US1176798A - Process for constructing car-wheels. - Google Patents

Process for constructing car-wheels. Download PDF

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Publication number
US1176798A
US1176798A US63837611A US1911638376A US1176798A US 1176798 A US1176798 A US 1176798A US 63837611 A US63837611 A US 63837611A US 1911638376 A US1911638376 A US 1911638376A US 1176798 A US1176798 A US 1176798A
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United States
Prior art keywords
rim
wheels
web
car
wheel
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Expired - Lifetime
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US63837611A
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Frank D Ward
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Frank D Ward
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Priority to US63837611A priority Critical patent/US1176798A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/021Railroad wheels on axles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49481Wheel making
    • Y10T29/49483Railway or trolley wheel making
    • Y10T29/49485Multiple part or composite
    • Y10T29/49487Multiple part or composite with axle or hub

Description

F. D. WARD.
PROCESS FOR CONSTRUCTING CAR WHEELS.
APPLICATION FILED JULY 13, 1911.
Patented Mar. 28, 1916.
l/Vl/E/VTOR j Tic-.2.
WITNESSES.
THE COLUMBIA PLANQGRAPH c0" WASHINGTON, n. c.
FRANKD. WARD, OF NEW YORK, N. Y.
PROCESS FOR CONSTRUCTING CARWHEELS.
- Specification of Letters Patent.
Patented Mar. 28, 1916.
Application filed July 13, 1911. Serial No. 638,376.
To all whom it may concern:
Be it known that I, FRANK D. WAnD, a citizen of the United States, and a resldent of the city of New York, borough of Man hattan, county and State of New York, have invented certain new and useful Improve-- ments in Processes for Constructing Car- VVheels, of which the following is a full, clear, and exact description.
This invention relates to car wheels or like articles of cast steel, and has for its object the forming of such articles, accord ing to which the web and hub are produced in a manner which permits them to retain the natural properties of the metal, after which the rim as a separate casting is rolled thereon and compressed to any degree of hardness desired. This and other objects will appear fully hereinafter and be particularly pointed out in the claim.
The process of treating the metal is preferably in accordance with that described in 'my application filed July 13, 1911, Serial No. 638,377, while the machine used for rolling and compressing the rim on the spider is preferably similar to that which forms the subject matter of my application, filed June 22nd, 1911, Serial No. 634,757.
Reference is to be had to the accompanying drawings, which represent, merely as an example, a car wheel formed in accordance with the invention, and in which drawmgs- 7 Figure 1 is a side elevation of the wheel, and Fig. 2 is a vertical section on the line 2-2 of Fig. 1.
The web 1 and hub 2 together constituting the wheel-center are cast of steel or any other suitable metal. The mold is preferably of such a form as to give to the periphery of the web the peculiar cross sectional shape shown best in Fig. 2 and having the scallops or recesses 3 extending around the circumference, as indicated by dotted lines in Fig. 1. The purpose of this form of casting is to prevent the rim from creeping on the web, as might be expected from the driving strains when. the wheel is in use.
Copies of this patent may vbe obtained for The web is treated in accordance with the process as outlined in the application above mentioned, except that its periphery is not subjected to the rolling operation, as will appear hereinafter.
The rim 4: is cast in a suitable mold and after being removed from the soaking pit while still hot and plastic is placed in positlon encircling the periphery of the web 1, the wheel center having previously been placed in position on the rolling machine described in the application hereinbefore referred to.
The rolling operation is carried on while the rim is hot and results in the compression of the rim and the forcing of the rim metal into the scallops 3, whereby a perfect and secure union between the rim and web is effected.
As pointed out in my co-pending application Serial No. 638,377 the rolling of the rim also hardens and compresses the metal of the rim.
The tempering of'the wheel as described in my process application before referred to, is thenproceeded with.
Having thus described my invention what I claim as new and desire to secure by Letters Patent is:
The process of forming car wheels which consists in forming a rigid wheel center having a series of spaced recesses on its periphery, forming the rim or tread separately and applying the same to the wheel center while the rim is yet hot and plastic and rolling or compressing the rim on the wheel center whereby to simultaneously force portions of the rim into the recesses, secure it in place and harden and toughen the texture of the metal forming the rim.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
FRANK D. WARD.
five cents each, by addressing the Commissioner of Patents, Washington, D. C.
US63837611A 1911-07-13 1911-07-13 Process for constructing car-wheels. Expired - Lifetime US1176798A (en)

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US63837611A US1176798A (en) 1911-07-13 1911-07-13 Process for constructing car-wheels.

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US63837611A US1176798A (en) 1911-07-13 1911-07-13 Process for constructing car-wheels.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650853A (en) * 1950-11-21 1953-09-01 American Locomotive Co Railway car wheel
DE3544952A1 (en) * 1985-12-19 1986-09-25 Erich 7080 Aalen Ranger Fastening of the wheel tyre to an elastic light-wheel set

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650853A (en) * 1950-11-21 1953-09-01 American Locomotive Co Railway car wheel
DE3544952A1 (en) * 1985-12-19 1986-09-25 Erich 7080 Aalen Ranger Fastening of the wheel tyre to an elastic light-wheel set

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