US1868048A - Machine for making and filling packets - Google Patents

Description

'July 19, 1932.- A, DAY ET AL 1,868,048

MACHINE FOR MAKING AND F-ILLING PACKETS July 19, 1932. A.l DAY ET AL.

l MACHINE FORMAKING AND FILLING PACKETS y Filed April 12, 1950 5 Sheets-Sheet 2 July 19, 1932.v

A. DAY ET AL 'MACHINE FOR MAKING AND FILLING PACKETS Filed April i2, 1930 5 Sheets-Sheet 5 July 19, 1.932. A, DAY ET A l. 1,868,048

MACHINE FORIVMAKING AND FILLING PACKETS Filed April 12, I'Qso 5 sheets-sheet 4 July 19, 1932 A. DAY ET Al.

MACHINE FOR MAKING AND FILLING IF'ACKETS Filed April 12, 1930 5 snets-sneet 5 PatentedY July 19, 1932 j STATES PATENromCE ALE'EET'DAY, or CHAPEL ALLERTON, LEEDS, AND WIL'LrAM HENRY NAYLoE, 0E ADEL,

LEEDS, ENGLAND `MACHINE EOE MAKING AND- EILDING PACKETS .Application filed Aprll, 1930, Serial No; 443,743, and in Great BritainiMay 1., 1929.

`This invention relates to `machines for` makin-g packets of paper or lother wrapping material and filling them with tea, tobacco, seeds or similar substances such as vare usually sold in packets, ythesaid. machines being of the kind described in the. specifica-tion Yof British .Patent No. 198,405in Whichthe Wrapping material is vformed into` al tube on affunnel shaped .or other former7 the bottom Vof.

1e. the tube being then .closed in vand a weighed or measured charge of the substance tobe packed droppedinto the former, after which 'the filled bag thus produced is transferred to a slottedmould andthe top thereof closed in to malte a packet. An object of the invention is to facilitate .the formation of the tube of paper or the like (hereinafter briefly termed paper) from a travelling strip or a number of sheets of paper fed in ahorizontal direction, thus avoiding creasingv or .tearing of the paper Which is liable to occur When it is passed over vertical guides. Another oby ject is .to locate the seam or joining of the paper tube in such a position that in the formation ofthe bag bottom by known folding .mechanism the Aseam side of the tube is first tucked in, thus .reducing the liability of thev tube to open Vat theseam in subequent stages of the process. Another object is to enable the various operations to be .rapidly per-- formed While preventingleakage of the substance packed (hereinafter briefly termed tea) and providing for. proper settling or consolidation of the tea in the Vfinished packets. Another object is to effect an im# mediate stoppage of the supply of paper to j the machine-if the supply of tea fails.V v,

According; to the invention ya series of formers, eachl havingl its vupper end enlarged.. 49 or tapered to lreceive the Vcharge of tea when.

the individual former `is either in an inclined or vertical position, and each surmounted by a hopper or container to receive the chargey of tea and to transfer it to the adjyacent form-Y "i er. is caused to revolve intermittently about a central vvertical' shaft, each former being caused to tilt into a horizontal or inclined p0- sition to receive itsvtubegof paper'with the seam on its upper surfaceyand returned to a 5i' vertical position, When .the seamwWill been thexside of the former remote from the central shaft. Each formeris separated from` its superimposed hopper by a ap or valve in the hopper, or a tailpiece on the former can seal the outlet of thehopper so long as the former is in its tilted orroutWa-rdly extendedy position; The formers are associated With a number of rotating or horizontally oscillating slotted moulds which are consecutively broughtimder the formers to receive the lill-ed bags from' them. An electrical orme-- chan-ical` device which may comprise a feeler i adapted to rest on the tea in a filled hopper is so-arrange'd that if the-supplyof tea fails it stops the feed of paper before a Wrapper or sheet of; paper is supplied to the former With which the said hopper is associated, or preferably the ,paper feed stop motion is operated either electrically or mechanically from the Weighing or measuring machine.

.In order. thatvthersaid invention be clearly understood and readily carried into effect, the same Will now be described more fullyl with .referencetof the accompanying drawingillustrating an embodiment of the invention wherein zi,

Figure l is a side elevation, With the upper parts in central vertical section, of such parts of kthe, machine as are necessaryffor the eX-y planationy of the present invention.

