BE623313A - - Google Patents

Description

       

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  HE .HIM Ai, Jr.é HUIJ? : bË? ja. 'J 1 #) of the dopoofo patent application in rr, n: e on November 15 IgCl # nopâ b79oOl6 2 *) of the do! * AKdc to read addition dpoa4o' on Franco on January 23, 1942t n # P-685627} *} had to ask for the 21st addition d; aat¯r on.Fr4tice on February 15, 19C2, n * pe 686.Hl 4 *) of the request for 3rd:;> Q addition dlionde en Reanoù le 16 m-rs 19ô2, n * pob g1.2'8 in the name of o 35.

   At I1T2.T On:, 4.: RJ3cür dj. of utîliocr, d..nc la tv ': raua dos oliaudibrue and' 6 * asses = s of heat, heads which, in addition to being ordinary #ubea, of circular action have UM ovular or vertical section # à Pzàcce jymé * .rïques or cLssyadtri, ta, cîvQrtue.7.ent reinforced wall at the ends, .s of the major axis $ or enecm-q of the tubes pr <! 3 <Kt't of the potit <fins or lonC4.ttdirzles, Qt trenovarsalos, or es stiies or oudrilla ,, nrà on lura uur: aa xtcrr <ca and internal ztr.0, Lu manufacture of, coa tubas by the processes

 <Desc / Clms Page number 2>

 
 EMI2.1
 Usuals are not Help, especially when we want to get them by spinning, because we meet large * 4: 11'1:

  1. '"ôultéa for example in. The spinning of a tube whose internal diameter must be approximately 20 mm * for a wall diameter of 5 MB * and beyond, on the other hand trfJochilUI8 are known. h forgiro t. weak ran where is eaeondrd # by eccentric or pneumat quarmnt, 1 the speed of, for example, ten /.l11 #a and returns to the secondât a fast reciprocating motion didoartement and would approach two dowi-l1 '. atnoo8. which presenting corgea between which is forged by parussions the piece to be treated Io It'4ÍslA'1w invention relates to the application of a caobino of this kind to the manufacture, from ordinary tubes 1 of tubes of circular section $ or any one, presenting longitudinal fins, with, 4ventutlltment.

   rgn3'arosaut of wall in oertainee regLotia of the tube of tubaa of oval toction, or latiticulairai with tao .. sy- JtJtr1quu or àiam6trlquea, <} vuntuellet) t6nt with reinforced wall in some I !! r4c; i ona, or finally 'tubes presenting dan nllettas, groove has OM streaks trl.l% lcv # St.Û ", where obliques @ possibly drilled chevron a, in short whose jzrfaoa can have any aspect aouhdtâ.



  According to the invention, the two half- = tr4cec of the 9sw chine to be forged, between which passes the initial tube which one t1Ó: J1a ibrgcr, prJoJent doa working gorget whose inose tion trumverottle is variable in the cent longitudinal wall * on the at the end of the treated tuba, and cola de fà, on roer.as!,. 1 or

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 discontinued
 EMI3.1
 Or in ocra, the oOa'.port machine .. a series of last couple:

  l.-ct1trioe8, disposed.! the ones if the continuation of the others, and being able to be separated by free intervals, the shape of the grooves * being able to vary within each couple of half-matrices coma mentioned above, and varying from a couple of matrices
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 au next couzle The tube goes from t'a91ft oxttîmo4 or diso # tiwe.
 EMI3.3
 inside these matrioea From the aorta, in a single operation, we progressively come from the final section of the tube to take a different section at the exit of the device, with, eventually # variation of "- ptdaseur de lut wall of the tube, said tube pounint have fins, or ua3,7.liea, or striations, longitudinal 8, transverse or O'lii08.

   and, in general, a surface of t04 'j4 ..' Vft6, Coxformed to the invention) the tube to be treated is for, or pulled, or subjected to such gentle operation. to advance prograea3vexant, continuously or discontinuously, between the nutrioes i the machine.



  QUI "M the variation of the section trans" ac'aale a.5 grooves of a couple of # mi-l! 4trioea is discontinuous, the grooves present, in longitudinal direction .. paralll-le to the axis of the treated tube , a succession of stages more or less parallel to
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 and axis. In 3rd OR3, the advance of the tube between the dies can take place dijoontinuously, the tube advancing during a period when the matrioea are separated, so that a portion
 EMI3.5
 of tube treated in a bearing passes in a 3eu1 blow uu a previous stage, and thus of ..JUite.
The tube can be heated from the outside, and-or- from the inside, by means of a mandrel inserted into the tuba.

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 EMI4.1
 cht:

  uffxge may interest the entire .4ri.hêrh of the tube, or sc, ul # ent some rlcionu of the tube, jar itxer4, the oellcs which must be 8ur ', u.i :; siee, or a-uxicoa lA. due deformation:}: Lm, crtmtii.



