US1407901A - Jar-closing machine - Google Patents

Description

T. L. TALIAFERRO.

J AR CLOSING MACHiNE. APPLICATION FILED APR-18.1919.

Patented Feb. 28, 1922.

4 SHEETS-SHEET 2.

T. L. TALIAFERRO. JAR CLOSING MACHINE. APPLICATION FILED APR. 18. 1919. 1,407,901..

T. L. TALIAFERRO.

JAR CLOSING MACHINE. APPLICATIQN FILED APR. 1a, 1919.

Patented Feb. 28, 1922;

4 SHEETS-SHEET 3- T. L. TALIAFERRO. .IAR CLOSING MACHINE. APPLICATION FILED APR. 18. 1919.

1,407,901; I Patented Feb. 28, 1922.

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Specification of Letters Patent. Patented Feb. 28,1922.

Application filed 4 m 18,1919. Serial receipts. I:

To all whom/it may concern Be. 't known hat I, THOMAS -LoomN TALIAFERRO, 8. citizen of the United States, residing at Chicago, in the county of Cook,

State of Illinois, have invented certain new and useful Improvements in Jar-Closing Machines, of which the following is a description, reference being had .to the accompanying drawing and to the figures of reference marked thereon.

The invention relates to new and useful improvements in ar closing machines, and more particularly to a machine for closing a jar, wherein the cover is held seated thereon by the frictional grip, of the cover flange against a wall of the jar.

An object of the invention is to provide a jar closing machine wherein the jars may are seated on the jars.

be delivered to the closing machine in untimed relation to each other and the covers on the jars seated thereon as the jars pass through the machine.

A further object of the invention is to provide a machine of the above character,

wherein a plurality of jars may be simultaneously operated upon, said jars being in untimed relation to each other as thecovers A. still further object of the invention is to provide a machine of the above character, wherein the jar is traveling continuously while the cover is being seated thereon.

A.- still further object of the invention is provide a machine of the above character, wherein the cover is seated progressively on the jar and by a yielding means, whereby jars of slightly varying heights may pass one after the other and at the same time through said machine.

A. still further object of the invention isto I i provide a jar closing machine which may be quickly adjusted for varying the capacity of the machine as to the height of the jars.

These and other objects will'in part be obvious and will in-part be hereinafter more fully disclosed. 1

In the drawings which show b way of I -illustration one embodiment of t e inven- Figure 1 is aside view of a jar closing machine embodying my improvements;v

Figure 2 is an end view of the same, as

viewed from the delivery end of the machine;' Figure 3 is a plan view of the machine;

Figure-4'is a lor gitudinal sectional view] 'centrally through the machine on the line,

4-4 of Figure'3;'

-Figure 5' is anenlarged sectional view through a jar having a'cover seated thereon. The invention consists broadly in a jar closing machine which isprovided with means for conveying the jars one after another through the machine, the jars enterin the machine with the caps loosely place thereon and leaving the machine with the caps or covers seated onthe jars and held on the jars through the frictional grip of the flange of the cover against the side wall of the ar. (lo-operating. with the means which moves the jars through the machine is a cover seating mechanism which progressively forces the cover on to the jarwhile the ,jar is traveling, and this cover seating imeohamsm lS'SO constructed as to operate \upon the jars in untimed relation and also to operate upon a plurality of jars atthe same time. As illustrated, this cover seat;

ing mechanism includes an endless belt which runs across apressure plate and the endless belt and pressureplate are supported so that the cover will be engaged thereby andgradually and progressively forced on to j of difierent heights where the variation is considerable.

The invention will pomibly bemade more clear bya brief reference to the .drawih s which showone specific embodiment of t e invention.

- In Figure 5 of the drawings, I have shown a. jar at J which is closed bya cover,indicated at (l: The cover is formed with a downwardl extending flan 1 which. is provided, as herein shown, withan inwardly projecting I bead 2'is slightly less than the extreme outer diameter of the jar, so that when the cover is forced downwardly on to the jar, said bead 2. The diameter of thehead will snap by the extreme upper edge of the jar and will frictionally grip-the wall of the jar, thereby holdingthe cover firmly seatedon the jar. As shown in the drawvjugs,- the wall of the jar may be slightly tapered to assist in the holding of the cover closing machine.