, Figuref2'is a plan of the said Ymachine rWith Figurel. Y

Figure '3 is a sectional plan taken substantialfly on ltherlineB in Figure l and illustrat# ing an example of gearing by Which the moulds and formers can 'be operatedone ofthe hoppers in association With means for preventing` a feeding ofa sheet Tof paper-z in the event offailure` of the supply of'tea tothe machine Figure 5 isl a detail showing in'elevation parts of the mechanism provided for folding` the bottom of a tube tomake a bag.

Figure 6 isfadet'ailshovving parts of theffolding mechanism.

Figure 7`is a detail of mechanism-suitable for Wrappingtheisheet of paper around the`4 `Figure 4 represents one ofthe formers and` in planA otherv lower part of the former to make a paper tube.

Figure 8 is an elevation of the cam which produces the oscillation of the ormers.

Figure 9 is a detail illustrating a modified arrangement of the hopper and former.

Figure 10 is an elevation of a hopper with the cam seen in section in Figure 4.

Figure 11 is a diagrammatic plan illustrating a segment plate for supporting the bag bottom.

Figure 12 represents in elevation an eX- ample of mechanism suitable for Vfeeding paper to the packet making machine.

Figure 13 is a detail of an alternative arrangement of detector mechanism.

On the machine frame 11 is a hollow pillar 12 (Figure 1) on the upper part of which is fixed a cam 13 (Figures 1 and 8). Through this pillar passes a vertical rotary shaft 15 on the upper end of which is secured a disc 16 carrying six or other number of hoppers 17 each of which in turn is brought by the revolution of the shaft and disc under a chute 18 (Figure 9) which constitutes the outlet of a machine of any known or suitable kind for intermittently delivering weighed or measured charges of tea, whereby each hopper is filled in its turn. The open tops of these hoppers, as seen in Figure 2, are ot segmental shape to constitute practically an annular hopper divided by radial partitions into siXf compartments, that is, one to each former. This arrangement gives the maximum Iopen area and thus allows the maximum time Jr'or the charge to be placed in each hopper or compartment, so that the machine can be worked at a high speed. Alternatively Vthe hoppers may have rectangular or oval upper .openings the lower opening or outlet being square, round or of other suitable shape according to the cross-sectional shape of the former. Brackets 2O depend from the disc 16, and in bearings 21 at the foot of each bracket is pivotally mounted on trunnions or gudgeon pins 22, an open-topped former 23 underneath each hopper 17. The lower part of the former consists of a tube 24 of square or other suitable cross-section, on

which the paper to constitute the wrapper 5o is placed as hereinafter' described. From the inner side of the enlarged upper p art of each former projects an arm 25 terminating in bearings'26in which is mounted a roller or runner 27 adapted to travel in the groove 28 of the large cam 13. Each ormerin its revolution is thereby caused to assume an inclined position as seen atthe right hand side of Figure 1 (or if desired a horizontal position) to receive the said paper, and returned to the vertical position to receive the charge of tea from the hopper, which can however, begin to enter the former before the vertical position is reached. On the outerside of each vformer is pivoted a flap 30, which is also` connected by a spring 31 with the upper part of the former, this spring tending to cause the flap to lie against the outer side of the lower part 24 oi the former, in order that the ap may hold in position the seam or overlapping part of the paper. From the outer side of the iiap projects an arm 32 carrying on its free end a ruimer 33 adapted to engage a cam plate 39 carried on a beam 35 pivoted on a standard 36 on the machine frame which beam may be rocked by a r-od 37 driven from any convenient moving part of the machine. The iiap 30 is lifted away from the former by the operation of the cam plate 39 and is kept ina raised position until the seam fold of the paper tube is made. The cam plate 39 is then lowered, allowing the -flap 30'to press and hold firmly the seam of the tube until the former has intermittently revolved to the position shown on the left hand side of Figure 1. `When the former reaches this position a lined cam plate 34 (which for the sake of clearness in the drawings, is only indicated in section) engages with the runner 33 thus easing the flap away from the former so as to allow the filled bag to be Vstripped oil' the former. ln all other positions of the ormers the flaps are held closed by the action of the spring 31.'