  The t7crépu of the ajetricau, pu portions of lo, ma .. trice Bitumes in the end of the o ",,: ruti 1 '\! ElUv..nt iJrú; cnt # of the minoras, or protrusion a, longitudinal 3, trwïISVCI'811ee, or obliques, or is based on chevr na or that "dr 111" ± 815, which ello- ²r1U1 = ront in the uurfaati of the fear tube: r ... hu ± ..r mr eellt-ci to1.l1ttee. grooves, or s-irieci sic for., .. e corresponding. from a / 11 & 1: 10 tuot- ordinuire, da section
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 circular, we can obtain nur la nguour de oc tubo des
 EMI4.3
 different profiles will type or configure! ena following 108 atiaa du tubb x :, l, tcfea, By oxc- "ple, den the CM where we want rt'alicorp 1-for an injtallation thcru.1q, ua un tubu ': vul, orutcur do chau- dière of which a certain part will be roomicnt) and dayvut small fins uu w ::, 6; ailJoouru lungitudinulea, diau.étrde- ment o.pos4e:

   allowing to obtain i r., r uouduru uru, continuous wall of Ówporateuru tube surrounding the hearth, the same tube may have, at the same time as a first uinui treated portion, a treated portion of lumifero to take a le1bticultJ profile .- re, possibly wr4,1ai tla! In this. extrdr-.itde, and intended to serve, for exurlle tube tiurcheuffour tt the ouito of the tSvajjarateur tutle.

   In the portions of the cueation tube which, having to be bent hearth, we can lay 118! - '1' to the initial tube in the circular section,; ventueller # nt r-itreinte in an exterior dllunbtre or enQOl'8 treat this portion so that 'it does not i: réaE3r .., iu'un t: only fin and -the bend eV exits - made air side portion ol, .iasunt fin 1. nr, itudinc;

   "../ in the ru'rion extiriit. du cii4tre

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 EMI5.1
 The description which will follow, in rasard dao deauina annexed <nnf! A by way of example, will explain the way in which llit.-vairn can be: "he recs7.ia6e. Ta 11g.1 represents tichéuntiquemetit en cutting trv # -aa.1e la: mcl1iIJC to Zrgw, fast reciprocating, and the tube
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 engaged in the machine
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 len fig. 2 is a hole through 11-II of the tube at the entry into
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 the machine
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 Fig 3 is a section through lIlwll'1 of the f'1e-.l.



  ! J / l fie. 4 is a section through IV-IV of the same fttol.



  141 fig. 5 is a section through V-V, 2t. the exit of the machine.



  The îi (s 6 is a section of a tube of circular section which can be treated in the na chine, from J: BniQ: t'e to. Obtain the tube profiles re, t.1 "êsGntds in fig <7 and 6. the a ig9 represents a longitudinal cost of a tube whose outer surface comprises fins t1'N1IJVIII. "salu 3 m <ii - gds on the tube.



  YA file.10 represented in longitudinal section a tubs whose
 EMI5.6
 the outer surface has chevrons
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 the: 1! g.ll represents a tube seen laterally in elevation, oc the crimped, of the machine, and comprising oblique grooves * dir18tSu dane a6U in its part îjupér, - 'e = e and d. 3 oblique grooves directed into the other senna, at its innate part
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 laughs
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 The i'3g.1 'represents schemat3, uacar.t a tube, comforts to
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 the invention, ripant a boiler hearth *
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 Fig 13 is a variant of. f'ig.i? ..

   Io ne.lA represents a fragment of the surrounding water wall
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 the boiler hearth
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 TA! Le.15 1'ePr4DGnto ochémétiquéont also the superheater 4 located at the hearth of the chuuçLez0.

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 EMI6.1
 Fig. 16 represents one of the tubea of the chu1.1d.1.bre, first profiled in a tuba of a water wall, and entity in a heater tube.



   Figs. 17, 18, 19 are respectively a coupon by VI-VI, VII-VII and VIII-VIII of fig. 16.
 EMI6.2
 



  Lu ig.20 Np: #aentG in section a tube hanger avoo unilateral fin in 1 extrados.



  Ln fie 21 shows, in section, an oval tube which will be treated to obtain. a tube with extra thick walls.



   Figs 22 and.! 3 represent, in a cup, the tube
 EMI6.3
 of 1'11 ± .21 when there is no passage between the matrices of the Badine & rapid alternating mmaent * hard in fig * 23 the tube ends.



   In the example which will be described with reference to Figures 1 to 5, it is proposed to transform an ordinary tube of circular seation into a tube of circular motion, of radius more
 EMI6.4
 small, presenting two longitudinal fins diesmtelerant oppcaeett short and talism.

   During its passage between the demi-catrioea, the mouths of which are cut in accordance with the tube takes: JUoo.88iY.ent only one operation the halved forms naked at the beginning of the tube, previously heated according to two generations dil1! 1: et ielGtent O; pOJC! La and killed in the .la !. junction of the d # 1-lnatrlcu, is tr ... "1D! 'ome in a tube with a legtlroJ radius: 1st1 lower which dampens the packing of the Batai in the hot part and constitutes a swelling of the part of the tube in the real leu . = d1kC'.étraleent opposites, .8Uau1t1, the work of fbrgear must gergoi accentuated the decrease in the diameter of the tube, the ro'1Dnt the formation of summer embryos overflowing from f, i 11 4'a! JwI là fafe! From the tube 1 letifil dart il 4eKi ",

 <Desc / Clms Page number 7>

 
 EMI7.1
 part of the half-master, the tube takes a drill:

  << circular, of diameter smaller than the diameter of the tube initia.1, while q.1e the two fins are completed and d1nf'reinée8.



  The circulating section trstter tube is engaged in the direction of the arrow P between the di ... n ,, txicelJ and 1 of the forging machine with rapid reciprocating xouvemsnt.



