Dec. 31, 1946. 2,413,379 .1A M. RYUDEL CAR ROOF JOINT ì Filed Jan. 15, 1945 2 Sheets-.Sheet l ‘ lirici. 1. /N VEN Tof? Jaw/v MEHR/LL Hup/SL . HTToR/VE Y Dec. 31, 1946. 24,413,379 J. M. RUDEL CAR ROOF JOINT 2 Shee-ts-Sheçt :2 Filed Jan. 15, 1945 ` F'ía. 5.. | 8° se. / \\ \ \\ l m F'iG.8. F'ÍG. 94 ÀTTORNEY 2,413,379 Patented Dec. 31, 1946 U1v1-"111511):A STATES. PATENT oF-Plëes John M. Rudel, Montreal, .-Qnepee,»_oanaea„ as» signor `to- Standard RailwayEquìpme?t. Manu iî'acturingl C0. Quebec, Canada, a corporatiönbf the Dominion Application January'13, 1945; ' SerialY NIL-572,681» In'Canada October 1461-944'Y 27` Claims. (ClÍ 10S-“524V Z, sheet' ‘affo'r‘dsr .the ‘ advantage ‘off 'getting a better;> Introductz'on: jointÍwhichfi’s more cohesive andv does not allow Intheconstruction of a‘railway‘car roof, the principal-'objectives are' toA provide a structure whichf isi light, flexible to aV suitable degree »and in the right directions, has -adequa-te loadA bear ing capacity and is suñicíently strong to with standï extreme stressesexerted by the Vcar‘move ments. In the' accomplishment of theseïobj’ec tives, manyV di?ferent'types of structure have been developed. To' give the roofshe‘etsadequate load bearing capacity, theselstructures. have employed stiften in'g- ribs, Abulgesgor other pr'otuberances of'various shapes; To' further vthis;capacity, special' joints between the sheetsïhave‘ been used‘, which are de signedfto- take'up the stresses towhich the sheets themselves are subjected; .l Objects rust; to form on .the sheets; Ul Since joints-of- this ‘kind’ ‘are'pai‘tìcularly‘ ap plicableffor use with the type of roof described intheïapplìca'ntïs'U..S;.Patent No. 2,241,7381ftheii" application 't'o' a` roof> of this', type lWill nowY be' de# the 'accompanyingdrawings, in which; Y 10 , l Figure `>1à is "a ‘plan View ‘of" "a‘ railway icar“ ‘ro‘of constructedacc'ording to‘ this preferredcohs'trïlclv tißn'one fOl'In Of'jOîIlt‘âcCoI'ding to this inve?ïìíol’!> forming a Ípartï thereof," ' " ` Figure 2 is"a'n-. enlarged' cross' section'alon‘g- the lineal-2.01’ Figure 1; _ , Figure' .3 ""i's’. an" enlargedï- fragmentary vertiîc’al 'Y cross“ sectionî of? one form' oi' jointy orearline aci‘Y cording.` to“ the invention.Y Figuresìfll'to 9Í'a1'e enlargedïfragmentary ver; Having regard'toftherforegoing;_objects of the 20 tical: cross' sections of other. forms" of. carlin'es ` ac? cordingto the invention.’ present invention are to yprovide an improved carl roof structure-,an improvedî jointiwhich‘* may bel Detailedv descrizfrtion:Vlr used withexisting car‘roof- structures> and a roof Referring more’ particularly to the“ drawings," in whichthewelements are 'relatively simple and>> 25 the"- car'r'oof 'A fis îo'fj vthe radially' "arched"type,j' easy to fabricate and to assemble'. constructed“ of'aïse'ries of'` metal" roof" sheet"s"l_ 0‘ Structure Withftheseand other objectsin'viewgthe ap plieant’s improved roof embodies> a- special joint preferably '0fv the"Sp'BÖía1’ÍOrII'1' desc?íkíedA inthe'v patent'referredgto‘ above and usually made ofï'gall' vaní'zedüron’sheetzr . in which the «margins ofthe. respective roof sheets 30 The" roof"v sheets are; mtericonnected'at their' adj acell't èd’gë's by- tHenéW j'oil'i't'SA I fto'ìliße'> d'es'(1'1"‘J'Ãloeìï1ïA aresecurely held=together bya carline of special». in 'detail Vand' extending from’ oneî side. oftheÁ car’ construction..» Broadly, according vtoîthis- con to the other. The sheetsare atta’ched'to' theY car‘ struction, the adjacent margins> of~thefrespective by“ícoriverïtiönarme'ansias 'for instante', integral ¿ roof . sheets-which are` generally madeof gal vanized sheet, areI juxtaposed.` Reinforcing to Ul eaves" ñanges |21 ‘secured to“ the' side plates ’ I3A of ” members of non-galvanized'metal` shroud the-juxtaposed.‘marginalf portions of'- the adjacent sheets..and-a, seam@ weld ~ connects theA shroud. the'car. ` ì "I‘he?"sheets` are specially.ïforìiiédlwitlï. a .» bulge: 20' "0f ’(:OIllS'tâtI'liiVr Wiìît'?