[1]Patent--d Feb. 15, 1927. 196179589! @UNITED@ STATES PATENT OFFICE,., EGBERT H. GOLD, OF CHTCAGO, ILLINOIS. FLEXIBLE PIPE CONNECTION. Origiiial applicat-,on filed October 11, 1924, Serial No. 743,091. Divided aiid this application filed June 20, 1925. Serial No. 38,465. My iii-,,eiition i-elates to agasl;:et, andi-nore@ particularly to ,i,gislcet iiitelidecl to se'Ll the parts 6f a flelxible joiiit coliil-)rising a ball member exteiiding Aiitliln, but out of fi,ice i t-ioi-ial contact -NA'itll an iiit r'oi,13, el7lindrical socliet -na6nibp-r Nvi-th wliieli the baii mepiber is flexibly ai.,ticulated for exaiii.i)le bv iiieans of a o-in-ibal joint cor@stri-iction. Flexible pipe. ji@ilits of this s6rt liine beeii pi-ovided I Ni7ith aasl@:ets of i-ubbei- coiiiposition, j'eiikins material for exaiiaple, Ni-hich ,tre exteriorly cylindric,il to 'nt tl-e cylliidrical boi-e of the socket ahd ai-e tai)erecl qt theii, oliter. eficls. so as to fit agaih;t, the ball iieiyiber of the 15 joint. As the surfac6 iii contqct'ivitli the b,,ill wears, diie to the vibratory inovemeiits of the iiiembers of tho, joiiit, the gasli@et slicles along the s6clzet. to take up' tlils ii,eai,.@ The gasl@et is, iii fict, colistantly pressed - ag@iiist the ball li'lember by mean@ of a spriiig or b.)@ fliild pressui,e in the joint, or botli. The priiiiary object of iiiv present invention is to iiiiprove 7LIpon t cr@slcet of this type so as to obtain better ai-id inoi,e reliable se,,il25 ing actioi-i. The i-es-Lilt is accoi-iiplishecl by makin- the o-asIK:et iii tivo sectioiis which ha-ve. -wedgii-i@_, i@el.,,ition one upon the other. This weclo-in@- a,ction, illade effective tl-iroiio-li Ion Yitudinal thi-List of the gasket tei-ids tb :io T r .o ce oi-ie of tlipl iiieinbers iiiwardly against the, ball n-iember of thei joint aiid tl-ie otlier outiy,ardly agaii-ist the socket iuember. This ipplication.i a, clivision of iny copendiiig ipplicatioii '@43 091,1 filed Ociober ,.5 11, 1924 The inventioi-.t is illustrated, iii a pi-eferred en,lbodiment, in the aceom an ing clrawing p y i-vliereinFig. 1 is a longitliclinal s6etional view of a pilole joint provided with the gasket. of iny ;-nvention. Fig'. 2 i.s a cross sectional view on Iiiae 2-2 of Fig. 1. Fio,s. 3, 4 ancl 5 are s6etioiial perspective 45 views of the tbree. elements of the gasket, shown separatelv, and Fig@ 6 is a sin-lilar view of the o-,as'ket witli ,the parts assembled. TI-te flexib.le joint slioiyii in tl-i e clr,,tw:Lng isinteiicled p-,trticulai@ly foi, use as aii clenient of in ,tll-inetal pipe coniiectioli for Lise in coilnecting tl-ie, traiii pipes on acljacent car-s of a railwa)r steam train, ancl, is con.structed as follo@vs: 10 is a socli:et n-ieniber. having an interior cylindrical surface 11. 12 is a ball m@,mber which pro ects into the encl of the soelk@et ii-leiiiber and is articulated therewith so as to be out of frictional cont,,ict witli the so-called socket memb6r. As a 0 shown, collar 13 is saviveled n the neck 60 portioli 14 of t-he btll member against a shoulder 15. TI-iis collar is formed @with ditmetrically arra,noed arms 16 ivoted@ by. - I I p i-iieans of st@ids lT to a ring 18 wbich surroliiids the b,,ill -Tneiiiber aiid the outer end of o5 the so@-',,-et ineiiber. Tho, rin- IS i,s pivoted by studq 19 to bosses 20 On the ball member. This arr,,ingeme-lit coilistitutes -,I ginib@,@l-. J-011it iihich holds the ball iiiember centere'd- in tli(3 socli:et. ineliaber with-capacity fbr Lini-,@ersal 70 aiigular ino-@en-ieiit, witllin@ cei-t@in limit8 and al-,o ivith ea-pacity for sv,,ii,elilig moven-ient witli resl)ect to @iie socl@et member. The gisket