The closing machine is provided with a supporting base 3, from which rises a'standard 4Q Mounted on the standard 4 is a supporting frame 5. This supporting frame 5 carries a motor 6 for propelling the machine,- and said motor is controlled by a '20 suitable hand switch 7. Mounted in the frame 5' is a main shaft 8, which is provided with a gear wheel 9 meshing with a gear wheel 10 on the main shaft 11 of the motor.

All the parts of the machine are driven from the main shaft 8, and it will be understood, of course, that, in place of the motor, any other operating means may be used for driving the mainshaft.

The frame 5 is provided with a laterally extended supporting'plate 12. At each side of the plate 12 are supporting brackets -1313', which are mounted upon-and car-- ried by said plate 12.- Mounted in fixed bearings in the brackets 13 is a shaft 14, carrying va belt wheel 15. Mounted in ad- {)ustable bearings16, atthe other end of the rackets 13, is a shaft carrying a belt wheel 17. Runnin over the bet wheels 15 and -17 is an en ess belt 18. Molmted onthe' brackets" 13--13 is a supporting I table 19 and the belt 18runs ever this table '19,

whereby the table forms a rigid surface in the rear of the belt. The 16 are adjusted. by means of screws 20, and. by

turnnfiotihese screws .the belt wheel '17 may be shi so as to putthe endless belt under tension. .Thema'inshaftS .is prov'ided'with a: bevelgear at the: opposite 'endffrom the gearwheel '.9,"and-.th1fs[1bevelgear meshes 1 extending ,parallel with the direction of.

.with .a suitable bevel gearcarried by, a shaft 3 travel of the endless belt 18 and mounted insuitahle bearings on the 'frame 5. The shaft is in turn provided with a gear wheel mesh ing. with} a gear -wheel on a verticle shaft v 24,'and the vertical shaft24 carries a worm gear which meshes with a at wheel car- 7 ri'ed by the shaft '14, 'on' whic the belt wheel. 1'5 ismounted. 'Thus the endless belt rebelt ..18,-'a nd. b

ceiv'e's movemen from the main shaft 8.

The jiars which are to have-their covers seated-thereon are delivered from any suitable means, one at atime,'onto the endless the travel of 'fthe belt are carried throug the machine. on

.by hand, if desired; In the wardly extending rod 34, which is'oonne'cted' at'its lower end to a yoke 35. This yoke35 the machine.

the spring Toning .the Tar willfln the brackets 13-13, are adjustable guides 27 27', which;serve. 0 center the jar on the belt. The jars may be placed one at a time placing of the jars on the belt, or in the delivering of the jars to the belt, no particular timing of the jars is necessary as .the machine is equipped with a closing'means which will oper te upon the jars in untimed relation to ach others it Extending upwardly from, the plate 12 and the brackets 13 are verticallyarra rods, 28- 28. These rods are connecte at their upper end by a cross head 29. Mounted to slide .freely on each rod is asleeve 30,

and these sleeves. 30 are provided with projecting'arms 31, in which is mounted a belt wheel 32. The sleeves 30-30 are also connected by a bracket 33 which carries a dowm is provided with adjustable bearin in which a belt wheel 37 is journ ed. The bearings-36 are adjusted b 'screws 38. Passing over the belt wheels 3 and 37 is an endless belt 39. The yoke 35 is ;provided with depending brackets 40. Journaled on the shaft carrying the belt wheel 32 are arms 41 and thesea'rms-4'1 and the brackets 4p carry a pressure plate 42. which is directly above the lower run of the endless belt 39 ahd forms a rigid yieldin'gly mounting Sill? face in the rear of said belt. Thepres'sure plate 42 at its sides extends downwardl slightly below the belt, as indicated at 1. Figure 2,.which serves as a guiding means for the cover and jar. as it passes through Surroundin ,4 I 8 ring 44. herod 34xtends;1l y t rou h theyok'e '35. The spring 44 surmm s this rod and bears its lower end against the yokewhile its upper end bears against 'a washer 45, which n-turn bears I against nuts. 46. .The-spring normally tends-' 1 to force the yoke downwardly. and the {extreme lower 'tion' of the yoke isdetetmined by the ead'ed' end of the rod 34. By adjusting the nuts '46 the tension of 1th yvithin-certainlimitsiil v th'attheyoke about the shaft carrying the. belt gwheel the yoke to the. lower limit of its swingingimovementx, When the j parts areadjusted, the belt wheel 37 is 1: slightly nearorgthe t le 19.,than thebelt wheel 32, sojthat a 'aron the belt-18. and "carri, through; themachine in the-direction of the ariowsinthe of the drawings, will enter underneath the'belt 11 wheel 32;].- dJ-the cover htly .on

