of construction is well adapted for the economical production of reinforced paper ma terial, but of course it will be understood that the invention is not limited to the number of drawing-in or distending means, because in some instances one such drawingin or distending means may travel complete'ly across the machine, as will be obvious to those skilled in the art.

' In the illustrated form of the invention there is mounted near each end portion of the gripper frame 8, a; transversely-eXtend-- ing shaft 36 supported 'by suitable bearings 37 37 carried by the gripper frame. Each of the shafts 36 carries a screw or spiral for V effecting transverse movement of the draw- Where the ing-in or distending means.

drawing and distending means is duplicated at opposite sides of the machine, as in the resent instance of the invention, each transverse shaft 36 carries two of such screws or spirals. These screws or spirals may be variously formed, but in the present instance of the invention comprise the sleeves 38 having formed therein a: screw or spiral path. The sleeve 38 may be secured to the shaft by suitable means such as the pins 39.

Each of the gripper carriers has aroll or pin 40 adapted to engage with the screw or spiral of the sleeve 38, the construction being such that by rotating the screw or spiral 38 the connected gripper carrier will be moved transversely of the machine, and per-' force, give to the drawing or distending means its transverse movement for drawing the reinforcing filaments from a source of supply and distending them transversely of the machine.

It may be desirable in some instances to support the shaft 36 centrally of the machine as by the bearings from the gripper frame, and suitable means are provided for effecting rotation of the shaft 36 and perforce, the screw or spiral carried by the sleeve 38-, one form of which will now be described.

One end of the shaft 36, preferably projects beyond the side of the gripper frame and is provided with a gear or pinion 42, Figs. 1 and. 2. Loosely mounted on the shaft 36 are the arms 43, Figs. 1 and 2 which are pivotally connected by a pin or bolt 44 with the upper end of arms 45, the lower end of which are connected to the machine frame to pivot about an axis 46, the construction being such that as the gripper frame rises and falls as hereinbefore described, the arms or links 43 and 45 will act as a toggle and be alternately more-or-less straightened and broken. Loosely mounted upon the pin or bolt 44 which connects the arms 43 and 45 is' a gear or pinion 47 which meshes with another gear or pinion 48 rotatably mounted intermediate the pinion 47 and 42 to the arms 43 as indicated in Figs. 1 and 2.

Extending between .the arms 45 is a pin or stud 49, Fig. 2, on which is mounted the sleeve 50 carrying the pinion 51 which.

meshes with the pinion 47, hereinbefore described. Secured to the sleeve 50 is the pinion 52 to which power is applied to rotate the train of gearing described and impart rotative movement to the shaft 36 and per force the screw or spirals carried thereby.

In the form of the invention shown, it is necessary to rotate the screw or spiral first in one and then in the opposite direction to impart to the drawing or distending means its travel transversely of the machine and return, and to this end automatic devices are provided between the main driving shaft 5 and the shaft 36 for reversing the direction of rotation of said shaft at the desired times. As a' practical embodiment of this feature of the invention, the frame of the machine is provided with the brackets 53 and 54, Figs. 2 and 5, between which is supported the hollow stud 55 having loosely mounted thereon the master gear 56, the elongated teeth of which are constantly engaged with the teeth of the pinion 52, Fig. 5. Supported rotatably upon the stud 55, one at each side of the master gear 56, are the gears 57 and 58 which are constantl driven in opposite directions from the main drivin shaft 5 by suitable driving connections. 'n the present instance of the invention, the main driving shaft 5 has secured thereto a pinion 59,

41, Fig. 2, risin that when the Fig. 11, which through the idler 60, Fig. 11, transmits constant rotary movement to the gear 57 in one direction. Also secured to the main driving shaft 5 is the pinion 61, Fig. 9, which, through the idlers 62 and 63, Fig. 9, transmits constant rotary movement to the gear 58 in the opposite direction. The idlers 60, 62 and 63 are supported by suitable studs secured to the supporting brackets 53, 54. The master gear .56 is movable longitudinally of the supporting stud' 55 betweenv collars 64 and 65, Fig. 5, which, by suitable means, such as the pins 66 movable in slots of the'studs, as shown,-are secured to a shifting rod 67, the construction belng such that upon longitudinal movement of the shifting rod 67, the master gear Wlll be moved to engage one or the other of the gears 57 or 58 to thereby rotate the master gear in one or the opposite direction. In order that the master gear may partake of the rotary movements of one or the other of the gears 57 or 58 without shock, suitable friction shoes are provided. In the present instance, the gears 57 and 58, as

well as the master ear 56, are provided with flanges 68 and a notion surface 69 is secured to the flanges of the gears 57 and 58,

the construction being such that when the master gear is moved to place its flange in operative relation with the flange of one of the gears 57 or 58, there will be a gradual start of the master gear in the appropriate direction.