-"tak'í?g-Íin the'. major- pÖÍ‘Í tion. of „ the. width of ` the 'sheetQ'f andïwhose" cross members and marginalz‘portions >of thel sheets remotely from the marginalr edges'of» the sheets'.l 40 sèêtìòñf'ís a » ShallÓW'ai’e increasing'. height >fand» in"c_iirvature freni“adjacentl the eaves’. ñangesf'to Accordingetovoneembodiment .of the invention, a adjacent .the 'centre l line 'of'th’e‘roof` siilcl‘staritially.l shroud member is p1î0vidediorthe margin of.' eachsheet, the respective shrouding.f members as indicated in' the 'ñgures"_. Adjacent'to'the Asides’ marginal. v`porti‘onsat top. and.A bottom thereof and sh'eetf." of .'tlïe ïsheet‘fthis bul-'ge4 mërgesintb aside portion-jv being, butted.. together and welded.. The` mem bers shroudlthesheets. at vtop and» bottom.I Ac 45 eurvedz in i "crass" seèuòn" oppositely‘ 'tof the-buige 20' arid' terminating'in a; m'òre’or less .fiat‘ir‘largmar cording .to` .another >construction,- a common. portionZ-I adapted to be joined‘lïtoltheïnektïoöï shrouding,‘member` is provided furthe' abuttingt , , y ¿ 'l y ì P?eferablyfthe l arcs of "curvature ofÍtlieÄ bulge these shrouding members are welded to the sheets. The structure described, permits a weld 50 and, ' that. of "the sideï portions. are» substantially," being ` made' without' disintegrating the marginalv equal and tangential to»y one._-anot-her.V f Unlike> portions of the sheets, as for instance, by Vremov ing. the galvanizing.` i It- also. keeps f the. galvaniz in'gj from’ clogging.. .up theî rollersíon the seam Welder;V`v Having parent' metalen each side ofthe mostA »priori art~ structures,A they sheetsî are no where. bent. towanìfangle' or Va- curve.`> sufficiently acute toëdistortlthè metal toa-«degree atfwhich; it Vmight’ fatigue'and eventually rupture. Sur 2,413,379 3 4 prisingly, however, despite the teachings of the prior art that most extreme protuberances of a dome 95 adapted to receive upturned ends 2| of the roof sheets, which are juxtaposed as in dicated. A weld 91 joins the ends 2| of the sheets and the member 85 together. Seam welds 92 also the sheet are necessary for making the roof self supporting, the present simple structure fulñlls join the upper and lower reinforcing members to its purpose admirably by giving the roof remark able strength andat the same time the-necessary ilexibility required to achieve durability. `r'In ade Y each other and „ to the marginal portions of the roof sheets. As shown in Figure 2 a running board |6 may dition, the less pronounced bulge of the roof sheet y a be secured to the joint by-angle irons saddle |1 which are butted into the weld |5. is easier to fabricate than some of the more ex'-4 treme forms of protuberances. According to the present invention, the adja cent marginal portions 2| of therespective sheets are connected together by a special joint run ning the width of the roof as will be described in its various modifications. Referring to Figure 3, this joint includes a clip B made of ungalvanized .metaland having portions 30 and 3| overlying and underlying theedge of the sheet respectively, and a sloping por tion 32 disposed towards the adjacent clip. The joint is completed by a fillet >weld 35 which is laid in' the V formed between the two clips. . Arseam weld'fâ‘âV extends through the portions 30 and 3| and the marginal portion 2| of each sheet. Thus each clip> runs the entire width of the sheet and is' securely 'fastened to theV marginal portions Advantages Various advantages of the invention will be come evidenty from a study of the above descrip tion. >Principal among these are the provision of strong, attractive joints which can be formed by welding without disintegration of the galvan « izing ofthe roof sheets at unprotected points. It `will be understood that, without departing from the' spirit of the invention or the scope of the claims, various modifications may be made in the specific expedients described. The latter are illustrative only and not offered in a restricting sense, it being desired that only'such limitations . shall be placed thereon as may be required by the state of the prior art. thereof. ' ‘Theclips are securely fastened toone another,'completingthe joint; I claim: v ' f Y ` l. In a railway car roof of the type in which ' ' marginal. portions of _adjacent metal sheets, are joined together, a joint including a clip having Figure 4 illustrates another'form'of joint in which a clip C‘isemployed. This clip is different in "construction to‘theclip Bin that the upper a part overlying and a part underlying the mar ginal portion ofk each sheet Aand a Portion abut ting that of theclip of the adjacent sheet, rthe abutting portions of abutting clips each having which is juxtaposed to a 'similar'fac'e on the ad-v jacent clip and a diagonalfface'48;- A V-shaped 35 a diagonally sloping edge forming therebetween a channel, a fillet weld in the _channel securing channel is formed betweentheface'slßof the the clips together, anda common seam weld respective clips.