  DAM the example chosen, the of: d ..: lower at1'10e is a dormant matrix and it is the lower half (a which is animated by a rapid ultoex'mot1t lUouvc # nt,. < <ÙI.M the sound of the double arrow G. This movement is pie example of ten to the 1st and returns per second. Count we see it more? Will specify.-On the end.



  1 49 5t the grooves of the half-dies ±, 1 .i. raxLt tailiiea so as to present 1 * between the crimped half-matrlw.



  008 a progressively variable tranevocial ..ot1n, louse give you imbe to the profiles OUCO40ito "$ Ir" cc, .. on said fige) k 5 We will notice that de pr4f & rll'lClfl, the 4811 \ 1 "lIIItr1oe S. presents : rao4 cut in ± 01 '. dio notai ± 1. ± V> 1 engage on inclined parts of the ax- trios cf. # llante..J1 .. 4. II81Utr. to 111 \ 1.1'.,. . cl² \ Q.llf fallout, the exact oentrlsw of the domi-ma trios au Mûrement with respect to i4 dafli-mtriOA c1armnt .. te tube A is oMutt4 before its W4Vdt deu matvioea along the daux gen <Sratxlaew opposite d. d2 , au1vl11t loe hatched regions at tig. 2, which wnt Stee aounioea to the trmsform'lt1ons indicated above.



  The foga heating takes place either externally on either side of the tubo, or again 3, ntxiauFeMtrit, by the end .. ter media ire of a supporting rod ± of an interior manuria
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 terminated by an olive. ±, which calibrates the inside of the tube

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 EMI8.1
 on leaving the ln "ch1rt. The ohauf1." head fluid will exit by excel through the orifice I which are re-examined de-nis the rod 1 before the entry of the tube.!. between the motor coaches.

   This orifices 1. can be provided on 14 UI11 .1 in regions citu4e4 inside the tube, hostage in the * lI11 \ tr1cu, to heat, 'U "I takes place inside certain regions of the tube , n- souaiuea to an intense plw transformation during J, e passage of the tube z inside back dies Tin ircGre3tilon of the tubo, in the side of the arrow Y # is uaaurdo aoit pure; poW306o. or pnr traction, seen by that soft means Combined * Cotte proer4sibion can be continuous or discontinuous Buna the oyat1) me mechanical which samre the advance of the
 EMI8.2
 
 EMI8.3
 tube 4 | it is planned to irlt.r.ofJ81 'one or more 614etiquest kar e; sauple or form of sonnortu or rubber plates, which, JlBl "t ou1: lbIIOCt dent the case of continuous progression of the tube, Imi4l nt lU /;

  11l, Uru 4 '"YMOIt..t' '' of the tube a ertnine él nllal 4 during the moments eh the perouseion of mi trio es etoffectute
 EMI8.4
 The force and speed with which the tube is
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 tire or pou8 << between the 1MtJ '! where they are linked b. the yrarea * iviti of the variation of section in òrges provided in the tanfrioew, so for example that one skates continuously or continuously from a certain form of section of the tube to a felt form of section 84n; J that it results in metal wrinkles in the
 EMI8.6
 tube wall
 EMI8.7
 Here the progress of the variation of the groove movement expected in the matrices is rapid in regions where it is desired to increase Il f.ai:.J:.I'-U1 'of the 1.aro1 of the tube.

   In ohm- trance "if one wishes to maintain 1dpei, üsour initial of the tube, while mod111t section, this rotaU8ivitÓ is slow,. Is to say; uu the Profile, of the eJJrgt) d; 7Ia le m lon ,. tudina: 7, uo. = "/

 <Desc / Clms Page number 9>

 
 EMI9.1
 matrix had a very gentle slope.



  J> 9 initial tube a, of circular aootiot, when it has reached damna its progression entered the dies the line of cut HI-III of tig. 2, 9 presents on the upper and lower faces a radius of slightly curvature smaller than that of the initial tube tandia that the lateral regions - located in the median plane to at aont over-thickness cossa. as can be seen in fig 3 Between the section lines 111-111 and IV-IV of the fi. ,, the pre- gronnivity of the gorgea of the matrices makes that two vmbryon4 d1 ai- lette $. & 2:

  "2 rw form from the suref8isseur. On the
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 diametrically opposed generators of the tuba while the
 EMI9.3
 radius of osurbure of the tube at its lower part and at the upper part is still slightly reduced Between aea line of section IV-IV and YV of the tlB'.1 1 * firm of the fins gjf ± # has been completed and has been Cho .ntr.ir1Óé, while the radius of tu "08. smaller: t \ XI one golden radius here has not changed from line IV-IV of 11th. 1.



  We can also avoo an oa china of this gtrweg and in
 EMI9.4
 starting from a tube of circular section, as shown
 EMI9.5
 fiC.6t obtain at the exit of the dea-iatrices a tubt>, of elliptical au * - tion of which 1 * thickness of ptroi is' reinforced at <06- trésites of the major axis .00 MB shown in fig'7 -We can muni obtwrdr, h the output of the half-matrices cenAbl'1: Im1t tail-
 EMI9.6
 
 EMI9.7
 les, a general term tube: '. ent1cu14ire.1, to. rrotil diuq- dtriQ) .1o of which a faoea back is more rounded than the other, the tube being sinultanécent reinforces at the ends of its large axer Instead of a half-matrix d = ante and a 4vd-dt1'1o , to IIIOUVOI! Q'1: rcp140, we pt'Jt ut43JM '(cough half-MlfiMa c: ob:

  l.the he. oscillations f6fide <t

 <Desc / Clms Page number 10>

 
 EMI10.1
 It is only foreseen seen, instead of having only two long dotti-autrioes, as described earlier in fig. 1, 1 &. machina oooperates a series of couples of dom1-L trices, se'pm -: where pure free intervals, in which the flow of the tube, in its entirety or in its refions can be x6heated, or cooled from the outside , following the a oaa.