. -g p1s or 1 the lt 39 til the jar is' well /un said belt 39. 39 r the lower face of the plate, wh ch 1:

, to "the jar.

inclines downwardly toward the delivery end of the machine in the same manner .as the belt 39. Therefore, as tlie jar passes along underneath this pressure plate, the cover will be engaged by the belt 39, which is backed up by the pressure plate and will be gradually and progressively forced on As soon as the cover is completely seated on the jar, then the spring 44 will yield and allow the jar to pass out from underneath the closing mechanism, which consists of the traveling belt 39,- the supporting parts therefor, and 'the pressure plate 42.

It will be readily seen that if the jars vary slightly in height, the spring 44' will yield to take care of this slight variation in the jar without crushing the jar. It will also be seen that the force exerted in seating the cover on the jar is determined by the tension of the spring 44 which may be readily adjusted.

The endless belt 39 is driven by a gear wheel 47, which gear wheel is fixed to the shaft 32 carrying the belt wheel 32. This gear wheel 47 meshes with a worm gear 48, carried by the shaft 49. The shaft 49 in turn carries a bevel gear, which meshes with the bevel gear on the main shaft 8. The upper end of the shaft 49 is journaled in a bearing 51 fixed to the cross head 29.

Mounted in the cross head 29 is a threaded shaft 52, which is provided with a hand wheel 53, whereby the shaft may be readily rotated. A look nut 54 is also provided for holding the shaft in adjusted positions. This shaft at its lower end extends through the bracket 33 and a pin 55, passing through the lower end of the shaft 52 and bearing against a hardened sleeve 56, supports the entire closing mechanism-that is, the traveling belt 39 and the parts which support the same. The bracket 33 is connected to the sleeves 30 and by turning the shaft 52, these sleeves 30 may be moved up and down on the supporting rods 28, and thus the closing head shift-ed vertically relative to, the supporting table 19. When the parts are properly adjusted, then the lock nut 54 may be turned down against the cross-head 29 and will hold the parts in this position. Through this shaft 52 and the adjustment brought about thereby. the machine may be readily set for jars of different heights. \Vhen the closing mechanism is adjusted,

the gear 47 will turn and run up or down on the gear 48, depending upon whether the closing mechanism is raised or lowered.

As a means for preventing the operator from being caught by the closing mechanism, when the machine is fed -by hand, I have provided a shield or guard at 57, which is mounted on brackets 58. carried by the arms 31. Also. as a means of prevent-in the operator from being caught throng sure plate 42.

bearing 62, carried by the frame of the ma-- chine, and the shaft 61 is provided with a gear wheel 63 which meshes with a gear wheel 64 on the end of the shaft 14. Through this means the disk 60 is positively rotated. A guide rail 65 serves to direct the jars and a stripper rail 66 forces the jars off from the disk on to any suitable means, or the jars may be picked off by hand from the disk and crated.

From the above description, it will be apparent that I have provided a jar closing machine, wherein the closing mechanism is of a character such as will operate simultaneously upon a plurality of jars and will also operate upon jars in untimed relation to each other-that is, jars which are received promiscuously, without any particular spacing of the jars, for the reason that the endless belt 39 is progressively and continuously presenting the same character of pressing surface, so that no particular timing of the jar relative to the travel of this closing surface is necessary. The jar with the cover resting lightly thereon is conveyed through the machine by the belt'18. It passes freely under the belt wheel 82 and is soon engaged by the belt 39, and then the jar is gripped between the two belts, the lower one being backed up by the table 19 and the upper one backed up by the pres Inasmuch as the belt 39 inclines relative to the lower belt 18, this gripping pressure between the two belts will progressively increase as the jar travels, and, therefore. the cover will be gradually forced downwardly on to the jar until it is completely seated thereon. When it is completely seated then the belt wheel 37 will yield through the action ofthe spring 44 and allow the jar to pass from underneath the head without crushing the jar. The jar following is operated upon in substantiall thesame way and the mere fact that the preceding jar is being gripped firmly and the cover seated will not prevent the forcing down of the cover of the following jar and a final. seating of that jar after the first jar has left the machine.

