USRE3995E - Improvement in machines for making kettles - Google Patents

Description

4 and this has to UNITED STATES PATENT OFFICE.

'lllli WATERBURY BRASS COMPANY, F VVATERBURY, CONNECTICI'IF,

i ASSIGNEES OF HIRAM W. HAYDEN.

IMPROVEMENT IN MACHINES IEOR MAKING KETTLES.

Specification forming part of Letters Patent No.

8,589, dated December 16, 1851;v extended serenycars; reissue No. 2,171, dated February 13, 1866 reissue No. 3,995, dated May 24,1870.

forms by the com pression of a proper tool, oper ating' onl the vdisk of metal while rotating with and against the form; and it is hereby declared that the following is a full, clear, and exact description of the Vconstruction and operation of the same, reference being had to the annexed drawing, making part of this speci-V tication wherein- A Figure 1-is a plan of the machine complete.' Fig. 2 is a general side elevation, and Fig. 3is

an end elevation. Fig. 4 is a longitudinal section of the form, sliderest, and poppethead and Fig. 5 is a cross-section ot' the inachine near the slidercst, looking toward the mandrel and form.

. The other figures are separately referred to, and thezrlike Amarks of reference denote corresponding 'partsin all the figures.

Before proceeding to describe the machine used in connection with this invention, a short, account of the yordinaly process of making kettles of brassor other metal will be given,

in order that the operation and advantages ot' "the machine may be more clearly understood.

A disk of metal of the propery size is stamped hetweemdies, gradually stretching the bottpmand com ressingthe sides tgether;

`draw the metal into the right" shape, and at ich stamping the metal has to be anneal ed v .,yhich stamping and annealing stretches, disttelses, and injures the metal,l rendering it spit, porouiand Iweak at the very pointwhere kettle is most liable' to injury, andl large tiles having to' be stamped sometimes ten to twelve timesLand annealed each'v time when y --h-kettleis completely shaped. The metalfis *softened bythese .operations that it has to performed several times to DIVISION A.

be hammered, or what is termed spottedj to give hardness and temper to thc metal, and this hardening is uneven in its operation, and distresses the'metal, makingit thinner in some places than in others. But the greatest ditii` culty with the old process is this, that the die, as it is forced into the matrix, carries the metal with it, tending all the time to shove the bottom oil from the sides, and by consequence stretching the metal most at the angle formed between the bottom and the sides, rendering the metal'thinnest at this point, the very point' where most liable to injury,and

where blows and bruises in using usually cur; and the large-size edges of the sheet," having to be drawn into a smaller compassto'A form they vtop ot the kettle, are compressed and made thick near the top, where there is little wear, and where it is supported by the wiring; consequently the old process make-stile kettle thick where it should be thin, and thin where itA should bethick, and the process of hammering, although producing a better article than stamping, still has the same disadvantage ol' making the metal thin in the wrong pince.

The improvements, subject ofthis patent,

asdistin'guishedand contrasted with the forcgoing, consist in the arrangement of' nneychanical. means to secure a circular disk ot' metal. against vthe center of a form, so that it is rotated with the form, and then bringing a proper tool to bear' against the disk, and gradually moving the tool by the machinery as the diskis rotated, bending the metal, and compressing it gradually onto the form, thc tool operating so as to compress the bottom onto the shape-of the 4form and gradually, thin it; and then to draw the sides out straight and gradually thinner on the forms, which forms are made successively smaller near the top of the kettle, the bottoms remaining thesame, and the straight sides coming lessconical until the last form is of th'eproper shape and height to t'orm the complete kettle.` The bottom, always beingformed by theiirst operation,` is not changedby l the Vsubsequent 'ppmtions of stmtciegand, tn ignp-ingthe sides, the bottom antl-'sides'iibeingtapered the poppet-headj-F' of the lathe,E 'Bpfthese from the" center of the-bottom; l'where 'the l'both-'fare secured by a clamp-piece,f8';lbeneath disk is of its original thickness," to the 'top slides 1 1,v through which a bolt, g, passes, lof the kettle, which finally receives and is supwithjamut above the bedl of the poppetported bythe wiring, which wiring is put in .head 'F'. 11 11- are adjusting-screws passing as usual. l 'I I jfthrough.ears ou the bedr Etakng the sides These usual operations are eiectedby said, vof the bedF-tto adjust it across the machine. machinery, the largest-size kettles or"\b'r'ass" This head F "'sformed with a' pipe, f, con-V batteries, as they are sometimes called, being necting the tops ot'- the ends, and inside Ythis .completely formed. ,by theiznscfof'nreior' sis pipe'f .isahortripetfhiseeFigi-4,) secured molds, and the-annealing has to be done only by a pin and groove, and this pipe f* is-formed' al corresponding number of times, being .onthe with, or carries on its outer end, a hand-wheel,