The outlet of each hopper 17 is closed by a pivoted flap or valve 40 which has a tailpiece 4l carrying a runner 42; theweight oiC the tailpiece may be suilicient to keep the valve closed when required, or'springs 43 may connect crossbars 44 (see Figure 2) on the tailpiece with a stud or studs 45 on the boss or bearing 21 of the bracket 20. 1n order to open the valve 40 positively to allow the charge of tea to fall into the former, the runner 42 is caused to encounter and ride up on a rail or cam path 46 at the left hand side of the machine, which for the sake of clearness is only indicated in section in the drawings. The cam path 46 as well as the cam path 34 may be replaced by positively moving actuating mechanism if desired. 1nstead orp the valve 40 there may be a curved flap or tailpiece 47 (Figure 9) on the former working inthe lower part 48 of the hopper 17 so that when the former 23 is in the position shown, the outlet of the hopper is closed, but when the former is returning to its vertical position the tea is admitted thereto, and thus only the cam 13 is neededfto'eilect automatically the oscillation of the ormers 23 and the control of the admission of the charge to each former as the shaft 15 revolves. i former with the bag thereon can receive the full charge from the hopper 17 either when the former is in a vertical or inclined position, owing to its enlarged upper end or mouthpiece as beforer mentioned; where a flap or valve is employed as aforesaid, the charge can be delivered to the hopper prior to the making of Lthe bag on the former, and this in turn permits the paper lli.)

llt

feed tobe stopped if necessary Abefore a wrapper reaches the former which is Ythen`in position to receive a wrapper.

In the case of the former with a tailpiece (Figure 9)V the tea may also be delivered to the hopper 17 prior to the making of the bag. This also allows/the paper feed to be stopped when required, as hereinafter described. The former must however, remain in the inclined position until the end fold of the bag is completed, afterwhich the former may lresume its vertical position. Also the former with the tailpiece would requireto be raised to its inclined position after the filled bag has been stripped from the former and before the tea is delivered into the hopper 17. Y

The charge of tea from the weighing machine is delivered to the hopper 17 atthe position A (Figure 11) after which the hopper moves to vposition B, at which a feeler 105 (Figure 4) engages a cam plate 107 von the hopper, and if the weighing machine has not delivered its charge, the feeler 105 can descend into thehopperfand cause the stoppage of the paper feed as hereinafter described. If the charge is in the hopper, the paper tube is supplied to the former at position C, the folding in of the bottom of the tube to make a bag takes place at position D, the transfer of the charge to the `former at position E, and the transfer of thefilled bag to the mouldat 'position F. i

The feeding ofthel paper and the cutting thereof into sheets of a suitable size are effected by any suitable mechanism (for example/the mechanism represented'in Fig? ure 12)', which lays each sheet across the underside of the lower part 24 of the former when in the position represented at the right hand side of Figure 1, pivoted arms or bellcrank levers 51 (Figure 7) being then causedl to close on the paper andwrap it over the part 24 with its seam or overlapping edges uppermost, after which the flapv 30 closes on the seam and the former proceeds on its intermittent revolution around the shaft '15. A portion of the tube of paper which projects below the open lower 'end of the former is then tucked in or folded from the side on which the seam is located across the said lower end by the first folder 52 (Figure 5). The second folder 53 andthe third folder 54 (Figure 6) thenk fold in =parts of the pendent paper tubeat each side of the former across the first fold, after whichV the fourth folderv 55 (Figure 5) presses inwardly the remaining triangular part or ear of the paper to complete the bag bottom.

VRotation being resumed, the bag still on the former is then carried round in the direction of the arrow, Figure 11, with its folded bottom restingvon a flat segment plate 7 9 to preserve its folded condition while receiving and travelling vwith its charge of tea.

Thesegment plate, whichahaslugs by which it is fixed in position, is; for the sake of clearness omitted fromy the drawingy Figures land 2. Thefall of the tea into the hollowformer :24..may take place .at any time between theturningin by the first folder 52 (Figure 5) of thehrst fold of the bag, thus covering the bottom of the outlet of the former, 4and the stripping of the filled bag from vthe former, but in this example the fall of thetea into theV former is arranged to take place at'the position marked E in Figurell, atwhich .the formercomes to rest momentarily. In some instances it may be preferable to ,substitute for the ,.rst folder` 52 a thin flat plate which moves to and away from the under side rof the former.

