US1274208A - Bung-press. - Google Patents

Description

F. D. STQWE.

BUNG PRESS.

' APPucATlou FILED'APR. 24. 1914. 1,274,208.

IIEE? Z nl Patented July 30, 1918 5 SHEETS-,SHEET l.

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ses cn.. uom-urna., lusmnamu. n.

F. D. STOWE.

BUNG PRESS.

-Awucmmu 'man APR. 24. 1914.

Patented July 30, 1918.

5 SHEETS-SHEET 2.

nllllmln .ullll n: n als rmcns cumHom-Llmmwn um mn. n. c.

F. D. STOWE.

BUNG PRESS. I

APPLICATION FILED APR. 24 I9I4. 1 ,274,208. Patented July 30,1918.

5 SHEETS-SHEET a.

wwwa/awo; l 3 nu@ Wto@ F. D. STOWE.

auna PRESS.

APPLICATION FILED APR. 24. i914. Patented 30,

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K after.

UNITED sI'ATEs rATENroFFIeE--., i

FLOYD n. sroWE, or WILMINGTON, DELAWARE, AssIeNoR ro E. I. nu PoNmpE NEMOURS POWDER COMPANL'OF WILMINGTON, DELAWAREg'A CORPORATIQNENEW JERSEY.

lnunca-PRESS.

Specication of Letters Patent.` Y

Application med Apr'i124, 1914. sria1ii0.s34,os4.-

10 all whom t may concern.' V

Be it known that I, FLOYD D. S'rown, of lVilmington, in the county of New Castle and in the State of Delaware, have invented a certain new and useful Improvement in Bung- Presses, and do hereby declare that the following is a full, clear, and exact description thereof.

My invention relates particularly to a machine for forming bung-holes and bunghole closures used on kegs, but has special reference to such a `machineas used in con-Y nection with steel powder kegs.,Y

The object: of my invention is t provide a machine of thev above character rwhich will automatically and continuously produce bung-holes in keg heads by punching the holes, raising bosses aroundv the holes to permit the attachment of ears, and which automatically feeds `the ears into. the machine and rivets'or fastens the ears on the bosses formed aroundV the bun -holes soy that thereby the closures of the eg bungholes may be readily secured to the ears. Further objects of my invention will lappcar from a consideration ofthe detailed'description thereof which is set forth` hereinvvWhile my invention iscapable of embodiment in many different forms, fr the pur-V pose of illustration I have Yshown only one form thereof in the accompanying drawings, in which, g y f ,c Figure 1 is a front elevation of a machine made in accordance Vwith my invention, Fig. 2 is an end elevation of the same, IFig. 3 is a vertical section taken through the same.

Fig. 4 lis ahorizontal sectionof the same,

Fig. 5 is a verticalseetion of the ear Afeeding apparatus enlarged,

Fig. 6 is a plan view of certain details of' the ear feeding mechanism,

Fig 7 S all enlarged'plan view'of aportion of the feeding band, Y

Fig. 8 is a transverse section of a portion of the feeding band showing the same while not containing a blank, and

Fig. 9 is a similar cross-section of the band, but showing a band whenl clamping a blank in place thereon under the iniuence` of the cam plate which is used for holding the blanks in positionon the band,

Figs. 10 and l1 are, respectively, a plan l blanks to yfor a certain degreegofgyielding by being vattached to the mainframe 1 by and a Central Sectionof a keg-head formed by the machine. l

Irasanten July 3o, 191e.v i

In theA drawings have shown Vmain frame l, which hasatone'end a pair of sta-l tionarybearings 2 toreceive a shafty 3 and at the other end a pairV of adjustable' bearings 4 to receive a shaft 5. Each ofthe adjustable bearings 4 is carried upon slide- Ways 5 located on thezmain frameV l, the