  At 16. output of the couple of half-matrices, or in the half-flexibility of dellli-m.tr1oGQ (if one uses 1.1no machine reinforcing 1-lusieuro couples of domi-matrixo) o the gwgto provided inside the half-= knit with grooves Th3l'VU1 "el or aHritdat which can: 1. rhyme.t forgac, have the outer farao of the tuba, all hollow or reliefa of the desired profile. we can get a tuba with small tran8yC'eal ail6tten .. as shown in fig * 9 <or else rafters where re 1
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 presented on the tig.l0 'or even the fins * obliquwa, dol- risde for example in one are for the dorai-matrix enperieur *, and on another sound system the lower half-matrix, which dijitno finalizes the surface of the tuba the aspect shown in fig.ll.



  Quuni ren has inside the tube a mandrel such as 1 s l1 olive S. of this mandrel can receive all around saulu, and it is eventually cooled by a circulation of water, or air, whose l '4rr1Vde is schduutic: tcnt roprJccntoc by 1 * pipe L'cliva 1 caliber then
 EMI10.4
 inside the final tube, removing all traces
 EMI10.5
 of registered or of i-1i: s, e Ltule4.ve L l'eut; a7, saat '%' Ót.uhr Ill: LI dl3; s3; id;

   which f.t.l'l1 ± t; nt (i6M ttritt d1..na the internal wall of the tub.

 <Desc / Clms Page number 11>

 
 EMI11.1
 The advantages of the process which is the subject of the invention are
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 wing party the following 9 a) The tairtelage of the tube between the antrioeat for example to
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 rate of ten hammering movements per second, present
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 the advantage of hand, cool the tube than a normal Imtr1çc.e; e,
 EMI11.5
 because there will heat up the tube under the effect of chooa remains
 EMI11.6
 and an effect do r <: f: J: \ ià.i 8 110: ent very reduced by contact, which facilitates ibripaoc. On the other hand, between two cuts of tsar tclae, the dialor has the task of spreading now through the tube, and the trnoibrmation of the shape of the. wall of the tube is made 4 a temperature more bomoajUt days each seoticit, or which avoids the a, lis.

   Finally, as in a passage between the matrices, the tube passes progressively by several windings and possibly several 61'aie.seuu of wall 41ft ... rents, the: rait cyan X'6jjJr * 'tion i continues to Au " and 4. Btsu-: "0 that the tubo advances, makes ïtto every 3na * .iort which has just been amended & a new drill ?, supports the aoctiun Yes follows her laying that 00110-ci aat auoumille to the ofdrAtion do cU'orItU 1; 10n, oe which prevents wall collapses so <7'tM) and
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 bent.
 EMI11.8
 b) the length of the passage of the tube between the l3.ellli .. # aÚ'10ta tet g made Itiep lcralue we want to forge tubea with longitudinal fins such as, 1 je and it is inpoo ... target uu tube to twist during the forging operation, we obtain that finally a straight PQrfa1teqnt tube is obtained at the outlet of the metrics.



  The uiJutJj of the tube at the inlet and *> the oortio of the forging machine can be ensured at any time desired; galetat ccnli3 3es, etc, ..



  It is Ó [111a: l (: nt foreseen 'read, instead of treating /

 <Desc / Clms Page number 12>

 
 EMI12.1
 that only one * 14bot lea doxi-nûtrioefl be designed from caniere to forge 81.1JU1 #ent a series of parallel tubes which enter side to side, into the device, and exit from it cam, cg which ensures faster and more economical manufacturing.



  If the o'n'sc prejose to equip a fireplace 1 with chuu.



  1.!.: I, orû acMauticpollle! Lt re, shown in fig. 12, we will use tubes such as yqui, b. from a lower collooteur. #. , oonetitumt uno: I6lrof'.cont: 1nuo, or water-tight mut ', everything. around the fireplace. , follow me, by a part in Faryentine, aitaéb 'in the upper part of the hearth, and the. tilde h aarvir lur oxa-ple do suroliauffour ij, On it xnprbaenté on the fi.l2 only one do osa tubes ji, * Dan3 the Frtie'de this tube g; i extends from 4 to H, the tube is root! link <3 | et tat Î'oUt '' 'IU, 1-ar example, duc petitoe sur- p, .ae..a or fins 1Qndt, u4inu dluw6bxulm;, ast cpt0e <at èt Lg .1ItlJ allothtl, 2, 1 4 do deux t \ I'bClU will link noud4on ulteriouromont so as to constitute a wall of water;

   such that rtyr <5wnte cc fragment on fi g. 14 4pràa 1s' portion AD, the tubo SA. in the portion B 0 is curved, then dl 1 d d4vit the bouolea of jurohuuffour ja below the hearth, 1 ..



  The tube of osa bouolea n, will have, for example a profile of aso .. tion lcr, tiou1A1ro, with unequally good faces: b6ea, possibly fIÓ ", a.1: u1o.u at the extracts of the r <: 1nJ axis, and arranged as seen in partial section in fig. 15.



