USRE9619E - kingsland - Google Patents

Description

C. KINGSLAND, deod. E J. KIRGBLAND, admmistratrix, T. G. PERRINE, assignor, by inesne assignment.

Method ofConstruoting' Gar Wheel. NO. 9,619.

Reissued Mafch 22,1881.

UNITED STATES PATENT OFFICE.

THOMAS C. PERRINE, MANSFIELD, PENNSYLVANIA, ASSIGNEE, BY MESNE ASSIGNMENTS, OF CORNELIUS KINGSLAND AND ELIZA J. KINGSLAND, ADMINISTRATRIX OF SAID CORNELIUS KINGSLAND, DECEASED.

SPECIFICATION forming part of Reissued Letters Patent No. 9,619, dated March 22, 1881.

Original N0, 72, 405, dated December 17, 1867. Application for reissue filed February 23, 1881.

To all whom it may concern: which are provided with teeth similar to the Be it known that CORNELIUS KINGSLAND, teeth of a file, and are made hard and then 55 deceased, late of McKeesport, in the county of driven into the dovetail recesses. The re- Allegheny, State of Pennsylvania, invented a cesses may also be filledwith hard metal melted 5 new and useful Method of Constructing Carand poured into them until the metals become Wheels; and I do hereby declare that the folwelded together. This part of the invention lowing is a full, clear, and exact description of is not limited to these two methods of filling 60 the same, reference being had to the accompathe recesses, nor to any particular number and nying drawings by letters of reference marked form of recesses. thereon. The advantages of this invention consist in In casting car-wheels in chills, for the purrelieving the wheel from undue strain in coolpose of hardening the tread of the wheel, the ing after being cast, and from undue strain 6 periphery of the wheel cools first, and in 0001- caused by change of temperature or by the in g contracts. The effect of the chill is to renaction of the wheels on the rails; also, in the I 5 der the periphery more dense and brittle, so ability to cast and cool off the wheels safely that the whole wheel cools on a strain, and is without the use of cooling-pits; also, in the liable to crack. In addition to this the chill increased strength anddurability of the wheels, 70 makes the outer part of the flange scant and and in saving of stock in casting. imperfect. What I claim as the invention of the said The invention of ConNELIUs KINGSLAND GoRNELIUs KINGSLAND isconsists, first, in casting the wheel upon a chill 1. The method of making car-wheels which having a number of cores extending laterally consists in casting the wheel in a chill having 7 5 to form lateral recesses in the tread of the inwardly-projecting cores to form lateral rewheel, and, after the wheel is cast, filling said cesses in the tread, and then filling said rerecesses with a suitable metallic filling 5 second, cesses with a suitable metallic filling, substanin casting the outer part of the flange of a cartially as and for the purposes set forth. wheel upon the sand while the tread is cast 2. The method of making car-wheels which upon the chill; third, in a chill adapted for consists of casting the tread against a metalthese purposes; and, fourth, a car-wheel prolie chill and the outer part of the flange upon 0 duced thereby. sand, substantially as and for the purposes set To enable others skilled in the art to make forth.

and use this invention, it will now be described 3. A car-wheel chill having lateral recesses 8 5 by reference to the accompanying drawings, in in its inner face for containing inwardly-prowhichjecting cores for forming corresponding re- 3 5 Figure 1 is a side view of the wheel. Fig. 2' cesses in the tread of the wheel, substantially is an edge view of the same. Fig. 3 is a top as and for the purposes set forth. view of the chill, and Fig. 4 is a transverse 4. Acar-wheel chill having the portionwhich section of the carwheel and chill on the, line comes under the outer part of the flange of the w a: of Figs. 1 and 3. wheel recessed or cut away, so that in molding 4o The chill A and wheel B are of any of the and casting the outer part of the flange shall known forms; butaportion of the chill A, unrest upon the sand, substantially as and for der the flange X of the wheel, is cut away or the purposes set forth. 5 recessed," as at 0, so that in molding and cast- 5. A cast-iron car-wheel having a chilled ing the wheel the outer part of the flange X tread and the outer part of the flange unchilled,

4 5 will rest upon the sand. This limits the efl'ect substantially as andfor the purposes set forth. of the chill, and will cause the flange of the In testimony whereof I have hereunto set wheel to have a full and perfect edge. my hand.

The chill is provided with a number of lat- THOMAS C. PERRINE, eral recesses, 0, on its inner face, in which are Witnesses: Assignee. o placed cores, which form lateral dovetail re- 0. L. PARKER,

cesses 'i in the edge of the wheel B. These T. B. KERR,

recesses are filled with suitable pieces of steel, J A. MCKEAN.

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