After the master gear has been thusstarted without shock Q and consequently without danger of breaking the reinforcing elements by too sudden start of the drawing or distending means, it is desirable that the driving connections between the master gear and its engaged gear 57 or 58 shall be positive. To this end, interengaging projections 70 and 71 are provided at the sides of the master gear and the gears 57 and 58, which come into action after the master gear has started.

Mounted for longitudinal movement in the brackets 53 and 54, Fig. 5, is the slide rod 72 from which projects the arm 73 which is in turn secured to the shifting rod- 67. Secured to the slide rod 72 are the fixed collars 74 between which is received the end 75 of a shift lever 76 pivoted at 77 upon a stud secured to or projecting from the bracket 54. The other end 78 of the shift lever carries a pair of-studs or rollers 79 between which rides the cam flange 80 of a cam 81 secured to the shaft 82 and r0 tated thereby in timed relation with the traverse movements of the drawing or distending means, the construction being such drawing and distending means has been moved transversely of the machine to the full extent of its travel, the cam flange 80 will automaticallyv shift the master gear into operative engagement with the other gear 57 or 58 and reverse'the direction of rotation of the screw or spiral to cause the drawing or distending means to travel transversely in the opposite direction.

'In the illustrated form of the invention, the driving means for the screw or spiral is directly connected to only one screw shaft 36, but where a screw shaft 36 is employed at each end of the machine, as shown in the present form of the invention, it is desirable that both shafts shall be operated in unison.

To this end,the screw shafts 36 at each end of the machine, are operatively connected to rotate in unison and in the present instance, said shafts are connected by the connecting rods 83, one at each side of the machine frame. As a convenient form of said connecting rod construction, the screw shaft 36 which is driven directly from the driving mechanism as hereinbefore described, has its end portion projecting beyond the machine frame sufficiently to receive upon it the disk 38 to which is provided at 85 one end of a connecting rod 83, the other end of said connecting rod being joined at 86 to a counterweighted crank shaft 87 secured to the end of the screw shaft 36 at the opposite end of the machine. If desired, each end of the two screw shafts 36 at the opposite ends of the machine may be similarly connected, it being preferable in order to counterbalance the action of parts, to counterweight .the crank connecting portions, substantially as indicated in Figs. 1 and 2.

When the drawing or distending means has been moved to the end of its transverse travel, in either direction, it is desirable that the screw shafts may be promptly brought to rest to prevent overmovement, and to effect the arrest. of the drawing or distending means in proper position for receiving or discharging the reinforcing filaments. To this end, the disk 84 on the directlydriven screw shaft 36, has a broadened peripheral portion 88, Fig. 6, adapted to be engaged by a brake shoe 89 mounted on an arm 90, Fig. 7, pivoted at 91 to the gripper frame and having a collar 92 bearing upon the peripheral portion of a cam 93 mounted on the cam shaft 94.- carried by the gripper frame and held in contact therewith yieldingly by a spring 95, the construction being such that when the directly-driven screw shaft 36 has made the necessary rotative movement to carry the drawing or distending means to the end of its travel transversely of the machine, a cam portion on the cam 93 will lift the roll 92 and cause the brake shoe 89 to bear forcibly upon the periphery of the disk 84, thereby insuring a predetermined point at which the drawing or distending means shall be brought to rest.

ject. the plunger 96 and restrain from over-v projection by means of a stop 98. In the normal operation, the plunger 96 will be projected from the seat 99 on the arm 90, and, when the directly-driven screw shaft 26 shall have made its prescribed rotation, the end of the plunger 96 will be depressed by its spring 97 into engagement with a recess 100, Fig. 7, formed in the peripheral portion of the disk 84, and after bringing the screw shaft to rest, will immediately be released from said recess by its actuating cam 93. The brake and stop hereinbefore referred to may not always be necessary,but they are found to be effective in certain cases and to insure accurate positioning of the drawing or distending means at the ends of its transverse travel.