  God the -variant of lu fig.12 represented on the iig * l3t the tube ^ sWlàvc tu-dtt3ous Io the part of this tube frame which worked coarn aurchnuffûur a I) i3 plus, another tube ± reopening -clement be fo1'Co4 following 'lou profila vuriablea, constitutes a c: concuiJUr, situa ur the back route: of fO²f1:

   arba lo our driver n, and dujccnddnt for a

 <Desc / Clms Page number 13>

 
 EMI13.1
 recoilium part 2. to the lower oollactur m of the boiler, - The two tubes ± vt,, besides being the 61mB their lower part by a panty with tulxiluresp before emerging in the collector ta, and the latter darm ce eto xta would be 1 read as a dquilibraur-.113qtevr of aa, u between the different tubes, which would give it d.3S di- menei OM 'very reduced
 EMI13.2
 It is thus possible to build from end to end without welding
 EMI13.3
 the tube a.

   1'el "resen.t4 fig.12 and 13 'this effects the rock tube
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 the line of circular section, as seen on the fig
 EMI13.5
 16, this treated in its portion AB with the aid of the process called Dorit, so as to take a profile of tubs such as that shown in the fig, 17, provided with small fins lengthwise Ill, yr2 diametrically oj- pociea Hard the spout portion that must be bent, can, for example, leave the tube its circular section #:; 1.1 still treat it so that it has only one fin ,, r (fJg., 18) .Finally, from the 0 D rartion which c # 1 "ea.ond to one of the branches of the ourchtuffaar located at-dean = of the hearth, the tube is treated, tOUj0in'3 with the aid of the dec''1 proOdé # '. oidisan. de! t, .ggn. h ..,'. take a lenticular profile .1., cOQJte can be seen i'ig.l9.



  We w it thus that, with * oi3 welding, the mg m-tube A can go, air all its length, from one oxtré # ity to the other of the installation thsrc.1q \ ,. by completing the various functions
 EMI13.6
 want us assigned
 EMI13.7
 oven make the tube of the fi ± .l6, we will engage by oX # l} lle Ji ,. portion AB in the D10UJa machine (! 21t rapid alternating equipped with c1..dncus matr1cu described *, and.

   tin-5o to give the tube the profile you want, juta is there? an 8 due M96St must graze 4tilîli vm îitttre J

 <Desc / Clms Page number 14>

 machine, we will process portion B C, then portion 0 D and so on
It is particularly provided, for the execution of the process, that the portions of the tube which must be bent, such
 EMI14.1
 that those which are oolJ \ l'r1Boe between BC, 1J, PO .. (fig. 12) can be treated before the other portions of the initial tube of circular section, and wedged in such a way that the section
 EMI14.2
 circular Cai tube dano oea portions should be slightly reduced. diameter, and a.tn:.vidD81e, either also over the entire pdr3mtre, or B8ulont depending on certain areas.

   This last result is obtained er6oo '' a 1u1-1 :: 81110 di8ayr..étriqu8 heating of the tube before or during {.on pa vne in the matrixes * described .. c1..do.l! Àus # * # a ' , pgtr3. Do the oort., LOl'S'L \ .18 we will pass the tube thus treated in the / 'uohln'1 to forge h rewinding alternating fast to perform lac pratlle don sutras pcrtiona, the portions such as BC of the tube, of which the diameter ae found reduced palJl1cront;

   through the catrioeo sounds no change and it is necessary to move the tuba to bring it from one machine to another
To perform the profile of the part intended to be bent, it can still be treated like the parts
 EMI14.3
 to close had water, in him laiaeunt two fins 2t dia- Bjtralaaent o..poa /.08,! luis in ar-aunt one of the fins by the t: eul3et drag, or '.déoou.'a. etc ... from rut to obte. finally end a tube with a fin or tJU1'é flow: aisMur longitudinal? We can t 4: a lem.en get this unilatdra- # "; #}. # ±, directly with must rtr2cea suit After which the tube is bent oocrre it is roofed on fig. 20 in the had of a bend 11. 160, of such t ::

  4nare that the ailttto hfl l4iM2.t 94 'U'O \ 1't l'I., La 1' <t1n elttme du hanger. During the oinrw '

 <Desc / Clms Page number 15>

 
 EMI15.1
 the internal wall located in the intrados of the tube: .. <.- -1 and which may be heated, on thickness in ±, while the presence of the outer fin "r, stiffens the region of the extra-
 EMI15.2
 of.} of the hanger and results in a decrease in wall thickness
 EMI15.3
 in a. in this region, which can also be heated <5th
 EMI15.4
 during bending to reduce internal stresses
 EMI15.5
 Loroqua one uses, in the parts intended to be bent, of a tube whose circular profile has of reduced external diameter, and which presents a turf, pfti SU \: U1 "of asymmetrical dimension coctoeing it. has env1.iag40;

  1 ... d, 8IU8, the greater thunder wall thickness this placed in) In region which will dsvien- dsvien- dsvien- the external region of between Which! the aas or. the dornière: 1 pairs of 4ai- mutrioea, between 18l5cr. \ ttllu pass the tube. have for objot to faraaer on the eurfaae of the tube of the iiiletton, grouras or trie, it is envisaged that one can heat 1Si <4oialttilent the external uurface of the tubes joined before the operation, for example in
 EMI15.6
 the interval between the penultimate and the last coupled
 EMI15.7
 by dami-ant1'1oel.