position of the b earings 4 being determined by screws 6y passing from the main frame to a point adjacent to the sides of the'sliding bearings 4. The shafts?) and 5.V carry i'espectivelyv drums 7 and 8 to receive a flexible band 9 of metal or any Vother suitable -v material. At intervals `along. this band 9 there are circular openings 10 toV receiveA the openings l I eted to the face'of the band 9. In order to secure blanks 12in place in' theopenings 10, each opening 10 has adjacent thereto on be operated upon. VBetwee'n'theseAVA l0 strengthening strips 11 arerivthe band, a pair of'tapered catches` 13 at I. one side of the openingsv 10, and a pivoted 'Y catch 14 at theV p Y other side thereof.v n Each of the catches 14 is pivotally supported: in

of theband 9 bolts'16, said of brauckf` Y immediately above the'drum v8. AsI the band now advances the Vblanks will be clampedv in positionf automatically assoon as the catches 14' reach theV position of fa' cam plate 18, whichis ylocatedat the fronti.V of the machine at one Vside of the band 9.:

It will be notedl that the cam plate l13 has'` at its eXtreme left end an inclined surface19 to permit vtheV catches 1 14`to lbe gradually closed. Said cani plate 18 is also supportedV p screws 20 whichfare'loosely supported in sockets 2l in said frame, andby the factthat 1 the side of the cam plate 18 is also supmovement ported against the faces vof a plurality ofV /i spring-pressedv plungers 22 supported in sockets 23 in the main frame 1. The band 9 is given an intermittent movement in the'f following manner. VThe shaft 3j has a' p ,ratchet 24 which'is movedV at intervals by a 80 a pair of brackets V15` connectedto the fface pawl 25 carried upon a pair o'li oscillating arms 26 loosely carried by the shaft 8 on the opposite sides of the ratchet 24. The pawl 25 isthus supported between the oscillating arms 26 and bearsupon the periphery of the ratchet 24. A link 27 connects the oscillating arms 26 with a lever 28 pivoted to the main frame near its center and having aroller 29l at the-other end thereof which coperates with a cam. 80 secured to a counter-shaft 81, which is supported in bearings 32 upon the main frame of the machine. This counter-shaft 31 carries a gear 32a which is driven from. a main driving shaft 33 having a pulley 34, which shaft is supported in bearings 85 also on the main frame of the machine. The application otl power is controlled by a foot treadle 35 connected by a link 36 with a lever 37 which controls a clutch 38 through a link 89. Near the center ot' the machine the countershaft 31 has an eccentric 40 which is connected by journal bearings 41 with a sliding carriage 42. This sliding carriage 42 has vertical slides 43 at the two sides thereof, the vertical slide 48 at the right of Fig. 1 contacting with a ixed removable guide 44 secured to the main frame by screws 45, while the left vertical slide 48 coperates with an adjustable guide 46, the position of which is determined by adjusting screws 47 and fastening screws 48 `for securing the slide in the adjusted position. Two operations are carried out by one reciprocation of the sliding carriage 42, said sliding carriage carrying devices which operate upon two blanks located in the flexible band 9 at the same time. The l'irst of these operations is effected by the apparatus at the left of the sliding carriage 42 which comprises a punch 49 supported on a subsidiary sliding carriage 50 and adapted to be adjusted by the adjustment of said sliding carriage. In order to adjust the sliding carriage the latter is provided at its upper end with a screw-thread 51 to which are attached a pair of movable collars 52 located above and below a portion of the main sliding cai'- riage 42. This punch 49 is so formed that it coperates with a die 53 situated below the band 9 to punch out a hole in the blank for forming the bung-hole of the keg and at the same time raises a boss` around the hea-d thus punched out. The blank tlius providedwith a bung-hole and boss around the hole is then ready Jfor the next succeeding operation, that is to say, the application to the bung-hole of an ear 53a and riveting or fastening the same to the bung-hole. This is carried out by the apparatus at the right of the sliding carriage 42. This apparatus is so constructed, however, as not to, operate except when a blank is at the saine time in the opening immediately below the punch49, so that by` this means the apparatus for feeding in an ear 53fL and attaching the same to the head around the bung-hole will only be caused to operate when there has beena blank inserted in the band 9 and previously operated upon to provide a bunghole and boss around the bung-hole. In order to accomplish this result a vertical sliding rod 54 is adapted to contact with a blank when Iin the opening in the band immediately below the .punch 49. A spring 55 upon the rod 54 normally moves the rod 54 downwardly so as to` also.V move downwardly a catch or arm 56 pivoted to the sliding carriage 42 and supported upon the .upper end of the rod 54. When there is a blank in the opening 10 immediately below the punch 49, the rod 54 will contact therewith so that upon vthe downward movement of the sliding carriage 42 the rod 54 and the arm 56 supported by the saine 4will be moved upwardly, thus bringing the'end -o the arm 56'into a position such as to move ahorizontal sliding rod 57 to the right of themachine as shown in Fig. l. This rodr57 is supported in bracketsl 58 attached to thev sliding carriage 42; and a spring 59, which is attached to one of the brackets 58, and which engages a catch 60 upon the top of the sliding rod 57, normally moves said rod toward ythe lett of the machine. Then the rod 57 has been thus moved tothe left of the machine this end Vwill not extend beyond the right- hand'bracket 5,8 and said rod will, therefore, not make any connection with the parts with whichitis adapted to cooperate. `When, on the other hand, however, the rod 57 has been moved to the right of Fig. 1, owing to the presence of a blank beneath the punch 49, the end of the rod 57 Awill extend beyond the bracket 58. In this position of the rod 57 its end will overlie a spring-pressed :catch 61 carried on the end oi'. a lever 62 pivoted to the main frame of the machine. This lever 62 is connected at its end by means of a link68 to a slotted arm 64r on alever 65 which is also pivotedl to the mainframe. The lever G5-has in addition to the arm 64 gan'upwardlyfdirected arm 66 and a laterally directed arm 67. The latter arm -67 is provided for connection by means of a link 68 with a lever 69 extending beneath the band 9 so as to be operated at its other end by a rod or plunger 70, which extends upwardly through the center of a die-71, locatedbelow the `band 9. Said die 71 coperates with a punch 72 car- `riedylupon a slidable adjustable carriager 73,