or 1,-),acking for seilin-- the rel@itively, mov,,ible condliit i-iiembe@s 10 and 12 75 coiisists of outer aiid iiinei', a-.inulai- gasket liieiiibers -91 an@,t 22 wliieh, becatise of' their coi-iri(yuratioll, 1-i,,tv6 a Ai,--dol-in- action one on the @ other when pressul-e i s . exerted a--ainst the ii-iner encl of the iliner 1,iien-iber. 80 Meiiiber 21 is referred @t6 @as the oiiter @@asll_elu- meiliber aiicl iii,einbe@ 22 as tli6 iiiiier @,Ytske 'L iiiei-iiber bec!,tuse @:of the pb&itions, of those ji'leilibei-s )Alith i'espect to the@ oufor end of socke'@ iliciiiber 10. Tl-ie Pieihber7 21 is Lz5 preferab ly i-i-i,,td'e of a@rtibber col-no,osition, of the t,@pe, ior example, knoa),ii as Je-iikin's iiiaterial, consistilig of rubber iiii@@6d@ -,witi-i asbestos. The iniier ia-iember 22 n-iay be made of the Sallie mat6rial btit is i:)r6ferably formed 90 of t soii-iewhat softer rLibb6r composition While the i-ubber coiiiposition 6f the Jenkins 1-iiat6riil 'Lyl,)e is ilelatively liard -",hen col4 it is softeiied soiileaihat, @t the iLeiiiperat-Lire of steai-ii so that -Nyheii the ci-asket is. Lised i@a 95 a joiiit connectiiao- steani- itai@ pipes i-L is iiot essentitl @l-iat- the iiiner member @ be of softeiecil-n-Dositioll. The o-Lit@r gasIK:et nien-iber 21 is formed inte@l orly Avith a preferably sph6i@ical sur- 100 'io fit the ball er 1-9 and-' 'exf,tee 23 mei-iib teriorly ,Lt tl-ie 6ther eiid of said jilember, Nvitli. a, bevel6d slirface 24. Tlie- ini-ier gaske,t iliember 22@@ is@ forme@ interioi-ly Avith a beveled surf'ace 25,@ c6rr6-@105 sponcliiig :Lit anq-Lilarity to tl-@e beveled su:tf tee -)4 oii . ineiiiber @l:. -zk @ c oni . cal in6tal -t,ino, 26 is iht6rposed beti@een stir-f@ces 24 incl 25.. This rinu illay. b.e pi6vided althouuli this is optional, NVi@uh 'a n o @ tit wardl-Y
[2]1)617,589 projecting,flan @e 27 foriiiing aii ariiiorililg 9 , for the cylindrical outer surface 2S of gask-et mel-nber 21, iii -wbich c,,tse the overall @Ctia,meter of i-nember 9-1 is .i trifte less tliii@ the 6 over-,tll dialp-eter of member 22, the 01-iter cylindrical surfa6e 20 of Ailiieh is iiiteiicle@cl to@beal- alyainst.tlie c@,indi-ical surf.,.ce 11 of goeli:eti-ne@nberl6. Ti@en-ietalri,,ig@26ispi-@efern,bly formed -Nvith an upst,,,@ndii@o- f-l,,tnge 9)0 lo having a pILiralitv of slits.31 in its edge . go @,,I!s to-provide e,,trs 32 Avhich iiiay be bent, back- to holcl in pla,ce on t,he 'InDp-r sui@face 33 Of n-iember 22 an aniitilar Y@-@Lsher S4. The metallic rii@o, 26, 27 may 6r iiia3r iiot be 15 cemented Or moldecl to tl-ie @@-sl;:et iyieii-iber 9-1. @prefeiabiv a sdring 35-is iiiterl)osed between a shoulde 36 on tl-i l@@et iili iO r e Isoc ember and -washer 34. This ' spi-ipg, -when Lised, to, force the, gasket into t@iie, sp,,tee be20 tn@een the@ ball men-iber and @ the socket nio-mber. When the joint is under fluid pressure the @ pressure of the fliiicl aecoiiildli@hes the same result. e In @either case, *hen i:)ressiir ig exer,t6cl 25 -agailist the oask@t tendi@a to inove i-t as a -whole i@,ibe-direction of its len(yth,- ,,,. "-edo,- ing action talzes place betwe -IIen tfle I t NV, o M(,I@ bers 21 and 22 of the gasket "Thereby member 21 is, fo@eed against @lie bgll 1-2 wliile i-nem30 ber 2 is forced ao,,-,inst tb(, cvlindrical .