blank andbetwceu each successive operation. f,.the hub of which is formed with a female The operation of the tool -on' the'lettl'el is sim-` screw'in its interiorffThe thusifor'xned ilar to rolling, drawing the metal out with'ai receivesthe snpportiugmandrelf, thathas a spring, temper, and elasticity equal to rolled groove taking apin to' prevent its turning, butg metal, and ofan even hardness and homoallows it to slidey freely lengthwise; and this geneous texture, and the kettle is formed' mandrel fu iits .the pipe f on its end next thickest in the part wherethere is most wear.- the chuck e; but the back end is made larger, -Ha-ving thus described thel general operwith a screw-thread, 13,amendit, that fits ation, and the-advantages ofthe article mannthe screw on the hand-wheel' T. The object A factured by said HAYDENs machine, -we will of this arrangement is that, :by 'turning' the "now proceed to detail the construction and wheel j"2 until (it has drawn the' supportingarrangement of the means employed to-pro-v mandrel f back till. its 'screw 13 `is 'disenduce the above-mentioned result. i t .gaged, the mandrel f? can'be slid back 4out of In .the accompanying drawings, A A are theway, so as to bejableto 'remove thekettlev legs or a frame supporting a bed, B, made without moving the headF, and also without similar to the bed ofa lathe, with slides 1 1 losing time to screw the' mandrel fi'back, on the top, as usual. 'Q is a mandrel-head, which would be the case if the mandrel had a formed with journal-boxes a al, receiving the .screw-thread its wholelength.' "The -end of mandrel fc, the endwise'pressure on which is this mandrel f3- oppositie .to the vscrewl3 is Y taken by the back set-screw b,` in a cross-piece turned smaller and 'toa.center which= receives bl,on short columns b, nearly as usual, g a socket, 14, and allows 'it to rotate' freely. Betweenv the journals a and al theuandrel vThis socket 14 has Va. small disk on its end,

c has around it the conicalpulleys e, set loose with a`si11all cavity infthe center; The circuon themandrel D,asusual, and having on their' lar blank or disk ot: metal to be operated on smaller end a"pnion, d, taking a wheel, d1, on has a blunt center ,punch-mark. in the'l center, a short shaft, 3, set in adjustable sliding jourthe convex side of whiclutaking thecavity in nals 4 on the mandrelhead C, with pins a: passthe face of the socket 14,' forms a guide to ing throughholes in the sides intothejournalbring the sheet to the right place forall the box. These-holes are so placed that the pins .r operations and when the.' kettle is completed secure the journals, so'as tobring the wheel d* this punch-mark is to bebeat down flat again. into gear with the pinion d 4or disconnect The diskof metal is to be-pl'acerL against the them", and on the shaft'B is a pinion, d2,"t aking form, and the mandrel jg shovedfnpv till-the a gear-wheel, d, which is lsecuredzon the screw 13 is taken by the-screw ot the wheel. mandrel; but the pinion d is disconnected 2, andthe mandrel f3, with its socket '1.4, bel from the wheel d3 -when the wheel dis disconing forcedstronglyup onto the sheet of metal i nected from the pinion d,the objectofthisb'eing- '(which is to be so placed that its center-mark to give a slow powerful rotation't'o the' manenters the cavity in' .the socket 14) by turning drel c, but this maybe used o r not, asV in the wheel f2 to give the required pressure, and i ordinary lathes, and when not used the wheel clasp the disk firmly between the socket 14l da is to kbe vconnected to the pulleysD by a and form vE, the disk' and socket rotating bolt, the head of. which is shown at 5, Fig. 2, with the form, Ou power being. applied, the which is to be screwed into a hole inthe end socket rotates'on the end of the mandrel ffj ofthe conical pulleys D, as usual, and .a :tightening-screw, 15, may be4 used tol rlhe mandrel chas on its nose the face-chuck bind the mandrel tight in the tubular bearing e, made as usual, and turned true, which hasif. These 'being the vmeans of' seenringand holes through it to receive the s'crew-bolts6 rotating the, form or mold' 'and the disk, the with their nuts, that secure the rotary -forms., ,ieanfofsustainiu'g and moving' the to The first one of these is shown in Figs.` 1 and operate onthe sheet are next; to he described.v