which has-at its upper end a screw-threadedextension 74 arranged for adjustment by means of collars 75 located above and below a portion of the sliding carriage 42, re-v spectively. The upwardly "directed arm-66 has a pin 7 6 which coperates with a slot 7 6a in a lever 76b pivoted tothe main frame. This Y lever l76b has-atits upper @nda pair of slots 76C which co-act with the ends of a rod 7 6d attached to a movable plateg77. The movable plate 77 is supported so as to slide upon an inclined stationary plate 78, said movable plate 77 being'connected to the rod 76d by means of a screw 78a and spacing plate'78", which are situated in a slot 78c near the rupper end of the plate 78. Near its center, the plate 77 has a pair of screws 7 8d which pass through a spacing plate 78e located in a slot 7 8l in the body of the plate 78, said screws passing into an angular guide plate 79 having inclined forward surfacesl 80, which guide plate 79 slides upon the top of the plate 78. Near its forward end, the plate 77 carries a finger 81, having a notch 81a similar in shape to a inger-nail upon its upper surface, which finger 81 is connected to the plate 77 by screws 81". The notch 81 is provided to engage with the holes in the centers of the ears as they are fed downwardly into the machine. The upper end of the lever arm 66 is connected by a link 82 with a bar 83 extending across the entire surface of the plate 77, said bar 83 having at'each side thereof a longitudinal rod 84 upon the upper surface of which there is a guide plate 85 located ovei the top of the plate 78. The two rods 84 are connected together at their forward ends by a plate 86 which extends beneath the surface ofthe plate'77, which plate. 86 has at each end thereof a block 87 extending upwardly and along the side of the rod 84, which is adjacent thereto. Sheet metal fingers 88l are interposed between the ends of the rods 84 and the blocks 87 ,and screws 89 pass through the blocks 87 and into the rods 84 so as to secure the said rods 84 and fingers 88 to the plate 86. Above the plate 78 there is provided a hopper 91 fed from chute 90, which hopper is supported upon the main frame in any suitable manner. The hopper 91 is formed with a rforward extension 92 above the plate 78 to limit the downward movement ofthe ears from the hopper 91, and at the front of the extension 92 and'on top thereof, there' is a spring catch 93Vwhich is riveted to the extension 92 at its upper end and which has a recess 94 at its lower end to receive the bent end of the ear 53 which is to vbe applied tothe bung-hole of the keg head.v