` `A fillet weld 45'is`laid in the joining together the overlying and'v underlying. channel.V Similarly to 'the joint illustrated in parts of each clip and its` respective marginal Figure 3 a seam weld4'6 secures the upper and portion'tû'has the conformation indicated so that the‘edge of the clip has a vertical face 41 lower portions of Vthe clip and themarginal‘por tion 2| ’of the sheet togethenj , f portion. 40 j ' ` 2. In a railway car roof ’of the type in »which Figure 5 illustrates another'fornr of joint in which a substantially L-shaped clip is employed having upper and lower portions 5U Vand 4|, adapted >respectively to 'overlie andunderlie the 45 marginal portion'2l of‘its sheet." The_.ßclip is- marginal portions of adjacent metalvsheets" are joined together, a'joint, as described-in claiml, whereinthe abutting faces'of each‘clipïare ver tical and the'diagonal face of the ‘clip is formed ' by a domed portion of the overlying part.` ï provided withjan upstandingV portion 51'ada1'itedV to 'abut „the“ similar’ portion 'of the adjacentfclip 3. In a railway carroofkof the type in which marginal portions of adjacent metal sheets are joined together, a joint, as'claimed in claim ll, and ‘having a diagonal edge' 52 adapted toform with a similar edge on the adjacent clip 'a chan'- 50 wherein the abutting -portions of >each clip are formed byrelatively elongated vertical sections neltoreceive a ñllet weld 55. 'A seam weld 56 joins the upper portion 5|) and 5| to'the‘marginal extending upwards from the overlying'partfandV portion'Z'l of the sheet. ' ' ’ " ’ the diagonally lsloping edge is'formed on the top 1 ÁFigure 6 illustrates still another form of >`joint of the vertical section. ` “ in‘which the marginal portions ‘are held together 55 4. In a railway car roof of the'type in which4 marginal portions of adjacent metal sheets are'by reinforcing members' 60 and 6| which overlie and underlie them respectively. Seam wel'çls 62V joined together, a joint, comprising, a common and ,E3Í join the marginal portions 2| to the 're member overlying the vmarginal portions` ovfrad-V inforcing members ßß'and'ßl. ‘ ‘ " ' ‘ f Figure'lillustrates another form of joint which theïedges-2|10fthe?roof sheets are ¿bent over and hooked together 'as'indicated _ The' up 60 jacent sheets, a common member underlying >the marginal portions of adjacentsheet's', and a' com mon'> seam weld Ajoining together the marginal portions of each sheet to the overlying and un per .reinforcing member 1,0 is 'domedias’ at'15‘ derlying 5. In a~members railway respectively. car roof, a joint A ’>as _claimed ‘ in so as to‘house the joined ends of the slieets2ll' The upper and lowerreinforcing members 10 and 65 claim 4, fwherein the 1upper member is' domed, 1|. are' also seam welded to marginal portionsgof the edges of the sheets are interlocked, andthe marginal portions are, seam welded to theLover-L 1‘Figure'8 illustrates a form of joint similar to lying and underlying members respectively. J that illustrated _in Figure 6 including an upper 6.l In agrailway car roof, a joint as claimedin reinfprcin'gA member 8€), and a lower reinforcing 70 claim 4, wherein the overlying member is pro mernber 8|. V,In this case, theV upper member 80 vided with a centrallylocated upwardly’extend-` is provided with an upstanding Yfiange 81. ‘ ingñange. 4 Í', .Y ‘ _Figure 9 illustrates a form of joint comparable ’1. In a railway c_ar roof, `a joint’a’s claimed in thesheets as'at 12. ' ’ ' ' ' " " " tol that' shown y A Y _ in Figure 6 but differingY in that claim 4, wherein the upper memberisdoxned, the- the upperreinforcing member is-Drovided with 75 edges of'thesheetsare interlockedand themen', 2,413,379 S ' underlying.members-respectivelyr 5 ginal portionsof. adjacent metal sheetsarejoined ginal portions. are connected` to overlying', and together, a. joint-„including n. Clìphâivíïlg a. Dart ’ overlying> ‘and a part underlying the marginal portion of each sheet and aportîorlabllilìïnglillnt of the clip ci the adjacent. sheet, the` abutting portions of abutting clips` each. hai/.ing a». diag: 8. In a railway car'roof, a joint as claimed. in claim 4, wherein- the overlying member is- pro, vided with a centrally’ located> upwardly extend El ing channel, the marginal portions of adjacent onally sloping edge forming therebetween a chan. sheets being upturned juxtaposedV and housed within said channel, a seam weld: joining to nel; a ñllet weld inthechannel ,securingv theclips getherthe upturn'ed-portions of- the-edges andthe