This allowsthe side folders 53 and 54 (Fig-y ure 6)V to make their folds .over the plate; the plate lremainin g underneath the. bottom of the formeriacts as a false bottom or cover plate to prevent the escape lof the tea .when l it isdeposited into `the bag in this position. When the former 28 hasarrived at the position shown in the left hand side of Figure 1 stripper 56 advances to engage the bag the linger 419 to pass down to thervbottom.

of the mould through the wall of the mould,

while this finger 19 controls .the ear atfthe bag bottom during the time `the folded bag is being taken from the former to the mould.

los

At thebottom of the mould Athe bag .is sup.

ported by an annular plate 114 (Figure 1) which prevents the flaps or ears of the .bag

vbottom from opening and the table 59 isr rotatedone step to carry .away the lled bag and bring an empty mould undervther former. The top of the `filled .bag is closedv at another position of-therotary table by any known or suitable means. The angular speed of `rotation of the mould table 59 fis less than Vthat of the disc 16, .so that teny moulds can be lled in turn by six formere. )Vhen by the next step lof rotation of the mould table the filled packet is removed from the filling station F, it can be taken fromAv the mould by hand orrejected therefrom by suitable mechanism, which does noty form` any part of the present invention, and labelled by hand; or it can be vtransferred to a trough in which the packets successively received from the machine are'caused to travel in close contact with each other, sol

as to prevent openingof'their folded ends,

although there is usually very littlel tend#v ency of the packets to burst open. They can be taken from the said trough to another machine in which their ends are secured in position by adhesive labels, for example by a machine such as that described in the speciication of British Patent No. 200,878.

The gearing for eifecting the intermittent rotation of the shaft 15 and table 59 and the movements of the wrapping arms 51 and stripper 56 may be of any suitable kind, but an example of one arrangement is represented in Figures 1 and 3. There are three rotary shafts 61, 62, 63, thetwo latter being cam shafts, and two fixed shafts 64 and 65. A spindle- 66 suitably supported in the framework of the machine carries the mould table 59 at its upperA end and a star wheel 67 at its lower end. A bevel pinion 68 on the shaft 1 drives a bevel pinion 69 loose on a vertical stud 70 depending from a convenient portion of the framework of the machine, and on the boss of this pinion 69 is a small stud 71 carrying a bowl or runner 72 adapted lto. enter consecutively the recesses 73 in the star wheel 67v and to impart an intermittent rotary movement to this wheel 67 and thus to the mould table 59` Another star wheel 74'is secured to the lower part of the vertical shaft 15. .fi bevel pinion 75 on the horizontal slaft 62 drives a-bevel pinion 76 on a vertical stud 77, and on the boss 78 of the pinion 76 is a crank 80 carrying a bowl or runner 81 adapted to work in the recesses 82 lin the star wheel 74 and thereby to cause intermittent rotation of the shaft 15 with the rhoppers and formers.

On the shaft 64 is freely mounted a two# armed lever, one arm 88 of which carries a runner 84 in contact with a cam 85 on the shaft 62, while the other arm 86 is connected by a link 87 with the stripper 56. The lower end of the stripper 56 is steadied by an arm 88 of a two-armed lever mounted on the shaft 64. The other arm 98 carries a runner 94 in contact with a cam 90. The raising` and lowering of the stripper 56 is controlled by the lever 88 and the moving of the stripper to and away from the former is controlled by the lever 86 and link 87 together with cams and 90 respectively. A lever 95, free to turn on the shaft 64 carries a runner 96 in contact with cam 91.

The said arm is connected by a rod 97 of Y adjustable length with a lever 98 pivoted to the machine frame at 101 so that the said lever 98 can be rocked by the movements of the cam 91. On the free end of this lever 98 are pivoted at 89 (see Figure 7) the two arms 51 aforesaid for wrapping the sheet of pager around the lower part 24 of the former. These pivoted arms are operatedV through rods 102 of adjustable length by a lever 103 fpivoted on the shaft 65, this lever carrying a runner 104 in contact with the cam 92.

The mechanism for operating the folders 52, 53, 54 and 55 may be similar tothat described in the specification of the prior British Patent No. 198,405.

The mechanism for feeding the paper to the machine which mechanism does not form a part ofthis invention, may comprise a ratchet wheel and pawl or pawls, the action of the pawl being controlled by a magnet. This magnet may be part of an electric circuit which is closed to stop the paper feed at station B (Figure 11) when the feeler 105 is in the position seen in Figure 4, that is, its lowest position in the hopper 17, due to absence of the charge of tea which should have been admitted at station A. to the hopper, the delivery from the weighing machine having failed. The feeler 105 is pivot-ed at 112 to an arm 106 and engages a cam plate 107 (Figure 10) which is shown in section in Figure 4. Such a cam plate is secured to each hopper 17 and in each revolution of the disc 16 passes under the feeler 105, a recess 110 allowing the feeler to drop unless supported by the charge. At the end of the feeler remote from that which enters the hopper is an electrical contact piece 108. When the feeler 105 rocks on its pivot into the position shown dueto there being no tea in the hopper 17, the opposite end of the feeler rises and the piece 108 makes electrical contact with the fixed contact piece 109, mounted on a support 106 in the machine frame, to close thevcircuit. As the hopper proceeds on its intermittent revolution the cam plate rocks the feeler to lift it clear of the top of the hopper.