The economic production of reinforced paper material by the incorporation therewith of transversely-extending reinforcing filaments, requires that the drawing and distending means shall not only act effectively to' draw or distend the reinforcing filaments into transverse relation with the material without unnecessarily breaking such reinforcing filaments, but that it shall effect its travel of the drawing or distending means shall be such as to give to said means a relatively high velocity during portions of its travel, and yet start and stop itstravel with a gradually diminishing speed. To this end the sleeve 38 is provided with a screw or spiral 101, Figs. 2, 3 and 4, which has substantially neutral portions 102 at the ends of the screw or spiral and that such screw or spiral gradually increases in pitch toward the middle portion of the screw intermediate the ends thereof, the construction being such that when the drawing and distending means engaged by the screw or spiral has reached the end of its traverse, the neutral portions of the screw or spiral will impart no further transverse movement to such means, and when the drawing or distending means starts on its transverse movement, it will do so with a relatively slow speed which gradually increases until as the drawing and distending means approaches the opposite end of its travel, it will gradually slow down until the opposite neutral portion of the screw of spiral is engaged with sa d means, whereupon said drawing and distending means will-come to rest.- By thus varyin the speed of travel of the drawing or (listen ing means in its transverse movement from a point of rest at either end of its travel, all breakage of the reinforcing filaments, even if they be of a fine or delicate character, will be prevented, and the drawing and distending means will be brought to rest in appropriate position either for taking hold of the reinforcing filaments or for releasing them to the receiver.

Applicant believes himself to be the first. in this art to provide screw or spiral means for imparting movement to the drawing or distending means whereby such drawing or distending means is given a. smooth and shockless movement in the desired direction throughout its travel and islocked from overmovement or back-lash at the ends of its travel; and while the screw or spiral means herein shown and described has been found to be a good, practical form of the present invention, he desires it to be understood that he is not restricted to the particulars thereof, and intends to claim such mean broadly.

What is claimed is 1. In a machine of the character described, the combination of means for presentingmaterial to be reinforced, a ripper frame carrying a series of grippers or distending a series. of reinforcing elements transversely of the material to be reinforced, ascrew for moving the gripper frame transversely of the machine, and means for operating the screw. i

2. In a machine for reinforcing paper material, the combination of means for presenting the material to be reinforced, a gripper frame carrying a series of grippers, a screw for moving the gripper frame transversely of the machine in one direction to cause the, grippers to seize a series of reinforcing filaments leading from a source of supply and, for then moving the gripper frame in the reverse direction to distend the plurality of reinforcing filaments trans-- versely of the machine, ating the screw.

3. In a machine of the character described,

and means for operthe combination of grippers for distending reinforcing filaments transversely of the machme, a recelver for receiving the reinforcing filaments transversely thereof, a screw means for moving the gripperstransversely to travel transversely of the machine.

5. In a machine of the character described, the combination of a receiver adapted to receive reinforcing filaments arranged transversely thereto, 1.163.118 for drawing reinforcing filaments from a source of .supply and distending them transversely relative to the receiver, a shaft having a spiral, means for rotating the spiral, and means for operatively connecting the drawing means and spiral to cause movement of the drawing means to distend reinforcing filaments transversely relative to the receiver as the-spiral is rotated.

6. In a machine of the character described, the combination of means for pre- 1 senting a fabric to be reinforced by transversely extending filaments, means for distending reinforcing filaments .transversely of the machine for application to the fabric to be reinforced, a shaft/having a spiral for moving said distending means transverselyof the machine, and gearing for rotating said spiral 'to cause the distending means to travel transverselyof the machine and be I locked from movement independent. of the spiral. A

In a machine of the. character described, the combination of means movable transversely of the machine for drawing reinforcing filaments from a source of supply, a spiral of varying pitch adapted to be connected to the said means,and-means for rotating the spiral to cause said movable means to travel at varying speeds as it is moved transversely of the machine.

8. In a machine of the character described, the combination of means for distending reinforcing filaments transversely of the machine, a receiver for thetransversely distended filaments, and means for moving the distending means transversely of the machine with gradual changes in the beginning speed, relatively slower at and ending portions of its transverse move portions of its transment than intermediate verse movement.