It will also be noted that not only will the jars be operated upon in untimed relation to each other, but several jars may be operated upon simultaneously, the covers being in various stages of being seated, the jar cover being finally seated before the jar leaves the closing head. It will also be noted that the jars are seated without intefrrupting the movement thereof, which is 0 having liquid contents as the starting or stoppin%of the jars is likely to spill the contents. y the continuous even movement of the jars, however, which occurs in my improved machine, there is no liability of spilling the contents of the jars.

While I have described my invention as particularly adapted for seating the coverson jars whlch are made of glass, or the like, it is obvious, of course, that the machine is equally adapted for closing metal containers, or any other type of container, wherein the cover is seated in or on the con tainer by a frictional gripping, so. that all .that is necessary to seat the cover is to press the cover downwardly on to the container.

It will be noted that the jars travel through the machine in a ri ht line and the pressure belt which forces t e covers on to the jars is inclined downwardly toward the delivery end of the machine. It is obvious that the supporting table may be inclined upwardly toward the delivery end of the machine, and the pressure belt located so as to move in a horizontal plane. The esential feature consists in the arrangement. whereby the two belts are closer together at their deliver end than'at the receiving end thereof. hile I have shown a pressure plate backing up the belt 39, which forces the covers on to the jars, it will be understood that the belt itself may be constructed so as to have sufficient rigidity to force thecovers on to the jars and. the pressure plate dispensed with, if desired.

It is obvious that minor changes in the details of construction and in the arrangement of parts may be made without departing from the'spirit of the invention as se forth in the appended claims.

Having thus described my invention what I claim as newand desire to secure by Letters Patent, is:

1. A jar closing machine including in combination, two traveling endless belts, rigid members in rear of the respective adjacent portions of said belts, means for drivin said belts, means for supporting one of said belts whereby the same is inclined toward the other belt from its receiving to the delivery end thereof, and means for yieldingly supporting the delivery end of one of said belts and the ri id member associated therewith, said inclined belt being gflconsiderable shorter length than the other 2. A jar closin machine including in combination means or supporting and carrying the jars through the machine in a straight line path of movement, an endless traveling belt disposed above said jar carrying means and inclined downwardly from the receiving to the delivering end thereof, a pressure reat value in closing jars, or the like,

member in rear of the lower portion of said belt and cooperating with the belt in forcing the covers on to the jars, means for yieldingly supporting said ressure member and the dehvery end of said belt whereby said belt and pressure member ma yield to accommodate jars of slightly di' erent heights.

3. jar closing machine including in combination means for supporting and carrying the jars through the machine in a straight hne gath of movement, an endless traveling belt isposed above said jar carrying means and inclined downwardly from the receiving to the delivering end thereof, a pressure member in rear of the lower portion of said belt and cooperating with the belt in forcing the covers on to the jars, means for yieldmgly supportin said pressure member and the delivery en of 8nd belt whereby said belt and pressure member'ma yield to accommodate jars of slightly di erent heights, and means for bodily raising and lowering said inclined traveling belt and pressure member associated therewith.

4. A jar closing machine including in combination, a horizontally traveling endless belt, a rigid support over which the belt travels, means for driving said belt, a belt disposed above said first named belt and inclining downwardly slightly from its receiving to the delive end thereof, a pressure member in rear 0 the lower strand of said last-named belt, and means for yieldingly supportin the delivery end of the lastnamed be t and the pressure member associated therewith.

5. A jar closing machine including in combination, a horlzontally traveling endless belt, a rigid support over'which the belt travels, means for driving said belt, a belt disposed above said first named belt and inc ining downwardly slightly from its receiving to the delivery end thereof, a pressure member in rear of the lower strand of said last-named belt, means for yieldingly supporting the delivery end of the lastnamed belt and the pressure'member associated therewith, means for positively driving said upper belt, and means for bodily raising and lowering said belt without disturbing the driving connection therefor.

6. A jar closing machine including in com.- bination, a horizontally traveling endless belt, a rigid support over which the belt travels, means for driving said belt, a belt disposed above said first named belt and inclining downwardly slightly from its receiving to the deliver end thereof, a pressure member in rear 0 the lower strand of, said last-named belt, means for yieldingly supporting the delivery end of the last-named belt and the pressure member associated therewith, guiding members associated with said horizontal belt for locating the jars centrally thereof, and means associated with said horizontally traveling belt for removing the glass jars therefrom.

