USRE6738E - Hekey chishxlm - Google Patents

Description

H. cHIsHoLM.

ROLLS FOR UTILI'ZING THE FAG-ENDS 0F RAILROAD-RAILS.

N0. 6,738. Reissued'Noml, 1875.

all whom tmay concern: l

HENRY Gnrsnormof Y. 1 Cleveland, county of Cuyahoga, State of Ohio,

v railway-rails.

' and without'the use of a flux.

14will .not be a welding steel to' steel, or

,.STATEsP-ATENT QFFIGE frisser onIs'HoLM, v,or .,otnv rimNn,D oHIo.

Speeiiicstifon forming-partei Letters Pate'ntfNoflh'i'lG, dated February 27,1872 ;'4 reissue No. 6,484, 4dated' yBei it' known that I,

have invented slew and Improved Method of,- and Rolls for, Utilizing Wornand Crop Ends and other parts 'of Steel and Iron Railway.v Rails-,fand I do hereby-.declare the following. to besuch a full, clear, and exact description thereof as will enable others skilled inthe art to which my invention relates-to make and use.

it, reference being had to the accompanying drawings which form a part ofmy specificatlon. Y My invention relates, -irst, to a new method of ymanufacture, whereby old steel rails, or the fag' or the butt ends of steel rails, are formed into bars or rods of a di'erentshape in cross- 'sectiom and of uniform and homogeneous texture; second, to a peculiar formation 'or construction of rolls for the purpose of utilizing thebutts, fag-ends, worn out, andv old steel It is well known among those skilled in the art to which my invention pertains' that steel cannot be perfectly welded to time and labor,

It is also well known that pieces of steel cannot be piled alone or with iron, and then be united by welding, hammering, and homogeneous vmass without resorting tov the use of flux and much skill and labor. By piling, lapping, fagoting, or folding pieces of steel together, and without the use of flux, subjecting the same to a welding-heat, and

steel without much expense in afterward subjecting them to a compression,

either by rolling or hammering, the product homogeneous mass, free from aws, but seams will occur throughout the entire structure, because of the diiculty in steel to iron, under suchcondtions, andthe product will therefore be much impaired. Various expedients have been resorted to for the purpose of utilizing the butts or fagends cut oi from steel railway-rails during the process of their manufacture, but the said expediente have proved to be expensive or impracticable when compared to the improvements herein described.A

The object of my invention is to form from the said old rails or fag-ends 'a bar that shall be 'of dierent sectional form, but which shall'.

or rolling into a compact..

the same proportion. through the rolls at a,

dated'November 16, 1875; 'applioationiled October 19, 1875",

be' of uniformand-homogeneous texture, and it is effected by heating jfag-ends, or old rails', and then drawing them' -outin such a. manner as that the outer surface of the'stee1rail,bu`tt: end, or fag-end that is being ,drawn-jout'hshall not be turned in or crimped upon itself in the'.

operation of rolling out.

Inthe drawings, Figure 1 is a'v 0f- .the rolls employedl in carrying out my. imm,...

housing C, in any of the usual modes." On the shaft, at the outer ends, is attached gearing'of any suitable nature, whereby'the said rolls may be turned in the proper direction. 'At a are grooves s o turned out that when placed in.

appositionthey present a form similar to an ordinary railway-rail, though somewhat contracted on the flanges and on the sides of the tread, and slightly elongated. The rail may be rst passed through these grooves, which will slightly change its form without crimping or lappingin of its, external surface. In

making this pass, the piece, or butt, or old rail extended in'length iu is reduced in size 'and After having passed b. being of such al shape as not to turn'rin or crimp .the outer surface upon itself.. It then be passed throughl the grooves c and d, Which'gradually change the sectional form, .but still preserve the integrity of its external surface. It isthen in a condition that it may be passed through grooves e without turning in or' crimping itsexternal surface, the object being to reduce it to a bar or rod which shall .have the same surface that was possessed by the material before it entered the grooves a.; Instead of passing the bar through the grooves e, it may, after it has been reduced to a shape whose external surface is no longer liable to be lapped or crimped upon itself, be passed through grooves f g h, or other like grooves,

wherebyit isfinally formed into a uniform rodl or bar ofthe ldesired cross-section.. Nor is. it

the -said butt..eiids,"

to pre'servefthellsame it may then be entered`l betweenthe rolls at b, for the purposeof co'm- 4 pressing the metal vertically, the saidgrooves may-l absolutely v `.passes through the rolls should be -ojbse'wed as i herein specified, as jsusceptible of various changes, and the order of the 'grooves in the rolls may be modified at pleasure.

essential thatlthe same .order of the order of the series is By the'operation above. described it will .be seen. `that vin no instance is the bar caused to lap or crimp uponitself so as to 'require a, welding together of tw'o surfaces or different parts of the same surface, the `result being a rod o'r-barof steel of a uniform and homogeneous texture free from? ilaws orsealns.

V Itis evident that lthe shape of the groovesv lis ln'rtlimited to theexact for-ins shown in the drawings, but and",r substantially similar forms of 'grooveswillanswer the purpose that will grad ually'reduce the rail, butt-ends, 85o., from its original irregular shape to a uniforrn bar` or rod without causing the outer surface tov fold oif-lapu'pon itself duringfthe operation. I

. -`find, however, the form here shown to be pr.

. *Wham claims- 1. The ,-rolls'A and B, provided with the series of grooves, constructed substantially as f described, vto gradually alter the sectional form of a railroad-ral, or fagf end, Stel, without crimping or lapping its external surface, sub' stantially' as and for the purposedescribed.

2. The rolls A B, having a series of rr'egu- `.larshaped and graduated grooves of the form or construction shown at a o d, operating conjointly as and for the purpose substantallyas described. f

3.' The manufacture of bars or rods of steel homogeneous in texture,from old rails, butts,

or fag-ends by a process or methodY substantially such as' that hereinbefore described-#that is to say, rerolling said old rails, butt-s, o rfaggg4 ends,'by means of rollers having v,f grooves so "constructed that the body of the rail, butt, or

fag-end shall, by this operation upon it, be

gradually contracted tranvers'elyiand'jncreasingly extended longitudinally without violenty rupture and without plication of the surface. y

. In witness whereof I have hereunto set my hand in presence of two subscribing witnesses. HENRY OHISHOLM. Witnesses:

. S. C. BALDWIN,

En. S. PAGE.

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