`Alternatively, the feeler 105 could be operated by mechanical means as illustrated and described in patent specification 198,405.

Then operated either mechanically or electrically, a charge of tea within the hopper 17 holds the feeler in the middle position, thus allowing the pawls of the paper feeding mechanism to feed a length of paper.

t is preferable however, that the electrical circuit should be closed by the weighing machine so that in the event of a failure of the supply of a charge of tea, afsuspension of the paper feed could take place without the use of the feeler 105.

Referring to Figure 12, the frame 121 carries bearings 122 in which a reel 128 of paper can revolve freely. The web of paper 50 coming from the reel is led between friction rollers 124 and v125, the latter roller being intermittently rotated by mechanism hereinafter described. Thence the paper passes between guide rollers 126, 127, and over a ledge 128, in contact with which a guillotine knife 129 is vertically reciprocated byany suitable means to cut the travelling paper into sheets each adapted to constitute the wrapper of one packet.- In thelower part of the frame 1:21 isy mounted a shaft 130 on which are secured a crank 131 and a cam 132. Thisshaft 130 Ymay be driven 'from any convenient source of power; for example it may be -driven by a chain drive from the shaft 63v in y lthe main machine, Figure 1, and in that case half the speed of the shaft 63.

'the' sprocket pulley on the shaft 130 should on the shaftv 135 of the pulley 125, the'other -armaof which lever carries one or more pivoted vpawls=136,two of such pawls being shown'. The pawls are adapted toengage la ratchet wheel 137 fastened on the Vshaft- 135,

and thereby to impart an intermittent motion to the paper feeding pulley 125.k A three armed lever 140 pivoted to the frame 121 at 141 carries at its lower extremity a bowly or runner 142 normally in .contact with the cam 132, which cam thus rocks the lever 140 and by means of a link 143 attached thereto causes a semi-circular arm 144 to lift the pawls 136 clear of the teeth of the ratchet wheel, and as the swell or highest part of the cams peripherypasses out of contact with theA runner 142 the` lever 140 returns and causes the arm 144 to be lowered, enabling the pawls 136 to feed the` paper. ,A magnet 145 is electrically connectedwiththe weighing machine (not shown) and acts on a pivoted lever 146 comprising acatch 147 adapted to engage the third arm of the lever 140, when a spring 148 anchored to the frame 121 tends to hold the catch 147 in engagement.

y Each time the proper action of the weighing is stopped.

machine. in delivering a charge takes place,1 the circuit in the weighing machine is closed and the current passing through the magnet 145 causes it to overcome the efort of the spring 148 and draw the catch 147 clear of the lever 140, allowing the runner 142 to follow the cam 132 and the feeding of a sheet of paper to be effected; but if the charge of tea is not delivered, the spring 148 prevents the release of the catch-147, so that the paper feed lVhen the electrical control is effected by the arm 105 (Figure 4) the relative positions of the magnet 145 and spring l 148 are reversed, as shown in Figure 13, and lthe circuit completed through 106, 108 due to the lack of material in the hopper 48 causes the catch 147 to engage the lever 140 and hold the latter in its inoperative position until the arm 105 -is lifted by the cam path 107.

I/Vhat we claim and desire to secure by Letters Patent of the United States is f `1.,In a machine for making and lling packets, a member intermittently rotatable about a vertical axis, a series of charge receptacles surrounding and carried by said rotary member, a series of hollow formers eachpivotally suspended from said rotarymember, each of said formers being adapted to receive av charge from the associated receptacle,

means to tilt each former consecutively, means Y; to supply a sheet of wrapping material 'to the under side of the former whenso tilted, means to fold said sheet into a tubular shape around the former with the overlapping edges of said sheet located on the side of the former which is turned away from the axis of rotation of said member, means to` hold said sheet on the former during the sub- -sequentpart of its revolution,means to turn in the bottom of said sheet to form a bag, and

.in from theformer.