   If the malt is anchored, it can be rotated b inside the suriaoa it tube, by sprayed water <> or air coming for example from the olive L. or from a special device.
 EMI15.8
 suitable, which is intended to make the surface more rigid
 EMI15.9
 intélioa-o of the tube and to make it act eomw an aorta of olume more rdalotemt, - located under the external surface of the tube and allows fixing to make more aaillent, to conform with more l) r4oiuionon fins.



  The olivo used in ooc: binai80n with this Froc4d can present a profile leaking in the direction of the 1-rogresi-on of the tube, so that .during the pour3a3, x exerted on the tube which 'PROLT ea, 10 d6c -mchu = nt 3 is easier between 1.1 =! 4al

 <Desc / Clms Page number 16>

 
 EMI16.1
 and the #urfaoe of the olivi 0
 EMI16.2
 In addition, the olive used preferably has a
 EMI16.3
 profile 16t> èrel # l't lower than the internal profile of the tube, partly in the direction perpendicular to the movement of r4J..rhe don clpad. "1! Q tricu.

   Ri. it is expected that during Il the c.ouxcrucrti d'4crt (; llIl8m of the dollli- / III1tricea which ensure the! oX'f; #. ge. une .ma couple do demilm,; tricoîi ani # iSes of a soft - dressed alternately in a direction of about 9 * of the direction of the ClC \, 1VtJlllcnt of the prs-ibroa, comes u'4i i, liquor on the o6tda of the tube s1tu about 901 of those which come from title tOZOgQ3 , de) .Knij'e t. provoke an inflection of said tube and. per conad- CIlll1t, a dtachel4lnt of the wall of this tube which oe found -trotté hard the olive during the operation of for ^ eye pr6a6donta The periodic reciprocating movement of "china #. li.! o1 '(fJr se compoco so ulara of three tlJlllJ8 i during a l, fUI "- '\ ...-. tl v <!'? '? 0' 'deµ ernr.a fi .., ..... b4m kravaquar hJ, t4'UJion ho ailett * 4 uu.r the tube | during a uaaond 1II = p. or the proIll1t't .. awtria4u 1-rc:

  Ío "ùontea not raising there to approximation t dia tools ui studies & 90 * approximately for 4) rQVCquw the inflame ii4couaitire of the tube for the ddtaohar of the olive 1 and, finally, for a third time # the pro W tube. 1S1iII) with a new quantity, and the operation roooLlll # nct.



  The available which are still to be indicated. O'a ... lique Íep.1emünt to the caa or the central olive u a work of I $ rPre naion 4 e ±; reotucr inside the tube, since the prevention of decroohoq swelling in this case also the tube
 EMI16.4
 olive.
 EMI16.5
 



  The olive, which is juiced, carried by a rod inside the tube, can receive by an appropriate oansl, a (, injection of kxaphite, or of small forging, which facilitates the 1 (

 <Desc / Clms Page number 17>

 blacksmithing work age and stall.



   The movement of the forging half-dies, as well
 EMI17.1
 that the movement daa rtemi-aatrices of d4c = cba & nep and finally the movement of advance of the tube, are synchronized by any suitable mechanical means, and well known, such as pinions,
 EMI17.2
 . eXQtrique8 aynohronissa, for example.



  To obtain a tube presenting lateral t; lur &, aw8IhlN, or fin embryos ± .1, JI! -, it was said above that we started with a tube with a diameter greater than the final diameter of the tube that we wanted manufactured? and that, by passing between two dies animated by a rapid alternating movement, it gradually formed thick surges of metal in the regions of the tube situated in the plane of
 EMI17.3
 junction dao matriatih regions which were suitably heateda Donations a variant-, while starting from a tube with a diameter greater than the diameter of the final tube, oc begins during a first operation, preferably cold,

   to ovulate the tube so as to give it) * a section such that, at the end of the long axis of the oval the radius
 EMI17.4
 portions;, l1ndr1 .. of the tube is equal or substantially equal to the radius of the final tube. After which, the tube, heated along the two regions located at the ends of the short axis of the oral, passes between the die of the motion machine al-
 EMI17.5
 rapid ternat1t which create by hammering $! M'é; .aisl! I8ura, or fin embryos, in heated portions.



   These arrangements are shown in Figs. 21 to 23.
 EMI17.6
 f \ fa Op4rAUOn cwwiata. k evsiliej? ua 4W1 dOM 111 M9ti0B 011'Oulaift ut 4.display 14 ...

 <Desc / Clms Page number 18>

 
 EMI18.1
 remain greater than the radius of the final tube. Cotte ov ... lia!: \ tion is preferably carried out cold It can be obtained externally with the machine with rapid reciprocating motion, or
 EMI18.2
 leads daru the. muchit-el paa passage of an initial tuba, do circular section in dcj3 .atr3ose conformed to give it the. Oval shape . This ovule form is reproduced in fig. 21.