together, andA a .common seam weld joining to. overlyingmember, Va seam weld joining the flat gether the overlying and underlying parts _ci each portions of the overlying member and» theunder lying» member respectively with the»V margins of clipand its respective marginal 90,111,911.,- the sheet. i7, In a structure, of the type ' which inar ginal portions of adjacent metal sheets4 argjoined together, a joint, as described in claim 1_6, where ' 9. In a railway car roof» of the.. type> in which in theA abutting faces of each clip are vertical and the diagonal face of the clip is formed by a domed marginal portions of adjacent metal sheetsv are joined together, a joint including a clip `having a part overlying and a part underlying` the mar ginal portion of each sheet and a portion abutting that of the» clipv of the adjacent sheet, the portion of the overlying part. ginal 18. portions In a structure oi adjacent of the .metai'sheetsalîe type in whichi9' d abutting portions. of ’abutting clips each having 2f) -together, a joint, as claimed in claim ,16, w erein the abutting portions or each cliparev :formed 'by a diagonally sloping edge forming therebetween relatively elongated vertical sections extending a channel, ay fillet weld inthe channel securing the clips together, and means joining together upwards from the overlying part, land »the diag onally sloping edge is formed .on the 'toll QÍ the the overlying and underlying parts of each'clip and its respective marginal portion. vertical section. wherein the abutting‘facesl of each clip are ver tical and the diagonal face of the clip is formed ° by adorned portion of the overlying part. 11. In a railway car roof of the type in which marginal portions of adjacent metal sheets are joined together, a joint, as claimed in> claim 9, wherein the abutting portions of each vclip are »1' formed by relatively elongated vertical sections extending upwards from the overlying part, and . - Y v 19, In a' structure of the type ign Whîßhmnl'f ginal portions of adjacent metal sheets ,are joined together, a joint including a clip having a part overlying and a part underlying the mar l0. In a railway carroof of the type in which marginal portions of adjacent metal sheets are joined together, a joint, as described in claim 9, ginal ¿portion of each sheet and .a portion abut» ting that rof the. clip of the adjacent sheet, the abutting portions of abutting clips each having a diagonally sloping edge forming therebetween a channel, a ñllet Weld in the channel securing the clips together, and means joining together the overlying and underlying parts of each clip and its respective marginal portion. ' 20. In a structure of the type in which mar the diagonally sloping edge is formed on the top ginal portions of adjacent metal sheets are joined of the vertical section. 12. In a structure of the type in which mar 40 together, a joint, as described in claim 19, where in the abutting faces of each clip are vertical and ginal portions of adjacentrmetal sheets are con the diagonal face of the clip is formed by a domed nected by a joint, the joint including shrouding portion of the overlying part. means overlying said marginal portions and 21. In a structure of the type in which mar shrouding means underlying said marginal por tions, said shrouding means masking the edges of the sheets, and a seam weld between each sheet and the overlying and underlying shrouding ' ginal portions of adjacent metal sheets are joined together, a joint, as claimed in claim 19, wherein the abutting portions of each clip are formed by relatively elongated vertical sections. extending means remote from said edges and remote from upwards from the overlying part, and the diag- , the outer sides of said shrouding means. 13. A structure as deñned in claim 12 wherein 50 onally sloping edge is formed on the top of the vertical section. the metal sheets are galvanized and whereby the 22. In a structure in which the marginal por Y welded portions of the galvanized sheets are pro tions of adjacent galvanized metallic sheets are tected by said shrouding means. secured together, a joint comprising a common 14. In a structure in which the margins of me . member overlying said marginal portions, a com tallic sheets are joined together; a joint includ mon member underlying said marginal portions, ing an upper part overlying the margins of ad and a common seam weld joining together the jacent sheets and a lower part underlying the overlying and underlyingportions