-;-LirI tion of tl-ic b,-Il, i, coiiical ring,bearin(y oii @f, said gasket inoiitber, tlid ai-.tother separate @),asket n-ieii:iber of @soft iiiateri,,tl pressed betAATe(,ii the i-iii(, aiid the )v,.ill of the socli:(-t. -9. i@- flex.ible pil)e coniiectioii, coi-iiprisiii(- 70 aii iiiterioi-li, c3r!iiidric-,tl sock(,t, @t bill proje(@'ir@0- -%vitl-iiii b,,It not @in, contliet iylth the side -v,,all tliereof coniiectinf@- ii-ie,,ins@betivee . i-i I t-I tl-,e b,-,Il aiid soelket loreienting diseng-,igeinent biit alloA-%-iii.g iii-iiversal relat,ii,-e ancyu- 75 Irtr thei-@eof, la gasli:et 1]L'Iel I nber slidable in the cylin-,Irl-cal recess ancl h,,Iving ',I clirved face begrino- ,to-ainst the iiiiiei@ portion of the ball, a'coii'ic,-Ll' ring be-,tring on the gasi@@et, another separate o-,,Lsli:et i-iieiiii.)er 80 of SoTt material@ Pr ssed becw, een the rill ly e ,tncl the \7,,all of the socl@:et, and a coiiil,)ressio-ti spi.-in- n-iounted bet-Nveen the -ocl,:et ai-id the Irst n,,lmed gasl-,et member. 3. A fle,6ble pipe corine ct-ion, coiTipri-siDo- 85 t socli@et liai7ing a sti bstantiallv cylindrical ),-ecess, a b-,tll 1.)Uojectinc,, NA,ithi@@ s@id recess bi-it n6t in contact Nvith tl@e side thc,,re o -f, con-nectino- Ype,,tns betwee-Ti the blill aiid so@lg@et prevei,-tiil.. ciiseiigageineilit b-Lit ,tlloAv- 90 ino, uniiTei@.9til relative inoveiiieiits thereo,f, n, iv-,tsl@et mei-'o r of rel tii,ely 1-iard i at ri,,Il e Iq I'l e @lid-ctble in@ @Ulie cylincirical r'ece@s @i-nd h,-tving a eLTrved f,,tee to be,,ir ao-aiiist thc@ ball, a coni(:@,11 nietqllic rino, behi@cl the ga@ket, tnd 95 s face -11 of the sodket ineiiiber @10. lp- other a separate ga.,I,.e,, n@@iiiberof ofter words, the inner member 22 is - weclged into thqn sqid fi rst iiimed rlember adapted to I)e the space betwe( -c-,tl stirfa(,e It pressed betwe6n the r;-nu and the wall 6T tli(,, n the cylindri a-nd ihe conical rino, 26' ivith the double ef- ilecess. 35 @fect of :increisin,.@,,@the. effectiveness of the 4. A flexible -Dipe connecti.oi-i e6mp i,sing loo. seal as bet-ween the @ket ,tiid s-Lirf,t@e 11, a Socl@:et -,t slibst,,ixitially cvl'iidi;co-l g4 ., I - ancl at the sanie time compr6ssing tl-ie i-nem- receF@,,sl 11 b@qll pr6jectii)f@ A-,itl-iiii @;a,id i.-e,'@ess ber 21 ao,-ainst th ball 12. Tbi@,, @i3er@ition is biit.not in collit,,ict'wit@li ilie -wall tliereof, conesl3,ecifi.li@ effect - ie, C@"ILDS ive@ because of t]-ie softenecl i -tin o- n-i I)ef-,iTecn the, btil qjid socket 40@ condition of the matori-al of which n-ieiiibe-,-s clise,-,i@,igei-nent biit allowil'lg uni105 21 and 22 are formecl cl-Lie t6 the beat of the ,ers,,Il rel,,ttiae ii-ioveraents the 2o-@, a -asITet steam p@ssing thrcu,,Yh tl-ie joint. iii.ei-nber sli@dqble iii the ci7liiidrical reces-- @tnd e outer -@in a a ciirved f6r-NlTa@rd f ace to be,,ir agai o-st As the surface @8 of @ tl-l ,t h@t member 21 @w6ars the -vvegr bein the b,,ill, ai-icl a co2lic@-tl regr fac( g coqsicler @@45 able beca,@ise of the coTisoqLie@.it flexincy move- a u,,ti,)ererl betw(,.ep the rear i-)o-,@t;-on of 110 ments as @between c6ndLiilu. niembers 10 qnd the @@,sl,-et ,ii)cl tlie,ivalls of the -,ocli:et., a,tliin 12 the, wear is tali:en up autom,,itic,,ill-NT by met,-.Ili,. coni,c,,,tl rin@- be,iind tle sl@et, aild m6vement of tl-iia r-rasl@:et a gaslzet ineml)er -)f so-iter i--,iateri'll thon th(, - k e t m b the action of fliiid presslire aii-d sprin- 35. otli ei- s@as rne e-v ted to be pre,,,,sed p @50 1 d6 not intend to qny claim berein i-Tito tapered re,ess between the Fill- ,iiid 115 to the iiivention described iii tern-is bi-oad the soclet. enoligh to cover. tlie. alternate species clis- 5. A flexible pioe-coniiecti.on coinprising, r Seri, d, . socl;@et lia i ci closed in the pa ent case, il No. 743,091, 1, ng stibstgntiall @7 ab6ve referred to as el-,tiins @,,eTieric to botl-i recess, -t b.,ill rtiotiiit,,ecl in the r'ecess 1.)iit nof, 55 species are made in @the oarent cise. in coiitalet -with the svall thereof, coniiecting 120: I