2. In a machine for making andniilling packets, a member intermittently rotatable about a vertical axis, a series of charge receptacles surrounding and carried by said rotary member, a series of hollow formers each suspended from said rotary member under a receptacle, each of said formers being adapted to receive a charge from the associated receptacle,`a pivot-ed flap valve to control the means to strip said bag with the charge therepassage of said charge from .said receptacle Y to said former, said valve having an external arm, a cam to engage said armv at al predetermined point in the revolution of said receptacle to open said valve, means to apply a sheet ofv wrapping material to said former, means to form said sheet into a bag, and means to strip said bag with the charge. therein from the former.

' In a machine for making and lilling packets, a member intermittently rotatable about a vertical axis, a series'of charge receptacles surrounding and carried by sai-d rotary member and having open outlets, a series of hollow formers each pivotally suspended from said rotary member under a receptacle, each of said formers being adapted to receive a charge from the associated receptacle, means to tilt each former consecutively, al tail-piece on said former to close lthe outlet wrapping material to said former while the latter isin its tilted position, means 'to form i l `said sheet'into a bag, and means to strip said bag with the charge therein from the former.

4. In amachine for making and filling packets, a member intermittently rotatable about avertical axis, a series yof charge receprtacles surrounding and carried by saidrotary member, a series of hollow formers each suspended from said rotary member under av corresponding one of said receptacles to receive a charge' therefrom, means to feed vsheets of wrapping material to said formerssaid feeding means being renderedinoperative bythe closure of an electric circuit, a pivoted detector adapted'to close said circuit,:said detector entering `each receptacle in successionV as theJ receptacles revolve, and being supported in an inoperative position by the charge therein, but becoming operative to stop the feed of paper on the absence of a charge in said receptacle.

5. In a machine for making and filling packets, a member intermittently rotatable about a vertical axis, a series of charge receptacles surrounding and carried by said. rotary member, a series of hollow formers each pivotally suspende-d from said rotary member, each of said formers being adapted to receive a charge from the associated receptacle, a stationary grooved cam, means on each former to engage the groove in said cam, whereby said former is tilted at a predetermined point in its rotation, and then returned to a. vertical position, means to supply a sheet of wrappingY material to the under side of the former when so tilted, means to foldrsaid sheet into a tubular shape around the former with the overlapping edges of said sheet located on the side of the former which is turned away from the axis of rotation of said member, means to hold said sheet on the former during the subsequent part of its revolution, means to turn in the bottom of .said sheet to form a bag, and means to strip said bag with the charge therein from the former.

6. In a machine for making and filling packets, a member intermittently rotatable about a vertical axis, a series of charge receptacles surrounding and carried by said rotary member, a series of hollow formers each pivotally suspended from said rotary member, each of said formers being adapted to receive a charge from the associated receptacle, means to tilt each former consecutively, means to supply a sheet of wrapping material to the under side of the former when so tilted, `means to fold said sheet into a tubular shape around the former with the overlapping edges of said sheet located on the side of the former which is turned away from the axis of rotation of said member, a flap pivoted on each former and having a projecting arm, a spring tending to hold said flap against the lower part of the former, a cam adapted to actuate said arm to lift said flap clear of said lowerpart at a predetermined point in the revolution of the former to permit of said folding, said cam then permitting said flap to be returned by the spring and thereby to hold said sheet while the revolution ofthe former continues, means to turn in the bottom of said sheet to form a bag, and means to strip said bag with the charge therein from the former.

7. lua machine for making and iillingv packets, a vertical shaft, gearing to impart intermittent angular movement to said shaft, a stationary cam surrounding a portion of the length of said shaft, a disc secured on said shaft carrying a plurality of charge rel ceptacles, a-plurality of hollow formers pivotally suspended from said disc, one under and in alignment with each of ,said receptaply a sheetV of wrapping materialto the underside of said chute, means to wrap said sheet around said chute to form said sheet into a tube with the edges of said sheet overV` lapping each other at the upper side of said chute, whereafter the flap is returned by the spring to hold said edges, means operative at a further step of angular movement of the former around the vertical shaft to close in the bottom of the tube Vof wrapping material to. form a bag, a segmental plate to supiort the bag bottom during its further angular movement, a mold to receive the bag and a vertically moving stripper to transfer the bag from the exterior of the former together with the charge from the interior of Ythe former to said mold. Y

ALBERT DAY. Y

VWILLIAM HENRY NAYLOR.V

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