9. In a machine of the character described, the combination of grippers adapted to engage and draw reinforcing filaments from a source of suppl and place them transversely of the machine, a screw, means for operating the screw first in one and then in the opposite direction, and means for operatively connecting the screw and grippers.

10. In a machine of the character described, the combination of grippers adapted to draw reinforcing filaments from a source of supply and place them transversely of the machine, a screw having neutral end portions and a spiral between said neutral end portions, means for rotating the screw, and means for operatiyely connecting the grippers and screw.

11. In a. machine of the character described, the combination of grippers adapted to draw reinforcing filaments from a source of supply and place them transversely of the machine, a screw having neutral end portions and a variable pitch spiral between said neutral end portions, means for rotating the screw, and means for operatively connecting the grippers and screw.

12. In a machine of the character described, the combination of the machine frame, a receiver movable longitudinally and adapted to receive transversely extending reinforcing filaments, grippers for drawing reinforcing filaments from a source of supply and .placing them transversely of the receiver, a plurality of spirals extending transversely of the machine frame and adapted to be operatively connected to and for moving the grippers, and means for rotating the spirals.

13:"In a machine of the character described, the combination of a receiver for receiving transversely extending reinforcing filaments, distending means for distending the reinforcing filaments transversely relative to the receiver, a screw rotatable about an axis extending transversely of the machine and adapted to be operatively connected to the distending means, mechanism for rotating the screw for moving the distending means, and means for moving the transversely distended reinforcing filaments and receiver in a direction of approach to transfer the reinforcing filaments to the.

receiver.

14. In a machine of the character described, the combination of distending means for distending or placing reinforcing filaments transversely of the machine, a screw for moving the distending means transversely of the machine, said screw having at each end of its spiral a circular portion, and means for connecting the distending means and screw to effect movement of the distending means transversely of the machine and a dwell of the distending means at the end of its transverse movement.

, 15. In a machine of the character described, the combination of distending means for distending or placing reinforcing filaments transversely of the machine, a screw for moving the distending means transversely of the machine, said screw having at each end of its spiral a circular portion, means for connecting the distending means and screw to effect movement of the distending means transversely of the machine and a dwell of the distending means at the end of its transverse movement, and means for rotating the screw first in one and then in the opposite direction.

16. In a machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and distending them transversely of the machine, a screw having a spiral'of less pitch at its end portions than at the intermediate portions and adapted to be con nected to the said means, and operating mechanism for said screw to cause-the said means to travel transversely of the machine at different speeds at different portions of its transverse movement.

17 In a machine of the character described, the combination of means for dis tending reinforcing filaments transversely of the machine, a screw having a spiral of gradually increasing pitch from each end portion toward the intermediate portion of the screw, means for operatively connecting the distendin means and screw, and means for rotating t e screw to effect a gradual increase in the speed of the distending means as it moves transversely and then a gradual decrease in the speed of the distending means as it approaches the end of its transverse movement.

18. In a machine of the character described, the combination of means for distending reinforcing filaments transversely of the machine, a screw having a spiral of gradually increasing pitch from each end portion toward the intermediate portion of the screw, means for operatively connecting the distending means and screw, and means for rotating the screw to effect a gradual increase in the speed of the distending means as it moves transversely and then a gradual decrease in the speed of the distending means as it approaches the end of its transverse movement, and means for reversing the rotation of the screw.

19. In a machine of the character described, the combination of distending means for distending reinforcing filaments transversely of the machine, a screw rotatable about an axis extending transversely of the machine and adapted to be connected to and for moving the distending means, and means for operating the screw to effect movement of the distending means transversely.

20. In a machine of the character described, the combination of distending means for distending reinforcing filaments transversely of the machine, a screw rotatable about an axis extending transversely of the machine and adapted to be connected to and sci for moving the distending means, and means acting automatically to rotate the screw first in one and then in the reverse direction to effect movement of the distending means transversely.

21. In a machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and placing them transversely of the machine, a screw rotatable about an axis extending transversely of the machine and adapted to be connected to said means for moving its transversely, a receiver for receiving the transversely arranged reinforcing filaments, means for operating the screw, and means for moving-the receiver and transversely arranged reinforcing filaments in a direction of approach for transferring the reinforcing filaments to the receiver.

