US952904A - Continuous-rail joint. - Google Patents

Description

H. E. HOFP. CONTINUOUS RAIL JOINT. APPLICATION FILED JUNE 30, 1909.

Patented Mar.22, 1910.

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sirn'rns PATENT our-non. l I m M FJ- i ko'nnnnz. GERM NY; I

continuousart -.Jorm- 952,994. Swansea; lett rslatnt. Patented Man-22,1910.

' Application filed June to, 1999. Serial No. 505,273. V

To all whom it may concern:

- Be it known that I, HEINBICH- ERNST Horn, asubject of the tEniperorofG ermanyfl and meeting abou at the center .of ear residing at Kobleng, Province of the Rhine, plate; The plate can be ffany. suitable 6 Germany, have invented certain new and shape, form and di rlnensions, but 'should be useful 'Irnprovernents in Continuous-Rail the necessary thicknesa stren gth and'rnate ,Iomtsyand I do hereby declare the followrial (iron for i; stance) to for'rri the'ioint o ing to be a full, clear, and exact description the desired rigidity and durability to. $1215 tain the strains n'd stresses .9 the work to be carried there y.- In the specific. example illustrated, I-show plate greatiet'in width than the ail bases so as to progect laterally beyond .h. rail basesyan at its l arsed b nea h nd n its na -i' rail ends with the rail baseiresting thereon of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

This inyention relates ments in continuous rail'joints, and the ob- -jectsand nature of my invention'willbe to certain irnprover I a Me s a r a me Wit a aireadily understood by those skilled in the tudlnal vertical flanges h, although 1 not rt in'the light of the iollowing explanation wish to so lirnit the broad features o t of the accompanyi g drawings illustrating vention. y z ,what'I now consider niy preferred e nbo dic, a e nietal reinforcing bodies of ironor ment from among other methods and 'struc other suitable metal a'rfan%led between tures within the spirit and scope of my inwebs-of the rail ends and t, e flanges h g i after the railshave been laid. ruelted .or fused together, or are welded I structure more full and part cularly broad W5 .Wiillfiut b i g nite 't he 11$:

1 as the steel rails of an electric railway.

ventionthe ha r base pla e and testing long tu- It is an object of my. invention to-so ,unite dinally and about horizontally ,ont he the base portions of the meeting ends of taces of the rail bases, and the rails as to produce an improved continuous jo n s niec in" edges f Q i w l asgsrail joint w ierein the rail heads will not be Two reinforcing QQllQS are usually arranged directly united but will retain their originteach joint and o nopposite'si esp; the nal formation, temper and density or other webs. v l I desirable characteristics while the iootor In the QQlllPlGtGtl .jjoi nt un ting the rall. s p rtions. of the meeting rail ends will ends, th fe t or basesoi'the We re' 99' 5 be (permanently .or' integrally united by the rail chair receiving the same, an the, wel ing or fusin by a simple and eoononibodies laid on said ;rail feet ical niethodw'hic can hepasily performed the' junct on between the same, are 0 its 99.

The. invention consists in theinethod and gether, usin th t r 1d d pointed out and descri ed hereinafl er. of welding pressure. The railieet, Ckltill Referring to the accompanying drawand reinforcing bodies are. fus d tpge, h'er ings:-Figur e 1 is a side elevation of the intoa practically homogeneous ntegral meeting ends of a pair of railsshowing the mass, but the; meeting ail end surfa cesare base or fish plate applied theretobefore the otherwise separate an disconnected above fusingheat is applied... Fig. 2, is a top plan said nass. p view, showing the joint after the top rein- In practicing 111%; nventlon, I usually; forcing bodies have been applied and fused. scratch or clean the ases or feet of the meet- Fig. 3, is a longitudinal section on the line iug rail ends by any suitable means to rte- 'lnove rust and dirt, and locate the chair or 3-3, Fig. 2. Fig. 4:, is a cross section on the line 4-4, Fig. 3, and showing the combase I), underthe rail ends about as shown pleted joint. in Fig. l, with the rail ends spaced apart, In the drawings, I show the meeting ends of a pair ofrailway rails, such for instance,

say aboutone' sixteenth of an inch.

