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Dec. 31, 1946.
2,413,379
.1A M. RYUDEL
CAR ROOF JOINT ì
Filed Jan. 15, 1945
2 Sheets-.Sheet l ‘
lirici. 1.
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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.
/
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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.
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