  It is such that the soft portions of tube which are located at the end of the ani axis of the oval are respectively dna per- tiona cylindrical with axis 01 and axis 02, the radius of which is
 EMI18.3
 iLaL at the radius of y. fiM. This 6 both # the tube * and heats in the x6iona es ,, 2, located at the extrliÍa.1UtI of the small axis of the oval tube, and is led between the! L) .4tr.10G8 11. and a half, aouura we see it in fig. 22, of etto figure 22 reproducing fi g 3 # Under the effect of * two unimulated ma- iodes of a rapid alternating BOweH6nt, the regions ch.1u: t ' tJes l, i2 "trlU'JJ; lforlol4ilnt progressively in w.r4pai8. aeurs # and one obtains iinxitxannt the tube provided with the embryos of aslattar g, 'teyr osante in fig. 2, tube whose axis 0 is made by .'t'U .:

  Progressive ppW'Ci14UXJnt of the 0, 4 tubes of the initial ovule tube.



   Inside the tube a can be placed for
 EMI18.4
 the pasarsgo in the machine a cylindrical mandrel 1t which fits the inside of the final tube, and oraptchoq in the regions ch.u ± tJu, 1, d2 9 the roital of 1 pnroi de eonfl r towards the interior of the tube under the effect of hammering dots dies.



     The advantage of the process which has just been deerit resides in that the settling of the metal of the swath of the tube,
 EMI18.5
 x-to provoke the -ur4Paisuriure or wing embryo3 <and 'ff6C)) S btmUcc4 1U1 thodi \ 1u'Mn'J and moreover ria fJt1li1' \) 1'8-tua 1 ", tloln.111 40il IMbtr100u) .. 1., uto! F.bofton \

 <Desc / Clms Page number 19>

 
 EMI19.1
 e- the start of the operation, forcing, air das ragions
 EMI19.2
 of the treated tube whose radius is that of the final tube.
 EMI19.3
 



  If the initial ovalization of the 'bibe Primitively circular section is undertaken in the fast reciprocating chain, we see the matrices which produce 11 (\ valiation are vjiicéoa of a movement of approximation directed at right angles do that of the motrices b., e which: - provoke
 EMI19.4
 les = thicknesses in heated regions.
 EMI19.5
 



  It was foreseen that the transformation of the tube at the end, 21 into the tube of fig. 23, instead of being carried out; t ... r of the rupid alternative tnOuV8 # ntxioos, could 6.1 "0 carried out by passage of the tube from a set of roller coafriimnt proi3r * - the tube.



  The initial tube can be owl1e danti a Mutine diatinote by the means of muleta by e1.eu:l .. Du.3 this case $ 1 (I1'IJ'lUe read tube ovr7iad goes, pdnitror in the niohint lu. Moveotnt altarnaid3 " which saw the t.ubo ovalisi trarufonrer fin tube with fin embryos, we can make it pass through a caliber, or ukb glasses which has the effect of prohibiting any rotation or torsion of the tube around its axis during the mar . you des-attricon age * This same * ±. and guiding can $ trw produced by the oval galotis tUX..n6mu. if li = fast reciprocating chine is platode immediately to the
 EMI19.6
 or
 EMI19.7
 following back rollers qld can make sure, / at least help the projection of the tube.



  As seen in fig. 23, the two fin embryos 1, 2 ne aun ras ch: ln: re1n.: S dt, na le r.:6:';6 doru, a is - diro that, day the wing embryo al, the chamfer 1 is directed towards the bottom of the f4! - 23, while, for 1, the wing embryo 2! -the ChlmfrJ: n.u, 2 is 441ri, .rU 'towards lei / 7

 <Desc / Clms Page number 20>

 
 EMI20.1
 high. In this way, the welding between them don embryos of fin., Of two heads continued diÍi..o.4a'.1, a: regrouping, for constitutes; -, by t-xanple a eur of water, ne. found facilitated, top here, loris of the manufacture of the tube, the eilettea obtained do not have, eur the whole length of the tube - a height, or relief rigorously cora t:, nt.

   Indeed, the. chani'rein of a fin on a tube being welded with the chuafrein would say in aona invorso of the fin of the neighboring tube, there can be a 1'Seer re-openrctlElnt from the ends of the 11ett .., Tji r # edio with height or relief viriationu dosait ai.lettea.



  Of course, one can also make tubes A m- bryonc d'ttilottea ewoa with chamfers directed in the direction m6C.



  Dijie this case, ai 1 '* i wants to obtain an embryo donation recovery, it will be enough to devote to it ti'w b'ohe two tuboa contâuo It goes from mi' J.1Ii1, 8O to get out of the dominate of the invention , we could make him cubize modifioationa do dotai! ..



  : # CA'rOa 1 ') t'rooddd de 4.br & ago do tubes by thing * at ", o \ 1Vo / U.'nt alternate fast, in order to prick, from tube4 t8? Dimires, from tube do any desired profile, with even- so strengthened wall, the '1'QcÓdÓ being curratz13é in co that the
 EMI20.2
 Between
 EMI20.3
 1'or8'1l.iee of the tube is et'f'QcttH / at Mina soft detu: 1..me.trl.or. ani .. moea the pure one ra. port to another from ao: .vomant ulternatit rapid, the f1J'N '8;' 1 't: VQeB duna the denl-uitricer. to forge the tube 1. r.5cen ta nt of the 8 ± le and ion .; trW1r .. varD ale a, variable in the sena gitudl.nal lot parallel to the axis of the tube truitd, and this pro rocs.vo or c \ 1oc01tinu., i-aasor day of the initial 1.ro1'il of the tube not 11'01'1.1 final.