By the formation of an electricare 5 through the medium of suitableagenciesan in a manner well understoodby those skilled in the art, and restricted to the-rail bases. and the plate'or chair b, beneath said bases, I then fuse or wel'd together the rail bases Each rail is of any ordinary or desirable construction or formationand is illustrated of conventional form. with the base or foot 0,. the usual verticalweb a, and the top head a. and said chair, while maintaining the rail V b, is a inetal base, foot or lish plate ar-- heads cool by artificial means or .by the restricti'on of the welding or fusing te'mperaward bulging of the ends of their heads and i 'ture to the areas to be welded, that is to the the bulge portions can then beground down rail bases and the base plate. While at by suitable grinders, I present advised by experience I prefer to .The essential feature of the invention is to 5 employ an electric are for producing the revent such changeinthe structure density, temperature desired, yet other means might ormation or temper of-the-usual steel rail be employed for producing the fusing, meltheads, asto reduce the efficiency or durabiling or welding temperature to which only ity thereof .or result in undue flatteningor the feet of the rails are exposed in connecwear thereof or; of the car wheels passing '7 10 tion with the base plate while the rail heads thercover, such as results where the nature or 4 are protected by the atmosphere or otherwise temper of the rail heads is changed by the f 4 against such temperature as vwill deletcheat of'casting or fusing joints as heretofore rlously chan e the density, t'em r or nature racticed and furthermore by myinvention thereof. While the electric" fiizing arc. is avoid the expense and disadvantages in- 15 established and usuall after the rail feet, cident to the insertion of bridgepieces in the ends and a base plate ave been thus fused, rail heads. I 1

metal rods (of soft iron, if so desired) are WVhile I have explained sp fic steps that laid on the rail feet and across the junctions can be followed in melting or welding .tobetween thesame and are melted or fused gether the meeting ends ofthe rail feet and I 20rto permanently weld the same to the rail, bracing the joint -by melting or welding I feet or to the mass of metal on which-said bodies of metal. around and to said feet, yet rods are laid; such fusin temp'eraturebeing I do not wish to limit myself tosuch specific a I l r I so applied to said meta bodies as to prosteps nor tothe particular base plate or. chair te'ct or remove the rail heads from fusing and reinforcing bodies described, but con- 25 'or injurious temperature. These rods of sider-myself entitled toall such variations v metal bodies are usuall dropped one at a and modifications'as fall within the spirit time. onto the bases 0 the two rail'ends and scope of my invention. and between the chair flanges 7t, and the 'What I claim is': I rail webs a, and are melted down, and a' A rail joint wherein the meeting feet ends so sufiicient number of such rods or bodies are only of the rails are united by fusing and the v melted or fused on the rail bases to form meeting rail. head are of their origmal temthe reinforceing plates overlying the rail per and characteristics and held abuttingl) ends between said flanges and webs. the united feet, said joint consisting of the The rail ends should be spaced about one meeting endsoftwo rails havin their feet 35 sixteenth of an inch (more or less) apart beends united by and integral wit 1 bridging fore the application of the fusing heat. ur-v ,masses of metal fused and melted .into and ing the fusing process the rail feet will exwith said feet-by a' fusing temperature re- I vpa-nd, but the fused mass in coolingwill draw stricted to the feet ortions ofsaid meeting ,the end faces of the rail heads tightly to- 'rail ends while sai ends are spaced .apart, 40 gether and thus maintain the unbroken conwhereby the railheads are maintained reltinuity of the top surfaces of the rail heads. ativcly cool and of their original temper, and

, This contraction of the fused mass in cooling whereby said, bridging masses of metal in i "is so strong that if the rail gheads are placed cooling drawsaid rail head ends together to v together in contact before hp plication of the form a continuous-joint.

'- 45' fusing head, the contraction of the fused In testimony whereofliafiix my signature,

- mass or cooling will cause the rail heads to in presence oftwo witnesses. V

bulge u at their meeting ends. This fact is EINRICH ER N ST HOFF.

,Witnesses: p

JOHN Weeiiikrna, I Louis Yaivbonn,

taken a vantage of in uniting old rails hav-' ing their heads worn or flattened at the ends, '50 as such rails can be so united as to cause up-

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