2, marked E, and 7 arescrews to adjust the@ gis a 'gearswheel nearftlieend of lthoman- A-form to the central position, ou 'the 'chuck i,drei c, outside'thefhead G, through which the, but the meausofadjusting and 4sg'acuring Athel power isf-communicated to drivexthe other .forms to the chuck -are to,4 be i lbest' parts ,jf1' l:is afcent'er-pn the head C,- sdapd to the purpose. `E is a slidingbe'd'in; j ingffa'ilatframe," y,' which carnestwo pinning, ".tliefslides 1 1, taken vby a; cross,'V," 'slide 10,11? 'adf g3,'on studee'nters 16:'.aud'19ij1'211e pinion q1 gears to a wheel, h2, on the center 17, andan intermediate pinion, h, on a center, 1S, also on the frame g2, connectsthe wheel h2 and pinion g, the object ot' .this being to give the wheel h2 a rotation in either direction, and by consequence all the part-s connected to it, for a purpose hereafter shown". The wheel g rotating in thc same direction all the'tinie, if the frame lf3 is moved on its center 17 so as to connect the pinions' g1 to the wheel g, the

-wheel g* and the wheel h'f will be rotated in the saine direct-ion g but if the pinion g is con' nected t0 the wheelY y, by moving the frame 'g2 the wheel h2 will go in the opposite direction to thc wheel g, andthe frame g2 can be so set that neither the pinion gl nor g3 touches the wheel g, so that the wheel h2 is not moved. l

The frame of is movedby'means of an arm', g, with al link,' r/", toa small disk, h, on the end of ashalt, le', set in bearings 20, with a handle, 21, to rotate thc shaft, and either raise or lower the arm g4, as is usual in lathes.

h4 is a gear-wheel, taking the wheel h2, and has a pinion, hf', formed with, or connected to, it., to communicate motion to a wheel, 1'., that is on one end of a screw, il, which runs the whole length of the machine, inside t-he hed, for a purpose hereafter set forth, 'and is secured at the other end by a nut and washer, 22, outside thc bed B. The journal through which the screw t" passes near the wheel i, is formed as a short pipe from t-he bed B, and receives around its outside the eye of a. lever, i, that is formed with a slot to receive the center 23 of the wheelv h* and a pinion, h5, so as to .bring the pinion h5 -into gear correctly with the wheel i', and adjust in case of wear. The lever if extends toward the back of the machine and terminates as a' handle, and has a screw-pin, 24, and nut 25, with a lever to turn it. This pin 24 passes through a curved slot, i", which is secured tothe bed B andv head C, the slot being the arc of a' circle to the center of the screw lil. The object of this lever is to'bring the wheels h2 and h4 properly together o'r entirely disconnect them, andalso allow different-sized wheels to be put into regulate the speed.

The wheel i gears to a pinion, t", which is set on a shaft, K, that has a long key-seat ytov take a key secured in the pinion i4, so that the.A shaft K can be'given a rotary motion, but still is allowed to slide lengthwise through the pinion. The shaft K is supportedin a journal 27, on the bed B, and the pinion i4 is retained in place by a fork, 26, coming from the journal, 27, over and into a. groove around the top of the pinion z". The shaft K is sup.

ported at the other end in a journal, 29, depending from thc under side vof the bed o1 of the slide-rest, and has a miter-wheel, l, on its end, taking a similar miter-wheel, l1, on a short shaft passing through a pipe-journal,

30,-depcnding. from the bcd e. l2 is a. gearf wheel secured on the end of this short'shaft,

which sets over the pipe-journal 30, the other end being formed as a handle, 3l. 432 is ascrew passing through a slot in the lever m into the part o1, which slot is of suicient length to allow the lever m to be moved snilicient to connect or disconnect the pinion lv with a wheel, n, and a. stop or blocking piece, 33, set on a screw on a. bed, o1, retains the lever in place to connect the pinion l? to the gear-wheel n. This wheel n is set on a shaft, o, formed as a screw, and supported by a journal, 34, near the end of the cross slidingl hed o1 of theslide-rest; and the screwshaft o has on its outer end, near the wheel n, a handwheel, u, whereby the screw o can be rotated..