7. A jar closing machine including in combination, means for supporting and carrying the jars through the machine in a straight line path of movement, a pair of spaced. belt wheels located above said support, an endless belt running over said wheels, means for yieldingly supporting the belt wheel at the delivery end of the belt and at a point nearer the support than the other belt wheel, and a pressure member associated with said belt and supported so as to shift with said yieldingly mounted belt wheel.

8 A jar closing machine including in combination, means for supporting and carrying the jars through the machine in a straight line path of movement, a supporting frame, spaced rods projecting upwardly from said frame at each side of said jar supporting and carrying means, sleeves mounted on said rods, a bracket carried by said sleeves and having bearings, a horizontal shaft supported in said bearings, a belt wheel mounted on said shaft, means for driving said shaft, a yoke carried by said bracket, a belt wheel mounted in the yoke, an endless belt running over said belt wheels, a pressure platein rear of the lower strand of the belt and operating in connection with the belt for forcing the covers on the jars, arms pivoted to the shaft carrying the first-named belt wheel and rigidly connected with said pressure plate, means for supporting the pressure plate from the yoke, and yielding means for supporting the yoke and the pressure plate.

9. A jar closin machine including in combination, means for supporting and carrying the jars through the machine in a straight line path of movement, a supporting frame,

spaced rods projecting upwardly from said frame at each side of said jar supporting and carrying means, sleeves mounted on said rods, a bracket carried by said sleeves and having bearings, ahorizontal shaft supported in said bearings, a belt wheel mounted on said shaft, means for driving said shaft, a yoke carried by said bracket, a belt wheel mounted in the yoke, an endless belt runnin over said belt wheels, a pressure plate in t e rear of the lower strand of the belt and operating in connection with the belt support and against a limiting head on the said spring.

rod, and means for' varying the tension on 10, A jar closing machine including in wheel mounted in the yoke, an endless belt running over said'belt wheels, a pressure plate in rear of the lower strand of the belt and operating in connection with the belt f0? forcing the covers on the jars, arms pivoted to theshaft carrying the first-named belt wheel and rigidly connected with said pressure plate, means for supporting the pres sure plate from the yoke, yielding means for supporting the oke and the pressure plate, and means for bodily raising and lowering the sleeves.

11. A jar closing machine including in combinatlon, means for supporting and carrying the jars through the machine, in a straight line path of movement, a supporting frame, spaced rods projecting upwardly from said frame at each side of said jar supporting and carrying means, sleeves mounted on said rod, a bracket carried by said sleeves and havingbearings, a horizontal shaft supported in said bearings, a belt wheel mounted on said shaft, means for driving said shaft, a yoke carried by said bracket, a belt wheel mounted in the yoke, an endless belt running over said belt wheels, a pressure plate in rear of the lower strand of the belt and operating in connection with the belt for forcing the covers on the jars, arms pivoted to the shaft carrying the first-named belt wheel and rigidly connected with said pressure plate, means for supporting the pressure plate from the yoke, a rod connected to said bracket and extending through the yoke, said rod having a head thereon, a spring on the rod bearing against the yoke and yieldingly forcing said yoke toward the support and against the limiting head on the rod, means for varying the tension on the spring, and means for bodily raising and lowering the sleeves.

12. A jar closing machine including in combination, means for supporting and carrying the jars through the machine in a straight line path of movement, a supporting frame, spaced rods projecting upwardly from said frame at each side of said jar supporting and carrying means, sleeves mounted on said rod, a'bracket carried by said sleeves and having bearings, a horizontal shaft supported in said bearings, abelt Wheel mounted on said shaft, means for driving said shaft, a yoke carried by said bracket, a belt wheel mounted in the yoke, an endless belt running over said belt wheels, a ressure plate rear of the lower strand 0 the belt and operating. in connection with the lielt for forcing the coversonthejars -arms ivotedto the shaft carrying thefirst-named A ltwheel and rigidly connected with-said pressure plate, means for supporting the; ressure plate from the yoke, a-rod connecte to said bracket .and extendin through the yoke, said rod having a' hea thereon, a-spring on the rod bearing against the yoke and yieldingly forcing said yoke toward'the support and against thelimiting head :on the rod, means for varying the tension on said spring, means for-bodily raising and lowering the" sleeves, guiding members for directing'the 'jarscentrally of the traveling support thereforyand means for'removing the glass jars from said traveling sup ort.