and each mem margins of adjacent sheets, and seam welds re ber and its respective sheet marginal portion, mote from the outer sides ofY said parts joining together the margin of each sheet, respectively, to 60 wherebyY the welded portions of the galvanized sheets are protected by said members. said overlying and underlying parts, whereby the 23. In a structure in which the marginal por tions of adjacent metallic sheets are joined to gether, a joint including a clip having a part l5. In a structure in which the margins of gal vanized metallic sheets are joined together; a 65 overlying and a part underlying the marginal portion of each sheet and a portion abutting that jo-int including an upper part overlying the mar of a clip of the adjacent sheet, said abutting por gins of adjacent sheets and a lower part under tions formed to provide a common groove for the lying the margins of adjacent sheets, and seam reception of welded material to join said clips to welds remote from the outer sides of said parts gether, and a common weld joining together the joining together the margin of each sheet, respec edges of the metallic sheets and the welded por tion of each sheet is protected. tively, to said overlying and underlying parts, whereby the edges of the metallic sheets and the galvanization around the welded portion of each sheet is protected. 16. In a structure of the type in which mar overlying and underlying parts of each clip and its respective marginal portion. 24. In a structure in which the marginal po-r tions of adjacent galvanized metallic sheets are 75 joined together, a joint including a clip having `2,413,379 8 a part overlying and a part underlying the mar ginal portion of each sheet and a portion abutting that of a clip of the adjacent‘sheet, said abutting portions formed to provide a. common groove for the reception of welded material to join'said clips together, and a common weld joining together the an abutting portion engaging the abutting por--a tion of the adjacent clip, said clips formed to pro vide a, common groove, and a ñllet weld in said groove securing the clips together. 27. A roof for a railway car comprising a plu rality of metallic sheets adapted to extend be overlying and underlying parts of each clip and tween the side walls of a car when applied there its respective marginal portion, whereby the Weld ed portions of the galvanized sheets are protected to, some of said sheets formed with a bulge tak~ 25. A structure as dei-ined in claim 1 wherein a running board saddle is secured to said clips by said ñllet weld. ing the major portion ofthe width of the sheets 10 whose cross section is a shallow arc increasing by said clips. . » 26. A roof for a railwayvcar comprising a plu rality of metallic sheets adapted to extend be in height and curvature from adjacent the ends of the sheet to the center of the sheet, the oppo site sides of said bulge merging into the opposite side marginal portions of the sheet upon arcs op 15 positely disposed to the arcs of the bulge, the mar ginal portions of adjacent sheets being in substan tween the side walls of a car when applied there to, some of said sheets formed with a bulge tak tially the same plane, and means to secure the ing the major portion of the Width of the sheets marginal portions of adjacent sheets together, said means comprising a clip having a part over in height and curvature from adjacent the ends 20 lying and a part underlying the marginal por tion of each sheet and a common weld joining of the sheet to the center of the sheet, the oppo together the overlying and underlying parts of site sides of said bulge merging into the oppo 4whose cross section is a shallow arc increasing each clip to its respective sheet marginal por site side marginal portions of the sheet upon arcs tion, each of said clips provided with an abutting oppositely disposed to the arcs of the bulge, and means to secure the marginal portions of adja 25 portion engaging the abutting portion of the ad jacent clip substantially in the plane of the ad cent sheets together, said means comprising a clip jacent sheet marginal portions, said clips formed having a part overlying and a part underlying to provide a common groove, and a fillet weld in the marginal portion Yo1“ each sheet and a ycom said groove securing the clips together, mon Weld joining together the overlying and un derlying parts of each clip to its respective sheet 30 ¿marginal portion, each of said clips provided with J. M. RUDEL.