vThe bed o1 ofthe slide-rest is formed to go across the machine onV the slides 1 l., andhas a slide, 35, at the back edge,taliinrJ under the beveled outside edge of the slide .1, 'and is formed with a bed', 02on the frontof the machine, which has flanges on the Aunder side, taking setrscrews 36, the prints of which enter and adjust a slidingplate, 37, that takes the bevel on the outer edge of the slide 1 on this Iside, so as to allow the bed 01, with its partso2 and o2, to slide freely on the slides 1, but be secure in place. 'o3 is a plate on the end of the bed o2, passing downward .and terniinating as a pipe, 38, that receives through it a short shaft that has on'lits innerf end a pinion, o, taking a. rack, 39, on the under edge ofthe slide 1. o? is agear-whe'el on the outerA end of the shaft takinga pinion, 40, which is mounted on a short shaft. centering inthe plate. o?, and Va bracket, 41, outside sustains the pinin, and a handle, o, connected tothe shaft of this pinion enablesthe operator to run the slide-rest and part attached back, when desired, if the slide-rest is not otherwise retained in place.

The screw o'enters a nut, 42,on the under side of the slide p, which is formed with beveledsides, as usual, and this slide p taires the,

columnv p1, which is'secured bya'center-pin in tlieslide p, and has a tiange' with bolt- 43 to secure it in place, and this flange. is to' have a second set' of holes to takethe boits-.43'.and

secure the column when turned into another position, for a purpose hereafters'et fox'tlr'; or.

the screws that hold the columnp1 tov the slide p vmay pass npthrough the slide p' from beneath intothe column to secure it,'as before.' Ontop of the column p" is a.l smallxslide-restt p2, with screw,44 taking anu't on the' under as not to cut the metal. qV is a bracket bolted on'the-hack of the bed B, formed with a fla-t top, as seen in Fig. 5, and withva rabbet between4 it and the slide 1; to passthe slide 35, vand this bracket q `has a flange, 47, at each fend, on lthe top of each'of which is'a bolt, 48,

that passes through a slot, 49, near each end 'o t a pattern guide-plate, q', andv nuts4 aud washers on Vthe bolt 4S secure the plate q to the 'bracket q after 'the'v pattern-plate q' has been adjusted horizontally to the proper place,

the slots 49 allowing of this adjustment, which is effected accurately as follows: 53Y are two lears. on the outside faces of each ange 47, that receivel a screw, 52 at each end of the bracket ql standing yhorizontally andatright angles to the slides 1, and these screws 52 pass through the ears 53, and are .kept in place, but Aallowed to turn, by a pin behind the 5 outer ear 53, or other convenientmeans, and

around each screw 52 is a nut, 51, that has' a.

piu entering as hole, 50, near eachend of the gnidefplate q', so that by turning the screws 52 the plate can be adjusted horizontally, and into a nearly parallel linewith the front side of the form then in use; and the nuts and washers on the bolts48 retainl the patternq firmly in place. Through this plate q' is a slot, 54, o f nearly the haltsectional shape of the form E, and receiving va. roller,55, on 'a stron gpin, 56, near the back end of the 'slidep.

The operation ot'4 these parts is as follows: The-operator disconnects the pinion h3 from the wheel, n by removing4 the blocking-piece 33, and runs the slide p,back by unscrewing the screw o by the hand-wheelV n', at the-same vtime running the slide-rest ol and parts connected. back by the handle oaud pinion o,

- taking the rack 39, the. roller 5 5 running in lthe slot 54 until it reaches, or' nearly' so, itsV back end. ,The operator nowtnrns the handle of the screw 44, moving the slide ps and tool 1'V back out of the way. He then places.' a blank ot' metal in the machine, and secures it against the mold E, as before described, He then runs the slide p up, so that lthejtool takes againstv the disk .ot metal with the required degree of f pressure. The proper point to which the tool is thus projected is determined by mark's on the slide-rest `p2 and slide p3, or` by a screwclamp (which is preferable) on the slide pf', so that when the tool ris projected to the proper place,- the clamp takes against-the endof the ,rest p2. 1n this position power is-:ag lied to rotate the chu gk and disk, as descri which motion passes from the mandrele through the gearing, rotating the shaft K by the pinion i, taking thelongslot 28, giving motion through. the miter-wheelsl and ll and wheel` P t the pinion l, which the workman connectsv to the:

wheel n bythe lever m and blocking-piece 33, which rotatesfthe screw-shaft'o, drawing the slide p toward the front ot' the' machina- The tool r, standing near the socket 14, lcommences to-operate onthef-disk, and ifl no other power operated' on the slide p' the tool r wonldibe drawnout. at a right angle to thejslides 1; hut- -the roller 55,' being drawn' forward inthe islot` -54, moves the slide-1), rest 01, and partk attached toward the lmandrel-'headv C, the-shaft K sliding thron gh the pinion but being still haces .rotated bythe key and slot 28. The form of .this slot 5.4 is such, and the'pattern-plate g is so adj usted, that the tool compresses the disk .of metal regularlyas it is rotated with the the4 shape of the form, gradually thinning it;

tion proceeding the slot 5 4 causes the tool-to draw the metal gradually thinner from the of .the form E, and as thi'nas required i n this iirstoperation. It should be here remarked.

ning ofthe top. of the kettle brings it to the er blanks or disks.

gone:i'.h`e"f.'i' st operation, the' s'lidespI and tool r are' to he run back ont of the way, the mau- 1) and slide-rest o l are now run buck'as. before,

in motion a's before, and when the required number of kettles has been thus partially or another or successive setof machines may being constructed precisely the same as has ception of the changeable parts hereafter set chine adjusted as follows:

taking off the'nuts from the screws 48, and

'n' until the'nn't' 42'runs ott' the screw 0. The cap of the journal 34 is'then -tnken ot1`,and the form El is pnt on the chuck e, (see-Fig. 6,) and to be removed lfrom the flange ofl the column p1, and the column given a partial rotation to ure on therrolleris taken on thepoint o'f a setscrew,66

.0n the bolt 4S on the franges 4; arev placed e. the slots 63ofthe second pattern-plate s, formed,

as seen in Fig.v6,.with a straight slot, 6i?,v and .this plate is adjusted horizontally, as before, by the holes 64 taking tliepins 51', so that the 'forniE, operating on the disk to' draw it to from the center of thebottom, andthe operacenter -until the edge is extended tothe shape that the disks or .blanks shaped by. these -l meansshould be smaller than inthe ordinary stamping process, as the extension and thiuproper shape and size, with considerably small- The blank diskofnletal havingv thus uuder- 4drel f? withdrawn, as described, the partially.- v shaped kettle removed from the form, therslide another blank p ut in and secured, the 'slide.p run up to the proper place, and the parts put formedandannealed the machine is' altered e'ect the succeeding operations, the machines' been described up to this point,.with the ex-` forth; but for the'sake-ot' .clearness we' willsuppose the present machine to have, the following'p'arts brought into action, and the ma- The lfirst. patternfplate q" is removed by" the screw o is unscrewed' bythe hand-.wheel v screw ovand parts attached entirely'rernoved.v

After the removal of the form E'the second adjusted so as to run true.- The bolts 43 are the position shown in Fig. 6, and the bolts 43 the end of which is-arollxer, 68, and the pres'sedges of the slot 62 neorly'parallel with thefront side ofthe moldE, bntsc as tomake lbe forced against the ybythe screw 44 to the required point, which the metal thinnest near the top of the kettle; and this plate s is secured in place by the nuts on the bolts A clamp is now brought to bear to take motion from the screw il, previously referred to. The way of effecting this will be seen in Fig. 5,?i'herein rl is a ila-nge on the under side ofthe slide ol, descending and having an eye, 57, to pass the screw il, and through the side of the eye 57 is amortise, taking a slide screwclamp, 5S, that corresponds to the threads oil screw il. 59 .is a-liuk connected to the clamp 5S and to an arm, 6l), passing through a slot in the flange rl, and formed with a small shaft sitting in a hole formed in the flange rl and bed ol, which shaft has ou its outer end a lever,

w r2. It will now be seen that, when the lever r2 is in the position shown in Fig. 5, the clamp 58 is disconnected from the screw il, which rotates in the hole 57 without moving any of the parts; but when the lever ri is raised up, and the blockingpiece l6l on the slide ol placed under the end of the lever, the screwclamp 5S is brought against the screw il, which is kept from bending by the eye 57, and coml municates motion to the slide ol and parts attached, to move them in either direction, according to which way the screw il is rotated by the gearing from the mandrel c. The kettle l, partially formed, as described in the foregoing,