22. In a machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and placing them transversely of the machine, a screw rotatable about an axis extending transversely of the machine and adapted to be operatively connected to the said means, means for operating the screw, and a brake acting to stop rotation of the screw as said means reaches the end of transverse movement.

23. In a machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and placing them transversely of the machine, a screw rotatable about an axis extending transversely of the machine and adapted to be operatively connected to the said means, means for operating the screw, a brake to stop rotation of the screw, and means for auton'iatically operating the brake.

24. In a machine of the character described, the combination of a receiver, means for drawing a plurality of reinforcing filaments from a source of supply and placing them transversely relative to the receiver, screw means extending transversely of the machine and adapted to be operatively connected to the drawing means, and means including a clutch for rotating the screw means first in one and then in the reverse direction.

25. In a machine of the character described, the combination of a receiver, means for drawing a plurality of reinforcing filaments from a source of supply and placing them transversely relative to the receiver, screw means extending transversely of the machine and adapted to be operatively'connected to thedrawing means, means including 'a clutch for rotating the screw means first in one and then in the reverse direction, and means for automatically shifting the clutch.

26. In a machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and placing them transversely of the machine, a screw or spiral extending transversely of the machine adjacent each end portion of the machine, means for operatively connecting each screw or spiral withthe drawing means, and means for operating the screws or spirals to effect transverse movement of the drawing means.

27. In-a. machine of the character described, the combination of means for drawing reinforcing filaments from a source of supply and placing them transversely of the machine, a screw or spiral extending transversely of the machine adjacent each end portion of the machine; means for operatively connecting each screw or spiral with the drawing means, and means for rotating said screws or spirals simultaneously to effect transverse movement of the drawing means.

28. In a machine of the character described, the combination of gripper frames movable transversely of the machine toward and from each other, a shaft extending transversely ofthe machine and having oppositely arranged spirals, means for opera-tively connecting one of the spirals to one gripper frame and means for operatively connecting the other spiral to the other gripper frame, and means for rotating the spirals to cause the gripper frames to move toward and from each other.

29. In a machine of the character described, the combination of separate means movable transversely of the machine toward 1 and from each-other to'distend reinforcing filaments transversely of the machine, a shaft extending transversely of the machine and having reversely arranged spirals, each spiral having portions of different pitch, devices for operatively connecting one distending means to onespiral and another to the other spiral, and means for rotating the spirals. i

30. In a machine of the character described, the combination of two gripper frames movable transversely of the machine.

a shaft having two spirals, means for connecting one spiral to one of said gripper frames and the other spiral to the other gripper frame, and means for rotating said spirals.

31. In a machine of the character described, the combination of a support, gripper means movable transversely thereof for distending a reinforcing element transversely relatively to said support for application to a fabric to be reinforced, and means including a screw or spiral for imparting transverse distending movement to said gripper means.

32. In a machine of the character described, the combination of the machine frame, distending means for taking a reinforcing element from a source of supply and distending the same transversely of the machine frame, and screw means for imparting transverse distending movement to said distending means.

33. In a machine of the character described, the combination of a support, means for drawing a reinforcing element from a source of supply and placing it transversely relatively to said support, means including screw means for imparting the transverse drawing movement to said first named means, and means for rotating said screw means.

34. In a machine of the character de-',

scribed, the combination of a support, and means fOr drawing and distending a plurality of filaments transversely relatively to the support, said means being given its transverse drawing and distending movements by rotary screw or spiral means.

35. In a machine of thecharacter described, the combination of means for presenting material to be reinforced, means to distend a plurality of reinforcing filaments transversely to said material for application thereto, and means including a screw for imparting the distending movement to said distending means.

36. In a machine for reinforcing a fabric by transverse filaments, the combination of means for presentin the fabric to be reinforced, means mova le transversely of the machine for engaging the reinforcing elements at one side thereof and drawing them toward the opposite side, screw means extending transversely of the machine and operatively engaged with the drawing means, and means for ope-ratlng the screw means.

37. In a machine of the class described,

the combination of a support, means for taking hold of reinforcing filaments at one side of the machine, and screw means for then moving the first named means transversely of the machine for distending the filaments.

In testimony whereof I have signed my name to this specification.

CHARLES H. HOWARD.

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