13. A jar'closing machine inc uding in combination, a supporting frame, spaced belt wheels rig idlyf attached to the frame, a belt running over said belt wheels, a supporting table beneath the upper strand of said belt, spaced rods carried by the frame and located at op osite sides of said belt, a sleeveon each ro projecting arms carried by the sleeves, a shaft jouurnaled in said projecting arms, a belt wheel carried by said shaft, a vertical shaft connected to said belt wheel, means for driving the vertical shaft and the belt wheels mounted on the frame, a yoke, a bracket carried by the sleeves and yielding means carried by the bracket for supporting said yoke, a belt wheel mounted on said yoke and adjustable toward and from the belt wheel carried by the sleeves, brackets carried by the yoke, arms pivoted on said shaft carrying the first-mentioned belt wheel, and a pressure plate carried by the arms and brackets and located in rear of the lower strand of the upper belt and cooperating therewith to force the covers on the jars, said belt andpressure plate at the lower face thereof being inclined downwardly toward the delivering end thereof,

and means for bodily raising and lowering.

the sleeves.

14. A jar closing machine including in combination, a supporting frame, spaced belt wheels rigidly attached to the frame, a belt running over said belt wheels, a supporting table beneath the upper strand of said belt, spaced rods carried by the frame and located at op site sides of said belt, a sleeve on each ro rojecting arms carried by the sleeves, a sha t journaled in said projecting arms, a belt wheel carried by said shaft, a vertical shaft connected to said belt wheel, means for driving the vertical shaft and the belt wheels mounted on theframe, a yoke, a bracket carried-by the sleeves and yielding means carried by the bracket for supporting said yoke, a belt wheel mounted on said yoke and adjustable toward and from the belt wheel carried by the'sleeves,

. brackets carried by the yoke, arms pivoted on said shaft carrying the first-mentioned belt wheel, and a pressure plate carried by the arms and brackets and located in.rear of the lower strand of the upper belt and cooperating therewith to force the covers on the jars, said belt and pressure plate at the lower face thereof being incllned downwardly toward the delivering end thereof,

means for bodilydraising and lowering the sleeves, said yie ing su port for the yoke including a rod fixed to t e bracket and projecting through said yoke and having a head at its lower end, a spring encircling said rod and bearing against the yoke and adjustable nuts threaded on the ro the tension of the spring.

15. A jar closing machine including in combination, means for receiving jars at random having covers resting lightly therefor varying on and for feeding the same at random continuously through the machine, and means cooperating therewith for engaging the jar cover for applying a yielding increasln pressure throug out the entire area of sai cover as the jar travels for seating the cover on the jar.

16. A jar closing machine including in combination, means for receiving jars at random having covers resting lightly thereon and for feeding the same at random continuously through the machine, and means cooperating therewith for engaging simultaneously the covers of a plurality of jars for ap lying a yielding increasin pressure throug out the entire area of sai covers as the jars travel for seating the covers on the ars.

17. A 'ar closing machine including in combination, traveling members adapted to engage therebetween glass jars arranged at random having covers resting lightly thereon, means cooperating wit one of said members for exerting a yieldin increasing pressure on the cover simu taneously throughout the entire area thereof for seating the cover on a jar as the jar is conveyed by said member.

18. A jar closing machine including in combination, a traveling member havin a surface adapted to receive at random an to through the machine, a traveling endless -belt arranged in spaced relation to the traveling member and adapted to engage the covers, a yielding means operating upon said endless belt for exerting a yielding pressure on said cover simultaneously through- .out its entire area, said means being constructed and arranged so that the pressure of said belt increases as said jar progresses through the machine until said cover is firmly attached to the jar.

20. A jar closin machine including in combination, a rigidly supported traveling belt for receiving at random glass jars having covers resting lightly thereon and for I lation to said traveling surface and above the jar and adapted to engage the covers, and means operating through said endless belt engaging the covers for exerting a yielding pressure on the covers simultaneously throughout their entire area, said means being constructed and arranged so that the pressure of said belt increases as the jar progresses through the machine until the cover is firmly attached to the jar.

In testimony whereof, I aflix my signature.

moms LUCIEN TALIAFERRO.

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