is now to be clamped firmly against the form El. The bottom of this form El is the same shape as the .form E, the sides being brought nearly parallel, the cavity in the socket 14 placing the partially-formed kettle centrally in the lathe, and securing it onto the form El, as before. The slide-rest ol is now to be run back by the handle o until thc roller 68 comes'nearly opposite the commencement of the side of the frame El, and the slide p, with its roller, is to partally-formed kettle may be determined by a gage or clamp, as be fore. The lever r2 is now raised, and the blocking-piecel 61 put under it, the gear-wheel, from the mandrel c to the screw il, being set so as to rotate the shaft il in the direction to draw the slide ol and parts toward the mandrel-head C. The power now being applied rotates the form and partially-shaped kettle, and screws the slides ol and p with the roller 68 gradually toward the chuck c, the slot 62 giving pressure through the roller 55, slide p, and column pl by the roller 68 on the kettle, and this roller, turning as the kettle and form is rotated, compresses and extends the metal till it sits close onto and i's of the shape of the form E', and extended also in the length ot' the sides, while the mouth of the kettle has been decreased in diameter. The mandrel fll being withdrawn, the kettle is removed as before, and the slide-rest run back by changing the direction in which the screw il rotates, or

by disconnecting the clamp 58 and running back by the handle o,

and the parts brought justed that the slot 62 to hear on another partiallyformed kettle, as before.

It will now be seen that, according to the size ofthe kettle., it will be necessary to have forms that will draw the mouth of the kettle gradually smaller, bringing the sides nearer parallel. The conical sides of the mold heilig straight, all that is necessary is to have the pattern-plate s with its slot 62 so adjusted that the slot stands nearly parallel with the side of the form at the point where the roller operates on the kettle without the necessity otl having a pattern-plate for each form but it is seldom necessary to use more lthan four or ve forms to produce the largest size cour plete kettles.` In the drawing only three forms are shown, the third form, E2, .which produces the complete kettle, being shown in Fig. 7, with the pattern guide-plate q and slot so adis nearly parallel with the'front side of the form E2 and this Aligure needs 4no further explanation, the Inode of working' and operation Ybein g the same as last described. And it may here be stated that the roller can be applied with the first form or the tool r in the subsequent operations, although t is preferred to use them as herein set forth. .And in this arrangement the angle formed between the bottom and sides of the kettle is not reduced in thickness, the roller commencing to operate with scarcelyany pressnre at this point, but gradually compressing the metal more and more as it operates nearer the top of the kettle.

I .am aware that machinery has been made and used for compressing kettles and similar y articles into form by dies, and also for the spinning orburnishin g up conical or spheroidal forms, or forms of the same shape as a kettle, and the two processes of stamping and burnishing have been combined but in the apparatus the4 subject of this patent the metal is stretched into form at the same time that it is compressed and thinned between two metallic surfaces, similar to rolling a fla-t sheet; and I am not aware that flat disks or blanks of metal have ever been stretchcdand compressed so as to extend the sheet and form a kettle of the proper thickness at the required place by means of the pressure of a proper tool, roller,

or similar artiele,moved by mechanical means, f:

while rotating with and on a proper form or mold of metal, as described and shown, being self-acting, and in contradistinetion to guiding the tool by hand. The gear-wheels and pinions above described are hereby isclaimed, except in their arrangement as hereafter set forth, some of these being common in ordinary lathes. l l

What is claimed as new, and the invention of the said HIRAM W. HAYDEN, is as follows: l. The application of a rotary metallic form or mold, or successive forms or molds, in com proper tool or tools, roller or bination with a rollers, sustained, moved, and directed in a the machine, when adjusted,`

proper path by`colnpetent mechanical means,

for the purpose of operating on afdisk, blank,

or plate of metall, so as to reduce it. gradually from the center to the edge, at the same time forming it with straight sides, by successive stu ges, into a complete kettle, .or into any similar articles to Ithe forming of. which this appar ratuscan' be applielhsubstan tially as described :and shown. I Y A l 2. The construction of the mandrel f a, part of which'is cylindrical and `pam; fitted with aI short screw, 13, to take the screw of the handwh-'eel f2, so that great pressure z n'ay be made at the point desired, whil'e atthe sume time the mandrel can be easily and quickly moved througha long distance, for the purposes and Ies described and shown. v

In testimony whereof I hve hereunto set myhand and aixed the seal of the said WATER- vmunir BRASS CoMPANY, in the presence of two subscribing witnesses. l A WATERBURY BRASS COMPANY,

By J. C. WELTON, President. [L Sl Witnesses: HARRIS MCKEEVER, j ALBERT M. SEcoR.

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