  2 ') Proceeds Qoamo îj lîciïié souo 1 *) caraoterioé in that the J: .ch.lne il. forced concert unû jér jo -do couplca de

 <Desc / Clms Page number 21>

 
 EMI21.1
 dEtl \ 1-nnt1'ioea s arranged one after the other and. can be separated by free intervals, the strength of the grooves can vary? inside each pair of half-matricas, and varying from one pair of matrices to the next pair.

   
 EMI21.2
 3 *) Proceeds acm, .s, = seü'ï under 1 ') characterized in that the tube passes continuously, or discontinuously, inside the dies, the tube progressing between the dies
 EMI21.3
 either us the effect of a truotion or under the effect of a thrust, or even us the effect of these gentle operations, the sys-% men #oanlquea Ensuring the advance of the tube carrying the means' the .'1qu .. dana the cati of a continuous progression 4 #) Process like Npdcif3, d under 1 *) ouruetd-riaï in or that the tube this brought to. the te: q4X '& \ ture desired either at the tOtII11' of its periphery, or on some we remain jailed before and <or "during forging ..



  5 ') Produced as specified Som 4.) characterized in that the heating is carried out from the outside of the tube before the entry of the tube into the dies, or else in the
 EMI21.4
 free intervals between pairs of half-cati4.cet; 6 *) Proceed as QdOÏ: fied under 4 ') characterized in that the heating is carried out from the inside of the tube 7.) Frodâds as specified in the) or 2 *) characterized in Cil as a Bundria, can carry at aon end an olive intended to calibrate the inside of the tube at its exit from the chine, is provided inside the tube, This mandrel being able to asrvir & bring the heating means of the tube from the inside.

   
 EMI21.5
 60) Ppocédé croasse specified under 7 *) characterized in that the olive has a receding profile in the direction of the progression of the tube. #

 <Desc / Clms Page number 22>

 
 EMI22.1
 9 *) Prooédû ooiane specified us 7 *) characterized in that 1ia13 receives preferably a profile slightly lower than the internal profile of the tube, one particular in the direction perpendicular to the movement of approximation of the half-dies 1011) Process eoamo opacifies under 1 ') and 7 *) charac- terized in and that, in eao deod-matiioea of forging, there is seen another couple of half-matrix, animated by a rapid alternating atauvaamnt, drvna uno airaotion located at about 90 'from direction c6,

   movement of the promibros demi-matricong these demi-Mttrioaa coming to be placed on the sides of the tube to cause% on swelling and detachment of the olive1, and the taouvetnentn of these deni-matrioea being synchronized with the advance to the tube * 11 *) Application of the forgeaga process specified under 1 *) and 2 *) to the tran; s3'orcwtion of an ordinary tuba, of circular section, in tube. presenting on thicknesses cuamétra- la $, or enùryort- d'ailettwg this Application being caract &% Inée
 EMI22.2
 in that we first ovalize a tube of circular section of
 EMI22.3
 ilus trimmed shelf Dx. that of the finite tube, before passing it between the nuts of the machine L rapid reciprocating motion, the ovalization trtst such that the regions * of the tube located u;

  ux axtrcats of the long axis of the oval are cylindrical regions)) with a radius eon J. t1 ment equal to the radius of the final tube which is
 EMI22.4
 wants to get
 EMI22.5
 120) The application of the forging process specifies its \ M! 1 ') or 21) L an ordinary tube of circular section, characterized in that one gives a. different portions of this different tube aepe ,, u profile which are not those of the profile
 EMI22.6
 initial tube, these profiles being adapted to the functions that /

 <Desc / Clms Page number 23>

 
 EMI23.1
 will have to exercise the different ports-3 of the tube to the aid where it will be applied t 130) 15ode of realization of the specified application nose 12 *) intended for 4 the.

   manufacture of a tube in front of Stre> bent from all to end in a thermal installation for
 EMI23.2
 manufacture of steam characterized in that a portion of the tube receives a profile having short fins, or on thick-
 EMI23.3
 longitudinal courts, 9 -diametrically opposed, in order to constitute a watertight wall or wall of water, around the hearth of the boiler, the following portion of the tube receiving a profile, of lenticular force, by eX6mple, in order to form a 4c:

  hoUX 'of heat, such as a booster at the 3j & chatidibrai focus and the portions of the tube to be tripped for the final readjustment dtsnt drinks constricted to dianAttt 12'1.t'. rier to that of the initittit tube c5ventuellllll, n \ aveo ourdpsîîstur diaayaetriqua of wall, or provided with a single uiltt 5.on. gitudinal arranged from lagoon to be ifres o1ntw.p in
 EMI23.4
 the upper surface of the hanger
 EMI23.5
 14 *) A re, .lul.ltion of Implication:

  ) 40itlÓ 'souj 130) characterized in that the tube is treated first in its portions which must be u7.térjefrernt bent, and this, by reducing the outer diameter of the tube in these portions, the .1be <! As then treated in its other portions using (the Eutrioos intended for the transformation of said portions, And the portions of tube, with the diameter before, 4rieuremnt annealed, pass altrs between the mlitrioet3 without difficulty and without deformity.
 EMI23.6
 



  15 *) As new industrial products of
 EMI23.7
 tubes conr rui Iré: .. nt;., nt on different, ol "tior..1J of their length c.J: 1 - the ouoanfiurztione d1ft \, rc: ntoa..

 <Desc / Clms Page number 24>

 
 EMI24.1