In the operation of my invention, heads are placed in the openings 10 in the band 9 as said openings are brought above the top of the drum 8 in the intermittent movement of the band, which intermittent movement is effected by Ithe ratchet 24, the pawl 25 and' the cam 30 with connecting parts. As the band 9 passes forwardly, the catches 14 thereon come into contact with the plate 18, thereby clamping the blanks securely in position `in the openings 10. lVhen a blank comes below the punch; 49, the reciprocation of lthe carriage 42 causes the punch 49 tocooperate withthe die 53 to punch out a holeV for the bung in the head of thekeg, and at the same time raise the boss around the head of the ear 53. =When `a been operated upon by and thediefefthe redeawul Zontally movable rod 57 Y beyond-theend of theright-hand bracket 58. The rod 57 will then project into the path of the catch 61 and the next downward movement of the carriage 42, which will be the next movement of the carriage 42 taking place after the removal of the keg head from-under the punch 49 to la position under the punch 72will operate the lever 62 until the-bar 57V has passed beyond the end of the catch 6l. [In this movement of the lever 62, the two lingers 88 willhave beenmovedby the linkk 82 so as to push one of the ea-rs 53a on to the keg head above the bung-hole and around the boss formed upon said keg head and at the same time the linger 81'. will have been withdrawn and engaged with thehole in the next suc'-` ceeding ear 53 beingl fed downwardly in the 'hopper 91, the movement of the linger 81 being accomplished Vby the, lever' 7 6*. After thevlever V62 has ceased moving,vthe punch 72 coperates with the'die 71 to rivet or fasten the ear 53ato the keg head by turning over the edges of the boss uponthe top of the ear 53a to permanently fast-ein the same in place. At` the same time, the contacting of the punch 72 With'th'e die v71 will cause ,theA plunger 7 0- to move downwardly, which movement will bring about a movement of the fingers 88 and exactly the reverse of the movements just described; that is to say, this movement will cause the two fingers 88 vto Vbe withdrawn from above the keg head 'and at the same time the linger 81 will be pushed .forwardly so as to force the ear 53a ear 53a springs vinto the notch 94v 'iiflthfe catch 93. The continued operation'of the thejrnger 81,.

which it enga-ges to a position'in which the'foldedf edgefoftheV machine brings about a 'continuous repetition vof these movements, whereby keg heads are provided Vwith bosses around the holes, over which ears are fed upon the bosses around the bung-holes and the'ears are riveted or fastened in position lby turning over the edges of the bosses on to the top of the ears. The heads, as they are finished 1n the manner indicated, are carried to the right of the machine by the bandl 9 where the catches 14 become released from the action of the kplate 18, whereupon the heads, with attached ears, fall away from the band so as to be removed for .nal atbung-'holes and` tachment to the kegs. The ears 53 are provided to receive slides the bung-holes.

While I have described my invention above Y(not shown)` to close in detail, I wish it to be understood that inany changes may be made therein without departing from the spirit of my invention.

I claiml. In a press, means for feeding heads, devices for making bung-holes, and means for producing bosses thereon.

2. In a press, means for feeding heads, devices for making bung-holes, means for producing bosses thereon and for providing ears on the bosses.

3. In a press, means for feeding heads and devices for making bung-holes and predileing bosses thereon and providing ears on the bosses, comprising a punch and die for forming the bung-holes and a punch and die for fastening the ears thereon.

4f. In a press, means for feeding heads and devices for making bung-holes and producing bosses thereon and providing` ears on the bosses, the ear providing means having a feeding means adapted to feed ears only when a head has been inserted in the press.

5. In a press, means for feeding heads and devices for making bung-holes and producing bosses thereon and providing ears on the bosses, the ear providing means having connections from the bung hole and boss producing devices to cause the feeding of an ear only when a head has first been operated upon by the bung hole and boss producing devices.

6. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device and a secondary ear-feeding device.

7. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary ear-feeding device, a secondary ear-feeding device, and connections from the punch and die for operating the primary and secondarv feeding devices simultaneously in opposite directions.

8. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device, a secondary ear-feeding device, and connections from the punch and die for operating the primary and secondary feeding devices simultaneously in opposite directions, said connections being adapted to operate the primary feeding device rearwardly and the secondary feeding device forwardly before the die and punch are together, Y

9. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device, a secondary ear-feeding device, and connections from the punch and die for operating the primary and secondary feeding devices simultaneously in opposite directions, said connections being adapted to operate the primary feeding device rearwardly and the secondary feeding device forwardly before the die and punch are together and to operate the feeding devices in the opposite direction thereafter.

10. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary ear-feeding device engaging the holes in the ears, and a secondary ear-feeding device engaging the edges of the ears.

11. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary ears feeding device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and connections from the punch and die for operating the primary and secondary feeding devices simultaneously in opposite directions.

12. In a head press, means for providing ears on bosses comprising a punch and die and mea-ns for feeding years on the heads comprising a hopper for ears, a primary earfeeding device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and connections from the punch and die; for operating the primary and secondary feeding devices simultaneously in 'opposite directions, said connections being adapted to operate the primary feeding device rearwardly and the secondary feeding device forwardly before the die and punch are together.

13. In a head press, means for providing ears on bossesA comprising a punch and die and means forfeeding ears on the heads comprising a hopper for. ears, a primary earfeeding device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and connections from the punch and die for operating the primary and secondary feeding devices simultaneously in opposite directions, said connections being adapted to operate the primary feeding device rearwardly and the secondary feeding device forwardly before the die and punch are together and to opcrate the feeding devices in the opposite direction thereafter.

14C. In a head press, means for feeding heads, devices for making bung-holes and producing bosses thereon, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device and a secondary ear-feeding device.

l5. In a head press, means for feeding mg ears on bosses comprising a punch and.

die and meansfor feeding ears on the heads comprisinga hopper for ears, a primary earfeeding device, aV secondary ear-feeding de-l vice, andv connections from the unch and die for operating the primary andp secondary feeding devices simultaneously in opposite directions, said connections being adapted'` to operate the primary feedindgl device rearwardly and thev secondary fee ,'ng device for- Wardly before the die andfpunch erento.- gether. Y v ,e

17. In ahead press, means for feeding heads, devicesfor making bung-holes Vand prodncingjbosses thereon, means for pro'-r viding -ears on bosses. comprisinga punch and die and means for yfeeding ears vonV theV heads Acomprising a-hopper for ears, a primary ear-feeding device, a secondaryfearfeeding device, and; connections yfromy the punch and die for operatingthe primary and secondary feedingl devices YVsimultaneously in opposite directions, saidconnections being adapted to operate the primary feed.- iiig device .rearwardly and the secondary feeding device forwardly before the die and punch are together and to operate the feeding devices in the opposite direction thereafter. f

18. In a head press, means for feeding heads, devices for making bung-holes and producing bosses thereon, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary ear-feeding device engaging the holes in the ears and a secondary ear-feeding device engaging the edges of the ears.

19. In a head press,meansl for feeding heads, devices for making bung-holes and producing bosses thereon, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a 'hopper for ears, a primary ear-feeding. device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and connections from the {punch and die for operating the primary and secondary feeding'` devices simultaneously in opposite directions.

20. In a head press, means for feeding` heads, .devicesA for making bung-holes and Y tions from the kVlCe.

producing bossesthereon, Imeans for pro.-

viding ears on Bosses comprising la punch and, die and means for feeding ears on .the-

heads comprising a hopper, for ears, aprimary earY-feeding device engagingA the holes inthe ears, a secondaryear-feedingjdeviceV engagingfthef. edges, oftliefears andf connecv punchjand for'operating the primary and 'secondary 'feeding devices simultaneously in opposite directions,L vsaid connections vjbeing adapted,` to operatethe primary feeding secondary `feeding device 'forwardly before the dieand punch are7 together. f Y, v

y21. In a head press, iineansfforr feeding heads, devices n ,for making'- bling-,holes and v Produshe vidingzears on bossescomprising a i punch and dieand means heads comprising ahopper for ears, afpriinary ear-:feeding device feng-aging' the holes inthe ears, a secondary ear-.feeding ydevice engaging fthe edges of the-earsv and connec- 'for feeding.' ears on the Y device rearwardly.y andfthe spo sses thereon, means' for prof.

tions :from the punch anddie forI operating the primaryy and secondaryi feeding ,devices simultaneously in opposite .directions,jsaid connection's'being adaptedto operategthe'p'rif mary V'feedingdevice rearward-lyl andthe secondary Afeeding device V 'forvvardly .before the die and punch aretog'ether and tol operate the feeding devices `in l'the opposite direction thereafter. I i A V22. lIn a head pres sfmeaiisfor providing ears onxbosses comprisinga punch and die and means' for feeding earsfon the heads' comprisinga hopper: forV ears, a primary earfeeding device, a secondary ear-feeding `de- Y vice, and a device for holding the earvvhile being transferred from the primary to the secondary feeding device. Y Y

23. In a head press, means forl providing ears on bosses comprising a punch andldie and means for feeding ears on the heads comprising a hopper for ears, a primaryear-feeding device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and a device for holding the ear While being transferred from the Vprimary to the secondary feeding de- 24. In a head press, means for feeding heads, devices foi` making bung-holesv and for proproducing. bosses thereon, means viding ears on bossesV comprising apunch and die and means for feeding ears on the heads comprising a hopper for ears, a primary ear-feeding device, a secondary ear- -feeding device, and a device for holding the ear While' being-'transferred from the Y` primary to the secondary feeding device.

25. In a head press, means for feeding heads,- devices for making bung-holes and producing bosses thereon, means for providing ears on bossescomprising a punch and die and means for feeding ears on the' heads vioov iio 1 comprisinga hopper for ears, a primary ear-feeding device engaging the holes in the ears, a secondary ear-feeding device engaging the edges of the ears, and a `device for holding the ear While being transferred from the primary to the secondary feeding device.

2G. In a head press, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device, a'secondary ear-feeding device, and a spring clip engaging the-upturned end of the ear for holding the ear Whiley being transferred from the primary to the secondary feeding device.

27. Ina head press, means for providing ears on bosses comprising a punch and4 die vand means for. feeding ears on the heads comprising a hopper for ears, a primary earfeeding, device engaging the holes in the ears, a secondary ear-feeding 4devicey engaging the edges of the ears, and a spring clip engaging the Aupturned. end of the ear for holdingthe ear While being Transferred from the primary to the secondary feeding device.

28. In a head press, means Ifor feeding heads, devices for making bung-holes and producing bosses thereon, means for providing ears on bosses comprising a'punch and die and means for feedingears on the heads comprising a hopper for ears, a primary ear-feeding device, a secondary earfeeding device', and a spring clip engaging thevupturned end of the ear for holdingthe Copies of this patent may be obtained for five cent ear While being transferred from theprimary to the secondary feeding device.

29. In a head press, means for feeding heads, devices for making bung-holes and producing bosses thereon, means for providing ears on bosses comprising a punch and die and means for feeding ears on the heads comprising a hopper for ears, a primary earfeeding device engaging the holes in the ears, a secondary ear-feeding dev-ice engaging the edges of the ears, and a spring clip engaging the upturned end of the ear for holding the ear While being transferred from the primary to the secondary feedingdevice.

30. Inra press, means'forl feedingy heads, devices for makingbung-holes and produc,- ing bosses thereon, devicesy for fastening ears on the bosses, and a sliding carriage on which' the moving partsof both said devices vare carried.k v

31. Ina press, means for feeding heads, adjustably mounted devices Afor making bung-holes and producing bosses thereon, adjustably mounted devices vfor fastening ears on the bosses, and a sliding carriage on which the moving parts of both said devices are carried. Y

In testimony that I claim the foregoingI have hereunto set my han'd.

v FLOYD D. vS'IGWE.

' Witnesses;

. ARTHUR WRIGHL L. BRoDERloK.

s each, by addressing the Commissioner of Patenti,

Washington, D. C.

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